[med-svn] [python-pysam] 01/02: package builds but I dont understand whats happening in the rule dh_auto_test

Jorge Soares jssoares-guest at moszumanska.debian.org
Thu Nov 27 17:06:10 UTC 2014


This is an automated email from the git hooks/post-receive script.

jssoares-guest pushed a commit to branch master
in repository python-pysam.

commit 1f2a97521a766e649c5721c2a21f1895c2de61af
Author: Jorge Soares <j.s.soares at gmail.com>
Date:   Thu Nov 27 16:54:29 2014 +0000

    package builds but I dont understand whats happening in the rule dh_auto_test
---
 debian/control                                     |     8 +-
 debian/patches/adding-include-hts-dirs             |    11 +
 .../change-htslib-statement-to-link-to-debian      |    25 +
 ...e-htslib-statement-in-setuppy-to-link-to-debian |    12 +
 debian/patches/do_not_use_distribute_setup.patch   |    17 -
 ..._use_distribute_setup_python2_and_python3.patch |    12 -
 debian/patches/fix_cleanup_tests.patch             |    19 -
 .../import-setuptools-at-the-beginning.patch       |    19 -
 debian/patches/offline-tests.patch                 |  1824 --
 debian/patches/series                              |     3 +-
 debian/patches/use_external_htslib.patch           |    23 -
 debian/rules                                       |    36 +-
 pysam.egg-info/PKG-INFO                            |    16 -
 pysam.egg-info/SOURCES.txt                         |   204 -
 pysam.egg-info/dependency_links.txt                |     1 -
 pysam.egg-info/not-zip-safe                        |     1 -
 pysam.egg-info/top_level.txt                       |     1 -
 pysam/TabProxies.c                                 | 14076 ---------
 pysam/cfaidx.c                                     |  8717 ------
 pysam/chtslib.c                                    |  3162 --
 pysam/csamfile.c                                   |  2876 --
 pysam/csamtools.c                                  |  6962 -----
 pysam/ctabix.c                                     | 15462 ----------
 pysam/cvcf.c                                       | 30127 -------------------
 24 files changed, 73 insertions(+), 83541 deletions(-)

diff --git a/debian/control b/debian/control
index c06da2e..a8cadb6 100644
--- a/debian/control
+++ b/debian/control
@@ -6,15 +6,15 @@ Section: python
 XS-Testsuite: autopkgtest
 Priority: optional
 Build-Depends: debhelper (>= 9),
+               samtools (>= 0.1.19),
+               libhts-dev,
+	       zlib1g-dev,
 	       python-all-dev,
 	       python-setuptools,
 	       cython,
 	       python3-all-dev,
 	       python3-setuptools,
-	       cython3,
-               zlib1g-dev,
-               samtools (>= 0.1.19),
-               libhts-dev
+	       cython3
 Standards-Version: 3.9.6
 Vcs-Browser: http://anonscm.debian.org/gitweb/?p=debian-med/python-pysam.git
 Vcs-Git: git://anonscm.debian.org/debian-med/python-pysam.git
diff --git a/debian/patches/adding-include-hts-dirs b/debian/patches/adding-include-hts-dirs
new file mode 100644
index 0000000..ff5dd49
--- /dev/null
+++ b/debian/patches/adding-include-hts-dirs
@@ -0,0 +1,11 @@
+Description: Added the include dirs
+--- a/setup.py
++++ b/setup.py
+@@ -92,6 +92,7 @@
+     chtslib_sources = []
+     shared_htslib_sources = htslib_sources
+     htslib_library_dirs = HTSLIB_LIBRARY_DIR
++    htslib_include_dirs = [HTSLIB_INCLUDE_DIR]
+     htslib_libraries = ['hts']
+ else:
+     raise ValueError("unknown HTSLIB value '%s'" % HTSLIB_MODE)
diff --git a/debian/patches/change-htslib-statement-to-link-to-debian b/debian/patches/change-htslib-statement-to-link-to-debian
new file mode 100644
index 0000000..bd77a16
--- /dev/null
+++ b/debian/patches/change-htslib-statement-to-link-to-debian
@@ -0,0 +1,25 @@
+Description: Trying to bind to debian htslib
+--- a/setup.py
++++ b/setup.py
+@@ -30,7 +30,7 @@
+ #         pysam.
+ # external: use shared libhts.so compiled outside of
+ #           pysam
+-HTSLIB_MODE = "separate"
++HTSLIB_MODE = "external"
+ HTSLIB_LIBRARY_DIR = os.environ.get('HTSLIB_LIBRARY_DIR', None)
+ HTSLIB_INCLUDE_DIR = os.environ.get('HTSLIB_INCLUDE_DIR', None)
+ 
+@@ -87,6 +87,12 @@
+     htslib_library_dirs = ['pysam']
+     htslib_include_dirs = ['htslib']
+     htslib_libraries = ['chtslib']
++elif HTSLIB_MODE == 'external':
++    htslib_sources = []
++    chtslib_sources = []
++    shared_htslib_sources = htslib_sources
++    htslib_library_dirs = HTSLIB_LIBRARY_DIR
++    htslib_libraries = ['hts']
+ else:
+     raise ValueError("unknown HTSLIB value '%s'" % HTSLIB_MODE)
+ 
diff --git a/debian/patches/chenge-htslib-statement-in-setuppy-to-link-to-debian b/debian/patches/chenge-htslib-statement-in-setuppy-to-link-to-debian
new file mode 100644
index 0000000..491924b
--- /dev/null
+++ b/debian/patches/chenge-htslib-statement-in-setuppy-to-link-to-debian
@@ -0,0 +1,12 @@
+Description: Tries to link against debian htslib
+--- a/setup.py
++++ b/setup.py
+@@ -30,7 +30,7 @@
+ #         pysam.
+ # external: use shared libhts.so compiled outside of
+ #           pysam
+-HTSLIB_MODE = "separate"
++HTSLIB_MODE = "shared"
+ HTSLIB_LIBRARY_DIR = os.environ.get('HTSLIB_LIBRARY_DIR', None)
+ HTSLIB_INCLUDE_DIR = os.environ.get('HTSLIB_INCLUDE_DIR', None)
+ 
diff --git a/debian/patches/do_not_use_distribute_setup.patch b/debian/patches/do_not_use_distribute_setup.patch
deleted file mode 100644
index 7506fe2..0000000
--- a/debian/patches/do_not_use_distribute_setup.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-Author: Olivier Sallou <olivier.sallou at irisa.fr>
-Last-Updated: Fri, 07 Feb 2014 18:29:40 +0100
-Description: Prevent downloading distribute_setup
-
---- a/setup.py
-+++ b/setup.py
-@@ -205,8 +205,8 @@ if len(sys.argv) == 2 and sys.argv[1] ==
- try:
-     from setuptools import Extension, setup
- except ImportError:
--    from ez_setup import use_setuptools
--    use_setuptools()
-+    #from ez_setup import use_setuptools
-+    #use_setuptools()
-     from setuptools import Extension, setup
- 
- #######################################################
diff --git a/debian/patches/do_not_use_distribute_setup_python2_and_python3.patch b/debian/patches/do_not_use_distribute_setup_python2_and_python3.patch
deleted file mode 100644
index 5bc456b..0000000
--- a/debian/patches/do_not_use_distribute_setup_python2_and_python3.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-Description: Removing the call to setuptools
---- a/setup.py
-+++ b/setup.py
-@@ -214,7 +214,7 @@
- # cp samtools/*.h pysam/*.h pysam/include
- # cp samtools/win32/*.h pysam/include/win32
- 
--from setuptools import Extension, setup
-+#from setuptools import Extension, setup
- 
- #######################################################
- #######################################################
diff --git a/debian/patches/fix_cleanup_tests.patch b/debian/patches/fix_cleanup_tests.patch
deleted file mode 100644
index 852dd09..0000000
--- a/debian/patches/fix_cleanup_tests.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-Author: Andreas Tille <tille at debian.org>
-Last-Changed: Mon, 10 Feb 2014 11:29:40 +0100
-Description: Prevent tests makefile from deleting files which
- are contained inside the upstream source
-
---- a/tests/Makefile
-+++ b/tests/Makefile
-@@ -47,6 +47,11 @@
- 	samtools view -bS $< > $@
- 
- clean:
-+	mkdir keep_bam_files
-+	mv ex9_fail.bam ex9_nofail.bam example_btag.bam example_empty_header.bam issue100.bam tag_bug.bam test_unaligned.bam keep_bam_files
- 	rm -fr *.bam *.bai *.fai *.pileup* \
- 		*~ calDepth *.dSYM pysam_*.sam \
- 	ex2.sam ex2.sam.gz ex1.sam
-+	mv keep_bam_files/* .
-+	rmdir keep_bam_files
-+	rm -rf pysam_test_work/
diff --git a/debian/patches/import-setuptools-at-the-beginning.patch b/debian/patches/import-setuptools-at-the-beginning.patch
deleted file mode 100644
index 3f285ea..0000000
--- a/debian/patches/import-setuptools-at-the-beginning.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-Description: CHanged location of setuptools import--- a/setup.py
-+++ b/setup.py
-@@ -14,6 +14,7 @@
- import re
- import fnmatch
- import platform
-+from setuptools import Extension, setup
- 
- name = "pysam"
- 
-@@ -214,7 +215,7 @@
- # cp samtools/*.h pysam/*.h pysam/include
- # cp samtools/win32/*.h pysam/include/win32
- 
--from setuptools import Extension, setup
-+
- 
- #######################################################
- #######################################################
diff --git a/debian/patches/offline-tests.patch b/debian/patches/offline-tests.patch
deleted file mode 100644
index 022dd10..0000000
--- a/debian/patches/offline-tests.patch
+++ /dev/null
@@ -1,1824 +0,0 @@
-Author: Andreas Tille <tille at debian.org>
-Last-Changed: Mon, 10 Feb 2014 11:29:40 +0100
-Description: Create a copy of the test suite script and remove those
- tests that try to fetch files from network
-
---- /dev/null
-+++ b/tests/pysam_test_offline.py
-@@ -0,0 +1,1816 @@
-+#!/usr/bin/env python
-+'''unit testing code for pysam.
-+
-+Execute in the :file:`tests` directory as it requires the Makefile
-+and data files located there.
-+'''
-+
-+import pysam
-+import unittest
-+import os, re, sys
-+import itertools
-+import collections
-+import subprocess
-+import shutil
-+import logging
-+
-+IS_PYTHON3 = sys.version_info[0] >= 3
-+
-+if IS_PYTHON3:
-+    from itertools import zip_longest
-+else:
-+    from itertools import izip as zip_longest
-+
-+
-+SAMTOOLS="samtools"
-+WORKDIR="pysam_test_work"
-+
-+def checkBinaryEqual( filename1, filename2 ):
-+    '''return true if the two files are binary equal.'''
-+    if os.path.getsize( filename1 ) !=  os.path.getsize( filename2 ):
-+        return False
-+
-+    infile1 = open(filename1, "rb")
-+    infile2 = open(filename2, "rb")
-+
-+    def chariter( infile ):
-+        while 1:
-+            c = infile.read(1)
-+            if c == b"": break
-+            yield c
-+
-+    found = False
-+    for c1,c2 in zip_longest( chariter( infile1), chariter( infile2) ):
-+        if c1 != c2: break
-+    else:
-+        found = True
-+
-+    infile1.close()
-+    infile2.close()
-+    return found
-+
-+def runSamtools( cmd ):
-+    '''run a samtools command'''
-+
-+    try:
-+        retcode = subprocess.call(cmd, shell=True,
-+                                  stderr = subprocess.PIPE)
-+        if retcode < 0:
-+            print("Child was terminated by signal", -retcode)
-+    except OSError as e:
-+        print("Execution failed:", e)
-+
-+def getSamtoolsVersion():
-+    '''return samtools version'''
-+
-+    with subprocess.Popen(SAMTOOLS, shell=True, stderr=subprocess.PIPE).stderr as pipe:
-+        lines = b"".join(pipe.readlines())
-+
-+    if IS_PYTHON3:
-+        lines = lines.decode('ascii')
-+    return re.search( "Version:\s+(\S+)", lines).groups()[0]
-+
-+class BinaryTest(unittest.TestCase):
-+    '''test samtools command line commands and compare
-+    against pysam commands.
-+
-+    Tests fail, if the output is not binary identical.
-+    '''
-+
-+    first_time = True
-+
-+    # a dictionary of commands to test
-+    # first entry: (samtools output file, samtools command)
-+    # second entry: (pysam output file, (pysam function, pysam options) )
-+    commands = \
-+        { 
-+          "view" :
-+              (
-+                ("ex1.view", "view ex1.bam > ex1.view"),
-+                ("pysam_ex1.view", (pysam.view, "ex1.bam" ) ),
-+                ),
-+          "view2" :
-+              (
-+                ("ex1.view", "view -bT ex1.fa -o ex1.view2 ex1.sam"),
-+                # note that -o ex1.view2 throws exception.
-+                ("pysam_ex1.view", (pysam.view, "-bT ex1.fa -oex1.view2 ex1.sam" ) ),
-+                ),
-+          "sort" :
-+              (
-+                ( "ex1.sort.bam", "sort ex1.bam ex1.sort" ),
-+                ( "pysam_ex1.sort.bam", (pysam.sort, "ex1.bam pysam_ex1.sort" ) ),
-+                ),
-+          "mpileup" :
-+              (
-+                ("ex1.pileup", "mpileup ex1.bam > ex1.pileup" ),
-+                ("pysam_ex1.mpileup", (pysam.mpileup, "ex1.bam" ) ),
-+                ),
-+          "depth" :
-+              (
-+                ("ex1.depth", "depth ex1.bam > ex1.depth" ),
-+                ("pysam_ex1.depth", (pysam.depth, "ex1.bam" ) ),
-+                ),
-+          "faidx" : 
-+              ( 
-+                ("ex1.fa.fai", "faidx ex1.fa"), 
-+                ("pysam_ex1.fa.fai", (pysam.faidx, "ex1.fa") ),
-+                ),
-+          "index":
-+              (
-+                ("ex1.bam.bai", "index ex1.bam" ),
-+                ("pysam_ex1.bam.bai", (pysam.index, "pysam_ex1.bam" ) ),
-+                ),
-+          "idxstats" :
-+              ( 
-+                ("ex1.idxstats", "idxstats ex1.bam > ex1.idxstats" ),
-+                ("pysam_ex1.idxstats", (pysam.idxstats, "pysam_ex1.bam" ) ),
-+                ),
-+          "fixmate" :
-+              (
-+                ("ex1.fixmate", "fixmate ex1.bam ex1.fixmate" ),
-+                ("pysam_ex1.fixmate", (pysam.fixmate, "pysam_ex1.bam pysam_ex1.fixmate") ),
-+                ),
-+          "flagstat" :
-+              (
-+                ("ex1.flagstat", "flagstat ex1.bam > ex1.flagstat" ),
-+                ("pysam_ex1.flagstat", (pysam.flagstat, "pysam_ex1.bam") ),
-+                ),
-+          "calmd" :
-+              (
-+                ("ex1.calmd", "calmd ex1.bam ex1.fa > ex1.calmd" ),
-+                ("pysam_ex1.calmd", (pysam.calmd, "pysam_ex1.bam ex1.fa") ),
-+                ),
-+          "merge" :
-+              (
-+                ("ex1.merge", "merge -f ex1.merge ex1.bam ex1.bam" ),
-+                # -f option does not work - following command will cause the subsequent
-+                # command to fail
-+                ("pysam_ex1.merge", (pysam.merge, "pysam_ex1.merge pysam_ex1.bam pysam_ex1.bam") ),
-+                ),
-+          "rmdup" :
-+              (
-+                ("ex1.rmdup", "rmdup ex1.bam ex1.rmdup" ),
-+                ("pysam_ex1.rmdup", (pysam.rmdup, "pysam_ex1.bam pysam_ex1.rmdup" )),
-+                ),
-+          "reheader" :
-+              (
-+                ( "ex1.reheader", "reheader ex1.bam ex1.bam > ex1.reheader"),
-+                ( "pysam_ex1.reheader", (pysam.reheader, "ex1.bam ex1.bam" ) ),
-+                ),
-+          "cat":
-+              (
-+                ( "ex1.cat", "cat ex1.bam ex1.bam > ex1.cat"),
-+                ( "pysam_ex1.cat", (pysam.cat, "ex1.bam ex1.bam" ) ),
-+                ),
-+          "targetcut":
-+              (
-+                ("ex1.targetcut", "targetcut ex1.bam > ex1.targetcut" ),
-+                ("pysam_ex1.targetcut", (pysam.targetcut, "pysam_ex1.bam") ),
-+                ),
-+          "phase":
-+              (
-+                ("ex1.phase", "phase ex1.bam > ex1.phase" ),
-+                ("pysam_ex1.phase", (pysam.phase, "pysam_ex1.bam") ),
-+                ),
-+          "import" :
-+              (
-+                ("ex1.bam", "import ex1.fa.fai ex1.sam.gz ex1.bam" ),
-+                ("pysam_ex1.bam", (pysam.samimport, "ex1.fa.fai ex1.sam.gz pysam_ex1.bam") ),
-+                ),
-+          "bam2fq":
-+              (
-+                ("ex1.bam2fq", "bam2fq ex1.bam > ex1.bam2fq" ),
-+                ("pysam_ex1.bam2fq", (pysam.bam2fq, "pysam_ex1.bam") ),
-+                ),
-+          "pad2unpad":
-+              (
-+                ("ex2.unpad", "pad2unpad -T ex1.fa ex2.bam > ex2.unpad" ),
-+                ("pysam_ex2.unpad", (pysam.pad2unpad, "-T ex1.fa ex2.bam") ),
-+                ),
-+          "bamshuf":
-+              (
-+                ("ex1.bamshuf.bam", "bamshuf ex1.bam ex1.bamshuf" ),
-+                ("pysam_ex1.bamshuf.bam", (pysam.bamshuf, "ex1.bam pysam_ex1.bamshuf") ),
-+                ),
-+          "bedcov":
-+              (
-+                ("ex1.bedcov", "bedcov ex1.bed ex1.bam > ex1.bedcov" ),
-+                ("pysam_ex1.bedcov", (pysam.bedcov, "ex1.bed ex1.bam") ),
-+                ),
-+        }
-+
-+    # some tests depend on others. The order specifies in which order
-+    # the samtools commands are executed.
-+    # The first three (faidx, import, index) need to be in that order, 
-+    # the rest is arbitrary.
-+    order = ('faidx', 'import', 'index', 
-+             # 'pileup1', 'pileup2', deprecated
-+             # 'glfview', deprecated
-+             'view', 'view2',
-+             'sort',
-+             'mpileup',
-+             'depth',
-+             'idxstats',
-+             'fixmate',
-+             'flagstat',
-+              ## 'calmd',
-+             'merge',
-+             'rmdup',
-+             'reheader',
-+             'cat',
-+             'bedcov',
-+             'targetcut',
-+             'phase',
-+             'bamshuf',
-+             'bam2fq',
-+              'pad2unpad',
-+              )
-+
-+    def setUp( self ):
-+        '''setup tests. 
-+
-+        For setup, all commands will be run before the first test is
-+        executed. Individual tests will then just compare the output
-+        files.
-+        '''
-+        if BinaryTest.first_time:
-+
-+            # remove previous files
-+            if os.path.exists( WORKDIR ):
-+                shutil.rmtree( WORKDIR )
-+                pass
-+
-+            # copy the source files to WORKDIR
-+            os.makedirs( WORKDIR )
-+
-+            shutil.copy( "ex1.fa", os.path.join( WORKDIR, "pysam_ex1.fa" ) )
-+            shutil.copy( "ex1.fa", os.path.join( WORKDIR, "ex1.fa" ) )
-+            shutil.copy( "ex1.sam.gz", os.path.join( WORKDIR, "ex1.sam.gz" ) )
-+            shutil.copy( "ex1.sam", os.path.join( WORKDIR, "ex1.sam" ) )
-+            shutil.copy( "ex2.bam", os.path.join( WORKDIR, "ex2.bam" ) )
-+
-+            # cd to workdir
-+            savedir = os.getcwd()
-+            os.chdir( WORKDIR )
-+            
-+            for label in self.order:
-+                # print ("command=", label)
-+                command = self.commands[label]
-+                # build samtools command and target and run
-+                samtools_target, samtools_command = command[0]
-+                runSamtools( " ".join( (SAMTOOLS, samtools_command )))
-+
-+                # get pysam command and run
-+                try:
-+                    pysam_target, pysam_command = command[1]
-+                except ValueError as msg:
-+                    raise ValueError( "error while setting up %s=%s: %s" %\
-+                                          (label, command, msg) )
-+
-+                pysam_method, pysam_options = pysam_command
-+                try:
-+                    output = pysam_method( *pysam_options.split(" "), raw=True)
-+                except pysam.SamtoolsError as msg:
-+                    raise pysam.SamtoolsError( "error while executing %s: options=%s: msg=%s" %\
-+                                                   (label, pysam_options, msg) )
-+
-+                
-+                if ">" in samtools_command:
-+                    with open( pysam_target, "wb" ) as outfile:
-+                        if type(output) == list:
-+                            if IS_PYTHON3:
-+                                for line in output: 
-+                                    outfile.write( line.encode('ascii') )
-+                            else:
-+                                for line in output: outfile.write( line )
-+                        else:
-+                            outfile.write(output)
-+
-+            os.chdir( savedir )
-+            BinaryTest.first_time = False
-+
-+        samtools_version = getSamtoolsVersion()
-+
-+        
-+        def _r( s ):
-+            # patch - remove any of the alpha/beta suffixes, i.e., 0.1.12a -> 0.1.12
-+            if s.count('-') > 0: s = s[0:s.find('-')]
-+            return re.sub( "[^0-9.]", "", s )
-+
-+        if _r(samtools_version) != _r( pysam.__samtools_version__):
-+            raise ValueError("versions of pysam/samtools and samtools differ: %s != %s" % \
-+                                 (pysam.__samtools_version__,
-+                                  samtools_version ))
-+
-+    def checkCommand( self, command ):
-+        if command:
-+            samtools_target, pysam_target = self.commands[command][0][0], self.commands[command][1][0]
-+            samtools_target = os.path.join( WORKDIR, samtools_target )
-+            pysam_target = os.path.join( WORKDIR, pysam_target )
-+            self.assertTrue( checkBinaryEqual( samtools_target, pysam_target ), 
-+                             "%s failed: files %s and %s are not the same" % (command, samtools_target, pysam_target) )
-+            
-+    def testImport( self ):
-+        self.checkCommand( "import" )
-+
-+    def testIndex( self ):
-+        self.checkCommand( "index" )
-+
-+    def testSort( self ):
-+        self.checkCommand( "sort" )
-+
-+    def testMpileup( self ):
-+        self.checkCommand( "mpileup" )
-+
-+    def testDepth( self ):
-+        self.checkCommand( "depth" )
-+
-+    def testIdxstats( self ):
-+        self.checkCommand( "idxstats" )
-+
-+    def testFixmate( self ):
-+        self.checkCommand( "fixmate" )
-+
-+    def testFlagstat( self ):
-+        self.checkCommand( "flagstat" )
-+        
-+    def testMerge( self ):
-+        self.checkCommand( "merge" )
-+
-+    def testRmdup( self ):
-+        self.checkCommand( "rmdup" )
-+
-+    def testReheader( self ):
-+        self.checkCommand( "reheader" )
-+
-+    def testCat( self ):
-+        self.checkCommand( "cat" )
-+
-+    def testTargetcut( self ):
-+        self.checkCommand( "targetcut" )
-+
-+    def testPhase( self ):
-+        self.checkCommand( "phase" )
-+
-+    def testBam2fq( self ):
-+        self.checkCommand( "bam2fq" )
-+
-+    def testBedcov( self ):
-+        self.checkCommand( "bedcov" )
-+
-+    def testBamshuf( self ):
-+        self.checkCommand( "bamshuf" )
-+
-+    def testPad2Unpad( self ):
-+        self.checkCommand( "pad2unpad" )
-+
-+    # def testPileup1( self ):
-+    #     self.checkCommand( "pileup1" )
-+    
-+    # def testPileup2( self ):
-+    #     self.checkCommand( "pileup2" )
-+
-+    # deprecated
-+    # def testGLFView( self ):
-+    #     self.checkCommand( "glfview" )
-+
-+    def testView( self ):
-+        self.checkCommand( "view" )
-+
-+    def testEmptyIndex( self ):
-+        self.assertRaises( IOError, pysam.index, "exdoesntexist.bam" )
-+
-+    def __del__(self):
-+        if os.path.exists( WORKDIR ):
-+            pass
-+        # shutil.rmtree( WORKDIR )
-+
-+class IOTest(unittest.TestCase):
-+    '''check if reading samfile and writing a samfile are consistent.'''
-+
-+    def checkEcho( self, input_filename, 
-+                   reference_filename, 
-+                   output_filename, 
-+                   input_mode, output_mode, use_template = True ):
-+        '''iterate through *input_filename* writing to *output_filename* and
-+        comparing the output to *reference_filename*. 
-+        
-+        The files are opened according to the *input_mode* and *output_mode*.
-+
-+        If *use_template* is set, the header is copied from infile using the
-+        template mechanism, otherwise target names and lengths are passed 
-+        explicitely. 
-+
-+        '''
-+
-+        infile = pysam.Samfile( input_filename, input_mode )
-+        if use_template:
-+            outfile = pysam.Samfile( output_filename, output_mode, template = infile )
-+        else:
-+            outfile = pysam.Samfile( output_filename, output_mode, 
-+                                     referencenames = infile.references,
-+                                     referencelengths = infile.lengths,
-+                                     add_sq_text = False )
-+            
-+        iter = infile.fetch()
-+
-+        for x in iter: outfile.write( x )
-+        infile.close()
-+        outfile.close()
-+
-+        self.assertTrue( checkBinaryEqual( reference_filename, output_filename), 
-+                         "files %s and %s are not the same" % (reference_filename, output_filename) )
-+
-+
-+    def testReadWriteBam( self ):
-+        
-+        input_filename = "ex1.bam"
-+        output_filename = "pysam_ex1.bam"
-+        reference_filename = "ex1.bam"
-+
-+        self.checkEcho( input_filename, reference_filename, output_filename,
-+                        "rb", "wb" )
-+
-+    def testReadWriteBamWithTargetNames( self ):
-+        
-+        input_filename = "ex1.bam"
-+        output_filename = "pysam_ex1.bam"
-+        reference_filename = "ex1.bam"
-+
-+        self.checkEcho( input_filename, reference_filename, output_filename,
-+                        "rb", "wb", use_template = False )
-+
-+    def testReadWriteSamWithHeader( self ):
-+        
-+        input_filename = "ex2.sam"
-+        output_filename = "pysam_ex2.sam"
-+        reference_filename = "ex2.sam"
-+
-+        self.checkEcho( input_filename, reference_filename, output_filename,
-+                        "r", "wh" )
-+
-+    def testReadWriteSamWithoutHeader( self ):
-+        
-+        input_filename = "ex2.sam"
-+        output_filename = "pysam_ex2.sam"
-+        reference_filename = "ex1.sam"
-+
-+        self.checkEcho( input_filename, reference_filename, output_filename,
-+                        "r", "w" )
-+
-+    def testReadSamWithoutTargetNames( self ):
-+        '''see issue 104.'''
-+        input_filename = "example_unmapped_reads_no_sq.sam"
-+
-+        # raise exception in default mode
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r" )
-+
-+        # raise exception if no SQ files
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r",
-+                           check_header = True)
-+
-+        infile = pysam.Samfile( input_filename, check_header = False, check_sq = False )
-+        result = list(infile.fetch())
-+
-+    def testReadBamWithoutTargetNames( self ):
-+        '''see issue 104.'''
-+        input_filename = "example_unmapped_reads_no_sq.bam"
-+
-+        # raise exception in default mode
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r" )
-+
-+        # raise exception if no SQ files
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r",
-+                           check_header = True)
-+
-+
-+        infile = pysam.Samfile( input_filename, check_header = False, check_sq = False )
-+        result = list(infile.fetch( until_eof = True))
-+
-+    def testReadSamWithoutHeader( self ):
-+        input_filename = "ex1.sam"
-+        output_filename = "pysam_ex1.sam"
-+        reference_filename = "ex1.sam"
-+
-+        # reading from a samfile without header is not implemented.
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r" )
-+
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r",
-+                           check_header = False )
-+
-+    def testReadUnformattedFile( self ):
-+        '''test reading from a file that is not bam/sam formatted'''
-+        input_filename = "example.vcf40"
-+
-+        # bam - file raise error
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "rb" )
-+
-+        # sam - file error, but can't fetch
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r" )
-+        
-+        self.assertRaises( ValueError, pysam.Samfile, input_filename, "r", 
-+                           check_header = False)
-+
-+    def testBAMWithoutAlignedReads( self ):
-+        '''see issue 117'''
-+        input_filename = "test_unaligned.bam"
-+        samfile = pysam.Samfile( input_filename, "rb", check_sq = False )
-+        samfile.fetch( until_eof = True )
-+
-+    def testBAMWithShortBAI( self ):
-+        '''see issue 116'''
-+        input_filename = "example_bai.bam"
-+        samfile = pysam.Samfile( input_filename, "rb", check_sq = False )
-+        samfile.fetch( 'chr2' )
-+
-+    def testFetchFromClosedFile( self ):
-+
-+        samfile = pysam.Samfile( "ex1.bam", "rb" )
-+        samfile.close()
-+        self.assertRaises( ValueError, samfile.fetch, 'chr1', 100, 120)
-+
-+    def testClosedFile( self ):
-+        '''test that access to a closed samfile raises ValueError.'''
-+
-+        samfile = pysam.Samfile( "ex1.bam", "rb" )
-+        samfile.close()
-+        self.assertRaises( ValueError, samfile.fetch, 'chr1', 100, 120)
-+        self.assertRaises( ValueError, samfile.pileup, 'chr1', 100, 120)
-+        self.assertRaises( ValueError, samfile.getrname, 0 )
-+        self.assertRaises( ValueError, samfile.tell )
-+        self.assertRaises( ValueError, samfile.seek, 0 )
-+        self.assertRaises( ValueError, getattr, samfile, "nreferences" )
-+        self.assertRaises( ValueError, getattr, samfile, "references" )
-+        self.assertRaises( ValueError, getattr, samfile, "lengths" )
-+        self.assertRaises( ValueError, getattr, samfile, "text" )
-+        self.assertRaises( ValueError, getattr, samfile, "header" )
-+
-+        # write on closed file 
-+        self.assertEqual( 0, samfile.write(None) )
-+
-+    def testAutoDetection( self ):
-+        '''test if autodetection works.'''
-+
-+        samfile = pysam.Samfile( "ex3.sam" )
-+        self.assertRaises( ValueError, samfile.fetch, 'chr1' )
-+        samfile.close()
-+
-+        samfile = pysam.Samfile( "ex3.bam" )
-+        samfile.fetch('chr1')
-+        samfile.close()
-+
-+    def testReadingFromSamFileWithoutHeader( self ):
-+        '''read from samfile without header.
-+        '''
-+        samfile = pysam.Samfile( "ex7.sam", check_header = False, check_sq = False )
-+        self.assertRaises( NotImplementedError, samfile.__iter__ )
-+
-+    def testReadingFromFileWithoutIndex( self ):
-+        '''read from bam file without index.'''
-+
-+        assert not os.path.exists( "ex2.bam.bai" )
-+        samfile = pysam.Samfile( "ex2.bam", "rb" )
-+        self.assertRaises( ValueError, samfile.fetch )
-+        self.assertEqual( len(list( samfile.fetch(until_eof = True) )), 3270 )
-+
-+    def testReadingUniversalFileMode( self ):
-+        '''read from samfile without header.
-+        '''
-+
-+        input_filename = "ex2.sam"
-+        output_filename = "pysam_ex2.sam"
-+        reference_filename = "ex1.sam"
-+
-+        self.checkEcho( input_filename, reference_filename, output_filename,
-+                        "rU", "w" )
-+
-+class TestFloatTagBug( unittest.TestCase ):
-+    '''see issue 71'''
-+
-+    def testFloatTagBug( self ): 
-+        '''a float tag before another exposed a parsing bug in bam_aux_get.
-+
-+        Fixed in 0.1.19
-+        '''
-+        samfile = pysam.Samfile("tag_bug.bam")
-+        read = next(samfile.fetch(until_eof=True))
-+        self.assertTrue( ('XC',1) in read.tags )
-+        self.assertEqual(read.opt('XC'), 1)
-+
-+class TestLargeFieldBug( unittest.TestCase ):
-+    '''see issue 100'''
-+
-+    def testLargeFileBug( self ): 
-+        '''when creating a read with a large entry in the tag field
-+        causes an errror:
-+            NotImplementedError: tags field too large
-+        '''
-+        samfile = pysam.Samfile("issue100.bam")
-+        read = next(samfile.fetch(until_eof=True))
-+        new_read = pysam.AlignedRead()
-+        new_read.tags = read.tags
-+        self.assertEqual( new_read.tags, read.tags )
-+
-+class TestTagParsing( unittest.TestCase ):
-+    '''tests checking the accuracy of tag setting and retrieval.'''
-+
-+    def makeRead( self ):
-+        a = pysam.AlignedRead()
-+        a.qname = "read_12345"
-+        a.tid = 0
-+        a.seq="ACGT" * 3
-+        a.flag = 0
-+        a.rname = 0
-+        a.pos = 1
-+        a.mapq = 20
-+        a.cigar = ( (0,10), (2,1), (0,25) )
-+        a.mrnm = 0
-+        a.mpos=200
-+        a.isize = 0
-+        a.qual ="1234" * 3
-+        # todo: create tags
-+        return a
-+
-+    def testNegativeIntegers( self ):
-+        x = -2
-+        aligned_read = self.makeRead()
-+        aligned_read.tags = [("XD", int(x) ) ]
-+        # print (aligned_read.tags)
-+
-+    def testNegativeIntegers2( self ):
-+        x = -2
-+        r = self.makeRead()
-+        r.tags = [("XD", int(x) ) ]
-+        outfile = pysam.Samfile( "test.bam",
-+                                 "wb",
-+                                 referencenames = ("chr1",),
-+                                 referencelengths = (1000,) )
-+        outfile.write (r )
-+        outfile.close()
-+
-+    def testCigarString( self ):
-+        r = self.makeRead()
-+        self.assertEqual( r.cigarstring, "10M1D25M" )
-+        r.cigarstring = "20M10D20M"
-+        self.assertEqual( r.cigar, [(0,20), (2,10), (0,20)])
-+
-+    def testLongTags( self ):
-+        '''see issue 115'''
-+        
-+        r = self.makeRead()
-+        rg = 'HS2000-899_199.L3'
-+        tags = [('XC', 85), ('XT', 'M'), ('NM', 5), ('SM', 29), ('AM', 29), ('XM', 1), ('XO', 1), ('XG', 4), ('MD', '37^ACCC29T18'), ('XA','5,+11707,36M1I48M,2;21,-48119779,46M1I38M,2;hs37d5,-10060835,40M1D45M,3;5,+11508,36M1I48M,3;hs37d5,+6743812,36M1I48M,3;19,-59118894,46M1I38M,3;4,-191044002,6M1I78M,3;')]
-+
-+        r.tags = tags
-+        r.tags += [("RG",rg)] * 100
-+        tags += [("RG",rg)] * 100
-+        
-+        self.assertEqual( tags, r.tags )
-+
-+class TestIteratorRow(unittest.TestCase):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex1.bam","rb" )
-+
-+    def checkRange( self, rnge ):
-+        '''compare results from iterator with those from samtools.'''
-+        ps = list(self.samfile.fetch(region=rnge))
-+        sa = list(pysam.view( "ex1.bam", rnge, raw = True) )
-+        self.assertEqual( len(ps), len(sa), "unequal number of results for range %s: %i != %i" % (rnge, len(ps), len(sa) ))
-+        # check if the same reads are returned and in the same order
-+        for line, (a, b) in enumerate( list(zip( ps, sa )) ):
-+            d = b.split("\t")
-+            self.assertEqual( a.qname, d[0], "line %i: read id mismatch: %s != %s" % (line, a.rname, d[0]) )
-+            self.assertEqual( a.pos, int(d[3])-1, "line %i: read position mismatch: %s != %s, \n%s\n%s\n" % \
-+                                  (line, a.pos, int(d[3])-1,
-+                                   str(a), str(d) ) )
-+            if sys.version_info[0] < 3:
-+                qual = d[10]
-+            else:
-+                qual = d[10].encode('ascii')
-+            self.assertEqual( a.qual, qual, "line %i: quality mismatch: %s != %s, \n%s\n%s\n" % \
-+                                  (line, a.qual, qual,
-+                                   str(a), str(d) ) )
-+
-+    def testIteratePerContig(self):
-+        '''check random access per contig'''
-+        for contig in self.samfile.references:
-+            self.checkRange( contig )
-+
-+    def testIterateRanges(self):
-+        '''check random access per range'''
-+        for contig, length in zip(self.samfile.references, self.samfile.lengths):
-+            for start in range( 1, length, 90):
-+                self.checkRange( "%s:%i-%i" % (contig, start, start + 90) ) # this includes empty ranges
-+
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+
-+class TestIteratorRowAll(unittest.TestCase):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex1.bam","rb" )
-+
-+    def testIterate(self):
-+        '''compare results from iterator with those from samtools.'''
-+        ps = list(self.samfile.fetch())
-+        sa = list(pysam.view( "ex1.bam", raw = True) )
-+        self.assertEqual( len(ps), len(sa), "unequal number of results: %i != %i" % (len(ps), len(sa) ))
-+        # check if the same reads are returned
-+        for line, pair in enumerate( list(zip( ps, sa )) ):
-+            data = pair[1].split("\t")
-+            self.assertEqual( pair[0].qname, data[0], "read id mismatch in line %i: %s != %s" % (line, pair[0].rname, data[0]) )
-+
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+class TestIteratorColumn(unittest.TestCase):
-+    '''test iterator column against contents of ex4.bam.'''
-+    
-+    # note that samfile contains 1-based coordinates
-+    # 1D means deletion with respect to reference sequence
-+    # 
-+    mCoverages = { 'chr1' : [ 0 ] * 20 + [1] * 36 + [0] * (100 - 20 -35 ),
-+                   'chr2' : [ 0 ] * 20 + [1] * 35 + [0] * (100 - 20 -35 ),
-+                   }
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex4.bam","rb" )
-+
-+    def checkRange( self, contig, start = None, end = None, truncate = False ):
-+        '''compare results from iterator with those from samtools.'''
-+        # check if the same reads are returned and in the same order
-+        for column in self.samfile.pileup(contig, start, end, truncate = truncate):
-+            if truncate:
-+                self.assertGreaterEqual( column.pos, start )
-+                self.assertLess( column.pos, end )
-+            thiscov = len(column.pileups)
-+            refcov = self.mCoverages[self.samfile.getrname(column.tid)][column.pos]
-+            self.assertEqual( thiscov, refcov, "wrong coverage at pos %s:%i %i should be %i" % (self.samfile.getrname(column.tid), column.pos, thiscov, refcov))
-+
-+    def testIterateAll(self):
-+        '''check random access per contig'''
-+        self.checkRange( None )
-+
-+    def testIteratePerContig(self):
-+        '''check random access per contig'''
-+        for contig in self.samfile.references:
-+            self.checkRange( contig )
-+
-+    def testIterateRanges(self):
-+        '''check random access per range'''
-+        for contig, length in zip(self.samfile.references, self.samfile.lengths):
-+            for start in range( 1, length, 90):
-+                self.checkRange( contig, start, start + 90 ) # this includes empty ranges
-+
-+    def testInverse( self ):
-+        '''test the inverse, is point-wise pileup accurate.'''
-+        for contig, refseq in list(self.mCoverages.items()):
-+            refcolumns = sum(refseq)
-+            for pos, refcov in enumerate( refseq ):
-+                columns = list(self.samfile.pileup( contig, pos, pos+1) )
-+                if refcov == 0:
-+                    # if no read, no coverage
-+                    self.assertEqual( len(columns), refcov, "wrong number of pileup columns returned for position %s:%i, %i should be %i" %(contig,pos,len(columns), refcov) )
-+                elif refcov == 1:
-+                    # one read, all columns of the read are returned
-+                    self.assertEqual( len(columns), refcolumns, "pileup incomplete at position %i: got %i, expected %i " %\
-+                                          (pos, len(columns), refcolumns))
-+
-+    def testIterateTruncate( self ):
-+        '''check random access per range'''
-+        for contig, length in zip(self.samfile.references, self.samfile.lengths):
-+            for start in range( 1, length, 90):
-+                self.checkRange( contig, start, start + 90, truncate = True ) # this includes empty ranges
-+                
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+class TestIteratorColumn2(unittest.TestCase):
-+    '''test iterator column against contents of ex1.bam.'''
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex1.bam","rb" )
-+
-+    def testStart( self ):
-+        #print self.samfile.fetch().next().pos
-+        #print self.samfile.pileup().next().pos
-+        pass
-+
-+    def testTruncate( self ):
-+        '''see issue 107.'''
-+        # note that ranges in regions start from 1
-+        p = self.samfile.pileup(region='chr1:170:172', truncate=True)
-+        columns = [ x.pos for x in p ]
-+        self.assertEqual( len(columns), 3)
-+        self.assertEqual( columns, [169,170,171] )
-+
-+        p = self.samfile.pileup( 'chr1', 169, 172, truncate=True)
-+        columns = [ x.pos for x in p ]
-+    
-+        self.assertEqual( len(columns), 3)
-+        self.assertEqual( columns, [169,170,171] )
-+
-+class TestAlignedReadFromBam(unittest.TestCase):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex3.bam","rb" )
-+        self.reads=list(self.samfile.fetch())
-+
-+    def testARqname(self):
-+        self.assertEqual( self.reads[0].qname, "read_28833_29006_6945", "read name mismatch in read 1: %s != %s" % (self.reads[0].qname, "read_28833_29006_6945") )
-+        self.assertEqual( self.reads[1].qname, "read_28701_28881_323b", "read name mismatch in read 2: %s != %s" % (self.reads[1].qname, "read_28701_28881_323b") )
-+
-+    def testARflag(self):
-+        self.assertEqual( self.reads[0].flag, 99, "flag mismatch in read 1: %s != %s" % (self.reads[0].flag, 99) )
-+        self.assertEqual( self.reads[1].flag, 147, "flag mismatch in read 2: %s != %s" % (self.reads[1].flag, 147) )
-+
-+    def testARrname(self):
-+        self.assertEqual( self.reads[0].rname, 0, "chromosome/target id mismatch in read 1: %s != %s" % (self.reads[0].rname, 0) )
-+        self.assertEqual( self.reads[1].rname, 1, "chromosome/target id mismatch in read 2: %s != %s" % (self.reads[1].rname, 1) )
-+
-+    def testARpos(self):
-+        self.assertEqual( self.reads[0].pos, 33-1, "mapping position mismatch in read 1: %s != %s" % (self.reads[0].pos, 33-1) )
-+        self.assertEqual( self.reads[1].pos, 88-1, "mapping position mismatch in read 2: %s != %s" % (self.reads[1].pos, 88-1) )
-+
-+    def testARmapq(self):
-+        self.assertEqual( self.reads[0].mapq, 20, "mapping quality mismatch in read 1: %s != %s" % (self.reads[0].mapq, 20) )
-+        self.assertEqual( self.reads[1].mapq, 30, "mapping quality mismatch in read 2: %s != %s" % (self.reads[1].mapq, 30) )
-+
-+    def testARcigar(self):
-+        self.assertEqual( self.reads[0].cigar, [(0, 10), (2, 1), (0, 25)], "read name length mismatch in read 1: %s != %s" % (self.reads[0].cigar, [(0, 10), (2, 1), (0, 25)]) )
-+        self.assertEqual( self.reads[1].cigar, [(0, 35)], "read name length mismatch in read 2: %s != %s" % (self.reads[1].cigar, [(0, 35)]) )
-+
-+    def testARcigarstring(self):
-+        self.assertEqual( self.reads[0].cigarstring, '10M1D25M' )
-+        self.assertEqual( self.reads[1].cigarstring, '35M' )
-+
-+    def testARmrnm(self):
-+        self.assertEqual( self.reads[0].mrnm, 0, "mate reference sequence name mismatch in read 1: %s != %s" % (self.reads[0].mrnm, 0) )
-+        self.assertEqual( self.reads[1].mrnm, 1, "mate reference sequence name mismatch in read 2: %s != %s" % (self.reads[1].mrnm, 1) )
-+        self.assertEqual( self.reads[0].rnext, 0, "mate reference sequence name mismatch in read 1: %s != %s" % (self.reads[0].rnext, 0) )
-+        self.assertEqual( self.reads[1].rnext, 1, "mate reference sequence name mismatch in read 2: %s != %s" % (self.reads[1].rnext, 1) )
-+
-+    def testARmpos(self):
-+        self.assertEqual( self.reads[0].mpos, 200-1, "mate mapping position mismatch in read 1: %s != %s" % (self.reads[0].mpos, 200-1) )
-+        self.assertEqual( self.reads[1].mpos, 500-1, "mate mapping position mismatch in read 2: %s != %s" % (self.reads[1].mpos, 500-1) )
-+        self.assertEqual( self.reads[0].pnext, 200-1, "mate mapping position mismatch in read 1: %s != %s" % (self.reads[0].pnext, 200-1) )
-+        self.assertEqual( self.reads[1].pnext, 500-1, "mate mapping position mismatch in read 2: %s != %s" % (self.reads[1].pnext, 500-1) )
-+
-+    def testARisize(self):
-+        self.assertEqual( self.reads[0].isize, 167, "insert size mismatch in read 1: %s != %s" % (self.reads[0].isize, 167) )
-+        self.assertEqual( self.reads[1].isize, 412, "insert size mismatch in read 2: %s != %s" % (self.reads[1].isize, 412) )
-+        self.assertEqual( self.reads[0].tlen, 167, "insert size mismatch in read 1: %s != %s" % (self.reads[0].tlen, 167) )
-+        self.assertEqual( self.reads[1].tlen, 412, "insert size mismatch in read 2: %s != %s" % (self.reads[1].tlen, 412) )
-+
-+    def testARseq(self):
-+        self.assertEqual( self.reads[0].seq, b"AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG", "sequence mismatch in read 1: %s != %s" % (self.reads[0].seq, b"AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG") )
-+        self.assertEqual( self.reads[1].seq, b"ACCTATATCTTGGCCTTGGCCGATGCGGCCTTGCA", "sequence size mismatch in read 2: %s != %s" % (self.reads[1].seq, b"ACCTATATCTTGGCCTTGGCCGATGCGGCCTTGCA") )
-+        self.assertEqual( self.reads[3].seq, b"AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG", "sequence mismatch in read 4: %s != %s" % (self.reads[3].seq, b"AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG") )
-+
-+    def testARqual(self):
-+        self.assertEqual( self.reads[0].qual, b"<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<", "quality string mismatch in read 1: %s != %s" % (self.reads[0].qual, b"<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<") )
-+        self.assertEqual( self.reads[1].qual, b"<<<<<;<<<<7;:<<<6;<<<<<<<<<<<<7<<<<", "quality string mismatch in read 2: %s != %s" % (self.reads[1].qual, b"<<<<<;<<<<7;:<<<6;<<<<<<<<<<<<7<<<<") )
-+        self.assertEqual( self.reads[3].qual, b"<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<", "quality string mismatch in read 3: %s != %s" % (self.reads[3].qual, b"<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<") )
-+
-+    def testARquery(self):
-+        self.assertEqual( self.reads[0].query, b"AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG", "query mismatch in read 1: %s != %s" % (self.reads[0].query, b"AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG") )
-+        self.assertEqual( self.reads[1].query, b"ACCTATATCTTGGCCTTGGCCGATGCGGCCTTGCA", "query size mismatch in read 2: %s != %s" % (self.reads[1].query, b"ACCTATATCTTGGCCTTGGCCGATGCGGCCTTGCA") )
-+        self.assertEqual( self.reads[3].query, b"TAGCTAGCTACCTATATCTTGGTCTT", "query mismatch in read 4: %s != %s" % (self.reads[3].query, b"TAGCTAGCTACCTATATCTTGGTCTT") )
-+
-+    def testARqqual(self):
-+        self.assertEqual( self.reads[0].qqual, b"<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<", "qquality string mismatch in read 1: %s != %s" % (self.reads[0].qqual, b"<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<") )
-+        self.assertEqual( self.reads[1].qqual, b"<<<<<;<<<<7;:<<<6;<<<<<<<<<<<<7<<<<", "qquality string mismatch in read 2: %s != %s" % (self.reads[1].qqual, b"<<<<<;<<<<7;:<<<6;<<<<<<<<<<<<7<<<<") )
-+        self.assertEqual( self.reads[3].qqual, b"<<<<<<<<<<<<<<<<<:<9/,&,22", "qquality string mismatch in read 3: %s != %s" % (self.reads[3].qqual, b"<<<<<<<<<<<<<<<<<:<9/,&,22") )
-+
-+    def testPresentOptionalFields(self):
-+        self.assertEqual( self.reads[0].opt('NM'), 1, "optional field mismatch in read 1, NM: %s != %s" % (self.reads[0].opt('NM'), 1) )
-+        self.assertEqual( self.reads[0].opt('RG'), 'L1', "optional field mismatch in read 1, RG: %s != %s" % (self.reads[0].opt('RG'), 'L1') )
-+        self.assertEqual( self.reads[1].opt('RG'), 'L2', "optional field mismatch in read 2, RG: %s != %s" % (self.reads[1].opt('RG'), 'L2') )
-+        self.assertEqual( self.reads[1].opt('MF'), 18, "optional field mismatch in read 2, MF: %s != %s" % (self.reads[1].opt('MF'), 18) )
-+
-+    def testPairedBools(self):
-+        self.assertEqual( self.reads[0].is_paired, True, "is paired mismatch in read 1: %s != %s" % (self.reads[0].is_paired, True) )
-+        self.assertEqual( self.reads[1].is_paired, True, "is paired mismatch in read 2: %s != %s" % (self.reads[1].is_paired, True) )
-+        self.assertEqual( self.reads[0].is_proper_pair, True, "is proper pair mismatch in read 1: %s != %s" % (self.reads[0].is_proper_pair, True) )
-+        self.assertEqual( self.reads[1].is_proper_pair, True, "is proper pair mismatch in read 2: %s != %s" % (self.reads[1].is_proper_pair, True) )
-+
-+    def testTags( self ):
-+        self.assertEqual( self.reads[0].tags, 
-+                          [('NM', 1), ('RG', 'L1'), 
-+                           ('PG', 'P1'), ('XT', 'U')] )
-+        self.assertEqual( self.reads[1].tags, 
-+                          [('MF', 18), ('RG', 'L2'), 
-+                           ('PG', 'P2'),('XT', 'R') ] )
-+
-+    def testOpt( self ):
-+        self.assertEqual( self.reads[0].opt("XT"), "U" )
-+        self.assertEqual( self.reads[1].opt("XT"), "R" )
-+
-+    def testMissingOpt( self ):
-+        self.assertRaises( KeyError, self.reads[0].opt, "XP" )
-+
-+    def testEmptyOpt( self ):
-+        self.assertRaises( KeyError, self.reads[2].opt, "XT" )
-+
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+class TestAlignedReadFromSam(TestAlignedReadFromBam):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex3.sam","r" )
-+        self.reads=list(self.samfile.fetch())
-+
-+# needs to be implemented 
-+# class TestAlignedReadFromSamWithoutHeader(TestAlignedReadFromBam):
-+#
-+#     def setUp(self):
-+#         self.samfile=pysam.Samfile( "ex7.sam","r" )
-+#         self.reads=list(self.samfile.fetch())
-+
-+class TestHeaderSam(unittest.TestCase):
-+
-+    header = {'SQ': [{'LN': 1575, 'SN': 'chr1'}, 
-+                     {'LN': 1584, 'SN': 'chr2'}], 
-+              'RG': [{'LB': 'SC_1', 'ID': 'L1', 'SM': 'NA12891', 'PU': 'SC_1_10', "CN":"name:with:colon"}, 
-+                     {'LB': 'SC_2', 'ID': 'L2', 'SM': 'NA12891', 'PU': 'SC_2_12', "CN":"name:with:colon"}],
-+              'PG': [{'ID': 'P1', 'VN': '1.0'}, {'ID': 'P2', 'VN': '1.1'}], 
-+              'HD': {'VN': '1.0'},
-+              'CO' : [ 'this is a comment', 'this is another comment'],
-+              }
-+
-+    def compareHeaders( self, a, b ):
-+        '''compare two headers a and b.'''
-+        for ak,av in a.items():
-+            self.assertTrue( ak in b, "key '%s' not in '%s' " % (ak,b) )
-+            self.assertEqual( av, b[ak] )
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex3.sam","r" )
-+
-+    def testHeaders(self):
-+        self.compareHeaders( self.header, self.samfile.header )
-+        self.compareHeaders( self.samfile.header, self.header )
-+
-+    def testNameMapping( self ):
-+        for x, y in enumerate( ("chr1", "chr2")):
-+            tid = self.samfile.gettid( y )
-+            ref = self.samfile.getrname( x )
-+            self.assertEqual( tid, x )
-+            self.assertEqual( ref, y )
-+
-+        self.assertEqual( self.samfile.gettid("chr?"), -1 )
-+        self.assertRaises( ValueError, self.samfile.getrname, 2 )
-+
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+class TestHeaderBam(TestHeaderSam):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex3.bam","rb" )
-+
-+
-+class TestHeader1000Genomes( unittest.TestCase ):
-+
-+    # bamfile = "http://ftp.1000genomes.ebi.ac.uk/vol1/ftp/technical/phase2b_alignment/data/NA07048/exome_alignment/NA07048.unmapped.ILLUMINA.bwa.CEU.exome.20120522_p2b.bam"
-+    bamfile = "http://ftp.1000genomes.ebi.ac.uk/vol1/ftp/technical/phase3_EX_or_LC_only_alignment/data/HG00104/alignment/HG00104.chrom11.ILLUMINA.bwa.GBR.low_coverage.20130415.bam"
-+        
-+    def testRead( self ):
-+
-+	# Skip fetching files from web when building the package
-+        #f = pysam.Samfile( self.bamfile, "rb" )
-+        #data = f.header.copy()
-+        #self.assertTrue( data )
-+        self.assertTrue( True )
-+
-+class TestUnmappedReads(unittest.TestCase):
-+
-+    def testSAM(self):
-+        samfile=pysam.Samfile( "ex5.sam","r" )
-+        self.assertEqual( len(list(samfile.fetch( until_eof = True))), 2 ) 
-+        samfile.close()
-+
-+    def testBAM(self):
-+        samfile=pysam.Samfile( "ex5.bam","rb" )
-+        self.assertEqual( len(list(samfile.fetch( until_eof = True))), 2 ) 
-+        samfile.close()
-+
-+class TestPileupObjects(unittest.TestCase):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex1.bam","rb" )
-+
-+    def testPileupColumn(self):
-+        for pcolumn1 in self.samfile.pileup( region="chr1:105" ):
-+            if pcolumn1.pos == 104:
-+                self.assertEqual( pcolumn1.tid, 0, "chromosome/target id mismatch in position 1: %s != %s" % (pcolumn1.tid, 0) )
-+                self.assertEqual( pcolumn1.pos, 105-1, "position mismatch in position 1: %s != %s" % (pcolumn1.pos, 105-1) )
-+                self.assertEqual( pcolumn1.n, 2, "# reads mismatch in position 1: %s != %s" % (pcolumn1.n, 2) )
-+        for pcolumn2 in self.samfile.pileup( region="chr2:1480" ):
-+            if pcolumn2.pos == 1479:
-+                self.assertEqual( pcolumn2.tid, 1, "chromosome/target id mismatch in position 1: %s != %s" % (pcolumn2.tid, 1) )
-+                self.assertEqual( pcolumn2.pos, 1480-1, "position mismatch in position 1: %s != %s" % (pcolumn2.pos, 1480-1) )
-+                self.assertEqual( pcolumn2.n, 12, "# reads mismatch in position 1: %s != %s" % (pcolumn2.n, 12) )
-+
-+    def testPileupRead(self):
-+        for pcolumn1 in self.samfile.pileup( region="chr1:105" ):
-+            if pcolumn1.pos == 104:
-+                self.assertEqual( len(pcolumn1.pileups), 2, "# reads aligned to column mismatch in position 1: %s != %s" % (len(pcolumn1.pileups), 2) )
-+#                self.assertEqual( pcolumn1.pileups[0]  # need to test additional properties here
-+
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+    def testIteratorOutOfScope( self ):
-+        '''test if exception is raised if pileup col is accessed after iterator is exhausted.'''
-+
-+        for pileupcol in self.samfile.pileup():
-+            pass
-+        
-+        self.assertRaises( ValueError, getattr, pileupcol, "pileups" )
-+
-+class TestContextManager(unittest.TestCase):
-+
-+    def testManager( self ):
-+        with pysam.Samfile('ex1.bam', 'rb') as samfile:
-+            samfile.fetch()
-+        self.assertEqual( samfile._isOpen(), False )
-+
-+class TestExceptions(unittest.TestCase):
-+
-+    def setUp(self):
-+        self.samfile=pysam.Samfile( "ex1.bam","rb" )
-+
-+    def testMissingFile(self):
-+
-+        self.assertRaises( IOError, pysam.Samfile, "exdoesntexist.bam", "rb" )
-+        self.assertRaises( IOError, pysam.Samfile, "exdoesntexist.sam", "r" )
-+        self.assertRaises( IOError, pysam.Samfile, "exdoesntexist.bam", "r" )
-+        self.assertRaises( IOError, pysam.Samfile, "exdoesntexist.sam", "rb" )
-+
-+    def testBadContig(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr88" )
-+
-+    def testMeaninglessCrap(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, "skljf" )
-+
-+    def testBackwardsOrderNewFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, 'chr1', 100, 10 )
-+
-+    def testBackwardsOrderOldFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, region="chr1:100-10")
-+        
-+    def testOutOfRangeNegativeNewFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr1", 5, -10 )
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr1", 5, 0 )
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr1", -5, -10 )
-+
-+        self.assertRaises( ValueError, self.samfile.count, "chr1", 5, -10 )
-+        self.assertRaises( ValueError, self.samfile.count, "chr1", 5, 0 )        
-+        self.assertRaises( ValueError, self.samfile.count, "chr1", -5, -10 )
-+
-+    def testOutOfRangeNegativeOldFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, region="chr1:-5-10" )
-+        self.assertRaises( ValueError, self.samfile.fetch, region="chr1:-5-0" )
-+        self.assertRaises( ValueError, self.samfile.fetch, region="chr1:-5--10" )
-+
-+        self.assertRaises( ValueError, self.samfile.count, region="chr1:-5-10" )
-+        self.assertRaises( ValueError, self.samfile.count, region="chr1:-5-0" )
-+        self.assertRaises( ValueError, self.samfile.count, region="chr1:-5--10" )
-+
-+    def testOutOfRangNewFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr1", 9999999999, 99999999999 )
-+        self.assertRaises( ValueError, self.samfile.count, "chr1", 9999999999, 99999999999 )
-+
-+    def testOutOfRangeLargeNewFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr1", 9999999999999999999999999999999, 9999999999999999999999999999999999999999 )
-+        self.assertRaises( ValueError, self.samfile.count, "chr1", 9999999999999999999999999999999, 9999999999999999999999999999999999999999 )
-+
-+    def testOutOfRangeLargeOldFormat(self):
-+        self.assertRaises( ValueError, self.samfile.fetch, "chr1:99999999999999999-999999999999999999" )
-+        self.assertRaises( ValueError, self.samfile.count, "chr1:99999999999999999-999999999999999999" )
-+
-+    def testZeroToZero(self):        
-+        '''see issue 44'''
-+        self.assertEqual( len(list(self.samfile.fetch('chr1', 0, 0))), 0)
-+
-+    def tearDown(self):
-+        self.samfile.close()
-+
-+class TestWrongFormat(unittest.TestCase):
-+    '''test cases for opening files not in bam/sam format.'''
-+
-+    def testOpenSamAsBam( self ):
-+        self.assertRaises( ValueError, pysam.Samfile, 'ex1.sam', 'rb' )
-+
-+    def testOpenBamAsSam( self ):
-+        # test fails, needs to be implemented.
-+        # sam.fetch() fails on reading, not on opening
-+        # self.assertRaises( ValueError, pysam.Samfile, 'ex1.bam', 'r' )
-+        pass
-+
-+    def testOpenFastaAsSam( self ):
-+        # test fails, needs to be implemented.
-+        # sam.fetch() fails on reading, not on opening
-+        # self.assertRaises( ValueError, pysam.Samfile, 'ex1.fa', 'r' )
-+        pass
-+
-+    def testOpenFastaAsBam( self ):
-+        self.assertRaises( ValueError, pysam.Samfile, 'ex1.fa', 'rb' )
-+
-+class TestFastaFile(unittest.TestCase):
-+
-+    mSequences = { 'chr1' :
-+                       b"CACTAGTGGCTCATTGTAAATGTGTGGTTTAACTCGTCCATGGCCCAGCATTAGGGAGCTGTGGACCCTGCAGCCTGGCTGTGGGGGCCGCAGTGGCTGAGGGGTGCAGAGCCGAGTCACGGGGTTGCCAGCACAGGGGCTTAACCTCTGGTGACTGCCAGAGCTGCTGGCAAGCTAGAGTCCCATTTGGAGCCCCTCTAAGCCGTTCTATTTGTAATGAAAACTATATTTATGCTATTCAGTTCTAAATATAGAAATTGAAACAGCTGTGTTTAGTGCCTTTGTTCAACCCCCTTGCAACAACCTTGAGAACCCCAGGGAATTTGTCAATGTCAGGGAAGGAGCATTTTGTCAGTTACCAAATGTGTTTATTACCAGAGGGATGGAGGGAAGAGGGACGCTGAAGAACTTTGATGCCCTCTTCTTCCAAAGATGAAACGCGTAACTGCGCTCTCATTCACTCCAG [...]
-+                   'chr2' :
-+                       b"TTCAAATGAACTTCTGTAATTGAAAAATTCATTTAAGAAATTACAAAATATAGTTGAAAGCTCTAACAATAGACTAAACCAAGCAGAAGAAAGAGGTTCAGAACTTGAAGACAAGTCTCTTATGAATTAACCCAGTCAGACAAAAATAAAGAAAAAAATTTTAAAAATGAACAGAGCTTTCAAGAAGTATGAGATTATGTAAAGTAACTGAACCTATGAGTCACAGGTATTCCTGAGGAAAAAGAAAAAGTGAGAAGTTTGGAAAAACTATTTGAGGAAGTAATTGGGGAAAACCTCTTTAGTCTTGCTAGAGATTTAGACATCTAAATGAAAGAGGCTCAAAGAATGCCAGGAAGATACATTGCAAGACAGACTTCATCAAGATATGTAGTCATCAGACTATCTAAAGTCAACATGAAGGAAAAAAATTCTAAAATCAGCAAGAGAAAAGCATACAGTCATCTAT [...]
-+                   }
-+
-+    def setUp(self):
-+        self.file=pysam.Fastafile( "ex1.fa" )
-+
-+    def testFetch(self):
-+        for id, seq in list(self.mSequences.items()):
-+            self.assertEqual( seq, self.file.fetch( id ) )
-+            for x in range( 0, len(seq), 10):
-+                self.assertEqual( seq[x:x+10], self.file.fetch( id, x, x+10) )
-+                # test x:end
-+                self.assertEqual( seq[x:], self.file.fetch( id, x) )
-+                # test 0:x
-+                self.assertEqual( seq[:x], self.file.fetch( id, None, x) )
-+
-+        
-+        # unknown sequence returns ""
-+        self.assertEqual( b"", self.file.fetch("chr12") )
-+
-+    def testOutOfRangeAccess( self ):
-+        '''test out of range access.'''
-+        # out of range access returns an empty string
-+        for contig, s in self.mSequences.items():
-+            self.assertEqual( self.file.fetch( contig, len(s), len(s)+1), b"" )
-+
-+        self.assertEqual( self.file.fetch( "chr3", 0 , 100), b"" ) 
-+
-+    def testFetchErrors( self ):
-+        self.assertRaises( ValueError, self.file.fetch )
-+        self.assertRaises( IndexError, self.file.fetch, "chr1", -1, 10 )
-+        self.assertRaises( ValueError, self.file.fetch, "chr1", 20, 10 )
-+
-+    def testLength( self ):
-+        self.assertEqual( len(self.file), 2 )
-+        
-+    def tearDown(self):
-+        self.file.close()
-+
-+class TestAlignedRead(unittest.TestCase):
-+    '''tests to check if aligned read can be constructed
-+    and manipulated.
-+    '''
-+
-+    def checkFieldEqual( self, read1, read2, exclude = []):
-+        '''check if two reads are equal by comparing each field.'''
-+
-+        for x in ("qname", "seq", "flag",
-+                  "rname", "pos", "mapq", "cigar",
-+                  "mrnm", "mpos", "isize", "qual",
-+                  "is_paired", "is_proper_pair",
-+                  "is_unmapped", "mate_is_unmapped",
-+                  "is_reverse", "mate_is_reverse",
-+                  "is_read1", "is_read2",
-+                  "is_secondary", "is_qcfail",
-+                  "is_duplicate", "bin"):
-+            if x in exclude: continue
-+            self.assertEqual( getattr(read1, x), getattr(read2,x), "attribute mismatch for %s: %s != %s" % 
-+                              (x, getattr(read1, x), getattr(read2,x)))
-+    
-+    def testEmpty( self ):
-+        a = pysam.AlignedRead()
-+        self.assertEqual( a.qname, None )
-+        self.assertEqual( a.seq, None )
-+        self.assertEqual( a.qual, None )
-+        self.assertEqual( a.flag, 0 )
-+        self.assertEqual( a.rname, 0 )
-+        self.assertEqual( a.mapq, 0 )
-+        self.assertEqual( a.cigar, None )
-+        self.assertEqual( a.tags, [] )
-+        self.assertEqual( a.mrnm, 0 )
-+        self.assertEqual( a.mpos, 0 )
-+        self.assertEqual( a.isize, 0 )
-+
-+    def buildRead( self ):
-+        '''build an example read.'''
-+        
-+        a = pysam.AlignedRead()
-+        a.qname = "read_12345"
-+        a.seq="ACGT" * 10
-+        a.flag = 0
-+        a.rname = 0
-+        a.pos = 20
-+        a.mapq = 20
-+        a.cigar = ( (0,10), (2,1), (0,9), (1,1), (0,20) )
-+        a.mrnm = 0
-+        a.mpos=200
-+        a.isize=167
-+        a.qual="1234" * 10
-+        # todo: create tags
-+        return a
-+
-+    def testUpdate( self ):
-+        '''check if updating fields affects other variable length data
-+        '''
-+        a = self.buildRead()
-+        b = self.buildRead()
-+
-+        # check qname
-+        b.qname = "read_123"
-+        self.checkFieldEqual( a, b, "qname" )
-+        b.qname = "read_12345678"
-+        self.checkFieldEqual( a, b, "qname" )
-+        b.qname = "read_12345"
-+        self.checkFieldEqual( a, b)
-+
-+        # check cigar
-+        b.cigar = ( (0,10), )
-+        self.checkFieldEqual( a, b, "cigar" )
-+        b.cigar = ( (0,10), (2,1), (0,10) )
-+        self.checkFieldEqual( a, b, "cigar" )
-+        b.cigar = ( (0,10), (2,1), (0,9), (1,1), (0,20) )
-+        self.checkFieldEqual( a, b)
-+
-+        # check seq 
-+        b.seq = "ACGT"
-+        self.checkFieldEqual( a, b, ("seq", "qual") )
-+        b.seq = "ACGT" * 3
-+        self.checkFieldEqual( a, b, ("seq", "qual") )
-+        b.seq = "ACGT" * 10
-+        self.checkFieldEqual( a, b, ("qual",))
-+
-+        # reset qual
-+        b = self.buildRead()
-+
-+        # check flags:
-+        for x in (
-+            "is_paired", "is_proper_pair",
-+            "is_unmapped", "mate_is_unmapped",
-+            "is_reverse", "mate_is_reverse",
-+            "is_read1", "is_read2",
-+            "is_secondary", "is_qcfail",
-+            "is_duplicate"):
-+            setattr( b, x, True )
-+            self.assertEqual( getattr(b, x), True )
-+            self.checkFieldEqual( a, b, ("flag", x,) )
-+            setattr( b, x, False )
-+            self.assertEqual( getattr(b, x), False )
-+            self.checkFieldEqual( a, b )
-+
-+    def testLargeRead( self ):
-+        '''build an example read.'''
-+        
-+        a = pysam.AlignedRead()
-+        a.qname = "read_12345"
-+        a.seq="ACGT" * 200
-+        a.flag = 0
-+        a.rname = 0
-+        a.pos = 20
-+        a.mapq = 20
-+        a.cigar = ( (0, 4 * 200), )
-+        a.mrnm = 0
-+        a.mpos=200
-+        a.isize=167
-+        a.qual="1234" * 200
-+
-+        return a
-+
-+    def testTagParsing( self ):
-+        '''test for tag parsing
-+
-+        see http://groups.google.com/group/pysam-user-group/browse_thread/thread/67ca204059ea465a
-+        '''
-+        samfile=pysam.Samfile( "ex8.bam","rb" )
-+
-+        for entry in samfile:
-+            before = entry.tags
-+            entry.tags = entry.tags
-+            after = entry.tags
-+            self.assertEqual( after, before )
-+
-+    def testUpdateTlen( self ):
-+        '''check if updating tlen works'''
-+        a = self.buildRead()
-+        oldlen = a.tlen
-+        oldlen *= 2
-+        a.tlen = oldlen
-+        self.assertEqual( a.tlen, oldlen )
-+
-+    def testPositions( self ):
-+        a = self.buildRead()
-+        self.assertEqual( a.positions,
-+                          [20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 
-+                                31, 32, 33, 34, 35, 36, 37, 38, 39, 
-+                           40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 
-+                           50, 51, 52, 53, 54, 55, 56, 57, 58, 59] )
-+
-+        self.assertEqual( a.aligned_pairs,
-+                          [(0, 20), (1, 21), (2, 22), (3, 23), (4, 24), 
-+                           (5, 25), (6, 26), (7, 27), (8, 28), (9, 29), 
-+                           (None, 30), 
-+                           (10, 31), (11, 32), (12, 33), (13, 34), (14, 35), 
-+                           (15, 36), (16, 37), (17, 38), (18, 39), (19, None), 
-+                           (20, 40), (21, 41), (22, 42), (23, 43), (24, 44), 
-+                           (25, 45), (26, 46), (27, 47), (28, 48), (29, 49), 
-+                           (30, 50), (31, 51), (32, 52), (33, 53), (34, 54), 
-+                           (35, 55), (36, 56), (37, 57), (38, 58), (39, 59)] )
-+
-+        self.assertEqual( a.positions, [x[1] for x in a.aligned_pairs if x[0] != None and x[1] != None] )
-+        # alen is the length of the aligned read in genome
-+        self.assertEqual( a.alen, a.aligned_pairs[-1][0] + 1 )
-+        # aend points to one beyond last aligned base in ref
-+        self.assertEqual( a.positions[-1], a.aend - 1 )
-+
-+class TestDeNovoConstruction(unittest.TestCase):
-+    '''check BAM/SAM file construction using ex6.sam
-+    
-+    (note these are +1 coordinates):
-+    
-+    read_28833_29006_6945	99	chr1	33	20	10M1D25M	=	200	167	AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG	<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<	NM:i:1	RG:Z:L1
-+    read_28701_28881_323b	147	chr2	88	30	35M	=	500	412	ACCTATATCTTGGCCTTGGCCGATGCGGCCTTGCA	<<<<<;<<<<7;:<<<6;<<<<<<<<<<<<7<<<<	MF:i:18	RG:Z:L2
-+    '''
-+
-+    header = { 'HD': {'VN': '1.0'},
-+               'SQ': [{'LN': 1575, 'SN': 'chr1'}, 
-+                      {'LN': 1584, 'SN': 'chr2'}], }
-+
-+    bamfile = "ex6.bam"
-+    samfile = "ex6.sam"
-+
-+    def checkFieldEqual( self, read1, read2, exclude = []):
-+        '''check if two reads are equal by comparing each field.'''
-+
-+        for x in ("qname", "seq", "flag",
-+                  "rname", "pos", "mapq", "cigar",
-+                  "mrnm", "mpos", "isize", "qual",
-+                  "bin",
-+                  "is_paired", "is_proper_pair",
-+                  "is_unmapped", "mate_is_unmapped",
-+                  "is_reverse", "mate_is_reverse",
-+                  "is_read1", "is_read2",
-+                  "is_secondary", "is_qcfail",
-+                  "is_duplicate"):
-+            if x in exclude: continue
-+            self.assertEqual( getattr(read1, x), getattr(read2,x), "attribute mismatch for %s: %s != %s" % 
-+                              (x, getattr(read1, x), getattr(read2,x)))
-+
-+    def setUp( self ):
-+
-+        a = pysam.AlignedRead()
-+        a.qname = "read_28833_29006_6945"
-+        a.seq="AGCTTAGCTAGCTACCTATATCTTGGTCTTGGCCG"
-+        a.flag = 99
-+        a.rname = 0
-+        a.pos = 32
-+        a.mapq = 20
-+        a.cigar = ( (0,10), (2,1), (0,25) )
-+        a.mrnm = 0
-+        a.mpos=199
-+        a.isize=167
-+        a.qual="<<<<<<<<<<<<<<<<<<<<<:<9/,&,22;;<<<"
-+        a.tags = ( ("NM", 1),
-+                   ("RG", "L1") )
-+
-+        b = pysam.AlignedRead()
-+        b.qname = "read_28701_28881_323b"
-+        b.seq="ACCTATATCTTGGCCTTGGCCGATGCGGCCTTGCA"
-+        b.flag = 147
-+        b.rname = 1
-+        b.pos = 87
-+        b.mapq = 30
-+        b.cigar = ( (0,35), )
-+        b.mrnm = 1
-+        b.mpos=499
-+        b.isize=412
-+        b.qual="<<<<<;<<<<7;:<<<6;<<<<<<<<<<<<7<<<<"
-+        b.tags = ( ("MF", 18),
-+                   ("RG", "L2") )
-+
-+        self.reads = (a,b)
-+
-+    def testSAMWholeFile( self ):
-+        
-+        tmpfilename = "tmp_%i.sam" % id(self)
-+
-+        outfile = pysam.Samfile( tmpfilename, "wh", header = self.header )
-+
-+        for x in self.reads: outfile.write( x )
-+        outfile.close()
-+        self.assertTrue( checkBinaryEqual( tmpfilename, self.samfile ),
-+                         "mismatch when construction SAM file, see %s %s" % (tmpfilename, self.samfile))
-+        
-+        os.unlink( tmpfilename )
-+
-+    def testBAMPerRead( self ):
-+        '''check if individual reads are binary equal.'''
-+        infile = pysam.Samfile( self.bamfile, "rb")
-+
-+        others = list(infile)
-+        for denovo, other in zip( others, self.reads):
-+            self.checkFieldEqual( other, denovo )
-+            self.assertEqual( other.compare( denovo ), 0 )
-+
-+    def testSAMPerRead( self ):
-+        '''check if individual reads are binary equal.'''
-+        infile = pysam.Samfile( self.samfile, "r")
-+
-+        others = list(infile)
-+        for denovo, other in zip( others, self.reads):
-+            self.checkFieldEqual( other, denovo )
-+            self.assertEqual( other.compare( denovo), 0 )
-+            
-+    def testBAMWholeFile( self ):
-+        
-+        tmpfilename = "tmp_%i.bam" % id(self)
-+
-+        outfile = pysam.Samfile( tmpfilename, "wb", header = self.header )
-+
-+        for x in self.reads: outfile.write( x )
-+        outfile.close()
-+        
-+        self.assertTrue( checkBinaryEqual( tmpfilename, self.bamfile ),
-+                         "mismatch when construction BAM file, see %s %s" % (tmpfilename, self.bamfile))
-+        
-+        os.unlink( tmpfilename )
-+
-+class TestDeNovoConstructionUserTags(TestDeNovoConstruction):
-+    '''test de novo construction with a header that contains lower-case tags.'''
-+
-+    header = { 'HD': {'VN': '1.0'},
-+               'SQ': [{'LN': 1575, 'SN': 'chr1'}, 
-+                      {'LN': 1584, 'SN': 'chr2'}],
-+               'x1': {'A': 2, 'B': 5 },
-+               'x3': {'A': 6, 'B': 5 },
-+               'x2': {'A': 4, 'B': 5 } }
-+
-+    bamfile = "example_user_header.bam"
-+    samfile = "example_user_header.sam"
-+
-+class TestEmptyHeader( unittest.TestCase ):
-+    '''see issue 84.'''
-+    
-+    def testEmptyHeader( self ):
-+
-+        s = pysam.Samfile('example_empty_header.bam')
-+        self.assertEqual( s.header, {'SQ': [{'LN': 1000, 'SN': 'chr1'}]} )
-+
-+class TestBTagSam( unittest.TestCase ):
-+    '''see issue 81.'''
-+    
-+    compare = [ [100, 1, 91, 0, 7, 101, 0, 201, 96, 204, 0, 0, 87, 109, 0, 7, 97, 112, 1, 12, 78, 197, 0, 7, 100, 95, 101, 202, 0, 6, 0, 1, 186, 0, 84, 0, 244, 0, 0, 324, 0, 107, 195, 101, 113, 0, 102, 0, 104, 3, 0, 101, 1, 0, 212, 6, 0, 0, 1, 0, 74, 1, 11, 0, 196, 2, 197, 103, 0, 108, 98, 2, 7, 0, 1, 2, 194, 0, 180, 0, 108, 0, 203, 104, 16, 5, 205, 0, 0, 0, 1, 1, 100, 98, 0, 0, 204, 6, 0, 79, 0, 0, 101, 7, 109, 90, 265, 1, 27, 10, 109, 102, 9, 0, 292, 0, 110, 0, 0, 102, 112, 0, 0, 84,  [...]
-+                [-100,200,-300,-400],
-+                [-100,12],
-+                [12,15],
-+                [-1.0,5.0,2.5] ]
-+            
-+    filename = 'example_btag.sam'
-+
-+    def testRead( self ):
-+
-+        s = pysam.Samfile(self.filename)
-+        for x, read in enumerate(s):
-+            if x == 0:
-+                self.assertEqual( read.tags, [('RG', 'QW85I'), ('PG', 'tmap'), ('MD', '140'), ('NM', 0), ('AS', 140), ('FZ', [100, 1, 91, 0, 7, 101, 0, 201, 96, 204, 0, 0, 87, 109, 0, 7, 97, 112, 1, 12, 78, 197, 0, 7, 100, 95, 101, 202, 0, 6, 0, 1, 186, 0, 84, 0, 244, 0, 0, 324, 0, 107, 195, 101, 113, 0, 102, 0, 104, 3, 0, 101, 1, 0, 212, 6, 0, 0, 1, 0, 74, 1, 11, 0, 196, 2, 197, 103, 0, 108, 98, 2, 7, 0, 1, 2, 194, 0, 180, 0, 108, 0, 203, 104, 16, 5, 205, 0, 0, 0, 1, 1, 100, 98, 0, 0,  [...]
-+                                  )
-+                         
-+            fz = dict(read.tags)["FZ"]
-+            self.assertEqual( fz, self.compare[x] )
-+            self.assertEqual( read.opt("FZ"), self.compare[x])
-+
-+    def testWrite( self ):
-+        
-+        s = pysam.Samfile(self.filename)
-+        for read in s:
-+            before = read.tags
-+            read.tags = read.tags
-+            after = read.tags
-+            self.assertEqual( after, before )
-+
-+class TestBTagBam( TestBTagSam ):
-+    filename = 'example_btag.bam'
-+
-+class TestDoubleFetch(unittest.TestCase):
-+    '''check if two iterators on the same bamfile are independent.'''
-+    
-+    def testDoubleFetch( self ):
-+
-+        samfile1 = pysam.Samfile('ex1.bam', 'rb')
-+
-+        for a,b in zip(samfile1.fetch(), samfile1.fetch()):
-+            self.assertEqual( a.compare( b ), 0 )
-+
-+    def testDoubleFetchWithRegion( self ):
-+
-+        samfile1 = pysam.Samfile('ex1.bam', 'rb')
-+        chr, start, stop = 'chr1', 200, 3000000
-+        self.assertTrue(len(list(samfile1.fetch ( chr, start, stop))) > 0) #just making sure the test has something to catch
-+
-+        for a,b in zip(samfile1.fetch( chr, start, stop), samfile1.fetch( chr, start, stop)):
-+            self.assertEqual( a.compare( b ), 0 ) 
-+
-+    def testDoubleFetchUntilEOF( self ):
-+
-+        samfile1 = pysam.Samfile('ex1.bam', 'rb')
-+
-+        for a,b in zip(samfile1.fetch( until_eof = True), 
-+                       samfile1.fetch( until_eof = True )):
-+            self.assertEqual( a.compare( b), 0 )
-+
-+class TestRemoteFileFTP(unittest.TestCase):
-+    '''test remote access.
-+
-+    '''
-+
-+    # Need to find an ftp server without password on standard
-+    # port.
-+
-+    url = "ftp://ftp.sanger.ac.uk/pub/rd/humanSequences/CV.bam"
-+    region = "1:1-1000"
-+
-+    def testFTPView( self ):
-+        return
-+        result = pysam.view( self.url, self.region )
-+        self.assertEqual( len(result), 36 )
-+        
-+    def testFTPFetch( self ):
-+        return
-+        samfile = pysam.Samfile(self.url, "rb")  
-+        result = list(samfile.fetch( region = self.region ))
-+        self.assertEqual( len(result), 36 )
-+
-+class TestLargeOptValues( unittest.TestCase ):
-+
-+    ints = ( 65536, 214748, 2147484, 2147483647 )
-+    floats = ( 65536.0, 214748.0, 2147484.0 )
-+
-+    def check( self, samfile ):
-+        
-+        i = samfile.fetch()
-+        for exp in self.ints:
-+            rr = next(i)
-+            obs = rr.opt("ZP")
-+            self.assertEqual( exp, obs, "expected %s, got %s\n%s" % (str(exp), str(obs), str(rr)))
-+
-+        for exp in [ -x for x in self.ints ]:
-+            rr = next(i)
-+            obs = rr.opt("ZP")
-+            self.assertEqual( exp, obs, "expected %s, got %s\n%s" % (str(exp), str(obs), str(rr)))
-+
-+        for exp in self.floats:
-+            rr = next(i)
-+            obs = rr.opt("ZP")
-+            self.assertEqual( exp, obs, "expected %s, got %s\n%s" % (str(exp), str(obs), str(rr)))
-+
-+        for exp in [ -x for x in self.floats ]:
-+            rr = next(i)
-+            obs = rr.opt("ZP")
-+            self.assertEqual( exp, obs, "expected %s, got %s\n%s" % (str(exp), str(obs), str(rr)))
-+
-+    def testSAM( self ):
-+        samfile = pysam.Samfile("ex10.sam", "r")
-+        self.check( samfile )
-+
-+    def testBAM( self ):
-+        samfile = pysam.Samfile("ex10.bam", "rb")
-+        self.check( samfile )
-+
-+# class TestSNPCalls( unittest.TestCase ):
-+#     '''test pysam SNP calling ability.'''
-+
-+#     def checkEqual( self, a, b ):
-+#         for x in ("reference_base", 
-+#                   "pos",
-+#                   "genotype",
-+#                   "consensus_quality",
-+#                   "snp_quality",
-+#                   "mapping_quality",
-+#                   "coverage" ):
-+#             self.assertEqual( getattr(a, x), getattr(b,x), "%s mismatch: %s != %s\n%s\n%s" % 
-+#                               (x, getattr(a, x), getattr(b,x), str(a), str(b)))
-+
-+#     def testAllPositionsViaIterator( self ):
-+#         samfile = pysam.Samfile( "ex1.bam", "rb")  
-+#         fastafile = pysam.Fastafile( "ex1.fa" )
-+#         try: 
-+#             refs = [ x for x in pysam.pileup( "-c", "-f", "ex1.fa", "ex1.bam" ) if x.reference_base != "*"]
-+#         except pysam.SamtoolsError:
-+#             pass
-+
-+#         i = samfile.pileup( stepper = "samtools", fastafile = fastafile )
-+#         calls = list(pysam.IteratorSNPCalls(i))
-+#         for x,y in zip( refs, calls ):
-+#             self.checkEqual( x, y )
-+
-+#     def testPerPositionViaIterator( self ):
-+#         # test pileup for each position. This is a slow operation
-+#         # so this test is disabled 
-+#         return
-+#         samfile = pysam.Samfile( "ex1.bam", "rb")  
-+#         fastafile = pysam.Fastafile( "ex1.fa" )
-+#         for x in pysam.pileup( "-c", "-f", "ex1.fa", "ex1.bam" ):
-+#             if x.reference_base == "*": continue
-+#             i = samfile.pileup( x.chromosome, x.pos, x.pos+1,
-+#                                 fastafile = fastafile,
-+#                                 stepper = "samtools" )
-+#             z = [ zz for zz in pysam.IteratorSamtools(i) if zz.pos == x.pos ]
-+#             self.assertEqual( len(z), 1 )
-+#             self.checkEqual( x, z[0] )
-+
-+#     def testPerPositionViaCaller( self ):
-+#         # test pileup for each position. This is a fast operation
-+#         samfile = pysam.Samfile( "ex1.bam", "rb")  
-+#         fastafile = pysam.Fastafile( "ex1.fa" )
-+#         i = samfile.pileup( stepper = "samtools", fastafile = fastafile )
-+#         caller = pysam.SNPCaller( i )
-+
-+#         for x in pysam.pileup( "-c", "-f", "ex1.fa", "ex1.bam" ):
-+#             if x.reference_base == "*": continue
-+#             call = caller.call( x.chromosome, x.pos )
-+#             self.checkEqual( x, call )
-+
-+# class TestIndelCalls( unittest.TestCase ):
-+#     '''test pysam indel calling.'''
-+
-+#     def checkEqual( self, a, b ):
-+
-+#         for x in ("pos",
-+#                   "genotype",
-+#                   "consensus_quality",
-+#                   "snp_quality",
-+#                   "mapping_quality",
-+#                   "coverage",
-+#                   "first_allele",
-+#                   "second_allele",
-+#                   "reads_first",
-+#                   "reads_second",
-+#                   "reads_diff"):
-+#             if b.genotype == "*/*" and x == "second_allele":
-+#                 # ignore test for second allele (positions chr2:439 and chr2:1512)
-+#                 continue
-+#             self.assertEqual( getattr(a, x), getattr(b,x), "%s mismatch: %s != %s\n%s\n%s" % 
-+#                               (x, getattr(a, x), getattr(b,x), str(a), str(b)))
-+
-+#     def testAllPositionsViaIterator( self ):
-+
-+#         samfile = pysam.Samfile( "ex1.bam", "rb")  
-+#         fastafile = pysam.Fastafile( "ex1.fa" )
-+#         try: 
-+#             refs = [ x for x in pysam.pileup( "-c", "-f", "ex1.fa", "ex1.bam" ) if x.reference_base == "*"]
-+#         except pysam.SamtoolsError:
-+#             pass
-+
-+#         i = samfile.pileup( stepper = "samtools", fastafile = fastafile )
-+#         calls = [ x for x in list(pysam.IteratorIndelCalls(i)) if x != None ]
-+#         for x,y in zip( refs, calls ):
-+#             self.checkEqual( x, y )
-+
-+#     def testPerPositionViaCaller( self ):
-+#         # test pileup for each position. This is a fast operation
-+#         samfile = pysam.Samfile( "ex1.bam", "rb")  
-+#         fastafile = pysam.Fastafile( "ex1.fa" )
-+#         i = samfile.pileup( stepper = "samtools", fastafile = fastafile )
-+#         caller = pysam.IndelCaller( i )
-+
-+#         for x in pysam.pileup( "-c", "-f", "ex1.fa", "ex1.bam" ):
-+#             if x.reference_base != "*": continue
-+#             call = caller.call( x.chromosome, x.pos )
-+#             self.checkEqual( x, call )
-+
-+class TestLogging( unittest.TestCase ):
-+    '''test around bug issue 42,
-+
-+    failed in versions < 0.4
-+    '''
-+
-+    def check( self, bamfile, log ):
-+
-+        if log:
-+            logger = logging.getLogger('franklin')
-+            logger.setLevel(logging.INFO)
-+            formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
-+            log_hand  = logging.FileHandler('log.txt')
-+            log_hand.setFormatter(formatter)
-+            logger.addHandler(log_hand)
-+
-+        bam  = pysam.Samfile(bamfile, 'rb')
-+        cols = bam.pileup()
-+        self.assertTrue( True )
-+
-+    def testFail1( self ):
-+        self.check( "ex9_fail.bam", False )
-+        self.check( "ex9_fail.bam", True )
-+
-+    def testNoFail1( self ):
-+        self.check( "ex9_nofail.bam", False )
-+        self.check( "ex9_nofail.bam", True )
-+
-+    def testNoFail2( self ):
-+        self.check( "ex9_nofail.bam", True )
-+        self.check( "ex9_nofail.bam", True )
-+        
-+# TODOS
-+# 1. finish testing all properties within pileup objects
-+# 2. check exceptions and bad input problems (missing files, optional fields that aren't present, etc...)
-+# 3. check: presence of sequence
-+
-+class TestSamfileUtilityFunctions( unittest.TestCase ):
-+
-+    def testCount( self ):
-+
-+        samfile = pysam.Samfile( "ex1.bam", "rb" )
-+
-+        for contig in ("chr1", "chr2" ):
-+            for start in range( 0, 2000, 100 ):
-+                end = start + 1
-+                self.assertEqual( len( list( samfile.fetch( contig, start, end ) ) ),
-+                                  samfile.count( contig, start, end ) )
-+
-+                # test empty intervals
-+                self.assertEqual( len( list( samfile.fetch( contig, start, start ) ) ),
-+                                  samfile.count( contig, start, start ) )
-+
-+                # test half empty intervals
-+                self.assertEqual( len( list( samfile.fetch( contig, start ) ) ),
-+                                  samfile.count( contig, start ) )
-+
-+    def testMate( self ):
-+        '''test mate access.'''
-+
-+        with open( "ex1.sam", "rb" ) as inf:
-+            readnames = [ x.split(b"\t")[0] for x in inf.readlines() ]
-+        if sys.version_info[0] >= 3:
-+            readnames = [ name.decode('ascii') for name in readnames ]
-+            
-+        counts = collections.defaultdict( int )
-+        for x in readnames: counts[x] += 1
-+
-+        samfile = pysam.Samfile( "ex1.bam", "rb" )
-+        for read in samfile.fetch():
-+            if not read.is_paired:
-+                self.assertRaises( ValueError, samfile.mate, read )
-+            elif read.mate_is_unmapped:
-+                self.assertRaises( ValueError, samfile.mate, read )
-+            else:
-+                if counts[read.qname] == 1:
-+                    self.assertRaises( ValueError, samfile.mate, read )
-+                else:
-+                    mate = samfile.mate( read )
-+                    self.assertEqual( read.qname, mate.qname )
-+                    self.assertEqual( read.is_read1, mate.is_read2 )
-+                    self.assertEqual( read.is_read2, mate.is_read1 )
-+                    self.assertEqual( read.pos, mate.mpos )
-+                    self.assertEqual( read.mpos, mate.pos )
-+
-+    def testIndexStats( self ):
-+        '''test if total number of mapped/unmapped reads is correct.'''
-+
-+        samfile = pysam.Samfile( "ex1.bam", "rb" )
-+        self.assertEqual( samfile.mapped, 3235 )
-+        self.assertEqual( samfile.unmapped, 35 )
-+
-+class TestSamtoolsProxy( unittest.TestCase ):
-+    '''tests for sanity checking access to samtools functions.'''
-+
-+    def testIndex( self ):
-+        self.assertRaises( IOError, pysam.index, "missing_file" )
-+
-+    def testView( self ):
-+        # note that view still echos "open: No such file or directory"
-+        self.assertRaises( pysam.SamtoolsError, pysam.view, "missing_file" )
-+
-+    def testSort( self ):
-+        self.assertRaises( pysam.SamtoolsError, pysam.sort, "missing_file" )
-+
-+class TestSamfileIndex( unittest.TestCase):
-+    
-+    def testIndex( self ):
-+        samfile = pysam.Samfile( "ex1.bam", "rb" )
-+        index = pysam.IndexedReads( samfile )
-+        index.build()
-+
-+        reads = collections.defaultdict( int )
-+
-+        for read in samfile: reads[read.qname] += 1
-+            
-+        for qname, counts in reads.items():
-+            found = list(index.find( qname ))
-+            self.assertEqual( len(found), counts )
-+            for x in found: self.assertEqual( x.qname, qname )
-+            
-+
-+if __name__ == "__main__":
-+    # build data files
-+    print ("building data files")
-+    subprocess.call( "make", shell=True)
-+    print ("starting tests")
-+    unittest.main()
-+    print ("completed tests")
diff --git a/debian/patches/series b/debian/patches/series
index 54addc7..7de87be 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1 +1,2 @@
-import-setuptools-at-the-beginning.patch
+change-htslib-statement-to-link-to-debian
+adding-include-hts-dirs
diff --git a/debian/patches/use_external_htslib.patch b/debian/patches/use_external_htslib.patch
deleted file mode 100644
index 31bd62f..0000000
--- a/debian/patches/use_external_htslib.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-Author: Andreas Tille <tille at debian.org>
-Date: Tue, 19 Aug 2014 21:26:37 +0200
-Description: setup.py allows to use external htslib which we do hereby
-
---- a/setup.py
-+++ b/setup.py
-@@ -32,7 +32,7 @@ IS_PYTHON3 = sys.version_info[0] >= 3
- #         pysam. 
- # external: use shared libhts.so compiled outside of 
- #           pysam
--HTSLIB = "separate"
-+HTSLIB = "external"
- HTSLIB_DIR = []
- 
- # collect pysam version
-@@ -55,6 +55,7 @@ tabix_dest = os.path.abspath("tabix")
- if HTSLIB == 'external':
-     htslib_sources = []
-     chtslib_sources = []
-+    shared_htslib_sources = htslib_sources
-     htslib_library_dirs = HTSLIB_DIR
-     htslib_libraries = ['hts']
- elif HTSLIB == 'separate':
diff --git a/debian/rules b/debian/rules
index 423cfce..90b3ebe 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,6 +6,8 @@ DEBPKGNAME := $(shell dpkg-parsechangelog | awk '/^Source:/ {print $$2}')
 TESTPKG    := $(DEBPKGNAME)-tests
 
 HTSLIBDIR  := /usr/lib/$(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
+export HTSLIB_LIBRARY_DIR=$(HTSLIBDIR)
+export HTSLIB_INCLUDE_DIR=/usr/include
 
 # DEB_BUILD_OPTIONS := nocheck
 
@@ -29,21 +31,21 @@ override_dh_clean:
 	fi
 
 override_dh_auto_build: debian/savefiles
-	HTSLIB_LIBRARY_DIR=$(HTSLIBDIR) HTSLIB_INCLUDE_DIR=/usr/include dh_auto_build
-
-override_dh_auto_test:
-ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
-	LC_ALL=C.UTF-8 dh_auto_test -- --test --system=custom \
-		--test-args='set -e; \
-			     cp -a $(CURDIR)/tests {build_dir}/tests ; \
-			     cd {build_dir}/tests && HTSLIB_LIBRARY_DIR=$(HTSLIBDIR) HTSLIB_INCLUDE_DIR=/usr/include PYTHONPATH={build_dir} {interpreter} ./pysam_test.py \
-			                          && HTSLIB_LIBRARY_DIR=$(HTSLIBDIR) HTSLIB_INCLUDE_DIR=/usr/include PYTHONPATH={build_dir} {interpreter} ./tabix_test.py '
-endif
-
-override_dh_install-indep:
-	dh_install -p $(TESTPKG)
-	cd debian/$(TESTPKG)/usr/share/doc/python-pysam/tests; \
-	    make clean; \
-	    rm -f log.txt ; \
-	    chmod a+x tabix_test.py
+	 dh_auto_build
+
+# override_dh_auto_test:
+# ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
+# 	LC_ALL=C.UTF-8 dh_auto_test -- --test --system=custom \
+# 		--test-args='set -e; \
+# 			     cp -a $(CURDIR)/tests ${build_dir}/tests ; \
+# 			     cd {build_dir}/tests PYTHONPATH=${build_dir} ${interpreter} ./pysam_test.py \
+# 			                          && HTSLIB_LIBRARY_DIR=$(HTSLIBDIR) HTSLIB_INCLUDE_DIR=/usr/include PYTHONPATH=${build_dir} ${interpreter} ./tabix_test.py '
+# endif
+
+# override_dh_install-indep:
+# 	dh_install -p $(TESTPKG)
+# 	cd debian/$(TESTPKG)/usr/share/doc/python-pysam/tests; \
+# 	    make clean; \
+# 	    rm -f log.txt ; \
+# 	    chmod a+x tabix_test.py
 
diff --git a/pysam.egg-info/PKG-INFO b/pysam.egg-info/PKG-INFO
deleted file mode 100644
index 354479b..0000000
--- a/pysam.egg-info/PKG-INFO
+++ /dev/null
@@ -1,16 +0,0 @@
-Metadata-Version: 1.1
-Name: pysam
-Version: 0.8.1
-Summary: pysam
-Home-page: https://github.com/pysam-developers/pysam
-Author: Andreas Heger
-Author-email: andreas.heger at gmail.com
-License: MIT
-Description: 
-        
-        pysam
-        *****
-        
-        
-Platform: ALL
-Requires: cython (>=0.20.1)
diff --git a/pysam.egg-info/SOURCES.txt b/pysam.egg-info/SOURCES.txt
deleted file mode 100644
index ee169f1..0000000
--- a/pysam.egg-info/SOURCES.txt
+++ /dev/null
@@ -1,204 +0,0 @@
-COPYING
-INSTALL
-KNOWN_BUGS
-MANIFEST.in
-README.rst
-THANKS
-pysam.py
-setup.cfg
-setup.py
-doc/Makefile
-doc/api.rst
-doc/conf.py
-doc/developer.rst
-doc/faq.rst
-doc/glossary.rst
-doc/index.rst
-doc/make.bat
-doc/out
-doc/release.rst
-doc/usage.rst
-htslib/bgzf.c
-htslib/bgzip.c
-htslib/config.h
-htslib/faidx.c
-htslib/hfile.c
-htslib/hfile_internal.h
-htslib/hfile_net.c
-htslib/hts.c
-htslib/kfunc.c
-htslib/knetfile.c
-htslib/kstring.c
-htslib/sam.c
-htslib/synced_bcf_reader.c
-htslib/tabix.c
-htslib/tbx.c
-htslib/vcf.c
-htslib/vcf_sweep.c
-htslib/vcfutils.c
-htslib/version.h
-htslib/cram/cram.h
-htslib/cram/cram_codecs.c
-htslib/cram/cram_codecs.h
-htslib/cram/cram_decode.c
-htslib/cram/cram_decode.h
-htslib/cram/cram_encode.c
-htslib/cram/cram_encode.h
-htslib/cram/cram_index.c
-htslib/cram/cram_index.h
-htslib/cram/cram_io.c
-htslib/cram/cram_io.h
-htslib/cram/cram_samtools.c
-htslib/cram/cram_samtools.h
-htslib/cram/cram_stats.c
-htslib/cram/cram_stats.h
-htslib/cram/cram_structs.h
-htslib/cram/files.c
-htslib/cram/mFILE.c
-htslib/cram/mFILE.h
-htslib/cram/md5.c
-htslib/cram/md5.h
-htslib/cram/misc.h
-htslib/cram/open_trace_file.c
-htslib/cram/open_trace_file.h
-htslib/cram/os.h
-htslib/cram/pooled_alloc.c
-htslib/cram/pooled_alloc.h
-htslib/cram/sam_header.c
-htslib/cram/sam_header.h
-htslib/cram/string_alloc.c
-htslib/cram/string_alloc.h
-htslib/cram/thread_pool.c
-htslib/cram/thread_pool.h
-htslib/cram/vlen.c
-htslib/cram/vlen.h
-htslib/cram/zfio.c
-htslib/cram/zfio.h
-htslib/htslib/bgzf.h
-htslib/htslib/faidx.h
-htslib/htslib/hfile.h
-htslib/htslib/hts.h
-htslib/htslib/hts_defs.h
-htslib/htslib/kfunc.h
-htslib/htslib/khash.h
-htslib/htslib/khash_str2int.h
-htslib/htslib/klist.h
-htslib/htslib/knetfile.h
-htslib/htslib/kseq.h
-htslib/htslib/ksort.h
-htslib/htslib/kstring.h
-htslib/htslib/sam.h
-htslib/htslib/synced_bcf_reader.h
-htslib/htslib/tbx.h
-htslib/htslib/vcf.h
-htslib/htslib/vcf_sweep.h
-htslib/htslib/vcfutils.h
-pysam/Pileup.py
-pysam/TabProxies.c
-pysam/TabProxies.pxd
-pysam/TabProxies.pyx
-pysam/__init__.py
-pysam/calignmentfile.c
-pysam/calignmentfile.pxd
-pysam/calignmentfile.pyx
-pysam/cfaidx.c
-pysam/cfaidx.pxd
-pysam/cfaidx.pyx
-pysam/chtslib.c
-pysam/chtslib.pxd
-pysam/chtslib.pyx
-pysam/csamfile.c
-pysam/csamfile.pxd
-pysam/csamfile.pyx
-pysam/csamtools.c
-pysam/csamtools.pxd
-pysam/csamtools.pyx
-pysam/ctabix.c
-pysam/ctabix.pxd
-pysam/ctabix.pyx
-pysam/cvcf.c
-pysam/cvcf.pxd
-pysam/cvcf.pyx
-pysam/htslib_util.c
-pysam/htslib_util.h
-pysam/namedtuple.py
-pysam/pysam_stream.h
-pysam/pysam_util.c
-pysam/pysam_util.h
-pysam/samfile_util.c
-pysam/samfile_util.h
-pysam/tabix_util.c
-pysam/tabix_util.h
-pysam/version.py
-pysam.egg-info/PKG-INFO
-pysam.egg-info/SOURCES.txt
-pysam.egg-info/dependency_links.txt
-pysam.egg-info/not-zip-safe
-pysam.egg-info/top_level.txt
-pysam/include/__init__.py
-samtools/bam.c.pysam.c
-samtools/bam.h
-samtools/bam2bcf.c.pysam.c
-samtools/bam2bcf.h
-samtools/bam2bcf_indel.c.pysam.c
-samtools/bam2depth.c.pysam.c
-samtools/bam_aux.c.pysam.c
-samtools/bam_cat.c.pysam.c
-samtools/bam_color.c.pysam.c
-samtools/bam_endian.h
-samtools/bam_flags.c.pysam.c
-samtools/bam_import.c.pysam.c
-samtools/bam_index.c.pysam.c
-samtools/bam_lpileup.c.pysam.c
-samtools/bam_lpileup.h
-samtools/bam_mate.c.pysam.c
-samtools/bam_md.c.pysam.c
-samtools/bam_plbuf.c.pysam.c
-samtools/bam_plbuf.h
-samtools/bam_plcmd.c.pysam.c
-samtools/bam_reheader.c.pysam.c
-samtools/bam_rmdup.c.pysam.c
-samtools/bam_rmdupse.c.pysam.c
-samtools/bam_sort.c.pysam.c
-samtools/bam_split.c.pysam.c
-samtools/bam_stat.c.pysam.c
-samtools/bam_tview.c.pysam.c
-samtools/bam_tview.h
-samtools/bam_tview_curses.c.pysam.c
-samtools/bam_tview_html.c.pysam.c
-samtools/bamshuf.c.pysam.c
-samtools/bedcov.c.pysam.c
-samtools/bedidx.c.pysam.c
-samtools/cut_target.c.pysam.c
-samtools/errmod.c.pysam.c
-samtools/errmod.h
-samtools/faidx.c.pysam.c
-samtools/kaln.c.pysam.c
-samtools/kaln.h
-samtools/kprobaln.c
-samtools/kprobaln.c.pysam.c
-samtools/kprobaln.h
-samtools/padding.c.pysam.c
-samtools/phase.c.pysam.c
-samtools/pysam.h
-samtools/sam.c.pysam.c
-samtools/sam.h
-samtools/sam_header.c.pysam.c
-samtools/sam_header.h
-samtools/sam_view.c.pysam.c
-samtools/sample.c.pysam.c
-samtools/sample.h
-samtools/samtools.h
-samtools/stats.c.pysam.c
-samtools/stats_isize.c.pysam.c
-samtools/stats_isize.h
-samtools/version.h
-samtools/misc/ace2sam.c.pysam.c
-samtools/misc/md5.c.pysam.c
-samtools/misc/md5.h
-samtools/test/test.c.pysam.c
-samtools/test/test.h
-samtools/win32/xcurses.h
-samtools/win32/zconf.h
-samtools/win32/zlib.h
-tests/00README.txt
\ No newline at end of file
diff --git a/pysam.egg-info/dependency_links.txt b/pysam.egg-info/dependency_links.txt
deleted file mode 100644
index 8b13789..0000000
--- a/pysam.egg-info/dependency_links.txt
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/pysam.egg-info/not-zip-safe b/pysam.egg-info/not-zip-safe
deleted file mode 100644
index 8b13789..0000000
--- a/pysam.egg-info/not-zip-safe
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/pysam.egg-info/top_level.txt b/pysam.egg-info/top_level.txt
deleted file mode 100644
index 23f03da..0000000
--- a/pysam.egg-info/top_level.txt
+++ /dev/null
@@ -1 +0,0 @@
-pysam
diff --git a/pysam/TabProxies.c b/pysam/TabProxies.c
deleted file mode 100644
index 06ef6b0..0000000
--- a/pysam/TabProxies.c
+++ /dev/null
@@ -1,14076 +0,0 @@
-/* Generated by Cython 0.20.1 on Fri Nov 21 19:49:04 2014 */
-
-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02040000
-    #error Cython requires Python 2.4+.
-#else
-#define CYTHON_ABI "0_20_1"
-#include <stddef.h> /* For offsetof */
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-#define Py_OptimizeFlag 0
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-#if PY_VERSION_HEX < 0x02050000
-  typedef int Py_ssize_t;
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-  #define PY_SSIZE_T_MIN INT_MIN
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-  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
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-                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
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-  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
-                                  !PyComplex_Check(o))
-  #define PyIndex_Check __Pyx_PyIndex_Check
-  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
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-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyClass_Type
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-  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyType_Type
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-#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
-  #define Py_TPFLAGS_HAVE_FINALIZE 0
-#endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
-  #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
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-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
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-  #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyBytesObject                PyStringObject
-  #define PyBytes_Type                 PyString_Type
-  #define PyBytes_Check                PyString_Check
-  #define PyBytes_CheckExact           PyString_CheckExact
-  #define PyBytes_FromString           PyString_FromString
-  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
-  #define PyBytes_FromFormat           PyString_FromFormat
-  #define PyBytes_DecodeEscape         PyString_DecodeEscape
-  #define PyBytes_AsString             PyString_AsString
-  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
-  #define PyBytes_Size                 PyString_Size
-  #define PyBytes_AS_STRING            PyString_AS_STRING
-  #define PyBytes_GET_SIZE             PyString_GET_SIZE
-  #define PyBytes_Repr                 PyString_Repr
-  #define PyBytes_Concat               PyString_Concat
-  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
-                                         PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
-  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
-#endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
-  #define PyInt_AsSsize_t              PyLong_AsSsize_t
-  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
-  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
-  #define PyNumber_Int                 PyNumber_Long
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
-#endif
-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
-  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
-#else
-  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
-  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
-  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
-#else
-  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
-  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
-#else
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_NAMESTR(n) ((char *)(n))
-  #define __Pyx_DOCSTR(n)  ((char *)(n))
-#else
-  #define __Pyx_NAMESTR(n) (n)
-  #define __Pyx_DOCSTR(n)  (n)
-#endif
-#ifndef CYTHON_INLINE
-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
-  #else
-    #define CYTHON_RESTRICT
-  #endif
-#endif
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-
-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-#define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#define __PYX_HAVE__pysam__TabProxies
-#define __PYX_HAVE_API__pysam__TabProxies
-#include "stdlib.h"
-#include "string.h"
-#include "stdint.h"
-#include "stdio.h"
-#include "pythread.h"
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#ifdef PYREX_WITHOUT_ASSERTIONS
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-#ifndef CYTHON_UNUSED
-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
-#   else
-#     define CYTHON_UNUSED
-#   endif
-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
-    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "TabProxies.pyx",
-  "type.pxd",
-  "bool.pxd",
-  "complex.pxd",
-};
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5pysam_10TabProxies_TupleProxy;
-struct __pyx_obj_5pysam_10TabProxies_GTFProxy;
-struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy;
-struct __pyx_obj_5pysam_10TabProxies_BedProxy;
-struct __pyx_obj_5pysam_10TabProxies_VCFProxy;
-struct __pyx_opt_args_5pysam_10TabProxies__force_bytes;
-struct __pyx_opt_args_5pysam_10TabProxies__charptr_to_str;
-struct __pyx_opt_args_5pysam_10TabProxies__force_str;
-
-/* "pysam/TabProxies.pyx":26
- *     _FILENAME_ENCODING = 'ascii'
- * 
- * cdef bytes _force_bytes(object s, encoding="ascii"):             # <<<<<<<<<<<<<<
- *     u"""convert string or unicode object to bytes, assuming ascii encoding.
- *     """
- */
-struct __pyx_opt_args_5pysam_10TabProxies__force_bytes {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "pysam/TabProxies.pyx":43
- *     return _force_bytes(s)
- * 
- * cdef _charptr_to_str(char* s, encoding="ascii"):             # <<<<<<<<<<<<<<
- *     if PY_MAJOR_VERSION < 3:
- *         return s
- */
-struct __pyx_opt_args_5pysam_10TabProxies__charptr_to_str {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "pysam/TabProxies.pyx":49
- *         return s.decode(encoding)
- * 
- * cdef inline _force_str(object s, encoding="ascii"):             # <<<<<<<<<<<<<<
- *     """Return s converted to str type of current Python "
- *     "(bytes in Py2, unicode in Py3)"""
- */
-struct __pyx_opt_args_5pysam_10TabProxies__force_str {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "pysam/TabProxies.pxd":41
- *   ctypedef int uint64_t
- * 
- * cdef class TupleProxy:             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_TupleProxy {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy *__pyx_vtab;
-  char *data;
-  char **fields;
-  int nfields;
-  int index;
-  int nbytes;
-  int offset;
-  int is_modified;
-  PyObject *encoding;
-};
-
-
-/* "pysam/TabProxies.pxd":63
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class GTFProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_GTFProxy {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-  char *_attributes;
-  int hasOwnAttributes;
-};
-
-
-/* "pysam/TabProxies.pxd":73
- *     cdef char * getAttributes( self )
- * 
- * cdef class NamedTupleProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-};
-
-
-/* "pysam/TabProxies.pxd":76
- *     pass
- * 
- * cdef class BedProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
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-/* Module declarations from 'cpython.set' */
-
-/* Module declarations from 'cpython.buffer' */
-
-/* Module declarations from 'cpython.bytes' */
-
-/* Module declarations from 'cpython.pycapsule' */
-
-/* Module declarations from 'cpython' */
-
-/* Module declarations from 'pysam.TabProxies' */
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_TupleProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_GTFProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_NamedTupleProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_BedProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_VCFProxy = 0;
-static PyObject *__pyx_v_5pysam_10TabProxies__FILENAME_ENCODING = 0;
-static PyObject *__pyx_f_5pysam_10TabProxies__force_bytes(PyObject *, struct __pyx_opt_args_5pysam_10TabProxies__force_bytes *__pyx_optional_args); /*proto*/
-static CYTHON_INLINE PyObject *__pyx_f_5pysam_10TabProxies__force_str(PyObject *, struct __pyx_opt_args_5pysam_10TabProxies__force_str *__pyx_optional_args); /*proto*/
-static char *__pyx_f_5pysam_10TabProxies_StrOrEmpty(char *); /*proto*/
-static int __pyx_f_5pysam_10TabProxies_isNew(char *, char *, size_t); /*proto*/
-#define __Pyx_MODULE_NAME "pysam.TabProxies"
-int __pyx_module_is_main_pysam__TabProxies = 0;
-
-/* Implementation of 'pysam.TabProxies' */
-static PyObject *__pyx_builtin_TypeError;
-static PyObject *__pyx_builtin_ValueError;
-static PyObject *__pyx_builtin_IndexError;
-static PyObject *__pyx_builtin_range;
-static PyObject *__pyx_builtin_StopIteration;
-static PyObject *__pyx_builtin_xrange;
-static PyObject *__pyx_builtin_AttributeError;
-static PyObject *__pyx_builtin_KeyError;
-static int __pyx_pf_5pysam_10TabProxies_10TupleProxy___cinit__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self, PyObject *__pyx_v_encoding); /* proto */
-static void __pyx_pf_5pysam_10TabProxies_10TupleProxy_2__dealloc__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_10TupleProxy_4_getindex(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self, int __pyx_v_index); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_10TupleProxy_6__getitem__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self, PyObject *__pyx_v_key); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_10TupleProxy_8_setindex(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_10TupleProxy_10__setitem__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto */
-static Py_ssize_t __pyx_pf_5pysam_10TabProxies_10TupleProxy_12__len__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_10TupleProxy_14__iter__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_10TupleProxy_16__next__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_10TupleProxy_18__str__(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_toDot(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_v); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_2quote(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_v); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy___cinit__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static void __pyx_pf_5pysam_10TabProxies_8GTFProxy_2__dealloc__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_6contig___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_6contig_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_6source___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_6source_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_7feature___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_7feature_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_5start___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_5start_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_3end___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_3end_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_5score___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_5score_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_6strand___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_6strand_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_5frame___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_5frame_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_10attributes___get__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8GTFProxy_10attributes_2__set__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_4asDict(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_6fromDict(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_d); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_8__str__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_10invert(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, int __pyx_v_lcontig); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_12keys(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_14__getitem__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_key); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_16__getattr__(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_item); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8GTFProxy_18setAttribute(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *__pyx_v_self, PyObject *__pyx_v_name, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_15NamedTupleProxy___setattr__(struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_15NamedTupleProxy_2__getattr__(struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy *__pyx_v_self, PyObject *__pyx_v_key); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8BedProxy___str__(struct __pyx_obj_5pysam_10TabProxies_BedProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8BedProxy_2__setattr__(struct __pyx_obj_5pysam_10TabProxies_BedProxy *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8VCFProxy___cinit__(struct __pyx_obj_5pysam_10TabProxies_VCFProxy *__pyx_v_self); /* proto */
-static Py_ssize_t __pyx_pf_5pysam_10TabProxies_8VCFProxy_2__len__(struct __pyx_obj_5pysam_10TabProxies_VCFProxy *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_10TabProxies_8VCFProxy_3pos___get__(struct __pyx_obj_5pysam_10TabProxies_VCFProxy *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_10TabProxies_8VCFProxy_4__setattr__(struct __pyx_obj_5pysam_10TabProxies_VCFProxy *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_TupleProxy(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_GTFProxy(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_NamedTupleProxy(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_BedProxy(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_VCFProxy(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static char __pyx_k_[] = "";
-static char __pyx_k_s[] = "\"%s\"";
-static char __pyx_k_v[] = "v";
-static char __pyx_k__8[] = "\t";
-static char __pyx_k_id[] = "id";
-static char __pyx_k__10[] = ".";
-static char __pyx_k__20[] = ";";
-static char __pyx_k__23[] = " ";
-static char __pyx_k__24[] = "\"";
-static char __pyx_k__26[] = "; ";
-static char __pyx_k__28[] = "-";
-static char __pyx_k_alt[] = "alt";
-static char __pyx_k_end[] = "end";
-static char __pyx_k_pos[] = "pos";
-static char __pyx_k_ref[] = "ref";
-static char __pyx_k_s_s[] = "%s \"%s\"";
-static char __pyx_k_str[] = "__str__";
-static char __pyx_k_sys[] = "sys";
-static char __pyx_k_info[] = "info";
-static char __pyx_k_join[] = "join";
-static char __pyx_k_main[] = "__main__";
-static char __pyx_k_name[] = "name";
-static char __pyx_k_qual[] = "qual";
-static char __pyx_k_test[] = "__test__";
-static char __pyx_k_ascii[] = "ascii";
-static char __pyx_k_frame[] = "frame";
-static char __pyx_k_index[] = "index";
-static char __pyx_k_items[] = "items";
-static char __pyx_k_quote[] = "quote";
-static char __pyx_k_range[] = "range";
-static char __pyx_k_s_s_2[] = "%s %s";
-static char __pyx_k_score[] = "score";
-static char __pyx_k_split[] = "split";
-static char __pyx_k_start[] = "start";
-static char __pyx_k_strip[] = "strip";
-static char __pyx_k_toDot[] = "toDot";
-static char __pyx_k_types[] = "types";
-static char __pyx_k_value[] = "value";
-static char __pyx_k_append[] = "append";
-static char __pyx_k_asDict[] = "asDict";
-static char __pyx_k_contig[] = "contig";
-static char __pyx_k_decode[] = "decode";
-static char __pyx_k_encode[] = "encode";
-static char __pyx_k_filter[] = "filter";
-static char __pyx_k_format[] = "format";
-static char __pyx_k_import[] = "__import__";
-static char __pyx_k_source[] = "source";
-static char __pyx_k_strand[] = "strand";
-static char __pyx_k_string[] = "string";
-static char __pyx_k_xrange[] = "xrange";
-static char __pyx_k_feature[] = "feature";
-static char __pyx_k_getattr[] = "__getattr__";
-static char __pyx_k_indices[] = "indices";
-static char __pyx_k_itemRGB[] = "itemRGB";
-static char __pyx_k_setitem[] = "__setitem__";
-static char __pyx_k_KeyError[] = "KeyError";
-static char __pyx_k_encoding[] = "encoding";
-static char __pyx_k_fromDict[] = "fromDict";
-static char __pyx_k_getindex[] = "_getindex";
-static char __pyx_k_maxsplit[] = "maxsplit";
-static char __pyx_k_setindex[] = "_setindex";
-static char __pyx_k_thickEnd[] = "thickEnd";
-static char __pyx_k_TypeError[] = "TypeError";
-static char __pyx_k_IndexError[] = "IndexError";
-static char __pyx_k_ValueError[] = "ValueError";
-static char __pyx_k_attributes[] = "attributes";
-static char __pyx_k_blockCount[] = "blockCount";
-static char __pyx_k_blockSizes[] = "blockSizes";
-static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
-static char __pyx_k_thickStart[] = "thickStart";
-static char __pyx_k_StringTypes[] = "StringTypes";
-static char __pyx_k_blockStarts[] = "blockStarts";
-static char __pyx_k_feature_name[] = "feature name.";
-static char __pyx_k_StopIteration[] = "StopIteration";
-static char __pyx_k_feature_frame[] = "feature frame.";
-static char __pyx_k_feature_score[] = "feature score.";
-static char __pyx_k_map_key2field[] = "map_key2field";
-static char __pyx_k_out_of_memory[] = "out of memory";
-static char __pyx_k_AttributeError[] = "AttributeError";
-static char __pyx_k_feature_source[] = "feature source.";
-static char __pyx_k_feature_strand[] = "feature strand.";
-static char __pyx_k_field_s_not_set[] = "field %s not set";
-static char __pyx_k_pysam_TabProxies[] = "pysam.TabProxies";
-static char __pyx_k_contig_of_feature[] = "contig of feature.";
-static char __pyx_k_getdefaultencoding[] = "getdefaultencoding";
-static char __pyx_k_incomplete_line_at_s[] = "incomplete line at %s";
-static char __pyx_k_getfilesystemencoding[] = "getfilesystemencoding";
-static char __pyx_k_list_index_out_of_range[] = "list index out of range";
-static char __pyx_k_malformatted_entry_at_s[] = "malformatted entry at %s";
-static char __pyx_k_GTFProxy_has_no_attribute_s[] = "'GTFProxy' has no attribute '%s'";
-static char __pyx_k_list_index_out_of_range_i_i[] = "list index out of range %i >= %i";
-static char __pyx_k_feature_attributes_as_a_string[] = "feature attributes (as a string).";
-static char __pyx_k_home_andreas_devel_pysam_pysam[] = "/home/andreas/devel/pysam/pysam/TabProxies.pyx";
-static char __pyx_k_Argument_must_be_string_bytes_or[] = "Argument must be string, bytes or unicode.";
-static char __pyx_k_bed_format_requires_at_least_thr[] = "bed format requires at least three columns";
-static char __pyx_k_feature_end_in_0_based_open_clos[] = "feature end (in 0-based open/closed coordinates).";
-static char __pyx_k_feature_start_in_0_based_open_cl[] = "feature start (in 0-based open/closed coordinates).";
-static char __pyx_k_length_of_buffer_i_number_of_byt[] = "length of buffer (%i) != number of bytes (%i)";
-static char __pyx_k_out_of_memory_in_TupleProxy_copy[] = "out of memory in TupleProxy.copy()";
-static char __pyx_k_out_of_memory_in_TupleProxy_upda[] = "out of memory in TupleProxy.update()";
-static char __pyx_k_parsing_error_fewer_that_i_field[] = "parsing error: fewer that %i fields in line: %s";
-static char __pyx_k_parsing_error_more_than_i_fields[] = "parsing error: more than %i fields in line: %s";
-static PyObject *__pyx_kp_s_;
-static PyObject *__pyx_kp_u_Argument_must_be_string_bytes_or;
-static PyObject *__pyx_n_s_AttributeError;
-static PyObject *__pyx_kp_s_GTFProxy_has_no_attribute_s;
-static PyObject *__pyx_n_s_IndexError;
-static PyObject *__pyx_n_s_KeyError;
-static PyObject *__pyx_n_s_StopIteration;
-static PyObject *__pyx_n_s_StringTypes;
-static PyObject *__pyx_n_s_TypeError;
-static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_kp_s__10;
-static PyObject *__pyx_kp_s__20;
-static PyObject *__pyx_kp_s__23;
-static PyObject *__pyx_kp_s__24;
-static PyObject *__pyx_kp_s__26;
-static PyObject *__pyx_kp_s__28;
-static PyObject *__pyx_kp_s__8;
-static PyObject *__pyx_n_s_alt;
-static PyObject *__pyx_n_s_append;
-static PyObject *__pyx_n_s_asDict;
-static PyObject *__pyx_n_s_ascii;
-static PyObject *__pyx_n_s_attributes;
-static PyObject *__pyx_kp_s_bed_format_requires_at_least_thr;
-static PyObject *__pyx_n_s_blockCount;
-static PyObject *__pyx_n_s_blockSizes;
-static PyObject *__pyx_n_s_blockStarts;
-static PyObject *__pyx_n_s_contig;
-static PyObject *__pyx_n_s_decode;
-static PyObject *__pyx_n_s_encode;
-static PyObject *__pyx_n_s_encoding;
-static PyObject *__pyx_n_s_end;
-static PyObject *__pyx_n_s_feature;
-static PyObject *__pyx_kp_s_field_s_not_set;
-static PyObject *__pyx_n_s_filter;
-static PyObject *__pyx_n_s_format;
-static PyObject *__pyx_n_s_frame;
-static PyObject *__pyx_n_s_fromDict;
-static PyObject *__pyx_n_s_getattr;
-static PyObject *__pyx_n_s_getdefaultencoding;
-static PyObject *__pyx_n_s_getfilesystemencoding;
-static PyObject *__pyx_n_s_getindex;
-static PyObject *__pyx_kp_s_home_andreas_devel_pysam_pysam;
-static PyObject *__pyx_n_s_id;
-static PyObject *__pyx_n_s_import;
-static PyObject *__pyx_kp_s_incomplete_line_at_s;
-static PyObject *__pyx_n_s_index;
-static PyObject *__pyx_n_s_indices;
-static PyObject *__pyx_n_s_info;
-static PyObject *__pyx_n_s_itemRGB;
-static PyObject *__pyx_n_s_items;
-static PyObject *__pyx_n_s_join;
-static PyObject *__pyx_kp_s_length_of_buffer_i_number_of_byt;
-static PyObject *__pyx_kp_s_list_index_out_of_range;
-static PyObject *__pyx_kp_s_list_index_out_of_range_i_i;
-static PyObject *__pyx_n_s_main;
-static PyObject *__pyx_kp_s_malformatted_entry_at_s;
-static PyObject *__pyx_n_s_map_key2field;
-static PyObject *__pyx_n_s_maxsplit;
-static PyObject *__pyx_n_s_name;
-static PyObject *__pyx_kp_s_out_of_memory;
-static PyObject *__pyx_kp_s_out_of_memory_in_TupleProxy_copy;
-static PyObject *__pyx_kp_s_out_of_memory_in_TupleProxy_upda;
-static PyObject *__pyx_kp_s_parsing_error_fewer_that_i_field;
-static PyObject *__pyx_kp_s_parsing_error_more_than_i_fields;
-static PyObject *__pyx_n_s_pos;
-static PyObject *__pyx_n_s_pysam_TabProxies;
-static PyObject *__pyx_n_s_pyx_vtable;
-static PyObject *__pyx_n_s_qual;
-static PyObject *__pyx_n_s_quote;
-static PyObject *__pyx_n_s_range;
-static PyObject *__pyx_n_s_ref;
-static PyObject *__pyx_kp_s_s;
-static PyObject *__pyx_kp_s_s_s;
-static PyObject *__pyx_kp_s_s_s_2;
-static PyObject *__pyx_n_s_score;
-static PyObject *__pyx_n_s_setindex;
-static PyObject *__pyx_n_s_setitem;
-static PyObject *__pyx_n_s_source;
-static PyObject *__pyx_n_s_split;
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-
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_TupleProxy(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy *p;
-  PyObject *o;
-  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
-    o = (*t->tp_alloc)(t, 0);
-  } else {
-    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
-  }
-  if (unlikely(!o)) return 0;
-  p = ((struct __pyx_obj_5pysam_10TabProxies_TupleProxy *)o);
-  p->__pyx_vtab = __pyx_vtabptr_5pysam_10TabProxies_TupleProxy;
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  if (unlikely(__pyx_pw_5pysam_10TabProxies_10TupleProxy_1__cinit__(o, a, k) < 0)) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_5pysam_10TabProxies_TupleProxy(PyObject *o) {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy *p = (struct __pyx_obj_5pysam_10TabProxies_TupleProxy *)o;
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
-  }
-  #endif
-  PyObject_GC_UnTrack(o);
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_5pysam_10TabProxies_10TupleProxy_3__dealloc__(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  Py_CLEAR(p->encoding);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_5pysam_10TabProxies_TupleProxy(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy *p = (struct __pyx_obj_5pysam_10TabProxies_TupleProxy *)o;
-  if (p->encoding) {
-    e = (*v)(p->encoding, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_5pysam_10TabProxies_TupleProxy(PyObject *o) {
-  PyObject* tmp;
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy *p = (struct __pyx_obj_5pysam_10TabProxies_TupleProxy *)o;
-  tmp = ((PyObject*)p->encoding);
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-static PyObject *__pyx_sq_item_5pysam_10TabProxies_TupleProxy(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
-}
-
-static int __pyx_mp_ass_subscript_5pysam_10TabProxies_TupleProxy(PyObject *o, PyObject *i, PyObject *v) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_10TupleProxy_11__setitem__(o, i, v);
-  }
-  else {
-    PyErr_Format(PyExc_NotImplementedError,
-      "Subscript deletion not supported by %.200s", Py_TYPE(o)->tp_name);
-    return -1;
-  }
-}
-
-static PyMethodDef __pyx_methods_5pysam_10TabProxies_TupleProxy[] = {
-  {__Pyx_NAMESTR("_getindex"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_10TupleProxy_5_getindex, METH_O, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_10TupleProxy_4_getindex)},
-  {__Pyx_NAMESTR("_setindex"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_10TupleProxy_9_setindex, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_10TupleProxy_8_setindex)},
-  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_10TupleProxy_17__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_10TupleProxy_16__next__)},
-  {0, 0, 0, 0}
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_TupleProxy = {
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_13__len__, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_5pysam_10TabProxies_TupleProxy, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_TupleProxy = {
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_13__len__, /*mp_length*/
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_7__getitem__, /*mp_subscript*/
-  __pyx_mp_ass_subscript_5pysam_10TabProxies_TupleProxy, /*mp_ass_subscript*/
-};
-
-static PyTypeObject __pyx_type_5pysam_10TabProxies_TupleProxy = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("pysam.TabProxies.TupleProxy"), /*tp_name*/
-  sizeof(struct __pyx_obj_5pysam_10TabProxies_TupleProxy), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5pysam_10TabProxies_TupleProxy, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  0, /*tp_as_number*/
-  &__pyx_tp_as_sequence_TupleProxy, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_TupleProxy, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_19__str__, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  0, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  __Pyx_DOCSTR("Proxy class for access to parsed row as a tuple.\n\n    This class represents a table row for fast read-access.\n\n    Access to individual fields is via the [] operator.\n    \n    Only read-only access is implemented.\n\n    "), /*tp_doc*/
-  __pyx_tp_traverse_5pysam_10TabProxies_TupleProxy, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_10TabProxies_TupleProxy, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_15__iter__, /*tp_iter*/
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_17__next__, /*tp_iternext*/
-  __pyx_methods_5pysam_10TabProxies_TupleProxy, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_10TabProxies_TupleProxy, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-  #if PY_VERSION_HEX >= 0x030400a1
-  0, /*tp_finalize*/
-  #endif
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_GTFProxy __pyx_vtable_5pysam_10TabProxies_GTFProxy;
-
-static PyObject *__pyx_tp_new_5pysam_10TabProxies_GTFProxy(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_5pysam_10TabProxies_GTFProxy *p;
-  PyObject *o = __pyx_tp_new_5pysam_10TabProxies_TupleProxy(t, a, k);
-  if (unlikely(!o)) return 0;
-  p = ((struct __pyx_obj_5pysam_10TabProxies_GTFProxy *)o);
-  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy*)__pyx_vtabptr_5pysam_10TabProxies_GTFProxy;
-  if (unlikely(__pyx_pw_5pysam_10TabProxies_8GTFProxy_1__cinit__(o, __pyx_empty_tuple, NULL) < 0)) {
-    Py_DECREF(o); o = 0;
-  }
-  return o;
-}
-
-static void __pyx_tp_dealloc_5pysam_10TabProxies_GTFProxy(PyObject *o) {
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
-  }
-  #endif
-  PyObject_GC_UnTrack(o);
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_5pysam_10TabProxies_8GTFProxy_3__dealloc__(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
-  PyObject_GC_Track(o);
-  __pyx_tp_dealloc_5pysam_10TabProxies_TupleProxy(o);
-}
-static PyObject *__pyx_sq_item_5pysam_10TabProxies_GTFProxy(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
-}
-
-static PyObject *__pyx_tp_getattro_5pysam_10TabProxies_GTFProxy(PyObject *o, PyObject *n) {
-  PyObject *v = PyObject_GenericGetAttr(o, n);
-  if (!v && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-    PyErr_Clear();
-    v = __pyx_pw_5pysam_10TabProxies_8GTFProxy_17__getattr__(o, n);
-  }
-  return v;
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_contig(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_6contig_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_contig(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_6contig_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_source(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_6source_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_source(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_6source_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_feature(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_7feature_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_feature(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_7feature_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_start(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_5start_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_start(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_5start_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_end(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_3end_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_end(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_3end_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_score(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_5score_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_score(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_5score_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_strand(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_6strand_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_strand(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_6strand_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_frame(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_5frame_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_frame(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_5frame_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_5pysam_10TabProxies_8GTFProxy_attributes(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_10TabProxies_8GTFProxy_10attributes_1__get__(o);
-}
-
-static int __pyx_setprop_5pysam_10TabProxies_8GTFProxy_attributes(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
-  if (v) {
-    return __pyx_pw_5pysam_10TabProxies_8GTFProxy_10attributes_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyMethodDef __pyx_methods_5pysam_10TabProxies_GTFProxy[] = {
-  {__Pyx_NAMESTR("asDict"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_8GTFProxy_5asDict, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_8GTFProxy_4asDict)},
-  {__Pyx_NAMESTR("fromDict"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_8GTFProxy_7fromDict, METH_O, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_8GTFProxy_6fromDict)},
-  {__Pyx_NAMESTR("invert"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_8GTFProxy_11invert, METH_O, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_8GTFProxy_10invert)},
-  {__Pyx_NAMESTR("keys"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_8GTFProxy_13keys, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_8GTFProxy_12keys)},
-  {__Pyx_NAMESTR("__getattr__"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_8GTFProxy_17__getattr__, METH_O|METH_COEXIST, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_8GTFProxy_16__getattr__)},
-  {__Pyx_NAMESTR("setAttribute"), (PyCFunction)__pyx_pw_5pysam_10TabProxies_8GTFProxy_19setAttribute, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_5pysam_10TabProxies_8GTFProxy_18setAttribute)},
-  {0, 0, 0, 0}
-};
-
-static struct PyGetSetDef __pyx_getsets_5pysam_10TabProxies_GTFProxy[] = {
-  {(char *)"contig", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_contig, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_contig, __Pyx_DOCSTR(__pyx_k_contig_of_feature), 0},
-  {(char *)"source", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_source, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_source, __Pyx_DOCSTR(__pyx_k_feature_source), 0},
-  {(char *)"feature", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_feature, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_feature, __Pyx_DOCSTR(__pyx_k_feature_name), 0},
-  {(char *)"start", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_start, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_start, __Pyx_DOCSTR(__pyx_k_feature_start_in_0_based_open_cl), 0},
-  {(char *)"end", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_end, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_end, __Pyx_DOCSTR(__pyx_k_feature_end_in_0_based_open_clos), 0},
-  {(char *)"score", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_score, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_score, __Pyx_DOCSTR(__pyx_k_feature_score), 0},
-  {(char *)"strand", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_strand, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_strand, __Pyx_DOCSTR(__pyx_k_feature_strand), 0},
-  {(char *)"frame", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_frame, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_frame, __Pyx_DOCSTR(__pyx_k_feature_frame), 0},
-  {(char *)"attributes", __pyx_getprop_5pysam_10TabProxies_8GTFProxy_attributes, __pyx_setprop_5pysam_10TabProxies_8GTFProxy_attributes, __Pyx_DOCSTR(__pyx_k_feature_attributes_as_a_string), 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_GTFProxy = {
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_13__len__, /*sq_length*/
-  #else
-  0, /*sq_length*/
-  #endif
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  __pyx_sq_item_5pysam_10TabProxies_GTFProxy, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_GTFProxy = {
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_13__len__, /*mp_length*/
-  #else
-  0, /*mp_length*/
-  #endif
-  __pyx_pw_5pysam_10TabProxies_8GTFProxy_15__getitem__, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyTypeObject __pyx_type_5pysam_10TabProxies_GTFProxy = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("pysam.TabProxies.GTFProxy"), /*tp_name*/
-  sizeof(struct __pyx_obj_5pysam_10TabProxies_GTFProxy), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5pysam_10TabProxies_GTFProxy, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  0, /*tp_as_number*/
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-  &__pyx_tp_as_mapping_GTFProxy, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  __pyx_pw_5pysam_10TabProxies_8GTFProxy_9__str__, /*tp_str*/
-  __pyx_tp_getattro_5pysam_10TabProxies_GTFProxy, /*tp_getattro*/
-  0, /*tp_setattro*/
-  0, /*tp_as_buffer*/
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-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_10TabProxies_10TupleProxy_15__iter__, /*tp_iter*/
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-  0, /*tp_weaklistoffset*/
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-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#endif
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
-    if (likely(PyList_CheckExact(L))) {
-        if (unlikely(__Pyx_PyList_Append(L, x) < 0)) return -1;
-    } else {
-        PyObject* retval = __Pyx_PyObject_CallMethod1(L, __pyx_n_s_append, x);
-        if (unlikely(!retval))
-            return -1;
-        Py_DECREF(retval);
-    }
-    return 0;
-}
-
-#if !CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyBytes_Join(PyObject* sep, PyObject* values) {
-    return PyObject_CallMethodObjArgs(sep, __pyx_n_s_join, values, NULL)
-}
-#endif
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (result) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
-    PyObject *kwdict,
-    const char* function_name,
-    int kw_allowed)
-{
-    PyObject* key = 0;
-    Py_ssize_t pos = 0;
-#if CPYTHON_COMPILING_IN_PYPY
-    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
-        goto invalid_keyword;
-    return 1;
-#else
-    while (PyDict_Next(kwdict, &pos, &key, 0)) {
-        #if PY_MAJOR_VERSION < 3
-        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
-        #endif
-            if (unlikely(!PyUnicode_Check(key)))
-                goto invalid_keyword_type;
-    }
-    if ((!kw_allowed) && unlikely(key))
-        goto invalid_keyword;
-    return 1;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    return 0;
-#endif
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-    return 0;
-}
-
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-#endif
-}
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
-#endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
-#if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
-            return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
-#endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        #if CYTHON_PEP393_ENABLED
-        if (unlikely(PyUnicode_READY(s1) < 0) || unlikely(PyUnicode_READY(s2) < 0))
-            return -1;
-        #endif
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
-        }
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, length * kind);
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_NE);
-#endif
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return NULL;
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static double __Pyx__PyObject_AsDouble(PyObject* obj) {
-    PyObject* float_value;
-#if CYTHON_COMPILING_IN_PYPY
-    float_value = PyNumber_Float(obj);
-#else
-    PyNumberMethods *nb = Py_TYPE(obj)->tp_as_number;
-    if (likely(nb) && likely(nb->nb_float)) {
-        float_value = nb->nb_float(obj);
-        if (likely(float_value) && unlikely(!PyFloat_Check(float_value))) {
-            PyErr_Format(PyExc_TypeError,
-                "__float__ returned non-float (type %.200s)",
-                Py_TYPE(float_value)->tp_name);
-            Py_DECREF(float_value);
-            goto bad;
-        }
-    } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
-#if PY_MAJOR_VERSION >= 3
-        float_value = PyFloat_FromString(obj);
-#else
-        float_value = PyFloat_FromString(obj, 0);
-#endif
-    } else {
-        PyObject* args = PyTuple_New(1);
-        if (unlikely(!args)) goto bad;
-        PyTuple_SET_ITEM(args, 0, obj);
-        float_value = PyObject_Call((PyObject*)&PyFloat_Type, args, 0);
-        PyTuple_SET_ITEM(args, 0, 0);
-        Py_DECREF(args);
-    }
-#endif
-    if (likely(float_value)) {
-        double value = PyFloat_AS_DOUBLE(float_value);
-        Py_DECREF(float_value);
-        return value;
-    }
-bad:
-    return (double)-1;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
-        PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop,
-        PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
-        int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyMappingMethods* mp;
-#if PY_MAJOR_VERSION < 3
-    PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
-    if (likely(ms && ms->sq_slice)) {
-        if (!has_cstart) {
-            if (_py_start && (*_py_start != Py_None)) {
-                cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
-                if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
-            } else
-                cstart = 0;
-        }
-        if (!has_cstop) {
-            if (_py_stop && (*_py_stop != Py_None)) {
-                cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
-                if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
-            } else
-                cstop = PY_SSIZE_T_MAX;
-        }
-        if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
-            Py_ssize_t l = ms->sq_length(obj);
-            if (likely(l >= 0)) {
-                if (cstop < 0) {
-                    cstop += l;
-                    if (cstop < 0) cstop = 0;
-                }
-                if (cstart < 0) {
-                    cstart += l;
-                    if (cstart < 0) cstart = 0;
-                }
-            } else {
-                if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                    PyErr_Clear();
-                else
-                    goto bad;
-            }
-        }
-        return ms->sq_slice(obj, cstart, cstop);
-    }
-#endif
-    mp = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(mp && mp->mp_subscript))
-#endif
-    {
-        PyObject* result;
-        PyObject *py_slice, *py_start, *py_stop;
-        if (_py_slice) {
-            py_slice = *_py_slice;
-        } else {
-            PyObject* owned_start = NULL;
-            PyObject* owned_stop = NULL;
-            if (_py_start) {
-                py_start = *_py_start;
-            } else {
-                if (has_cstart) {
-                    owned_start = py_start = PyInt_FromSsize_t(cstart);
-                    if (unlikely(!py_start)) goto bad;
-                } else
-                    py_start = Py_None;
-            }
-            if (_py_stop) {
-                py_stop = *_py_stop;
-            } else {
-                if (has_cstop) {
-                    owned_stop = py_stop = PyInt_FromSsize_t(cstop);
-                    if (unlikely(!py_stop)) {
-                        Py_XDECREF(owned_start);
-                        goto bad;
-                    }
-                } else
-                    py_stop = Py_None;
-            }
-            py_slice = PySlice_New(py_start, py_stop, Py_None);
-            Py_XDECREF(owned_start);
-            Py_XDECREF(owned_stop);
-            if (unlikely(!py_slice)) goto bad;
-        }
-#if CYTHON_COMPILING_IN_CPYTHON
-        result = mp->mp_subscript(obj, py_slice);
-#else
-        result = PyObject_GetItem(obj, py_slice);
-#endif
-        if (!_py_slice) {
-            Py_DECREF(py_slice);
-        }
-        return result;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name);
-bad:
-    return NULL;
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE void __Pyx_crop_slice(Py_ssize_t* _start, Py_ssize_t* _stop, Py_ssize_t* _length) {
-    Py_ssize_t start = *_start, stop = *_stop, length = *_length;
-    if (start < 0) {
-        start += length;
-        if (start < 0)
-            start = 0;
-    }
-    if (stop < 0)
-        stop += length;
-    else if (stop > length)
-        stop = length;
-    *_length = stop - start;
-    *_start = start;
-    *_stop = stop;
-}
-static CYTHON_INLINE void __Pyx_copy_object_array(PyObject** CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
-    PyObject *v;
-    Py_ssize_t i;
-    for (i = 0; i < length; i++) {
-        v = dest[i] = src[i];
-        Py_INCREF(v);
-    }
-}
-static CYTHON_INLINE PyObject* __Pyx_PyList_GetSlice(
-            PyObject* src, Py_ssize_t start, Py_ssize_t stop) {
-    PyObject* dest;
-    Py_ssize_t length = PyList_GET_SIZE(src);
-    __Pyx_crop_slice(&start, &stop, &length);
-    if (unlikely(length <= 0))
-        return PyList_New(0);
-    dest = PyList_New(length);
-    if (unlikely(!dest))
-        return NULL;
-    __Pyx_copy_object_array(
-        ((PyListObject*)src)->ob_item + start,
-        ((PyListObject*)dest)->ob_item,
-        length);
-    return dest;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyTuple_GetSlice(
-            PyObject* src, Py_ssize_t start, Py_ssize_t stop) {
-    PyObject* dest;
-    Py_ssize_t length = PyTuple_GET_SIZE(src);
-    __Pyx_crop_slice(&start, &stop, &length);
-    if (unlikely(length <= 0))
-        return PyTuple_New(0);
-    dest = PyTuple_New(length);
-    if (unlikely(!dest))
-        return NULL;
-    __Pyx_copy_object_array(
-        ((PyTupleObject*)src)->ob_item + start,
-        ((PyTupleObject*)dest)->ob_item,
-        length);
-    return dest;
-}
-#endif
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-#else
-    PyErr_GetExcInfo(type, value, tb);
-#endif
-}
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(type, value, tb);
-#endif
-}
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *x) {
-    const uint32_t neg_one = (uint32_t) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(uint32_t) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(uint32_t, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to uint32_t");
-                return (uint32_t) -1;
-            }
-            return (uint32_t) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(uint32_t)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (uint32_t) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to uint32_t");
-                return (uint32_t) -1;
-            }
-            if (sizeof(uint32_t) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(uint32_t) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(uint32_t)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(uint32_t) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(uint32_t) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(uint32_t) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(uint32_t, long, PyLong_AsLong)
-            } else if (sizeof(uint32_t) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(uint32_t, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            uint32_t val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (uint32_t) -1;
-        }
-    } else {
-        uint32_t val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (uint32_t) -1;
-        val = __Pyx_PyInt_As_uint32_t(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value) {
-    const uint32_t neg_one = (uint32_t) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(uint32_t) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(uint32_t) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(uint32_t) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(uint32_t) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(uint32_t) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(uint32_t),
-                                     little, !is_unsigned);
-    }
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-  #if PY_VERSION_HEX < 0x02060000
-    return PyInt_AsSsize_t(b);
-  #else
-    return PyLong_AsSsize_t(b);
-  #endif
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/pysam/cfaidx.c b/pysam/cfaidx.c
deleted file mode 100644
index 80a55a2..0000000
--- a/pysam/cfaidx.c
+++ /dev/null
@@ -1,8717 +0,0 @@
-/* Generated by Cython 0.20.1 on Fri Nov 21 19:49:04 2014 */
-
-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02040000
-    #error Cython requires Python 2.4+.
-#else
-#define CYTHON_ABI "0_20_1"
-#include <stddef.h> /* For offsetof */
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-#define Py_OptimizeFlag 0
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  typedef int Py_ssize_t;
-  #define PY_SSIZE_T_MAX INT_MAX
-  #define PY_SSIZE_T_MIN INT_MIN
-  #define PY_FORMAT_SIZE_T ""
-  #define CYTHON_FORMAT_SSIZE_T ""
-  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
-  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
-  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
-                                (PyErr_Format(PyExc_TypeError, \
-                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
-                                 (PyObject*)0))
-  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
-                                  !PyComplex_Check(o))
-  #define PyIndex_Check __Pyx_PyIndex_Check
-  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
-  #define __PYX_BUILD_PY_SSIZE_T "i"
-#else
-  #define __PYX_BUILD_PY_SSIZE_T "n"
-  #define CYTHON_FORMAT_SSIZE_T "z"
-  #define __Pyx_PyIndex_Check PyIndex_Check
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
-  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
-  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
-  #define PyVarObject_HEAD_INIT(type, size) \
-          PyObject_HEAD_INIT(type) size,
-  #define PyType_Modified(t)
-  typedef struct {
-     void *buf;
-     PyObject *obj;
-     Py_ssize_t len;
-     Py_ssize_t itemsize;
-     int readonly;
-     int ndim;
-     char *format;
-     Py_ssize_t *shape;
-     Py_ssize_t *strides;
-     Py_ssize_t *suboffsets;
-     void *internal;
-  } Py_buffer;
-  #define PyBUF_SIMPLE 0
-  #define PyBUF_WRITABLE 0x0001
-  #define PyBUF_FORMAT 0x0004
-  #define PyBUF_ND 0x0008
-  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
-  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
-  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
-  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
-  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
-  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
-  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
-  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
-  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
-#endif
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyClass_Type
-#else
-  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyType_Type
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define Py_TPFLAGS_CHECKTYPES 0
-  #define Py_TPFLAGS_HAVE_INDEX 0
-#endif
-#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
-  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
-#endif
-#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
-  #define Py_TPFLAGS_IS_ABSTRACT 0
-#endif
-#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
-  #define Py_TPFLAGS_HAVE_FINALIZE 0
-#endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
-  #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-#else
-  #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyBytesObject                PyStringObject
-  #define PyBytes_Type                 PyString_Type
-  #define PyBytes_Check                PyString_Check
-  #define PyBytes_CheckExact           PyString_CheckExact
-  #define PyBytes_FromString           PyString_FromString
-  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
-  #define PyBytes_FromFormat           PyString_FromFormat
-  #define PyBytes_DecodeEscape         PyString_DecodeEscape
-  #define PyBytes_AsString             PyString_AsString
-  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
-  #define PyBytes_Size                 PyString_Size
-  #define PyBytes_AS_STRING            PyString_AS_STRING
-  #define PyBytes_GET_SIZE             PyString_GET_SIZE
-  #define PyBytes_Repr                 PyString_Repr
-  #define PyBytes_Concat               PyString_Concat
-  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
-                                         PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
-  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
-#endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
-  #define PyInt_AsSsize_t              PyLong_AsSsize_t
-  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
-  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
-  #define PyNumber_Int                 PyNumber_Long
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
-#endif
-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
-  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
-#else
-  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
-  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
-  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
-#else
-  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
-  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
-#else
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_NAMESTR(n) ((char *)(n))
-  #define __Pyx_DOCSTR(n)  ((char *)(n))
-#else
-  #define __Pyx_NAMESTR(n) (n)
-  #define __Pyx_DOCSTR(n)  (n)
-#endif
-#ifndef CYTHON_INLINE
-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
-  #else
-    #define CYTHON_RESTRICT
-  #endif
-#endif
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-
-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-#define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#define __PYX_HAVE__pysam__cfaidx
-#define __PYX_HAVE_API__pysam__cfaidx
-#include "stdint.h"
-#include "string.h"
-#include "stdlib.h"
-#include "stdio.h"
-#include "zlib.h"
-#include "htslib/kstring.h"
-#include "htslib/hfile.h"
-#include "htslib/bgzf.h"
-#include "htslib/hts.h"
-#include "htslib/sam.h"
-#include "pysam_stream.h"
-#include "htslib/faidx.h"
-#include "htslib/tbx.h"
-#include "pythread.h"
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#ifdef PYREX_WITHOUT_ASSERTIONS
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-#ifndef CYTHON_UNUSED
-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
-#   else
-#     define CYTHON_UNUSED
-#   endif
-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
-    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "cfaidx.pyx",
-  "type.pxd",
-  "bool.pxd",
-  "complex.pxd",
-};
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5pysam_6cfaidx_FastaFile;
-struct __pyx_obj_5pysam_6cfaidx_FastqProxy;
-struct __pyx_obj_5pysam_6cfaidx_FastqFile;
-struct __pyx_obj_5pysam_6cfaidx_Fastafile;
-struct __pyx_obj_5pysam_6cfaidx_Fastqfile;
-struct __pyx_obj_5pysam_6cfaidx___pyx_scope_struct___open;
-struct __pyx_obj_5pysam_6cfaidx___pyx_scope_struct_1_genexpr;
-struct __pyx_obj_5pysam_6cfaidx___pyx_scope_struct_2_genexpr;
-
-/* "pysam/cfaidx.pxd":14
- *         char *s
- * 
- * cdef class FastaFile:             # <<<<<<<<<<<<<<
- *     cdef object _filename, _references, _lengths, reference2length
- *     cdef faidx_t* fastafile
- */
-struct __pyx_obj_5pysam_6cfaidx_FastaFile {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6cfaidx_FastaFile *__pyx_vtab;
-  PyObject *_filename;
-  PyObject *_references;
-  PyObject *_lengths;
-  PyObject *reference2length;
-  faidx_t *fastafile;
-};
-
-
-/* "pysam/cfaidx.pxd":21
- * 
- * 
- * cdef class FastqProxy:             # <<<<<<<<<<<<<<
- *     cdef kseq_t * _delegate
- * 
- */
-struct __pyx_obj_5pysam_6cfaidx_FastqProxy {
-  PyObject_HEAD
-  kseq_t *_delegate;
-};
-
-
-/* "pysam/cfaidx.pxd":25
- * 
- * 
- * cdef class FastqFile:             # <<<<<<<<<<<<<<
- *     cdef object _filename
- *     cdef gzFile fastqfile
- */
-struct __pyx_obj_5pysam_6cfaidx_FastqFile {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6cfaidx_FastqFile *__pyx_vtab;
-  PyObject *_filename;
-  gzFile fastqfile;
-  kseq_t *entry;
-};
-
-
-/* "pysam/cfaidx.pxd":35
- * 
- * # Compatibility Layer for pysam < 0.8
- * cdef class Fastafile(FastaFile):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6cfaidx_Fastafile {
-  struct __pyx_obj_5pysam_6cfaidx_FastaFile __pyx_base;
-};
-
-
-/* "pysam/cfaidx.pxd":38
- *     pass
- * 
- * cdef class Fastqfile(FastqFile):             # <<<<<<<<<<<<<<
- *     pass
- */
-struct __pyx_obj_5pysam_6cfaidx_Fastqfile {
-  struct __pyx_obj_5pysam_6cfaidx_FastqFile __pyx_base;
-};
-
-
-/* "pysam/cfaidx.pyx":93
- *         return faidx_nseq(self.fastafile)
- * 
- *     def _open(self, filename):             # <<<<<<<<<<<<<<
- *         '''open an indexed fasta file.
- * 
- */
-struct __pyx_obj_5pysam_6cfaidx___pyx_scope_struct___open {
-  PyObject_HEAD
-  PyObject *__pyx_v_data;
-};
-
-
-/* "pysam/cfaidx.pyx":113
- *         with open( self._filename + b".fai" ) as inf:
- *             data = [ x.split("\t") for x in inf ]
- *             self._references = tuple(x[0] for x in data)             # <<<<<<<<<<<<<<
- *             self._lengths = tuple(int(x[1]) for x in data)
- *             self.reference2length = dict(zip(self._references, self._lengths))
- */
-struct __pyx_obj_5pysam_6cfaidx___pyx_scope_struct_1_genexpr {
-  PyObject_HEAD
-  struct __pyx_obj_5pysam_6cfaidx___pyx_scope_struct___open *__pyx_outer_scope;
-  PyObject *__pyx_v_x;
-  PyObject *__pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-};
-
-
-/* "pysam/cfaidx.pyx":114
- *             data = [ x.split("\t") for x in inf ]
- *             self._references = tuple(x[0] for x in data)
- *             self._lengths = tuple(int(x[1]) for x in data)             # <<<<<<<<<<<<<<
- *             self.reference2length = dict(zip(self._references, self._lengths))
- * 
- */
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-  #define __Pyx_TraceDeclarations
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-  #define __Pyx_TraceLine(lineno)                                                          \
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-static int __pyx_tp_traverse_5pysam_6cfaidx_FastqFile(PyObject *o, visitproc v, void *a) {
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-static int __pyx_tp_clear_5pysam_6cfaidx_FastqFile(PyObject *o) {
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-static PyObject *__pyx_getprop_5pysam_6cfaidx_9FastqFile_filename(PyObject *o, CYTHON_UNUSED void *x) {
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-static PyObject *__pyx_tp_new_5pysam_6cfaidx_Fastafile(PyTypeObject *t, PyObject *a, PyObject *k) {
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-  PyObject *o = __pyx_tp_new_5pysam_6cfaidx_FastaFile(t, a, k);
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-static PyTypeObject __pyx_type_5pysam_6cfaidx_Fastqfile = {
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-  0, /*tp_compare*/
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-  __pyx_tp_traverse_5pysam_6cfaidx_FastqFile, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6cfaidx_FastqFile, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6cfaidx_9FastqFile_11__iter__, /*tp_iter*/
-  #else
-  0, /*tp_iter*/
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-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6cfaidx_9FastqFile_13__next__, /*tp_iternext*/
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-        0,                /*int flags,*/
-        __pyx_empty_bytes,     /*PyObject *code,*/
-        __pyx_empty_tuple,     /*PyObject *consts,*/
-        __pyx_empty_tuple,     /*PyObject *names,*/
-        __pyx_empty_tuple,     /*PyObject *varnames,*/
-        __pyx_empty_tuple,     /*PyObject *freevars,*/
-        __pyx_empty_tuple,     /*PyObject *cellvars,*/
-        py_srcfile,       /*PyObject *filename,*/
-        py_funcname,      /*PyObject *name,*/
-        firstlineno,      /*int firstlineno,*/
-        __pyx_empty_bytes      /*PyObject *lnotab*/
-    );
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return py_code;
-}
-#endif /* CYTHON_PROFILE */
-
-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (likely(PyObject_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
-    return 0;
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-#endif
-    result = (*call)(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    Py_LeaveRecursiveCall();
-#endif
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_Restore(type, value, tb);
-#endif
-}
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    #if PY_VERSION_HEX < 0x02050000
-    if (PyClass_Check(type)) {
-    #else
-    if (PyType_Check(type)) {
-    #endif
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyInstance_Check(type)) {
-            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-            Py_INCREF(type);
-        } else {
-            type = 0;
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception must be an old-style class or instance");
-            goto raise_error;
-        }
-        #else
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-        #endif
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else /* Python 3+ */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
-    PyObject *kwdict,
-    const char* function_name,
-    int kw_allowed)
-{
-    PyObject* key = 0;
-    Py_ssize_t pos = 0;
-#if CPYTHON_COMPILING_IN_PYPY
-    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
-        goto invalid_keyword;
-    return 1;
-#else
-    while (PyDict_Next(kwdict, &pos, &key, 0)) {
-        #if PY_MAJOR_VERSION < 3
-        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
-        #endif
-            if (unlikely(!PyUnicode_Check(key)))
-                goto invalid_keyword_type;
-    }
-    if ((!kw_allowed) && unlikely(key))
-        goto invalid_keyword;
-    return 1;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    return 0;
-#endif
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-    return 0;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) {
-    PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname);
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return NULL;
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (result) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-#else
-    PyErr_GetExcInfo(type, value, tb);
-#endif
-}
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(type, value, tb);
-#endif
-}
-
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (unlikely(tstate->curexc_type))
-#else
-    if (unlikely(PyErr_Occurred()))
-#endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
-    }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
-#endif
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
-                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
-                                  int full_traceback) {
-    PyObject *old_exc, *old_val, *old_tb;
-    PyObject *ctx;
-    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
-    if (full_traceback) {
-        Py_XINCREF(old_exc);
-        Py_XINCREF(old_val);
-        Py_XINCREF(old_tb);
-        __Pyx_ErrRestore(old_exc, old_val, old_tb);
-        PyErr_PrintEx(1);
-    }
-    #if PY_MAJOR_VERSION < 3
-    ctx = PyString_FromString(name);
-    #else
-    ctx = PyUnicode_FromString(name);
-    #endif
-    __Pyx_ErrRestore(old_exc, old_val, old_tb);
-    if (!ctx) {
-        PyErr_WriteUnraisable(Py_None);
-    } else {
-        PyErr_WriteUnraisable(ctx);
-        Py_DECREF(ctx);
-    }
-}
-
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-#else
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-#endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-static PyObject *__Pyx_Generator_Next(PyObject *self);
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
-static PyObject *__Pyx_Generator_Close(PyObject *self);
-static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
-static PyTypeObject *__pyx_GeneratorType = 0;
-#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
-#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
-#if 1 || PY_VERSION_HEX < 0x030300B0
-static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
-    PyObject *et, *ev, *tb;
-    PyObject *value = NULL;
-    __Pyx_ErrFetch(&et, &ev, &tb);
-    if (!et) {
-        Py_XDECREF(tb);
-        Py_XDECREF(ev);
-        Py_INCREF(Py_None);
-        *pvalue = Py_None;
-        return 0;
-    }
-    if (unlikely(et != PyExc_StopIteration) &&
-            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
-        __Pyx_ErrRestore(et, ev, tb);
-        return -1;
-    }
-    if (likely(et == PyExc_StopIteration)) {
-        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
-            if (!ev) {
-                Py_INCREF(Py_None);
-                ev = Py_None;
-            }
-            Py_XDECREF(tb);
-            Py_DECREF(et);
-            *pvalue = ev;
-            return 0;
-        }
-    }
-    PyErr_NormalizeException(&et, &ev, &tb);
-    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
-        __Pyx_ErrRestore(et, ev, tb);
-        return -1;
-    }
-    Py_XDECREF(tb);
-    Py_DECREF(et);
-#if PY_VERSION_HEX >= 0x030300A0
-    value = ((PyStopIterationObject *)ev)->value;
-    Py_INCREF(value);
-    Py_DECREF(ev);
-#else
-    {
-        PyObject* args = PyObject_GetAttr(ev, __pyx_n_s_args);
-        Py_DECREF(ev);
-        if (likely(args)) {
-            value = PyObject_GetItem(args, 0);
-            Py_DECREF(args);
-        }
-        if (unlikely(!value)) {
-            __Pyx_ErrRestore(NULL, NULL, NULL);
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-    }
-#endif
-    *pvalue = value;
-    return 0;
-}
-#endif
-static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
-    PyObject *exc_type = self->exc_type;
-    PyObject *exc_value = self->exc_value;
-    PyObject *exc_traceback = self->exc_traceback;
-    self->exc_type = NULL;
-    self->exc_value = NULL;
-    self->exc_traceback = NULL;
-    Py_XDECREF(exc_type);
-    Py_XDECREF(exc_value);
-    Py_XDECREF(exc_traceback);
-}
-static CYTHON_INLINE
-int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
-    if (unlikely(gen->is_running)) {
-        PyErr_SetString(PyExc_ValueError,
-                        "generator already executing");
-        return 1;
-    }
-    return 0;
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
-    PyObject *retval;
-    assert(!self->is_running);
-    if (unlikely(self->resume_label == 0)) {
-        if (unlikely(value && value != Py_None)) {
-            PyErr_SetString(PyExc_TypeError,
-                            "can't send non-None value to a "
-                            "just-started generator");
-            return NULL;
-        }
-    }
-    if (unlikely(self->resume_label == -1)) {
-        PyErr_SetNone(PyExc_StopIteration);
-        return NULL;
-    }
-    if (value) {
-#if CYTHON_COMPILING_IN_PYPY
-#else
-        /* Generators always return to their most recent caller, not
-         * necessarily their creator. */
-        if (self->exc_traceback) {
-            PyThreadState *tstate = PyThreadState_GET();
-            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
-            PyFrameObject *f = tb->tb_frame;
-            Py_XINCREF(tstate->frame);
-            assert(f->f_back == NULL);
-            f->f_back = tstate->frame;
-        }
-#endif
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
-                            &self->exc_traceback);
-    } else {
-        __Pyx_Generator_ExceptionClear(self);
-    }
-    self->is_running = 1;
-    retval = self->body((PyObject *) self, value);
-    self->is_running = 0;
-    if (retval) {
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
-                            &self->exc_traceback);
-#if CYTHON_COMPILING_IN_PYPY
-#else
-        /* Don't keep the reference to f_back any longer than necessary.  It
-         * may keep a chain of frames alive or it could create a reference
-         * cycle. */
-        if (self->exc_traceback) {
-            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
-            PyFrameObject *f = tb->tb_frame;
-            Py_CLEAR(f->f_back);
-        }
-#endif
-    } else {
-        __Pyx_Generator_ExceptionClear(self);
-    }
-    return retval;
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
-    PyObject *ret;
-    PyObject *val = NULL;
-    __Pyx_Generator_Undelegate(gen);
-    __Pyx_PyGen_FetchStopIterationValue(&val);
-    ret = __Pyx_Generator_SendEx(gen, val);
-    Py_XDECREF(val);
-    return ret;
-}
-static PyObject *__Pyx_Generator_Next(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
-    PyObject *yf = gen->yieldfrom;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        gen->is_running = 1;
-        ret = Py_TYPE(yf)->tp_iternext(yf);
-        gen->is_running = 0;
-        if (likely(ret)) {
-            return ret;
-        }
-        return __Pyx_Generator_FinishDelegation(gen);
-    }
-    return __Pyx_Generator_SendEx(gen, Py_None);
-}
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
-    PyObject *yf = gen->yieldfrom;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        gen->is_running = 1;
-        if (__Pyx_Generator_CheckExact(yf)) {
-            ret = __Pyx_Generator_Send(yf, value);
-        } else {
-            if (value == Py_None)
-                ret = PyIter_Next(yf);
-            else
-                ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
-        }
-        gen->is_running = 0;
-        if (likely(ret)) {
-            return ret;
-        }
-        return __Pyx_Generator_FinishDelegation(gen);
-    }
-    return __Pyx_Generator_SendEx(gen, value);
-}
-static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
-    PyObject *retval = NULL;
-    int err = 0;
-    if (__Pyx_Generator_CheckExact(yf)) {
-        retval = __Pyx_Generator_Close(yf);
-        if (!retval)
-            return -1;
-    } else {
-        PyObject *meth;
-        gen->is_running = 1;
-        meth = PyObject_GetAttr(yf, __pyx_n_s_close);
-        if (unlikely(!meth)) {
-            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                PyErr_WriteUnraisable(yf);
-            }
-            PyErr_Clear();
-        } else {
-            retval = PyObject_CallFunction(meth, NULL);
-            Py_DECREF(meth);
-            if (!retval)
-                err = -1;
-        }
-        gen->is_running = 0;
-    }
-    Py_XDECREF(retval);
-    return err;
-}
-static PyObject *__Pyx_Generator_Close(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject *retval, *raised_exception;
-    PyObject *yf = gen->yieldfrom;
-    int err = 0;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        Py_INCREF(yf);
-        err = __Pyx_Generator_CloseIter(gen, yf);
-        __Pyx_Generator_Undelegate(gen);
-        Py_DECREF(yf);
-    }
-    if (err == 0)
-#if PY_VERSION_HEX < 0x02050000
-        PyErr_SetNone(PyExc_StopIteration);
-#else
-        PyErr_SetNone(PyExc_GeneratorExit);
-#endif
-    retval = __Pyx_Generator_SendEx(gen, NULL);
-    if (retval) {
-        Py_DECREF(retval);
-        PyErr_SetString(PyExc_RuntimeError,
-                        "generator ignored GeneratorExit");
-        return NULL;
-    }
-    raised_exception = PyErr_Occurred();
-    if (!raised_exception
-        || raised_exception == PyExc_StopIteration
-#if PY_VERSION_HEX >= 0x02050000
-        || raised_exception == PyExc_GeneratorExit
-        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
-#endif
-        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
-    {
-        if (raised_exception) PyErr_Clear();      /* ignore these errors */
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
-    return NULL;
-}
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject *typ;
-    PyObject *tb = NULL;
-    PyObject *val = NULL;
-    PyObject *yf = gen->yieldfrom;
-    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
-        return NULL;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        Py_INCREF(yf);
-#if PY_VERSION_HEX >= 0x02050000
-        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
-            int err = __Pyx_Generator_CloseIter(gen, yf);
-            Py_DECREF(yf);
-            __Pyx_Generator_Undelegate(gen);
-            if (err < 0)
-                return __Pyx_Generator_SendEx(gen, NULL);
-            goto throw_here;
-        }
-#endif
-        gen->is_running = 1;
-        if (__Pyx_Generator_CheckExact(yf)) {
-            ret = __Pyx_Generator_Throw(yf, args);
-        } else {
-            PyObject *meth = PyObject_GetAttr(yf, __pyx_n_s_throw);
-            if (unlikely(!meth)) {
-                Py_DECREF(yf);
-                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                    gen->is_running = 0;
-                    return NULL;
-                }
-                PyErr_Clear();
-                __Pyx_Generator_Undelegate(gen);
-                gen->is_running = 0;
-                goto throw_here;
-            }
-            ret = PyObject_CallObject(meth, args);
-            Py_DECREF(meth);
-        }
-        gen->is_running = 0;
-        Py_DECREF(yf);
-        if (!ret) {
-            ret = __Pyx_Generator_FinishDelegation(gen);
-        }
-        return ret;
-    }
-throw_here:
-    __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(gen, NULL);
-}
-static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_VISIT(gen->closure);
-    Py_VISIT(gen->classobj);
-    Py_VISIT(gen->yieldfrom);
-    Py_VISIT(gen->exc_type);
-    Py_VISIT(gen->exc_value);
-    Py_VISIT(gen->exc_traceback);
-    return 0;
-}
-static int __Pyx_Generator_clear(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->yieldfrom);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
-    return 0;
-}
-static void __Pyx_Generator_dealloc(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject_GC_UnTrack(gen);
-    if (gen->gi_weakreflist != NULL)
-        PyObject_ClearWeakRefs(self);
-    if (gen->resume_label > 0) {
-        PyObject_GC_Track(self);
-#if PY_VERSION_HEX >= 0x030400a1
-        if (PyObject_CallFinalizerFromDealloc(self))
-#else
-        Py_TYPE(gen)->tp_del(self);
-        if (self->ob_refcnt > 0)
-#endif
-            return;                     /* resurrected.  :( */
-        PyObject_GC_UnTrack(self);
-    }
-    __Pyx_Generator_clear(self);
-    PyObject_GC_Del(gen);
-}
-static void __Pyx_Generator_del(PyObject *self) {
-    PyObject *res;
-    PyObject *error_type, *error_value, *error_traceback;
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    if (gen->resume_label <= 0)
-        return ;
-#if PY_VERSION_HEX < 0x030400a1
-    assert(self->ob_refcnt == 0);
-    self->ob_refcnt = 1;
-#endif
-    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
-    res = __Pyx_Generator_Close(self);
-    if (res == NULL)
-        PyErr_WriteUnraisable(self);
-    else
-        Py_DECREF(res);
-    __Pyx_ErrRestore(error_type, error_value, error_traceback);
-#if PY_VERSION_HEX < 0x030400a1
-    /* Undo the temporary resurrection; can't use DECREF here, it would
-     * cause a recursive call.
-     */
-    assert(self->ob_refcnt > 0);
-    if (--self->ob_refcnt == 0)
-        return; /* this is the normal path out */
-    /* close() resurrected it!  Make it look like the original Py_DECREF
-     * never happened.
-     */
-    {
-        Py_ssize_t refcnt = self->ob_refcnt;
-        _Py_NewReference(self);
-        self->ob_refcnt = refcnt;
-    }
-#if CYTHON_COMPILING_IN_CPYTHON
-    assert(PyType_IS_GC(self->ob_type) &&
-           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
-    /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
-     * we need to undo that. */
-    _Py_DEC_REFTOTAL;
-#endif
-    /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
-     * chain, so no more to do there.
-     * If COUNT_ALLOCS, the original decref bumped tp_frees, and
-     * _Py_NewReference bumped tp_allocs:  both of those need to be
-     * undone.
-     */
-#ifdef COUNT_ALLOCS
-    --Py_TYPE(self)->tp_frees;
-    --Py_TYPE(self)->tp_allocs;
-#endif
-#endif
-}
-static PyMemberDef __pyx_Generator_memberlist[] = {
-    {(char *) "gi_running",
-#if PY_VERSION_HEX >= 0x02060000
-     T_BOOL,
-#else
-     T_BYTE,
-#endif
-     offsetof(__pyx_GeneratorObject, is_running),
-     READONLY,
-     NULL},
-    {0, 0, 0, 0, 0}
-};
-static PyMethodDef __pyx_Generator_methods[] = {
-    {__Pyx_NAMESTR("send"), (PyCFunction) __Pyx_Generator_Send, METH_O, 0},
-    {__Pyx_NAMESTR("throw"), (PyCFunction) __Pyx_Generator_Throw, METH_VARARGS, 0},
-    {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyTypeObject __pyx_GeneratorType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    __Pyx_NAMESTR("generator"),         /*tp_name*/
-    sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
-    0,                                  /*tp_itemsize*/
-    (destructor) __Pyx_Generator_dealloc,/*tp_dealloc*/
-    0,                                  /*tp_print*/
-    0,                                  /*tp_getattr*/
-    0,                                  /*tp_setattr*/
-#if PY_MAJOR_VERSION < 3
-    0,                                  /*tp_compare*/
-#else
-    0,                                  /*reserved*/
-#endif
-    0,                                   /*tp_repr*/
-    0,                                  /*tp_as_number*/
-    0,                                  /*tp_as_sequence*/
-    0,                                  /*tp_as_mapping*/
-    0,                                  /*tp_hash*/
-    0,                                  /*tp_call*/
-    0,                                  /*tp_str*/
-    0,                                  /*tp_getattro*/
-    0,                                  /*tp_setattro*/
-    0,                                  /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, /* tp_flags*/
-    0,                                  /*tp_doc*/
-    (traverseproc) __Pyx_Generator_traverse,   /*tp_traverse*/
-    0,                                  /*tp_clear*/
-    0,                                  /*tp_richcompare*/
-    offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
-    0,                                  /*tp_iter*/
-    (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
-    __pyx_Generator_methods,            /*tp_methods*/
-    __pyx_Generator_memberlist,         /*tp_members*/
-    0,                                  /*tp_getset*/
-    0,                                  /*tp_base*/
-    0,                                  /*tp_dict*/
-    0,                                  /*tp_descr_get*/
-    0,                                  /*tp_descr_set*/
-    0,                                  /*tp_dictoffset*/
-    0,                                  /*tp_init*/
-    0,                                  /*tp_alloc*/
-    0,                                  /*tp_new*/
-    0,                                  /*tp_free*/
-    0,                                  /*tp_is_gc*/
-    0,                                  /*tp_bases*/
-    0,                                  /*tp_mro*/
-    0,                                  /*tp_cache*/
-    0,                                  /*tp_subclasses*/
-    0,                                  /*tp_weaklist*/
-#if PY_VERSION_HEX >= 0x030400a1
-    0,                                  /*tp_del*/
-#else
-    __Pyx_Generator_del,                /*tp_del*/
-#endif
-#if PY_VERSION_HEX >= 0x02060000
-    0,                                  /*tp_version_tag*/
-#endif
-#if PY_VERSION_HEX >= 0x030400a1
-    __Pyx_Generator_del,                /*tp_finalize*/
-#endif
-};
-static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                                  PyObject *closure) {
-    __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
-    if (gen == NULL)
-        return NULL;
-    gen->body = body;
-    gen->closure = closure;
-    Py_XINCREF(closure);
-    gen->is_running = 0;
-    gen->resume_label = 0;
-    gen->classobj = NULL;
-    gen->yieldfrom = NULL;
-    gen->exc_type = NULL;
-    gen->exc_value = NULL;
-    gen->exc_traceback = NULL;
-    gen->gi_weakreflist = NULL;
-    PyObject_GC_Track(gen);
-    return gen;
-}
-static int __pyx_Generator_init(void) {
-    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
-    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
-    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
-    if (__pyx_GeneratorType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-  #if PY_VERSION_HEX < 0x02060000
-    return PyInt_AsSsize_t(b);
-  #else
-    return PyLong_AsSsize_t(b);
-  #endif
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/pysam/chtslib.c b/pysam/chtslib.c
deleted file mode 100644
index 0c05607..0000000
--- a/pysam/chtslib.c
+++ /dev/null
@@ -1,3162 +0,0 @@
-/* Generated by Cython 0.20.1 on Fri Nov 21 19:49:04 2014 */
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-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02040000
-    #error Cython requires Python 2.4+.
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-#define CYTHON_ABI "0_20_1"
-#include <stddef.h> /* For offsetof */
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-#define Py_OptimizeFlag 0
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  typedef int Py_ssize_t;
-  #define PY_SSIZE_T_MAX INT_MAX
-  #define PY_SSIZE_T_MIN INT_MIN
-  #define PY_FORMAT_SIZE_T ""
-  #define CYTHON_FORMAT_SSIZE_T ""
-  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
-  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
-  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
-                                (PyErr_Format(PyExc_TypeError, \
-                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
-                                 (PyObject*)0))
-  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
-                                  !PyComplex_Check(o))
-  #define PyIndex_Check __Pyx_PyIndex_Check
-  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
-  #define __PYX_BUILD_PY_SSIZE_T "i"
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-  #define CYTHON_FORMAT_SSIZE_T "z"
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-  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
-  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
-  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
-  #define PyVarObject_HEAD_INIT(type, size) \
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-  #define PyType_Modified(t)
-  typedef struct {
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-     PyObject *obj;
-     Py_ssize_t len;
-     Py_ssize_t itemsize;
-     int readonly;
-     int ndim;
-     char *format;
-     Py_ssize_t *shape;
-     Py_ssize_t *strides;
-     Py_ssize_t *suboffsets;
-     void *internal;
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-  #define PyBUF_WRITABLE 0x0001
-  #define PyBUF_FORMAT 0x0004
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-  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
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-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
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-  #define __Pyx_DefaultClassType PyClass_Type
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-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
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-  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
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-  #define Py_TPFLAGS_HAVE_INDEX 0
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-#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
-  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
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-#if PY_VERSION_HEX < 0x02060000
-  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
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-#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
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-#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
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-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
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-  #define CYTHON_PEP393_ENABLED 0
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-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
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-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
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-  #define PyString_Type                PyUnicode_Type
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-  #define PyString_CheckExact          PyUnicode_CheckExact
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-  #define PyBytes_Type                 PyString_Type
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-  #define PyBytes_FromString           PyString_FromString
-  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
-  #define PyBytes_FromFormat           PyString_FromFormat
-  #define PyBytes_DecodeEscape         PyString_DecodeEscape
-  #define PyBytes_AsString             PyString_AsString
-  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
-  #define PyBytes_Size                 PyString_Size
-  #define PyBytes_AS_STRING            PyString_AS_STRING
-  #define PyBytes_GET_SIZE             PyString_GET_SIZE
-  #define PyBytes_Repr                 PyString_Repr
-  #define PyBytes_Concat               PyString_Concat
-  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
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-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
-                                         PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
-  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
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-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
-  #define PyInt_AsSsize_t              PyLong_AsSsize_t
-  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
-  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
-  #define PyNumber_Int                 PyNumber_Long
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-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
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-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
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-  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
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-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
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-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_NAMESTR(n) ((char *)(n))
-  #define __Pyx_DOCSTR(n)  ((char *)(n))
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-  #define __Pyx_NAMESTR(n) (n)
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-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
-  #else
-    #define CYTHON_RESTRICT
-  #endif
-#endif
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-
-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-#define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#define __PYX_HAVE__pysam__libchtslib
-#define __PYX_HAVE_API__pysam__libchtslib
-#include "string.h"
-#include "stdio.h"
-#include "pythread.h"
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#ifdef PYREX_WITHOUT_ASSERTIONS
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-#ifndef CYTHON_UNUSED
-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
-#   else
-#     define CYTHON_UNUSED
-#   endif
-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
-    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "chtslib.pyx",
-  "type.pxd",
-  "bool.pxd",
-  "complex.pxd",
-};
-
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-#ifndef CYTHON_REFNANNY
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-  typedef struct {
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-    void (*GOTREF)(void*, PyObject*, int);
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-  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
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-  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
-  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
-  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
-  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
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-  #define __Pyx_INCREF(r) Py_INCREF(r)
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-  #define __Pyx_GOTREF(r)
-  #define __Pyx_GIVEREF(r)
-  #define __Pyx_XINCREF(r) Py_XINCREF(r)
-  #define __Pyx_XDECREF(r) Py_XDECREF(r)
-  #define __Pyx_XGOTREF(r)
-  #define __Pyx_XGIVEREF(r)
-#endif /* CYTHON_REFNANNY */
-#define __Pyx_XDECREF_SET(r, v) do {                            \
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-        r = v; __Pyx_XDECREF(tmp);                              \
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-#define __Pyx_DECREF_SET(r, v) do {                             \
-        PyObject *tmp = (PyObject *) r;                         \
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-#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
-#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro))
-        return tp->tp_getattro(obj, attr_name);
-#if PY_MAJOR_VERSION < 3
-    if (likely(tp->tp_getattr))
-        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
-#endif
-    return PyObject_GetAttr(obj, attr_name);
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-#else
-#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
-#endif
-
-static PyObject *__Pyx_GetBuiltinName(PyObject *name); /*proto*/
-
-#ifndef CYTHON_PROFILE
-  #define CYTHON_PROFILE 1
-#endif
-#ifndef CYTHON_TRACE
-  #define CYTHON_TRACE 0
-#endif
-#if CYTHON_TRACE
-  #undef CYTHON_PROFILE_REUSE_FRAME
-#endif
-#ifndef CYTHON_PROFILE_REUSE_FRAME
-  #define CYTHON_PROFILE_REUSE_FRAME 0
-#endif
-#if CYTHON_PROFILE || CYTHON_TRACE
-  #include "compile.h"
-  #include "frameobject.h"
-  #include "traceback.h"
-  #if CYTHON_PROFILE_REUSE_FRAME
-    #define CYTHON_FRAME_MODIFIER static
-    #define CYTHON_FRAME_DEL
-  #else
-    #define CYTHON_FRAME_MODIFIER
-    #define CYTHON_FRAME_DEL Py_CLEAR(__pyx_frame)
-  #endif
-  #define __Pyx_TraceDeclarations                                     \
-  static PyCodeObject *__pyx_frame_code = NULL;                      \
-  CYTHON_FRAME_MODIFIER PyFrameObject *__pyx_frame = NULL;           \
-  int __Pyx_use_tracing = 0;
-  #define __Pyx_TraceCall(funcname, srcfile, firstlineno)                            \
-  if (unlikely(PyThreadState_GET()->use_tracing &&                                   \
-          (PyThreadState_GET()->c_profilefunc || (CYTHON_TRACE && PyThreadState_GET()->c_tracefunc)))) {      \
-      __Pyx_use_tracing = __Pyx_TraceSetupAndCall(&__pyx_frame_code, &__pyx_frame, funcname, srcfile, firstlineno);  \
-  }
-  #define __Pyx_TraceException()                                                           \
-  if (unlikely(__Pyx_use_tracing) && PyThreadState_GET()->use_tracing &&                   \
-          (PyThreadState_GET()->c_profilefunc || (CYTHON_TRACE && PyThreadState_GET()->c_tracefunc))) {  \
-      PyThreadState* tstate = PyThreadState_GET();                                         \
-      tstate->use_tracing = 0;                                                             \
-      PyObject *exc_info = __Pyx_GetExceptionTuple();                                      \
-      if (exc_info) {                                                                      \
-          if (CYTHON_TRACE && tstate->c_tracefunc)                                         \
-              tstate->c_tracefunc(                                                         \
-                  tstate->c_traceobj, __pyx_frame, PyTrace_EXCEPTION, exc_info);          \
-          tstate->c_profilefunc(                                                           \
-              tstate->c_profileobj, __pyx_frame, PyTrace_EXCEPTION, exc_info);            \
-          Py_DECREF(exc_info);                                                             \
-      }                                                                                    \
-      tstate->use_tracing = 1;                                                             \
-  }
-  #define __Pyx_TraceReturn(result)                                                  \
-  if (unlikely(__Pyx_use_tracing) && PyThreadState_GET()->use_tracing) {             \
-      PyThreadState* tstate = PyThreadState_GET();                                   \
-      tstate->use_tracing = 0;                                                        \
-      if (CYTHON_TRACE && tstate->c_tracefunc)                                       \
-          tstate->c_tracefunc(                                                       \
-              tstate->c_traceobj, __pyx_frame, PyTrace_RETURN, (PyObject*)result);  \
-      if (tstate->c_profilefunc)                                                     \
-          tstate->c_profilefunc(                                                     \
-              tstate->c_profileobj, __pyx_frame, PyTrace_RETURN, (PyObject*)result);  \
-      CYTHON_FRAME_DEL;                                                              \
-      tstate->use_tracing = 1;                                                       \
-  }
-  static PyCodeObject *__Pyx_createFrameCodeObject(const char *funcname, const char *srcfile, int firstlineno); /*proto*/
-  static int __Pyx_TraceSetupAndCall(PyCodeObject** code, PyFrameObject** frame, const char *funcname, const char *srcfile, int firstlineno); /*proto*/
-#else
-  #define __Pyx_TraceDeclarations
-  #define __Pyx_TraceCall(funcname, srcfile, firstlineno)
-  #define __Pyx_TraceException()
-  #define __Pyx_TraceReturn(result)
-#endif /* CYTHON_PROFILE */
-#if CYTHON_TRACE
-  #define __Pyx_TraceLine(lineno)                                                          \
-  if (unlikely(__Pyx_use_tracing) && unlikely(PyThreadState_GET()->use_tracing && PyThreadState_GET()->c_tracefunc)) {    \
-      PyThreadState* tstate = PyThreadState_GET();                                         \
-      __pyx_frame->f_lineno = lineno;                                                     \
-      tstate->use_tracing = 0;                                                             \
-      tstate->c_tracefunc(tstate->c_traceobj, __pyx_frame, PyTrace_LINE, NULL);           \
-      tstate->use_tracing = 1;                                                             \
-  }
-#else
-  #define __Pyx_TraceLine(lineno)
-#endif
-
-#include <string.h>
-
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); /*proto*/
-#else
-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
-#endif
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name); /*proto*/
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); /*proto*/
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
-
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
-
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
-
-static int __Pyx_check_binary_version(void);
-
-#if !defined(__Pyx_PyIdentifier_FromString)
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
-#else
-  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
-#endif
-#endif
-
-static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
-
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
-
-typedef struct {
-    int code_line;
-    PyCodeObject* code_object;
-} __Pyx_CodeObjectCacheEntry;
-struct __Pyx_CodeObjectCache {
-    int count;
-    int max_count;
-    __Pyx_CodeObjectCacheEntry* entries;
-};
-static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
-static PyCodeObject *__pyx_find_code_object(int code_line);
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
-
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename); /*proto*/
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
-
-
-/* Module declarations from 'cpython.version' */
-
-/* Module declarations from 'cpython.ref' */
-
-/* Module declarations from 'cpython.exc' */
-
-/* Module declarations from 'cpython.module' */
-
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-    tstate->use_tracing = 0;
-    #if CYTHON_TRACE
-    if (tstate->c_tracefunc)
-        tstate->c_tracefunc(tstate->c_traceobj, *frame, PyTrace_CALL, NULL);
-    if (!tstate->c_profilefunc)
-        retval = 1;
-    else
-    #endif
-        retval = tstate->c_profilefunc(tstate->c_profileobj, *frame, PyTrace_CALL, NULL) == 0;
-    tstate->use_tracing = (tstate->c_profilefunc ||
-                           (CYTHON_TRACE && tstate->c_tracefunc));
-    return tstate->use_tracing && retval;
-}
-static PyCodeObject *__Pyx_createFrameCodeObject(const char *funcname, const char *srcfile, int firstlineno) {
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    PyCodeObject *py_code = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_funcname = PyString_FromString(funcname);
-    py_srcfile = PyString_FromString(srcfile);
-    #else
-    py_funcname = PyUnicode_FromString(funcname);
-    py_srcfile = PyUnicode_FromString(srcfile);
-    #endif
-    if (!py_funcname | !py_srcfile) goto bad;
-    py_code = PyCode_New(
-        0,                /*int argcount,*/
-        #if PY_MAJOR_VERSION >= 3
-        0,                /*int kwonlyargcount,*/
-        #endif
-        0,                /*int nlocals,*/
-        0,                /*int stacksize,*/
-        0,                /*int flags,*/
-        __pyx_empty_bytes,     /*PyObject *code,*/
-        __pyx_empty_tuple,     /*PyObject *consts,*/
-        __pyx_empty_tuple,     /*PyObject *names,*/
-        __pyx_empty_tuple,     /*PyObject *varnames,*/
-        __pyx_empty_tuple,     /*PyObject *freevars,*/
-        __pyx_empty_tuple,     /*PyObject *cellvars,*/
-        py_srcfile,       /*PyObject *filename,*/
-        py_funcname,      /*PyObject *name,*/
-        firstlineno,      /*int firstlineno,*/
-        __pyx_empty_bytes      /*PyObject *lnotab*/
-    );
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return py_code;
-}
-#endif /* CYTHON_PROFILE */
-
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
-    Py_ssize_t length;
-    if (unlikely((start < 0) | (stop < 0))) {
-        length = strlen(cstring);
-        if (start < 0) {
-            start += length;
-            if (start < 0)
-                start = 0;
-        }
-        if (stop < 0)
-            stop += length;
-    }
-    length = stop - start;
-    if (unlikely(length <= 0))
-        return PyUnicode_FromUnicode(NULL, 0);
-    cstring += start;
-    if (decode_func) {
-        return decode_func(cstring, length, errors);
-    } else {
-        return PyUnicode_Decode(cstring, length, encoding, errors);
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-#endif
-    result = (*call)(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    Py_LeaveRecursiveCall();
-#endif
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_Restore(type, value, tb);
-#endif
-}
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    #if PY_VERSION_HEX < 0x02050000
-    if (PyClass_Check(type)) {
-    #else
-    if (PyType_Check(type)) {
-    #endif
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyInstance_Check(type)) {
-            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-            Py_INCREF(type);
-        } else {
-            type = 0;
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception must be an old-style class or instance");
-            goto raise_error;
-        }
-        #else
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-        #endif
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else /* Python 3+ */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (result) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-  #if PY_VERSION_HEX < 0x02060000
-    return PyInt_AsSsize_t(b);
-  #else
-    return PyLong_AsSsize_t(b);
-  #endif
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/pysam/csamfile.c b/pysam/csamfile.c
deleted file mode 100644
index c3e3252..0000000
--- a/pysam/csamfile.c
+++ /dev/null
@@ -1,2876 +0,0 @@
-/* Generated by Cython 0.20.1 on Fri Nov 21 19:49:04 2014 */
-
-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02040000
-    #error Cython requires Python 2.4+.
-#else
-#define CYTHON_ABI "0_20_1"
-#include <stddef.h> /* For offsetof */
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-#define Py_OptimizeFlag 0
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  typedef int Py_ssize_t;
-  #define PY_SSIZE_T_MAX INT_MAX
-  #define PY_SSIZE_T_MIN INT_MIN
-  #define PY_FORMAT_SIZE_T ""
-  #define CYTHON_FORMAT_SSIZE_T ""
-  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
-  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
-  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
-                                (PyErr_Format(PyExc_TypeError, \
-                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
-                                 (PyObject*)0))
-  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
-                                  !PyComplex_Check(o))
-  #define PyIndex_Check __Pyx_PyIndex_Check
-  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
-  #define __PYX_BUILD_PY_SSIZE_T "i"
-#else
-  #define __PYX_BUILD_PY_SSIZE_T "n"
-  #define CYTHON_FORMAT_SSIZE_T "z"
-  #define __Pyx_PyIndex_Check PyIndex_Check
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
-  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
-  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
-  #define PyVarObject_HEAD_INIT(type, size) \
-          PyObject_HEAD_INIT(type) size,
-  #define PyType_Modified(t)
-  typedef struct {
-     void *buf;
-     PyObject *obj;
-     Py_ssize_t len;
-     Py_ssize_t itemsize;
-     int readonly;
-     int ndim;
-     char *format;
-     Py_ssize_t *shape;
-     Py_ssize_t *strides;
-     Py_ssize_t *suboffsets;
-     void *internal;
-  } Py_buffer;
-  #define PyBUF_SIMPLE 0
-  #define PyBUF_WRITABLE 0x0001
-  #define PyBUF_FORMAT 0x0004
-  #define PyBUF_ND 0x0008
-  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
-  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
-  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
-  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
-  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
-  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
-  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
-  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
-  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
-#endif
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyClass_Type
-#else
-  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyType_Type
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define Py_TPFLAGS_CHECKTYPES 0
-  #define Py_TPFLAGS_HAVE_INDEX 0
-#endif
-#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
-  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
-#endif
-#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
-  #define Py_TPFLAGS_IS_ABSTRACT 0
-#endif
-#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
-  #define Py_TPFLAGS_HAVE_FINALIZE 0
-#endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
-  #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-#else
-  #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyBytesObject                PyStringObject
-  #define PyBytes_Type                 PyString_Type
-  #define PyBytes_Check                PyString_Check
-  #define PyBytes_CheckExact           PyString_CheckExact
-  #define PyBytes_FromString           PyString_FromString
-  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
-  #define PyBytes_FromFormat           PyString_FromFormat
-  #define PyBytes_DecodeEscape         PyString_DecodeEscape
-  #define PyBytes_AsString             PyString_AsString
-  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
-  #define PyBytes_Size                 PyString_Size
-  #define PyBytes_AS_STRING            PyString_AS_STRING
-  #define PyBytes_GET_SIZE             PyString_GET_SIZE
-  #define PyBytes_Repr                 PyString_Repr
-  #define PyBytes_Concat               PyString_Concat
-  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
-                                         PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
-  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
-#endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
-  #define PyInt_AsSsize_t              PyLong_AsSsize_t
-  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
-  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
-  #define PyNumber_Int                 PyNumber_Long
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
-#endif
-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
-  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
-#else
-  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
-  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
-  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
-#else
-  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
-  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
-#else
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_NAMESTR(n) ((char *)(n))
-  #define __Pyx_DOCSTR(n)  ((char *)(n))
-#else
-  #define __Pyx_NAMESTR(n) (n)
-  #define __Pyx_DOCSTR(n)  (n)
-#endif
-#ifndef CYTHON_INLINE
-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
-  #else
-    #define CYTHON_RESTRICT
-  #endif
-#endif
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-
-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-#define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#define __PYX_HAVE__pysam__csamfile
-#define __PYX_HAVE_API__pysam__csamfile
-#include "stdint.h"
-#include "string.h"
-#include "stdlib.h"
-#include "stdio.h"
-#include "zlib.h"
-#include "htslib/kstring.h"
-#include "htslib/hfile.h"
-#include "htslib/bgzf.h"
-#include "htslib/hts.h"
-#include "htslib/sam.h"
-#include "pysam_stream.h"
-#include "htslib/faidx.h"
-#include "htslib/tbx.h"
-#include "htslib_util.h"
-#include "samfile_util.h"
-#include "pythread.h"
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#ifdef PYREX_WITHOUT_ASSERTIONS
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-#ifndef CYTHON_UNUSED
-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
-#   else
-#     define CYTHON_UNUSED
-#   endif
-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
-    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "csamfile.pyx",
-  "cfaidx.pxd",
-  "calignmentfile.pxd",
-  "type.pxd",
-  "bool.pxd",
-  "complex.pxd",
-};
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5pysam_6cfaidx_FastaFile;
-struct __pyx_obj_5pysam_6cfaidx_FastqProxy;
-struct __pyx_obj_5pysam_6cfaidx_FastqFile;
-struct __pyx_obj_5pysam_6cfaidx_Fastafile;
-struct __pyx_obj_5pysam_6cfaidx_Fastqfile;
-struct __pyx_obj_5pysam_14calignmentfile_AlignedSegment;
-struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile;
-struct __pyx_obj_5pysam_14calignmentfile_PileupColumn;
-struct __pyx_obj_5pysam_14calignmentfile_PileupRead;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRow;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowRegion;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowHead;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowAll;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowAllRefs;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowSelection;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorColumnRegion;
-struct __pyx_obj_5pysam_14calignmentfile_IteratorColumnAllRefs;
-struct __pyx_obj_5pysam_14calignmentfile_IndexedReads;
-struct __pyx_obj_5pysam_8csamfile_AlignedRead;
-struct __pyx_obj_5pysam_8csamfile_Samfile;
-struct __pyx_t_5pysam_14calignmentfile___iterdata;
-typedef struct __pyx_t_5pysam_14calignmentfile___iterdata __pyx_t_5pysam_14calignmentfile___iterdata;
-struct __pyx_opt_args_5pysam_14calignmentfile_14AlignedSegment_setTag;
-struct __pyx_opt_args_5pysam_14calignmentfile_14IteratorColumn_setupIteratorData;
-
-/* "calignmentfile.pxd":53
- * # Utility types
- * 
- * ctypedef struct __iterdata:             # <<<<<<<<<<<<<<
- *     htsFile * htsfile
- *     bam_hdr_t * header
- */
-struct __pyx_t_5pysam_14calignmentfile___iterdata {
-  htsFile *htsfile;
-  bam_hdr_t *header;
-  hts_itr_t *iter;
-  faidx_t *fastafile;
-  int tid;
-  char *seq;
-  int seq_len;
-};
-
-/* "calignmentfile.pxd":72
- *     # add an alignment tag with value to the AlignedSegment
- *     # an existing tag of the same name will be replaced.
- *     cpdef setTag( self, tag, value, value_type = ?, replace = ? )             # <<<<<<<<<<<<<<
- * 
- * cdef class AlignmentFile:
- */
-struct __pyx_opt_args_5pysam_14calignmentfile_14AlignedSegment_setTag {
-  int __pyx_n;
-  PyObject *value_type;
-  PyObject *replace;
-};
-
-/* "calignmentfile.pxd":179
- *     cdef char * getSequence( self )
- *     cdef setMask(self, mask)
- *     cdef setupIteratorData(self,             # <<<<<<<<<<<<<<
- *                            int tid,
- *                            int start,
- */
-struct __pyx_opt_args_5pysam_14calignmentfile_14IteratorColumn_setupIteratorData {
-  int __pyx_n;
-  int multiple_iterators;
-};
-
-/* "cfaidx.pxd":14
- *         char *s
- * 
- * cdef class FastaFile:             # <<<<<<<<<<<<<<
- *     cdef object _filename, _references, _lengths, reference2length
- *     cdef faidx_t* fastafile
- */
-struct __pyx_obj_5pysam_6cfaidx_FastaFile {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6cfaidx_FastaFile *__pyx_vtab;
-  PyObject *_filename;
-  PyObject *_references;
-  PyObject *_lengths;
-  PyObject *reference2length;
-  faidx_t *fastafile;
-};
-
-
-/* "cfaidx.pxd":21
- * 
- * 
- * cdef class FastqProxy:             # <<<<<<<<<<<<<<
- *     cdef kseq_t * _delegate
- * 
- */
-struct __pyx_obj_5pysam_6cfaidx_FastqProxy {
-  PyObject_HEAD
-  kseq_t *_delegate;
-};
-
-
-/* "cfaidx.pxd":25
- * 
- * 
- * cdef class FastqFile:             # <<<<<<<<<<<<<<
- *     cdef object _filename
- *     cdef gzFile fastqfile
- */
-struct __pyx_obj_5pysam_6cfaidx_FastqFile {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6cfaidx_FastqFile *__pyx_vtab;
-  PyObject *_filename;
-  gzFile fastqfile;
-  kseq_t *entry;
-};
-
-
-/* "cfaidx.pxd":35
- * 
- * # Compatibility Layer for pysam < 0.8
- * cdef class Fastafile(FastaFile):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6cfaidx_Fastafile {
-  struct __pyx_obj_5pysam_6cfaidx_FastaFile __pyx_base;
-};
-
-
-/* "cfaidx.pxd":38
- *     pass
- * 
- * cdef class Fastqfile(FastqFile):             # <<<<<<<<<<<<<<
- *     pass
- */
-struct __pyx_obj_5pysam_6cfaidx_Fastqfile {
-  struct __pyx_obj_5pysam_6cfaidx_FastqFile __pyx_base;
-};
-
-
-/* "calignmentfile.pxd":65
- * #
- * # Note: need to declare all C fields and methods here
- * cdef class AlignedSegment:             # <<<<<<<<<<<<<<
- * 
- *     # object that this AlignedSegment represents
- */
-struct __pyx_obj_5pysam_14calignmentfile_AlignedSegment {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignedSegment *__pyx_vtab;
-  bam1_t *_delegate;
-};
-
-
-/* "calignmentfile.pxd":74
- *     cpdef setTag( self, tag, value, value_type = ?, replace = ? )
- * 
- * cdef class AlignmentFile:             # <<<<<<<<<<<<<<
- * 
- *     cdef object _filename
- */
-struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignmentFile *__pyx_vtab;
-  PyObject *_filename;
-  htsFile *htsfile;
-  BGZF *fp;
-  hts_idx_t *index;
-  bam_hdr_t *header;
-  int isbam;
-  int isstream;
-  int isremote;
-  bam1_t *b;
-  char *mode;
-  int64_t start_offset;
-};
-
-
-/* "calignmentfile.pxd":111
- *     cdef char * _getrname(self, int tid)
- * 
- * cdef class PileupColumn:             # <<<<<<<<<<<<<<
- *     cdef bam_pileup1_t ** plp
- *     cdef int tid
- */
-struct __pyx_obj_5pysam_14calignmentfile_PileupColumn {
-  PyObject_HEAD
-  bam_pileup1_t **plp;
-  int tid;
-  int pos;
-  int n_pu;
-};
-
-
-/* "calignmentfile.pxd":117
- *     cdef int n_pu
- * 
- * cdef class PileupRead:             # <<<<<<<<<<<<<<
- *     cdef AlignedSegment _alignment
- *     cdef int32_t  _qpos
- */
-struct __pyx_obj_5pysam_14calignmentfile_PileupRead {
-  PyObject_HEAD
-  struct __pyx_obj_5pysam_14calignmentfile_AlignedSegment *_alignment;
-  int32_t _qpos;
-  int _indel;
-  int _level;
-  uint32_t _is_del;
-  uint32_t _is_head;
-  uint32_t _is_tail;
-};
-
-
-/* "calignmentfile.pxd":126
- *     cdef uint32_t _is_tail
- * 
- * cdef class IteratorRow:             # <<<<<<<<<<<<<<
- *     cdef int retval
- *     cdef bam1_t * b
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRow {
-  PyObject_HEAD
-  int retval;
-  bam1_t *b;
-  struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *samfile;
-  htsFile *htsfile;
-  bam_hdr_t *header;
-  int owns_samfile;
-};
-
-
-/* "calignmentfile.pxd":134
- *     cdef int owns_samfile
- * 
- * cdef class IteratorRowRegion(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef hts_itr_t * iter
- *     cdef bam1_t * getCurrent( self )
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowRegion {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRow __pyx_base;
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowRegion *__pyx_vtab;
-  hts_itr_t *iter;
-};
-
-
-/* "calignmentfile.pxd":139
- *     cdef int cnext(self)
- * 
- * cdef class IteratorRowHead(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef int max_rows
- *     cdef int current_row
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowHead {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRow __pyx_base;
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowHead *__pyx_vtab;
-  int max_rows;
-  int current_row;
-};
-
-
-/* "calignmentfile.pxd":145
- *     cdef int cnext(self)
- * 
- * cdef class IteratorRowAll(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef bam1_t * getCurrent( self )
- *     cdef int cnext(self)
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowAll {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRow __pyx_base;
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowAll *__pyx_vtab;
-};
-
-
-/* "calignmentfile.pxd":149
- *     cdef int cnext(self)
- * 
- * cdef class IteratorRowAllRefs(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef int         tid
- *     cdef IteratorRowRegion rowiter
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowAllRefs {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRow __pyx_base;
-  int tid;
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRowRegion *rowiter;
-};
-
-
-/* "calignmentfile.pxd":153
- *     cdef IteratorRowRegion rowiter
- * 
- * cdef class IteratorRowSelection(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef int current_pos
- *     cdef positions
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorRowSelection {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRow __pyx_base;
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowSelection *__pyx_vtab;
-  int current_pos;
-  PyObject *positions;
-  BGZF *fp;
-};
-
-
-/* "calignmentfile.pxd":160
- *     cdef BGZF * fp
- * 
- * cdef class IteratorColumn:             # <<<<<<<<<<<<<<
- * 
- *     # result of the last plbuf_push
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumn *__pyx_vtab;
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorRowRegion *iter;
-  int tid;
-  int pos;
-  int n_plp;
-  int mask;
-  bam_pileup1_t *plp;
-  bam_plp_t pileup_iter;
-  __pyx_t_5pysam_14calignmentfile___iterdata iterdata;
-  struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *samfile;
-  struct __pyx_obj_5pysam_6cfaidx_Fastafile *fastafile;
-  PyObject *stepper;
-  int max_depth;
-};
-
-
-/* "calignmentfile.pxd":188
- *     cdef _free_pileup_iter(self)
- * 
- * cdef class IteratorColumnRegion(IteratorColumn):             # <<<<<<<<<<<<<<
- *     cdef int start
- *     cdef int end
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorColumnRegion {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn __pyx_base;
-  int start;
-  int end;
-  int truncate;
-};
-
-
-/* "calignmentfile.pxd":193
- *     cdef int truncate
- * 
- * cdef class IteratorColumnAllRefs(IteratorColumn):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_14calignmentfile_IteratorColumnAllRefs {
-  struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn __pyx_base;
-};
-
-
-/* "calignmentfile.pxd":196
- *     pass
- * 
- * cdef class IndexedReads:             # <<<<<<<<<<<<<<
- *     cdef AlignmentFile samfile
- *     cdef htsFile * htsfile
- */
-struct __pyx_obj_5pysam_14calignmentfile_IndexedReads {
-  PyObject_HEAD
-  struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *samfile;
-  htsFile *htsfile;
-  PyObject *index;
-  int owns_samfile;
-  BGZF *fp;
-  bam_hdr_t *header;
-};
-
-
-/* "pysam/csamfile.pxd":9
- * from chtslib cimport *
- * 
- * cdef class AlignedRead(AlignedSegment):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_8csamfile_AlignedRead {
-  struct __pyx_obj_5pysam_14calignmentfile_AlignedSegment __pyx_base;
-};
-
-
-/* "pysam/csamfile.pxd":12
- *     pass
- * 
- * cdef class Samfile(AlignmentFile):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_8csamfile_Samfile {
-  struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile __pyx_base;
-};
-
-
-
-/* "cfaidx.pxd":14
- *         char *s
- * 
- * cdef class FastaFile:             # <<<<<<<<<<<<<<
- *     cdef object _filename, _references, _lengths, reference2length
- *     cdef faidx_t* fastafile
- */
-
-struct __pyx_vtabstruct_5pysam_6cfaidx_FastaFile {
-  char *(*_fetch)(struct __pyx_obj_5pysam_6cfaidx_FastaFile *, char *, int, int, int *);
-};
-static struct __pyx_vtabstruct_5pysam_6cfaidx_FastaFile *__pyx_vtabptr_5pysam_6cfaidx_FastaFile;
-
-
-/* "cfaidx.pxd":25
- * 
- * 
- * cdef class FastqFile:             # <<<<<<<<<<<<<<
- *     cdef object _filename
- *     cdef gzFile fastqfile
- */
-
-struct __pyx_vtabstruct_5pysam_6cfaidx_FastqFile {
-  kseq_t *(*getCurrent)(struct __pyx_obj_5pysam_6cfaidx_FastqFile *);
-  int (*cnext)(struct __pyx_obj_5pysam_6cfaidx_FastqFile *);
-};
-static struct __pyx_vtabstruct_5pysam_6cfaidx_FastqFile *__pyx_vtabptr_5pysam_6cfaidx_FastqFile;
-
-
-/* "cfaidx.pxd":35
- * 
- * # Compatibility Layer for pysam < 0.8
- * cdef class Fastafile(FastaFile):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6cfaidx_Fastafile {
-  struct __pyx_vtabstruct_5pysam_6cfaidx_FastaFile __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6cfaidx_Fastafile *__pyx_vtabptr_5pysam_6cfaidx_Fastafile;
-
-
-/* "cfaidx.pxd":38
- *     pass
- * 
- * cdef class Fastqfile(FastqFile):             # <<<<<<<<<<<<<<
- *     pass
- */
-
-struct __pyx_vtabstruct_5pysam_6cfaidx_Fastqfile {
-  struct __pyx_vtabstruct_5pysam_6cfaidx_FastqFile __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6cfaidx_Fastqfile *__pyx_vtabptr_5pysam_6cfaidx_Fastqfile;
-
-
-/* "calignmentfile.pxd":65
- * #
- * # Note: need to declare all C fields and methods here
- * cdef class AlignedSegment:             # <<<<<<<<<<<<<<
- * 
- *     # object that this AlignedSegment represents
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignedSegment {
-  PyObject *(*setTag)(struct __pyx_obj_5pysam_14calignmentfile_AlignedSegment *, PyObject *, PyObject *, int __pyx_skip_dispatch, struct __pyx_opt_args_5pysam_14calignmentfile_14AlignedSegment_setTag *__pyx_optional_args);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignedSegment *__pyx_vtabptr_5pysam_14calignmentfile_AlignedSegment;
-
-
-/* "calignmentfile.pxd":74
- *     cpdef setTag( self, tag, value, value_type = ?, replace = ? )
- * 
- * cdef class AlignmentFile:             # <<<<<<<<<<<<<<
- * 
- *     cdef object _filename
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignmentFile {
-  bam_hdr_t *(*_buildHeader)(struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *, PyObject *);
-  bam1_t *(*getCurrent)(struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *);
-  int (*cnext)(struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *);
-  int (*write)(struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *, struct __pyx_obj_5pysam_14calignmentfile_AlignedSegment *, int __pyx_skip_dispatch);
-  char *(*_getrname)(struct __pyx_obj_5pysam_14calignmentfile_AlignmentFile *, int);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignmentFile *__pyx_vtabptr_5pysam_14calignmentfile_AlignmentFile;
-
-
-/* "calignmentfile.pxd":134
- *     cdef int owns_samfile
- * 
- * cdef class IteratorRowRegion(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef hts_itr_t * iter
- *     cdef bam1_t * getCurrent( self )
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowRegion {
-  bam1_t *(*getCurrent)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowRegion *);
-  int (*cnext)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowRegion *);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowRegion *__pyx_vtabptr_5pysam_14calignmentfile_IteratorRowRegion;
-
-
-/* "calignmentfile.pxd":139
- *     cdef int cnext(self)
- * 
- * cdef class IteratorRowHead(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef int max_rows
- *     cdef int current_row
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowHead {
-  bam1_t *(*getCurrent)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowHead *);
-  int (*cnext)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowHead *);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowHead *__pyx_vtabptr_5pysam_14calignmentfile_IteratorRowHead;
-
-
-/* "calignmentfile.pxd":145
- *     cdef int cnext(self)
- * 
- * cdef class IteratorRowAll(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef bam1_t * getCurrent( self )
- *     cdef int cnext(self)
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowAll {
-  bam1_t *(*getCurrent)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowAll *);
-  int (*cnext)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowAll *);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowAll *__pyx_vtabptr_5pysam_14calignmentfile_IteratorRowAll;
-
-
-/* "calignmentfile.pxd":153
- *     cdef IteratorRowRegion rowiter
- * 
- * cdef class IteratorRowSelection(IteratorRow):             # <<<<<<<<<<<<<<
- *     cdef int current_pos
- *     cdef positions
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowSelection {
-  bam1_t *(*getCurrent)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowSelection *);
-  int (*cnext)(struct __pyx_obj_5pysam_14calignmentfile_IteratorRowSelection *);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorRowSelection *__pyx_vtabptr_5pysam_14calignmentfile_IteratorRowSelection;
-
-
-/* "calignmentfile.pxd":160
- *     cdef BGZF * fp
- * 
- * cdef class IteratorColumn:             # <<<<<<<<<<<<<<
- * 
- *     # result of the last plbuf_push
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumn {
-  int (*cnext)(struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn *);
-  char *(*getSequence)(struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn *);
-  PyObject *(*setMask)(struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn *, PyObject *);
-  PyObject *(*setupIteratorData)(struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn *, int, int, int, struct __pyx_opt_args_5pysam_14calignmentfile_14IteratorColumn_setupIteratorData *__pyx_optional_args);
-  PyObject *(*reset)(struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn *, PyObject *, PyObject *, PyObject *);
-  PyObject *(*_free_pileup_iter)(struct __pyx_obj_5pysam_14calignmentfile_IteratorColumn *);
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumn *__pyx_vtabptr_5pysam_14calignmentfile_IteratorColumn;
-
-
-/* "calignmentfile.pxd":188
- *     cdef _free_pileup_iter(self)
- * 
- * cdef class IteratorColumnRegion(IteratorColumn):             # <<<<<<<<<<<<<<
- *     cdef int start
- *     cdef int end
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumnRegion {
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumn __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumnRegion *__pyx_vtabptr_5pysam_14calignmentfile_IteratorColumnRegion;
-
-
-/* "calignmentfile.pxd":193
- *     cdef int truncate
- * 
- * cdef class IteratorColumnAllRefs(IteratorColumn):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumnAllRefs {
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumn __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_14calignmentfile_IteratorColumnAllRefs *__pyx_vtabptr_5pysam_14calignmentfile_IteratorColumnAllRefs;
-
-
-/* "pysam/csamfile.pyx":33
- * 
- * 
- * cdef class AlignedRead(AlignedSegment):             # <<<<<<<<<<<<<<
- *     '''Deprecated alternative for :class:`~pysam.AlignedSegment`
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_8csamfile_AlignedRead {
-  struct __pyx_vtabstruct_5pysam_14calignmentfile_AlignedSegment __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_8csamfile_AlignedRead *__pyx_vtabptr_5pysam_8csamfile_AlignedRead;
-
-
-/* "pysam/csamfile.pyx":25
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-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
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diff --git a/pysam/csamtools.c b/pysam/csamtools.c
deleted file mode 100644
index 1c49dc0..0000000
--- a/pysam/csamtools.c
+++ /dev/null
@@ -1,6962 +0,0 @@
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-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
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-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
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-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
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-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "csamtools.pyx",
-  "type.pxd",
-  "bool.pxd",
-  "complex.pxd",
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-
-/*--- Type declarations ---*/
-#ifndef CYTHON_REFNANNY
-  #define CYTHON_REFNANNY 0
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-  typedef struct {
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-    void (*DECREF)(void*, PyObject*, int);
-    void (*GOTREF)(void*, PyObject*, int);
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-              PyGILState_Release(__pyx_gilstate_save); \
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-  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
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-  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
-  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
-  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
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-  #define __Pyx_INCREF(r) Py_INCREF(r)
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-  #define __Pyx_GIVEREF(r)
-  #define __Pyx_XINCREF(r) Py_XINCREF(r)
-  #define __Pyx_XDECREF(r) Py_XDECREF(r)
-  #define __Pyx_XGOTREF(r)
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-#define __Pyx_XDECREF_SET(r, v) do {                            \
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-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
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-#if PY_MAJOR_VERSION < 3
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-#endif
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-#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
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-
-static PyObject *__Pyx_GetBuiltinName(PyObject *name); /*proto*/
-
-#ifndef CYTHON_PROFILE
-  #define CYTHON_PROFILE 1
-#endif
-#ifndef CYTHON_TRACE
-  #define CYTHON_TRACE 0
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-#if CYTHON_TRACE
-  #undef CYTHON_PROFILE_REUSE_FRAME
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-#ifndef CYTHON_PROFILE_REUSE_FRAME
-  #define CYTHON_PROFILE_REUSE_FRAME 0
-#endif
-#if CYTHON_PROFILE || CYTHON_TRACE
-  #include "compile.h"
-  #include "frameobject.h"
-  #include "traceback.h"
-  #if CYTHON_PROFILE_REUSE_FRAME
-    #define CYTHON_FRAME_MODIFIER static
-    #define CYTHON_FRAME_DEL
-  #else
-    #define CYTHON_FRAME_MODIFIER
-    #define CYTHON_FRAME_DEL Py_CLEAR(__pyx_frame)
-  #endif
-  #define __Pyx_TraceDeclarations                                     \
-  static PyCodeObject *__pyx_frame_code = NULL;                      \
-  CYTHON_FRAME_MODIFIER PyFrameObject *__pyx_frame = NULL;           \
-  int __Pyx_use_tracing = 0;
-  #define __Pyx_TraceCall(funcname, srcfile, firstlineno)                            \
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-      __Pyx_use_tracing = __Pyx_TraceSetupAndCall(&__pyx_frame_code, &__pyx_frame, funcname, srcfile, firstlineno);  \
-  }
-  #define __Pyx_TraceException()                                                           \
-  if (unlikely(__Pyx_use_tracing) && PyThreadState_GET()->use_tracing &&                   \
-          (PyThreadState_GET()->c_profilefunc || (CYTHON_TRACE && PyThreadState_GET()->c_tracefunc))) {  \
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-      tstate->use_tracing = 0;                                                             \
-      PyObject *exc_info = __Pyx_GetExceptionTuple();                                      \
-      if (exc_info) {                                                                      \
-          if (CYTHON_TRACE && tstate->c_tracefunc)                                         \
-              tstate->c_tracefunc(                                                         \
-                  tstate->c_traceobj, __pyx_frame, PyTrace_EXCEPTION, exc_info);          \
-          tstate->c_profilefunc(                                                           \
-              tstate->c_profileobj, __pyx_frame, PyTrace_EXCEPTION, exc_info);            \
-          Py_DECREF(exc_info);                                                             \
-      }                                                                                    \
-      tstate->use_tracing = 1;                                                             \
-  }
-  #define __Pyx_TraceReturn(result)                                                  \
-  if (unlikely(__Pyx_use_tracing) && PyThreadState_GET()->use_tracing) {             \
-      PyThreadState* tstate = PyThreadState_GET();                                   \
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-      if (CYTHON_TRACE && tstate->c_tracefunc)                                       \
-          tstate->c_tracefunc(                                                       \
-              tstate->c_traceobj, __pyx_frame, PyTrace_RETURN, (PyObject*)result);  \
-      if (tstate->c_profilefunc)                                                     \
-          tstate->c_profilefunc(                                                     \
-              tstate->c_profileobj, __pyx_frame, PyTrace_RETURN, (PyObject*)result);  \
-      CYTHON_FRAME_DEL;                                                              \
-      tstate->use_tracing = 1;                                                       \
-  }
-  static PyCodeObject *__Pyx_createFrameCodeObject(const char *funcname, const char *srcfile, int firstlineno); /*proto*/
-  static int __Pyx_TraceSetupAndCall(PyCodeObject** code, PyFrameObject** frame, const char *funcname, const char *srcfile, int firstlineno); /*proto*/
-#else
-  #define __Pyx_TraceDeclarations
-  #define __Pyx_TraceCall(funcname, srcfile, firstlineno)
-  #define __Pyx_TraceException()
-  #define __Pyx_TraceReturn(result)
-#endif /* CYTHON_PROFILE */
-#if CYTHON_TRACE
-  #define __Pyx_TraceLine(lineno)                                                          \
-  if (unlikely(__Pyx_use_tracing) && unlikely(PyThreadState_GET()->use_tracing && PyThreadState_GET()->c_tracefunc)) {    \
-      PyThreadState* tstate = PyThreadState_GET();                                         \
-      __pyx_frame->f_lineno = lineno;                                                     \
-      tstate->use_tracing = 0;                                                             \
-      tstate->c_tracefunc(tstate->c_traceobj, __pyx_frame, PyTrace_LINE, NULL);           \
-      tstate->use_tracing = 1;                                                             \
-  }
-#else
-  #define __Pyx_TraceLine(lineno)
-#endif
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); /*proto*/
-#else
-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
-#endif
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
-
-static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); /*proto*/
-
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
-    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
-    const char* function_name); /*proto*/
-
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
-    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
-
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o,n,NULL)
-static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_setattro))
-        return tp->tp_setattro(obj, attr_name, value);
-#if PY_MAJOR_VERSION < 3
-    if (likely(tp->tp_setattr))
-        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
-#endif
-    return PyObject_SetAttr(obj, attr_name, value);
-}
-#else
-#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
-#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
-#endif
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name); /*proto*/
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
-    PyListObject* L = (PyListObject*) list;
-    Py_ssize_t len = Py_SIZE(list);
-    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
-        Py_INCREF(x);
-        PyList_SET_ITEM(list, len, x);
-        Py_SIZE(list) = len+1;
-        return 0;
-    }
-    return PyList_Append(list, x);
-}
-#else
-#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
-#endif
-
-static PyObject* __Pyx_PyObject_CallMethodTuple(PyObject* obj, PyObject* method_name, PyObject* args) {
-    PyObject *method, *result = NULL;
-    if (unlikely(!args)) return NULL;
-    method = __Pyx_PyObject_GetAttrStr(obj, method_name);
-    if (unlikely(!method)) goto bad;
-    result = __Pyx_PyObject_Call(method, args, NULL);
-    Py_DECREF(method);
-bad:
-    Py_DECREF(args);
-    return result;
-}
-#define __Pyx_PyObject_CallMethod3(obj, name, arg1, arg2, arg3) \
-    __Pyx_PyObject_CallMethodTuple(obj, name, PyTuple_Pack(3, arg1, arg2, arg3))
-#define __Pyx_PyObject_CallMethod2(obj, name, arg1, arg2) \
-    __Pyx_PyObject_CallMethodTuple(obj, name, PyTuple_Pack(2, arg1, arg2))
-#define __Pyx_PyObject_CallMethod1(obj, name, arg1) \
-    __Pyx_PyObject_CallMethodTuple(obj, name, PyTuple_Pack(1, arg1))
-#define __Pyx_PyObject_CallMethod0(obj, name) \
-    __Pyx_PyObject_CallMethodTuple(obj, name, (Py_INCREF(__pyx_empty_tuple), __pyx_empty_tuple))
-
-static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x); /*proto*/
-
-#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
-    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
-    __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) : \
-    (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) : \
-               __Pyx_GetItemInt_Generic(o, to_py_func(i))))
-#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
-    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
-    __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) : \
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-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
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-#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
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-    __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) : \
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-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
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-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck);
-
-#define __Pyx_DelItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
-    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
-    __Pyx_DelItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound) : \
-    (is_list ? (PyErr_SetString(PyExc_IndexError, "list assignment index out of range"), -1) : \
-               __Pyx_DelItem_Generic(o, to_py_func(i))))
-static CYTHON_INLINE int __Pyx_DelItem_Generic(PyObject *o, PyObject *j);
-static CYTHON_INLINE int __Pyx_DelItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                               CYTHON_UNUSED int is_list, int wraparound);
-
-#include <string.h>
-
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-  /* "pysam/csamtools.pyx":73
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-  /* "pysam/csamtools.pyx":1
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-static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
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-    if (unlikely(!result)) {
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-#if PY_MAJOR_VERSION >= 3
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-#if CYTHON_PROFILE
-static int __Pyx_TraceSetupAndCall(PyCodeObject** code,
-                                   PyFrameObject** frame,
-                                   const char *funcname,
-                                   const char *srcfile,
-                                   int firstlineno) {
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-    if (*frame == NULL || !CYTHON_PROFILE_REUSE_FRAME) {
-        if (*code == NULL) {
-            *code = __Pyx_createFrameCodeObject(funcname, srcfile, firstlineno);
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-        retval = tstate->c_profilefunc(tstate->c_profileobj, *frame, PyTrace_CALL, NULL) == 0;
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-    return tstate->use_tracing && retval;
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-static PyCodeObject *__Pyx_createFrameCodeObject(const char *funcname, const char *srcfile, int firstlineno) {
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    PyCodeObject *py_code = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_funcname = PyString_FromString(funcname);
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-    py_code = PyCode_New(
-        0,                /*int argcount,*/
-        #if PY_MAJOR_VERSION >= 3
-        0,                /*int kwonlyargcount,*/
-        #endif
-        0,                /*int nlocals,*/
-        0,                /*int stacksize,*/
-        0,                /*int flags,*/
-        __pyx_empty_bytes,     /*PyObject *code,*/
-        __pyx_empty_tuple,     /*PyObject *consts,*/
-        __pyx_empty_tuple,     /*PyObject *names,*/
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-        __pyx_empty_tuple,     /*PyObject *cellvars,*/
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-        py_funcname,      /*PyObject *name,*/
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-        __pyx_empty_bytes      /*PyObject *lnotab*/
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-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
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-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-#endif
-    result = (*call)(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    Py_LeaveRecursiveCall();
-#endif
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
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-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
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-    Py_XDECREF(tmp_type);
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-#else
-    PyErr_Restore(type, value, tb);
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-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
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-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
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-        Py_INCREF(value);
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-        tb = NULL;
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-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
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-    #if PY_VERSION_HEX < 0x02050000
-    if (PyClass_Check(type)) {
-    #else
-    if (PyType_Check(type)) {
-    #endif
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
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-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
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-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
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-        value = type;
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyInstance_Check(type)) {
-            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-            Py_INCREF(type);
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-            type = 0;
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception must be an old-style class or instance");
-            goto raise_error;
-        }
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-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-        #endif
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-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else /* Python 3+ */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
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-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
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-                    instance_class = NULL;
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-        if (!instance_class) {
-            PyObject *args;
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-                Py_INCREF(value);
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-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
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-                goto bad;
-            value = owned_instance;
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-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
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-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
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-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
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-#endif
-
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
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-                        && _PyString_Eq(**name, key)) {
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-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
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-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
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-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
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-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
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-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
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-                    argname++;
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-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
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-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
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-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
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-bad:
-    return -1;
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-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
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-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
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-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
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-#else
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-    if (!result) {
-        PyErr_Clear();
-#endif
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-static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
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-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
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-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
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-        Py_INCREF(r);
-        return r;
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-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
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-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
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-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return NULL;
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static CYTHON_INLINE int __Pyx_DelItem_Generic(PyObject *o, PyObject *j) {
-    int r;
-    if (!j) return -1;
-    r = PyObject_DelItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE int __Pyx_DelItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                               CYTHON_UNUSED int is_list, int wraparound) {
-#if CYTHON_COMPILING_IN_PYPY
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_DelItem(o, i);
-    }
-#else
-    PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-    if (likely(m && m->sq_ass_item)) {
-        if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-            Py_ssize_t l = m->sq_length(o);
-            if (likely(l >= 0)) {
-                i += l;
-            } else {
-                if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                    PyErr_Clear();
-                else
-                    return -1;
-            }
-        }
-        return m->sq_ass_item(o, i, (PyObject *)NULL);
-    }
-#endif
-    return __Pyx_DelItem_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-#endif
-}
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
-#endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
-#if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
-            return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
-#endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        #if CYTHON_PEP393_ENABLED
-        if (unlikely(PyUnicode_READY(s1) < 0) || unlikely(PyUnicode_READY(s2) < 0))
-            return -1;
-        #endif
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
-        }
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, length * kind);
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_NE);
-#endif
-}
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#endif
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-#else
-    PyErr_GetExcInfo(type, value, tb);
-#endif
-}
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(type, value, tb);
-#endif
-}
-
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (unlikely(tstate->curexc_type))
-#else
-    if (unlikely(PyErr_Occurred()))
-#endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
-    }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
-#endif
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
-    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-#else
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-#endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-static PyObject *
-__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
-{
-    if (unlikely(op->func_doc == NULL)) {
-        if (op->func.m_ml->ml_doc) {
-#if PY_MAJOR_VERSION >= 3
-            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
-#else
-            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
-#endif
-            if (unlikely(op->func_doc == NULL))
-                return NULL;
-        } else {
-            Py_INCREF(Py_None);
-            return Py_None;
-        }
-    }
-    Py_INCREF(op->func_doc);
-    return op->func_doc;
-}
-static int
-__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp = op->func_doc;
-    if (value == NULL)
-        value = Py_None; /* Mark as deleted */
-    Py_INCREF(value);
-    op->func_doc = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_name == NULL)) {
-#if PY_MAJOR_VERSION >= 3
-        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
-#else
-        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
-#endif
-        if (unlikely(op->func_name == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_name);
-    return op->func_name;
-}
-static int
-__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_name;
-    Py_INCREF(value);
-    op->func_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_qualname);
-    return op->func_qualname;
-}
-static int
-__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_qualname;
-    Py_INCREF(value);
-    op->func_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
-{
-    PyObject *self;
-    self = m->func_closure;
-    if (self == NULL)
-        self = Py_None;
-    Py_INCREF(self);
-    return self;
-}
-static PyObject *
-__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_dict == NULL)) {
-        op->func_dict = PyDict_New();
-        if (unlikely(op->func_dict == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_dict);
-    return op->func_dict;
-}
-static int
-__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-    if (unlikely(value == NULL)) {
-        PyErr_SetString(PyExc_TypeError,
-               "function's dictionary may not be deleted");
-        return -1;
-    }
-    if (unlikely(!PyDict_Check(value))) {
-        PyErr_SetString(PyExc_TypeError,
-               "setting function's dictionary to a non-dict");
-        return -1;
-    }
-    tmp = op->func_dict;
-    Py_INCREF(value);
-    op->func_dict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_globals);
-    return op->func_globals;
-}
-static PyObject *
-__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
-{
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-static PyObject *
-__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
-{
-    PyObject* result = (op->func_code) ? op->func_code : Py_None;
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
-    PyObject *res = op->defaults_getter((PyObject *) op);
-    if (unlikely(!res))
-        return -1;
-    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
-    Py_INCREF(op->defaults_tuple);
-    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
-    Py_INCREF(op->defaults_kwdict);
-    Py_DECREF(res);
-    return 0;
-}
-static int
-__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyTuple_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__defaults__ must be set to a tuple object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_tuple;
-    op->defaults_tuple = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_tuple;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_tuple;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_kwdict;
-    op->defaults_kwdict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_kwdict;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_kwdict;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value || value == Py_None) {
-        value = NULL;
-    } else if (!PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__annotations__ must be set to a dict object");
-        return -1;
-    }
-    Py_XINCREF(value);
-    tmp = op->func_annotations;
-    op->func_annotations = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->func_annotations;
-    if (unlikely(!result)) {
-        result = PyDict_New();
-        if (unlikely(!result)) return NULL;
-        op->func_annotations = result;
-    }
-    Py_INCREF(result);
-    return result;
-}
-static PyGetSetDef __pyx_CyFunction_getsets[] = {
-    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
-    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
-    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
-    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
-    {0, 0, 0, 0, 0}
-};
-#ifndef PY_WRITE_RESTRICTED /* < Py2.5 */
-#define PY_WRITE_RESTRICTED WRITE_RESTRICTED
-#endif
-static PyMemberDef __pyx_CyFunction_members[] = {
-    {(char *) "__module__", T_OBJECT, offsetof(__pyx_CyFunctionObject, func.m_module), PY_WRITE_RESTRICTED, 0},
-    {0, 0, 0,  0, 0}
-};
-static PyObject *
-__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromString(m->func.m_ml->ml_name);
-#else
-    return PyString_FromString(m->func.m_ml->ml_name);
-#endif
-}
-static PyMethodDef __pyx_CyFunction_methods[] = {
-    {__Pyx_NAMESTR("__reduce__"), (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
-                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
-    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
-    if (op == NULL)
-        return NULL;
-    op->flags = flags;
-    op->func_weakreflist = NULL;
-    op->func.m_ml = ml;
-    op->func.m_self = (PyObject *) op;
-    Py_XINCREF(closure);
-    op->func_closure = closure;
-    Py_XINCREF(module);
-    op->func.m_module = module;
-    op->func_dict = NULL;
-    op->func_name = NULL;
-    Py_INCREF(qualname);
-    op->func_qualname = qualname;
-    op->func_doc = NULL;
-    op->func_classobj = NULL;
-    op->func_globals = globals;
-    Py_INCREF(op->func_globals);
-    Py_XINCREF(code);
-    op->func_code = code;
-    op->defaults_pyobjects = 0;
-    op->defaults = NULL;
-    op->defaults_tuple = NULL;
-    op->defaults_kwdict = NULL;
-    op->defaults_getter = NULL;
-    op->func_annotations = NULL;
-    PyObject_GC_Track(op);
-    return (PyObject *) op;
-}
-static int
-__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
-{
-    Py_CLEAR(m->func_closure);
-    Py_CLEAR(m->func.m_module);
-    Py_CLEAR(m->func_dict);
-    Py_CLEAR(m->func_name);
-    Py_CLEAR(m->func_qualname);
-    Py_CLEAR(m->func_doc);
-    Py_CLEAR(m->func_globals);
-    Py_CLEAR(m->func_code);
-    Py_CLEAR(m->func_classobj);
-    Py_CLEAR(m->defaults_tuple);
-    Py_CLEAR(m->defaults_kwdict);
-    Py_CLEAR(m->func_annotations);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_XDECREF(pydefaults[i]);
-        PyMem_Free(m->defaults);
-        m->defaults = NULL;
-    }
-    return 0;
-}
-static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    PyObject_GC_UnTrack(m);
-    if (m->func_weakreflist != NULL)
-        PyObject_ClearWeakRefs((PyObject *) m);
-    __Pyx_CyFunction_clear(m);
-    PyObject_GC_Del(m);
-}
-static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
-{
-    Py_VISIT(m->func_closure);
-    Py_VISIT(m->func.m_module);
-    Py_VISIT(m->func_dict);
-    Py_VISIT(m->func_name);
-    Py_VISIT(m->func_qualname);
-    Py_VISIT(m->func_doc);
-    Py_VISIT(m->func_globals);
-    Py_VISIT(m->func_code);
-    Py_VISIT(m->func_classobj);
-    Py_VISIT(m->defaults_tuple);
-    Py_VISIT(m->defaults_kwdict);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_VISIT(pydefaults[i]);
-    }
-    return 0;
-}
-static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
-        Py_INCREF(func);
-        return func;
-    }
-    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
-        if (type == NULL)
-            type = (PyObject *)(Py_TYPE(obj));
-        return PyMethod_New(func,
-                            type, (PyObject *)(Py_TYPE(type)));
-    }
-    if (obj == Py_None)
-        obj = NULL;
-    return PyMethod_New(func, obj, type);
-}
-static PyObject*
-__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromFormat("<cyfunction %U at %p>",
-                                op->func_qualname, (void *)op);
-#else
-    return PyString_FromFormat("<cyfunction %s at %p>",
-                               PyString_AsString(op->func_qualname), (void *)op);
-#endif
-}
-#if CYTHON_COMPILING_IN_PYPY
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyCFunctionObject* f = (PyCFunctionObject*)func;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    Py_ssize_t size;
-    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
-    case METH_VARARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
-            return (*meth)(self, arg);
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-    case METH_NOARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 0)
-                return (*meth)(self, NULL);
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    case METH_O:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 1)
-                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-        return NULL;
-    }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
-}
-#else
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-	return PyCFunction_Call(func, arg, kw);
-}
-#endif
-static PyTypeObject __pyx_CyFunctionType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    __Pyx_NAMESTR("cython_function_or_method"), /*tp_name*/
-    sizeof(__pyx_CyFunctionObject),   /*tp_basicsize*/
-    0,                                  /*tp_itemsize*/
-    (destructor) __Pyx_CyFunction_dealloc, /*tp_dealloc*/
-    0,                                  /*tp_print*/
-    0,                                  /*tp_getattr*/
-    0,                                  /*tp_setattr*/
-#if PY_MAJOR_VERSION < 3
-    0,                                  /*tp_compare*/
-#else
-    0,                                  /*reserved*/
-#endif
-    (reprfunc) __Pyx_CyFunction_repr,   /*tp_repr*/
-    0,                                  /*tp_as_number*/
-    0,                                  /*tp_as_sequence*/
-    0,                                  /*tp_as_mapping*/
-    0,                                  /*tp_hash*/
-    __Pyx_CyFunction_Call,              /*tp_call*/
-    0,                                  /*tp_str*/
-    0,                                  /*tp_getattro*/
-    0,                                  /*tp_setattro*/
-    0,                                  /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
-    0,                                  /*tp_doc*/
-    (traverseproc) __Pyx_CyFunction_traverse,   /*tp_traverse*/
-    (inquiry) __Pyx_CyFunction_clear,   /*tp_clear*/
-    0,                                  /*tp_richcompare*/
-    offsetof(__pyx_CyFunctionObject, func_weakreflist), /* tp_weaklistoffse */
-    0,                                  /*tp_iter*/
-    0,                                  /*tp_iternext*/
-    __pyx_CyFunction_methods,           /*tp_methods*/
-    __pyx_CyFunction_members,           /*tp_members*/
-    __pyx_CyFunction_getsets,           /*tp_getset*/
-    0,                                  /*tp_base*/
-    0,                                  /*tp_dict*/
-    __Pyx_CyFunction_descr_get,         /*tp_descr_get*/
-    0,                                  /*tp_descr_set*/
-    offsetof(__pyx_CyFunctionObject, func_dict),/*tp_dictoffset*/
-    0,                                  /*tp_init*/
-    0,                                  /*tp_alloc*/
-    0,                                  /*tp_new*/
-    0,                                  /*tp_free*/
-    0,                                  /*tp_is_gc*/
-    0,                                  /*tp_bases*/
-    0,                                  /*tp_mro*/
-    0,                                  /*tp_cache*/
-    0,                                  /*tp_subclasses*/
-    0,                                  /*tp_weaklist*/
-    0,                                  /*tp_del*/
-#if PY_VERSION_HEX >= 0x02060000
-    0,                                  /*tp_version_tag*/
-#endif
-#if PY_VERSION_HEX >= 0x030400a1
-    0,                                  /*tp_finalize*/
-#endif
-};
-static int __Pyx_CyFunction_init(void) {
-#if !CYTHON_COMPILING_IN_PYPY
-    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
-#endif
-    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
-    if (__pyx_CyFunctionType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults = PyMem_Malloc(size);
-    if (!m->defaults)
-        return PyErr_NoMemory();
-    memset(m->defaults, 0, size);
-    m->defaults_pyobjects = pyobjects;
-    return m->defaults;
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_tuple = tuple;
-    Py_INCREF(tuple);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_kwdict = dict;
-    Py_INCREF(dict);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->func_annotations = dict;
-    Py_INCREF(dict);
-}
-
-static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
-    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
-    for (i=0; i < nbases; i++) {
-        PyTypeObject *tmptype;
-        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
-        tmptype = Py_TYPE(tmp);
-#if PY_MAJOR_VERSION < 3
-        if (tmptype == &PyClass_Type)
-            continue;
-#endif
-        if (!metaclass) {
-            metaclass = tmptype;
-            continue;
-        }
-        if (PyType_IsSubtype(metaclass, tmptype))
-            continue;
-        if (PyType_IsSubtype(tmptype, metaclass)) {
-            metaclass = tmptype;
-            continue;
-        }
-        PyErr_SetString(PyExc_TypeError,
-                        "metaclass conflict: "
-                        "the metaclass of a derived class "
-                        "must be a (non-strict) subclass "
-                        "of the metaclasses of all its bases");
-        return NULL;
-    }
-    if (!metaclass) {
-#if PY_MAJOR_VERSION < 3
-        metaclass = &PyClass_Type;
-#else
-        metaclass = &PyType_Type;
-#endif
-    }
-    Py_INCREF((PyObject*) metaclass);
-    return (PyObject*) metaclass;
-}
-
-static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
-                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
-    PyObject *ns;
-    if (metaclass) {
-        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
-        if (prep) {
-            PyObject *pargs = PyTuple_Pack(2, name, bases);
-            if (unlikely(!pargs)) {
-                Py_DECREF(prep);
-                return NULL;
-            }
-            ns = PyObject_Call(prep, pargs, mkw);
-            Py_DECREF(prep);
-            Py_DECREF(pargs);
-        } else {
-            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
-                return NULL;
-            PyErr_Clear();
-            ns = PyDict_New();
-        }
-    } else {
-        ns = PyDict_New();
-    }
-    if (unlikely(!ns))
-        return NULL;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
-    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
-    return ns;
-bad:
-    Py_DECREF(ns);
-    return NULL;
-}
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
-                                      PyObject *dict, PyObject *mkw,
-                                      int calculate_metaclass, int allow_py2_metaclass) {
-    PyObject *result, *margs;
-    PyObject *owned_metaclass = NULL;
-    if (allow_py2_metaclass) {
-        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
-        if (owned_metaclass) {
-            metaclass = owned_metaclass;
-        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
-            PyErr_Clear();
-        } else {
-            return NULL;
-        }
-    }
-    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
-        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
-        Py_XDECREF(owned_metaclass);
-        if (unlikely(!metaclass))
-            return NULL;
-        owned_metaclass = metaclass;
-    }
-    margs = PyTuple_Pack(3, name, bases, dict);
-    if (unlikely(!margs)) {
-        result = NULL;
-    } else {
-        result = PyObject_Call(metaclass, margs, mkw);
-        Py_DECREF(margs);
-    }
-    Py_XDECREF(owned_metaclass);
-    return result;
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
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-    return Py_INCREF(x), x;
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-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
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-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
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-    if (!PyLong_Check(res)) {
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-      return NULL;
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-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
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-  #if PY_VERSION_HEX < 0x02060000
-    return PyInt_AsSsize_t(b);
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-    return PyLong_AsSsize_t(b);
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-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
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-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
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-       return PyInt_FromLong((long)ival);
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-       unsigned char *bytes = (unsigned char *) &ival;
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-
-#endif /* Py_PYTHON_H */
diff --git a/pysam/ctabix.c b/pysam/ctabix.c
deleted file mode 100644
index 266f5cc..0000000
--- a/pysam/ctabix.c
+++ /dev/null
@@ -1,15462 +0,0 @@
-/* Generated by Cython 0.20.1 on Fri Nov 21 19:49:04 2014 */
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-#define PY_SSIZE_T_CLEAN
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-#ifndef Py_HUGE_VAL
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-#define Py_OptimizeFlag 0
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-                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
-                                 (PyObject*)0))
-  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
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-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
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-  #define PyInt_AsLong                 PyLong_AsLong
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-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "ctabix.pyx",
-  "type.pxd",
-  "bool.pxd",
-  "complex.pxd",
-  "TabProxies.pxd",
-};
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5pysam_10TabProxies_TupleProxy;
-struct __pyx_obj_5pysam_10TabProxies_GTFProxy;
-struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy;
-struct __pyx_obj_5pysam_10TabProxies_BedProxy;
-struct __pyx_obj_5pysam_10TabProxies_VCFProxy;
-struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator;
-struct __pyx_obj_5pysam_6ctabix_TabixFile;
-struct __pyx_obj_5pysam_6ctabix_Parser;
-struct __pyx_obj_5pysam_6ctabix_asTuple;
-struct __pyx_obj_5pysam_6ctabix_asGTF;
-struct __pyx_obj_5pysam_6ctabix_asBed;
-struct __pyx_obj_5pysam_6ctabix_asVCF;
-struct __pyx_obj_5pysam_6ctabix_TabixIterator;
-struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed;
-struct __pyx_obj_5pysam_6ctabix_GZIterator;
-struct __pyx_obj_5pysam_6ctabix_GZIteratorHead;
-struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed;
-struct __pyx_obj_5pysam_6ctabix_Tabixfile;
-struct __pyx_opt_args_5pysam_6ctabix__force_str;
-struct __pyx_opt_args_5pysam_6ctabix__force_bytes;
-struct __pyx_opt_args_5pysam_6ctabix__charptr_to_str;
-
-/* "pysam/ctabix.pxd":50
- * ###########################################
- * # used by cvcf.pyx
- * cdef _force_str(object s, encoding=?)             # <<<<<<<<<<<<<<
- * 
- * ###########################################
- */
-struct __pyx_opt_args_5pysam_6ctabix__force_str {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "pysam/ctabix.pyx":51
- *         raise TypeError, u"Argument must be string or unicode."
- * 
- * cdef inline bytes _force_bytes(object s, encoding="ascii"):             # <<<<<<<<<<<<<<
- *     u"""convert string or unicode object to bytes, assuming ascii encoding.
- *     """
- */
-struct __pyx_opt_args_5pysam_6ctabix__force_bytes {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "pysam/ctabix.pyx":65
- *         raise TypeError, u"Argument must be string, bytes or unicode."
- * 
- * cdef inline _charptr_to_str(char* s, encoding="ascii"):             # <<<<<<<<<<<<<<
- *     if PY_MAJOR_VERSION < 3:
- *         return s
- */
-struct __pyx_opt_args_5pysam_6ctabix__charptr_to_str {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "TabProxies.pxd":41
- *   ctypedef int uint64_t
- * 
- * cdef class TupleProxy:             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_TupleProxy {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy *__pyx_vtab;
-  char *data;
-  char **fields;
-  int nfields;
-  int index;
-  int nbytes;
-  int offset;
-  int is_modified;
-  PyObject *encoding;
-};
-
-
-/* "TabProxies.pxd":63
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class GTFProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_GTFProxy {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-  char *_attributes;
-  int hasOwnAttributes;
-};
-
-
-/* "TabProxies.pxd":73
- *     cdef char * getAttributes( self )
- * 
- * cdef class NamedTupleProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-};
-
-
-/* "TabProxies.pxd":76
- *     pass
- * 
- * cdef class BedProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_BedProxy {
-  struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-  char *contig;
-  uint32_t start;
-  uint32_t end;
-  int bedfields;
-};
-
-
-/* "TabProxies.pxd":88
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class VCFProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_VCFProxy {
-  struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-  char *contig;
-  uint32_t pos;
-};
-
-
-/* "pysam/ctabix.pxd":19
- *     kstream_t, kstring_t, gzFile, tbx_t
- * 
- * cdef class tabix_file_iterator:             # <<<<<<<<<<<<<<
- *     cdef gzFile fh
- *     cdef kstream_t * kstream
- */
-struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_tabix_file_iterator *__pyx_vtab;
-  gzFile fh;
-  kstream_t *kstream;
-  kstring_t buffer;
-  size_t size;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-  int fd;
-  int duplicated_fd;
-  PyObject *infile;
-};
-
-
-/* "pysam/ctabix.pxd":31
- *     cdef __cnext__(self)
- * 
- * cdef class TabixFile:             # <<<<<<<<<<<<<<
- * 
- *     # pointer to tabixfile
- */
-struct __pyx_obj_5pysam_6ctabix_TabixFile {
-  PyObject_HEAD
-  htsFile *tabixfile;
-  tbx_t *index;
-  int isremote;
-  PyObject *_filename;
-  PyObject *_filename_index;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-  PyObject *encoding;
-};
-
-
-/* "pysam/ctabix.pxd":53
- * 
- * ###########################################
- * cdef class Parser:             # <<<<<<<<<<<<<<
- *     cdef encoding
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_Parser {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_Parser *__pyx_vtab;
-  PyObject *encoding;
-};
-
-
-/* "pysam/ctabix.pxd":58
- *     cdef parse(self, char * buffer, int len)
- * 
- * cdef class asTuple(Parser):             # <<<<<<<<<<<<<<
- *     cdef parse(self, char * buffer, int len)
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asTuple {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "pysam/ctabix.pxd":61
- *     cdef parse(self, char * buffer, int len)
- * 
- * cdef class asGTF(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asGTF {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "pysam/ctabix.pxd":64
- *     pass
- * 
- * cdef class asBed(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asBed {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "pysam/ctabix.pxd":67
- *     pass
- * 
- * cdef class asVCF(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asVCF {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "pysam/ctabix.pxd":70
- *     pass
- * 
- * cdef class TabixIterator:             # <<<<<<<<<<<<<<
- *     cdef hts_itr_t * iterator
- *     cdef TabixFile tabixfile
- */
-struct __pyx_obj_5pysam_6ctabix_TabixIterator {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_TabixIterator *__pyx_vtab;
-  hts_itr_t *iterator;
-  struct __pyx_obj_5pysam_6ctabix_TabixFile *tabixfile;
-  kstring_t buffer;
-  PyObject *encoding;
-};
-
-
-/* "pysam/ctabix.pxd":77
- *     cdef int __cnext__(self)
- * 
- * cdef class TabixIteratorParsed(TabixIterator):             # <<<<<<<<<<<<<<
- *     cdef Parser parser
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed {
-  struct __pyx_obj_5pysam_6ctabix_TabixIterator __pyx_base;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-};
-
-
-/* "pysam/ctabix.pxd":80
- *     cdef Parser parser
- * 
- * cdef class GZIterator:             # <<<<<<<<<<<<<<
- *     cdef object _filename
- *     cdef gzFile gzipfile
- */
-struct __pyx_obj_5pysam_6ctabix_GZIterator {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_GZIterator *__pyx_vtab;
-  PyObject *_filename;
-  gzFile gzipfile;
-  kstream_t *kstream;
-  kstring_t buffer;
-  PyObject *encoding;
-};
-
-
-/* "pysam/ctabix.pxd":88
- *     cdef encoding
- * 
- * cdef class GZIteratorHead(GZIterator):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_GZIteratorHead {
-  struct __pyx_obj_5pysam_6ctabix_GZIterator __pyx_base;
-};
-
-
-/* "pysam/ctabix.pxd":91
- *     pass
- * 
- * cdef class GZIteratorParsed(GZIterator):             # <<<<<<<<<<<<<<
- *     cdef Parser parser
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed {
-  struct __pyx_obj_5pysam_6ctabix_GZIterator __pyx_base;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-};
-
-
-/* "pysam/ctabix.pxd":95
- * 
- * # Compatibility Layer for pysam < 0.8
- * cdef class Tabixfile(TabixFile):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_Tabixfile {
-  struct __pyx_obj_5pysam_6ctabix_TabixFile __pyx_base;
-};
-
-
-
-/* "TabProxies.pxd":41
- *   ctypedef int uint64_t
- * 
- * cdef class TupleProxy:             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy {
-  int (*getMaxFields)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *);
-  int (*getMinFields)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *);
-  PyObject *(*take)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-  PyObject *(*present)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-  PyObject *(*copy)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-  PyObject *(*update)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy *__pyx_vtabptr_5pysam_10TabProxies_TupleProxy;
-
-
-/* "TabProxies.pxd":63
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class GTFProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_GTFProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy __pyx_base;
-  char *(*getAttributes)(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *);
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_GTFProxy *__pyx_vtabptr_5pysam_10TabProxies_GTFProxy;
-
-
-/* "TabProxies.pxd":73
- *     cdef char * getAttributes( self )
- * 
- * cdef class NamedTupleProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy *__pyx_vtabptr_5pysam_10TabProxies_NamedTupleProxy;
-
-
-/* "TabProxies.pxd":76
- *     pass
- * 
- * cdef class BedProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_BedProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_BedProxy *__pyx_vtabptr_5pysam_10TabProxies_BedProxy;
-
-
-/* "TabProxies.pxd":88
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class VCFProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_VCFProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_VCFProxy *__pyx_vtabptr_5pysam_10TabProxies_VCFProxy;
-
-
-/* "pysam/ctabix.pyx":923
- * 
- * 
- * cdef class tabix_file_iterator:             # <<<<<<<<<<<<<<
- *     '''iterate over a compressed or uncompressed ``infile``.
- *     '''
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_tabix_file_iterator {
-  PyObject *(*__pyx___cnext__)(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *);
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_tabix_file_iterator *__pyx_vtabptr_5pysam_6ctabix_tabix_file_iterator;
-
-
-/* "pysam/ctabix.pyx":85
- * 
- * 
- * cdef class Parser:             # <<<<<<<<<<<<<<
- * 
- *     def __init__(self, encoding="ascii"):
- */
-
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-static PyTypeObject *__pyx_ptype_7cpython_4bool_bool = 0;
-
-/* Module declarations from 'cpython.long' */
-
-/* Module declarations from 'cpython.float' */
-
-/* Module declarations from '__builtin__' */
-
-/* Module declarations from 'cpython.complex' */
-static PyTypeObject *__pyx_ptype_7cpython_7complex_complex = 0;
-
-/* Module declarations from 'cpython.string' */
-
-/* Module declarations from 'cpython.unicode' */
-
-/* Module declarations from 'cpython.dict' */
-
-/* Module declarations from 'cpython.instance' */
-
-/* Module declarations from 'cpython.function' */
-
-/* Module declarations from 'cpython.method' */
-
-/* Module declarations from 'cpython.weakref' */
-
-/* Module declarations from 'cpython.getargs' */
-
-/* Module declarations from 'cpython.pythread' */
-
-/* Module declarations from 'cpython.pystate' */
-
-/* Module declarations from 'cpython.cobject' */
-
-/* Module declarations from 'cpython.oldbuffer' */
-
-/* Module declarations from 'cpython.set' */
-
-/* Module declarations from 'cpython.buffer' */
-
-/* Module declarations from 'cpython.bytes' */
-
-/* Module declarations from 'cpython.pycapsule' */
-
-/* Module declarations from 'cpython' */
-
-/* Module declarations from 'pysam.TabProxies' */
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_TupleProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_GTFProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_NamedTupleProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_BedProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_VCFProxy = 0;
-
-/* Module declarations from 'pysam.ctabix' */
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_tabix_file_iterator = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_TabixFile = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_Parser = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asTuple = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asGTF = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asBed = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asVCF = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_TabixIterator = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_TabixIteratorParsed = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_GZIterator = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_GZIteratorHead = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_GZIteratorParsed = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_Tabixfile = 0;
-static PyObject *__pyx_v_5pysam_6ctabix__FILENAME_ENCODING = 0;
-static PyObject *__pyx_f_5pysam_6ctabix__force_str(PyObject *, struct __pyx_opt_args_5pysam_6ctabix__force_str *__pyx_optional_args); /*proto*/
-static CYTHON_INLINE PyObject *__pyx_f_5pysam_6ctabix__encodeFilename(PyObject *); /*proto*/
-static CYTHON_INLINE PyObject *__pyx_f_5pysam_6ctabix__force_bytes(PyObject *, struct __pyx_opt_args_5pysam_6ctabix__force_bytes *__pyx_optional_args); /*proto*/
-static CYTHON_INLINE PyObject *__pyx_f_5pysam_6ctabix__charptr_to_str(char *, struct __pyx_opt_args_5pysam_6ctabix__charptr_to_str *__pyx_optional_args); /*proto*/
-#define __Pyx_MODULE_NAME "pysam.ctabix"
-int __pyx_module_is_main_pysam__ctabix = 0;
-
-/* Implementation of 'pysam.ctabix' */
-static PyObject *__pyx_builtin_TypeError;
-static PyObject *__pyx_builtin_NotImplementedError;
-static PyObject *__pyx_builtin_IOError;
-static PyObject *__pyx_builtin_ValueError;
-static PyObject *__pyx_builtin_StopIteration;
-static PyObject *__pyx_builtin_OSError;
-static PyObject *__pyx_builtin_ord;
-static PyObject *__pyx_builtin_KeyError;
-static int __pyx_pf_5pysam_6ctabix_6Parser___init__(struct __pyx_obj_5pysam_6ctabix_Parser *__pyx_v_self, PyObject *__pyx_v_encoding); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_6Parser_2set_encoding(struct __pyx_obj_5pysam_6ctabix_Parser *__pyx_v_self, PyObject *__pyx_v_encoding); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_6Parser_4get_encoding(struct __pyx_obj_5pysam_6ctabix_Parser *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_6Parser_6__call__(struct __pyx_obj_5pysam_6ctabix_Parser *__pyx_v_self, char *__pyx_v_buffer, int __pyx_v_length); /* proto */
-static int __pyx_pf_5pysam_6ctabix_9TabixFile___cinit__(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self, PyObject *__pyx_v_filename, PyObject *__pyx_v_mode, PyObject *__pyx_v_parser, PyObject *__pyx_v_index, PyObject *__pyx_v_encoding, PyObject *__pyx_v_args, PyObject *__pyx_v_kwargs); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_2_open(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self, PyObject *__pyx_v_filename, PyObject *__pyx_v_mode, PyObject *__pyx_v_index); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_4_dup(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_6_isOpen(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_8fetch(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self, PyObject *__pyx_v_reference, PyObject *__pyx_v_start, PyObject *__pyx_v_end, PyObject *__pyx_v_region, PyObject *__pyx_v_parser, PyObject *__pyx_v_multiple_iterators); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_8filename___get__(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_6header___get__(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_7contigs___get__(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_9TabixFile_10close(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static void __pyx_pf_5pysam_6ctabix_9TabixFile_12__dealloc__(struct __pyx_obj_5pysam_6ctabix_TabixFile *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_6ctabix_13TabixIterator___init__(struct __pyx_obj_5pysam_6ctabix_TabixIterator *__pyx_v_self, PyObject *__pyx_v_encoding); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_13TabixIterator_2__iter__(struct __pyx_obj_5pysam_6ctabix_TabixIterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_13TabixIterator_4__next__(struct __pyx_obj_5pysam_6ctabix_TabixIterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_13TabixIterator_6next(struct __pyx_obj_5pysam_6ctabix_TabixIterator *__pyx_v_self); /* proto */
-static void __pyx_pf_5pysam_6ctabix_13TabixIterator_8__dealloc__(struct __pyx_obj_5pysam_6ctabix_TabixIterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_13EmptyIterator___iter__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_13EmptyIterator_2next(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_13EmptyIterator_4__next__(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_6ctabix_19TabixIteratorParsed___init__(struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *__pyx_v_self, struct __pyx_obj_5pysam_6ctabix_Parser *__pyx_v_parser); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_19TabixIteratorParsed_2__next__(struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_6ctabix_10GZIterator___init__(struct __pyx_obj_5pysam_6ctabix_GZIterator *__pyx_v_self, PyObject *__pyx_v_filename, int __pyx_v_buffer_size, PyObject *__pyx_v_encoding); /* proto */
-static void __pyx_pf_5pysam_6ctabix_10GZIterator_2__dealloc__(struct __pyx_obj_5pysam_6ctabix_GZIterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_10GZIterator_4__iter__(struct __pyx_obj_5pysam_6ctabix_GZIterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_10GZIterator_6__next__(struct __pyx_obj_5pysam_6ctabix_GZIterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_14GZIteratorHead___next__(struct __pyx_obj_5pysam_6ctabix_GZIteratorHead *__pyx_v_self); /* proto */
-static int __pyx_pf_5pysam_6ctabix_16GZIteratorParsed___init__(struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed *__pyx_v_self, PyObject *__pyx_v_parser); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_16GZIteratorParsed_2__next__(struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_tabix_compress(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_filename_in, PyObject *__pyx_v_filename_out, PyObject *__pyx_v_force); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_2tabix_index(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_filename, PyObject *__pyx_v_force, PyObject *__pyx_v_seq_col, PyObject *__pyx_v_start_col, PyObject *__pyx_v_end_col, PyObject *__pyx_v_preset, PyObject *__pyx_v_meta_char, PyObject *__pyx_v_zerobased, PyObject *__pyx_v_min_shift); /* proto */
-static int __pyx_pf_5pysam_6ctabix_19tabix_file_iterator___cinit__(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *__pyx_v_self, PyObject *__pyx_v_infile, struct __pyx_obj_5pysam_6ctabix_Parser *__pyx_v_parser, int __pyx_v_buffer_size); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_19tabix_file_iterator_2__iter__(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *__pyx_v_self); /* proto */
-static void __pyx_pf_5pysam_6ctabix_19tabix_file_iterator_4__dealloc__(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_19tabix_file_iterator_6__next__(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_19tabix_file_iterator_8next(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_22tabix_generic_iterator___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_infile, PyObject *__pyx_v_parser); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_22tabix_generic_iterator_2__iter__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_22tabix_generic_iterator_4__next__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_22tabix_generic_iterator_6next(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_6ctabix_4tabix_iterator(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_infile, PyObject *__pyx_v_parser); /* proto */
-static PyObject *__pyx_tp_new_5pysam_6ctabix_tabix_file_iterator(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_TabixFile(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_Parser(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asTuple(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asGTF(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asBed(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asVCF(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_TabixIterator(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_TabixIteratorParsed(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_GZIterator(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_GZIteratorHead(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_GZIteratorParsed(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_6ctabix_Tabixfile(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static char __pyx_k_b[] = "b";
-static char __pyx_k_c[] = "c";
-static char __pyx_k_r[] = "r";
-static char __pyx_k_s[] = "%s";
-static char __pyx_k_w[] = "w";
-static char __pyx_k_fn[] = "fn";
-static char __pyx_k_fp[] = "fp";
-static char __pyx_k_gz[] = ".gz";
-static char __pyx_k_os[] = "os";
-static char __pyx_k__10[] = "#";
-static char __pyx_k__14[] = ",";
-static char __pyx_k_all[] = "__all__";
-static char __pyx_k_bed[] = "bed";
-static char __pyx_k_cpy[] = "cpy";
-static char __pyx_k_doc[] = "__doc__";
-static char __pyx_k_dup[] = "_dup";
-static char __pyx_k_end[] = "end";
-static char __pyx_k_ftp[] = "ftp:";
-static char __pyx_k_gff[] = "gff";
-static char __pyx_k_ord[] = "ord";
-static char __pyx_k_s_2[] = "s";
-static char __pyx_k_s_i[] = "%s:%i";
-static char __pyx_k_sam[] = "sam";
-static char __pyx_k_sys[] = "sys";
-static char __pyx_k_tbi[] = ".tbi";
-static char __pyx_k_vcf[] = "vcf";
-static char __pyx_k_conf[] = "conf";
-static char __pyx_k_http[] = "http:";
-static char __pyx_k_init[] = "__init__";
-static char __pyx_k_iter[] = "__iter__";
-static char __pyx_k_join[] = "join";
-static char __pyx_k_keys[] = "keys";
-static char __pyx_k_line[] = "line";
-static char __pyx_k_main[] = "__main__";
-static char __pyx_k_mode[] = "mode";
-static char __pyx_k_next[] = "__next__";
-static char __pyx_k_open[] = "_open";
-static char __pyx_k_path[] = "path";
-static char __pyx_k_self[] = "self";
-static char __pyx_k_test[] = "__test__";
-static char __pyx_k_asBed[] = "asBed";
-static char __pyx_k_asGTF[] = "asGTF";
-static char __pyx_k_asVCF[] = "asVCF";
-static char __pyx_k_ascii[] = "ascii";
-static char __pyx_k_close[] = "close";
-static char __pyx_k_force[] = "force";
-static char __pyx_k_index[] = "index";
-static char __pyx_k_s_i_i[] = "%s:%i-%i";
-static char __pyx_k_start[] = "start";
-static char __pyx_k_buffer[] = "buffer";
-static char __pyx_k_closed[] = "closed";
-static char __pyx_k_decode[] = "decode";
-static char __pyx_k_encode[] = "encode";
-static char __pyx_k_exists[] = "exists";
-static char __pyx_k_fd_src[] = "fd_src";
-static char __pyx_k_import[] = "__import__";
-static char __pyx_k_infile[] = "infile";
-static char __pyx_k_isOpen[] = "_isOpen";
-static char __pyx_k_length[] = "length";
-static char __pyx_k_module[] = "__module__";
-static char __pyx_k_nbytes[] = "nbytes";
-static char __pyx_k_next_2[] = "next";
-static char __pyx_k_parser[] = "parser";
-static char __pyx_k_pileup[] = "pileup";
-static char __pyx_k_preset[] = "preset";
-static char __pyx_k_psltbl[] = "psltbl";
-static char __pyx_k_region[] = "region";
-static char __pyx_k_unlink[] = "unlink";
-static char __pyx_k_IOError[] = "IOError";
-static char __pyx_k_OSError[] = "OSError";
-static char __pyx_k_PYTHON3[] = "PYTHON3";
-static char __pyx_k_asTuple[] = "asTuple";
-static char __pyx_k_end_col[] = "end_col";
-static char __pyx_k_prepare[] = "__prepare__";
-static char __pyx_k_seq_col[] = "seq_col";
-static char __pyx_k_KeyError[] = "KeyError";
-static char __pyx_k_O_RDONLY[] = "O_RDONLY";
-static char __pyx_k_encoding[] = "encoding";
-static char __pyx_k_endswith[] = "endswith";
-static char __pyx_k_filename[] = "filename";
-static char __pyx_k_qualname[] = "__qualname__";
-static char __pyx_k_readline[] = "readline";
-static char __pyx_k_TabixFile[] = "TabixFile";
-static char __pyx_k_Tabixfile[] = "Tabixfile";
-static char __pyx_k_TypeError[] = "TypeError";
-static char __pyx_k_bytes_cpy[] = "bytes_cpy";
-static char __pyx_k_conf_data[] = "conf_data";
-static char __pyx_k_meta_char[] = "meta_char";
-static char __pyx_k_metaclass[] = "__metaclass__";
-static char __pyx_k_min_shift[] = "min_shift";
-static char __pyx_k_reference[] = "reference";
-static char __pyx_k_start_col[] = "start_col";
-static char __pyx_k_zerobased[] = "zerobased";
-static char __pyx_k_GZIterator[] = "GZIterator";
-static char __pyx_k_ValueError[] = "ValueError";
-static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
-static char __pyx_k_startswith[] = "startswith";
-static char __pyx_k_WINDOW_SIZE[] = "WINDOW_SIZE";
-static char __pyx_k_buffer_size[] = "buffer_size";
-static char __pyx_k_filename_in[] = "filename_in";
-static char __pyx_k_preset2conf[] = "preset2conf";
-static char __pyx_k_tabix_index[] = "tabix_index";
-static char __pyx_k_filename_out[] = "filename_out";
-static char __pyx_k_get_encoding[] = "get_encoding";
-static char __pyx_k_pysam_ctabix[] = "pysam.ctabix";
-static char __pyx_k_set_encoding[] = "set_encoding";
-static char __pyx_k_EmptyIterator[] = "EmptyIterator";
-static char __pyx_k_StopIteration[] = "StopIteration";
-static char __pyx_k_error_d_s_d_s[] = "error (%d): %s (%d: %s)";
-static char __pyx_k_start_i_end_i[] = "start (%i) > end (%i)";
-static char __pyx_k_GZIteratorHead[] = "GZIteratorHead";
-static char __pyx_k_No_such_file_s[] = "No such file '%s'";
-static char __pyx_k_empty_iterator[] = "empty iterator";
-static char __pyx_k_tabix_compress[] = "tabix_compress";
-static char __pyx_k_tabix_iterator[] = "tabix_iterator";
-static char __pyx_k_writing_failed[] = "writing failed";
-static char __pyx_k_file_s_not_found[] = "file `%s` not found";
-static char __pyx_k_index_s_not_found[] = "index `%s` not found";
-static char __pyx_k_EmptyIterator_next[] = "EmptyIterator.next";
-static char __pyx_k_getdefaultencoding[] = "getdefaultencoding";
-static char __pyx_k_multiple_iterators[] = "multiple_iterators";
-static char __pyx_k_NotImplementedError[] = "NotImplementedError";
-static char __pyx_k_tabix_file_iterator[] = "tabix_file_iterator";
-static char __pyx_k_EmptyIterator___iter[] = "EmptyIterator.__iter__";
-static char __pyx_k_EmptyIterator___next[] = "EmptyIterator.__next__";
-static char __pyx_k_incomplete_line_at_s[] = "incomplete line at %s";
-static char __pyx_k_could_not_open_file_s[] = "could not open file `%s`";
-static char __pyx_k_getfilesystemencoding[] = "getfilesystemencoding";
-static char __pyx_k_tabix_generic_iterator[] = "tabix_generic_iterator";
-static char __pyx_k_iteration_on_closed_file[] = "iteration on closed file";
-static char __pyx_k_list_of_chromosome_names[] = "list of chromosome names";
-static char __pyx_k_writing_to_file_s_failed[] = "writing to file %s failed";
-static char __pyx_k_error_when_closing_file_s[] = "error when closing file %s";
-static char __pyx_k_could_not_open_index_for_s[] = "could not open index for `%s`";
-static char __pyx_k_No_such_file_or_directory_s[] = "No such file or directory: %s";
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-static int __pyx_tp_clear_5pysam_6ctabix_tabix_file_iterator(PyObject *o) {
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-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_5pysam_6ctabix_tabix_file_iterator[] = {
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-  {__Pyx_NAMESTR("next"), (PyCFunction)__pyx_pw_5pysam_6ctabix_19tabix_file_iterator_9next, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_6ctabix_19tabix_file_iterator_8next)},
-  {0, 0, 0, 0}
-};
-
-static PyTypeObject __pyx_type_5pysam_6ctabix_tabix_file_iterator = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("pysam.ctabix.tabix_file_iterator"), /*tp_name*/
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-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5pysam_6ctabix_tabix_file_iterator, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
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-  0, /*tp_as_mapping*/
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-  0, /*tp_setattro*/
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-  __Pyx_DOCSTR("iterate over a compressed or uncompressed ``infile``.\n    "), /*tp_doc*/
-  __pyx_tp_traverse_5pysam_6ctabix_tabix_file_iterator, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6ctabix_tabix_file_iterator, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  __pyx_pw_5pysam_6ctabix_19tabix_file_iterator_3__iter__, /*tp_iter*/
-  __pyx_pw_5pysam_6ctabix_19tabix_file_iterator_7__next__, /*tp_iternext*/
-  __pyx_methods_5pysam_6ctabix_tabix_file_iterator, /*tp_methods*/
-  0, /*tp_members*/
-  0, /*tp_getset*/
-  0, /*tp_base*/
-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_6ctabix_tabix_file_iterator, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
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-  0, /*tp_del*/
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-  0, /*tp_version_tag*/
-  #endif
-  #if PY_VERSION_HEX >= 0x030400a1
-  0, /*tp_finalize*/
-  #endif
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-
-static PyObject *__pyx_tp_new_5pysam_6ctabix_TabixFile(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_5pysam_6ctabix_TabixFile *p;
-  PyObject *o;
-  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
-    o = (*t->tp_alloc)(t, 0);
-  } else {
-    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
-  }
-  if (unlikely(!o)) return 0;
-  p = ((struct __pyx_obj_5pysam_6ctabix_TabixFile *)o);
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-  p->_filename_index = Py_None; Py_INCREF(Py_None);
-  p->parser = ((struct __pyx_obj_5pysam_6ctabix_Parser *)Py_None); Py_INCREF(Py_None);
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  if (unlikely(__pyx_pw_5pysam_6ctabix_9TabixFile_1__cinit__(o, a, k) < 0)) {
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-
-static void __pyx_tp_dealloc_5pysam_6ctabix_TabixFile(PyObject *o) {
-  struct __pyx_obj_5pysam_6ctabix_TabixFile *p = (struct __pyx_obj_5pysam_6ctabix_TabixFile *)o;
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
-  }
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-  PyObject_GC_UnTrack(o);
-  {
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-    ++Py_REFCNT(o);
-    __pyx_pw_5pysam_6ctabix_9TabixFile_13__dealloc__(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
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-  Py_CLEAR(p->_filename);
-  Py_CLEAR(p->_filename_index);
-  Py_CLEAR(p->parser);
-  Py_CLEAR(p->encoding);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_5pysam_6ctabix_TabixFile(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_5pysam_6ctabix_TabixFile *p = (struct __pyx_obj_5pysam_6ctabix_TabixFile *)o;
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-}
-
-static int __pyx_tp_clear_5pysam_6ctabix_TabixFile(PyObject *o) {
-  PyObject* tmp;
-  struct __pyx_obj_5pysam_6ctabix_TabixFile *p = (struct __pyx_obj_5pysam_6ctabix_TabixFile *)o;
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-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->_filename_index);
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-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->parser);
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-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->encoding);
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
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-
-static PyObject *__pyx_getprop_5pysam_6ctabix_9TabixFile_filename(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_6ctabix_9TabixFile_8filename_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_5pysam_6ctabix_9TabixFile_header(PyObject *o, CYTHON_UNUSED void *x) {
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-}
-
-static PyObject *__pyx_getprop_5pysam_6ctabix_9TabixFile_contigs(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_5pysam_6ctabix_9TabixFile_7contigs_1__get__(o);
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-
-static PyMethodDef __pyx_methods_5pysam_6ctabix_TabixFile[] = {
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-  {__Pyx_NAMESTR("_dup"), (PyCFunction)__pyx_pw_5pysam_6ctabix_9TabixFile_5_dup, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_6ctabix_9TabixFile_4_dup)},
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-  {__Pyx_NAMESTR("close"), (PyCFunction)__pyx_pw_5pysam_6ctabix_9TabixFile_11close, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_6ctabix_9TabixFile_10close)},
-  {0, 0, 0, 0}
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-static struct PyGetSetDef __pyx_getsets_5pysam_6ctabix_TabixFile[] = {
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-  {(char *)"header", __pyx_getprop_5pysam_6ctabix_9TabixFile_header, 0, __Pyx_DOCSTR(__pyx_k_the_file_header_note_The_header), 0},
-  {(char *)"contigs", __pyx_getprop_5pysam_6ctabix_9TabixFile_contigs, 0, __Pyx_DOCSTR(__pyx_k_list_of_chromosome_names), 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyTypeObject __pyx_type_5pysam_6ctabix_TabixFile = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("pysam.ctabix.TabixFile"), /*tp_name*/
-  sizeof(struct __pyx_obj_5pysam_6ctabix_TabixFile), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5pysam_6ctabix_TabixFile, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
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-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
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-  __Pyx_DOCSTR("*(filename, mode='r', parser = None)*\n\n    opens a :term:`tabix file` for reading. A missing\n    index (*filename* + \".tbi\") will raise an exception. *index*\n    specifies an alternative name of the index.\n\n    *parser* sets the default parser for this tabix file. If *parser*\n    is None, the results are returned as an unparsed string.\n    Otherwise, *parser* is assumed to be a functor that will return\n    parsed data (see for example :class:`~pysam.asTuple` an [...]
-  __pyx_tp_traverse_5pysam_6ctabix_TabixFile, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6ctabix_TabixFile, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_5pysam_6ctabix_TabixFile, /*tp_methods*/
-  0, /*tp_members*/
-  __pyx_getsets_5pysam_6ctabix_TabixFile, /*tp_getset*/
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-  0, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_6ctabix_TabixFile, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
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-  0, /*tp_mro*/
-  0, /*tp_cache*/
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-  0, /*tp_weaklist*/
-  0, /*tp_del*/
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-  #if PY_VERSION_HEX >= 0x030400a1
-  0, /*tp_finalize*/
-  #endif
-};
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-
-static PyObject *__pyx_tp_new_5pysam_6ctabix_Parser(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_5pysam_6ctabix_Parser *p;
-  PyObject *o;
-  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
-    o = (*t->tp_alloc)(t, 0);
-  } else {
-    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
-  }
-  if (unlikely(!o)) return 0;
-  p = ((struct __pyx_obj_5pysam_6ctabix_Parser *)o);
-  p->__pyx_vtab = __pyx_vtabptr_5pysam_6ctabix_Parser;
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  return o;
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-
-static void __pyx_tp_dealloc_5pysam_6ctabix_Parser(PyObject *o) {
-  struct __pyx_obj_5pysam_6ctabix_Parser *p = (struct __pyx_obj_5pysam_6ctabix_Parser *)o;
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
-  }
-  #endif
-  PyObject_GC_UnTrack(o);
-  Py_CLEAR(p->encoding);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_5pysam_6ctabix_Parser(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_5pysam_6ctabix_Parser *p = (struct __pyx_obj_5pysam_6ctabix_Parser *)o;
-  if (p->encoding) {
-    e = (*v)(p->encoding, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_5pysam_6ctabix_Parser(PyObject *o) {
-  PyObject* tmp;
-  struct __pyx_obj_5pysam_6ctabix_Parser *p = (struct __pyx_obj_5pysam_6ctabix_Parser *)o;
-  tmp = ((PyObject*)p->encoding);
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_5pysam_6ctabix_Parser[] = {
-  {__Pyx_NAMESTR("set_encoding"), (PyCFunction)__pyx_pw_5pysam_6ctabix_6Parser_3set_encoding, METH_O, __Pyx_DOCSTR(__pyx_doc_5pysam_6ctabix_6Parser_2set_encoding)},
-  {__Pyx_NAMESTR("get_encoding"), (PyCFunction)__pyx_pw_5pysam_6ctabix_6Parser_5get_encoding, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_6ctabix_6Parser_4get_encoding)},
-  {0, 0, 0, 0}
-};
-
-static PyTypeObject __pyx_type_5pysam_6ctabix_Parser = {
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-  __Pyx_NAMESTR("pysam.ctabix.Parser"), /*tp_name*/
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-  __pyx_tp_dealloc_5pysam_6ctabix_Parser, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
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-  0, /*reserved*/
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-  0, /*tp_repr*/
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-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  0, /*tp_as_buffer*/
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-  __Pyx_DOCSTR("Parser(encoding='ascii')"), /*tp_doc*/
-  __pyx_tp_traverse_5pysam_6ctabix_Parser, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6ctabix_Parser, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_5pysam_6ctabix_Parser, /*tp_methods*/
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-  0, /*tp_descr_set*/
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-  __pyx_pw_5pysam_6ctabix_6Parser_1__init__, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_6ctabix_Parser, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
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-  0, /*tp_version_tag*/
-  #endif
-  #if PY_VERSION_HEX >= 0x030400a1
-  0, /*tp_finalize*/
-  #endif
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-static struct __pyx_vtabstruct_5pysam_6ctabix_asTuple __pyx_vtable_5pysam_6ctabix_asTuple;
-
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asTuple(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_5pysam_6ctabix_asTuple *p;
-  PyObject *o = __pyx_tp_new_5pysam_6ctabix_Parser(t, a, k);
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-  p = ((struct __pyx_obj_5pysam_6ctabix_asTuple *)o);
-  p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_5pysam_6ctabix_Parser*)__pyx_vtabptr_5pysam_6ctabix_asTuple;
-  return o;
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-
-static PyTypeObject __pyx_type_5pysam_6ctabix_asTuple = {
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-  __Pyx_NAMESTR("pysam.ctabix.asTuple"), /*tp_name*/
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-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5pysam_6ctabix_Parser, /*tp_dealloc*/
-  0, /*tp_print*/
-  0, /*tp_getattr*/
-  0, /*tp_setattr*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
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-  0, /*reserved*/
-  #endif
-  0, /*tp_repr*/
-  0, /*tp_as_number*/
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-  0, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_6Parser_7__call__, /*tp_call*/
-  #else
-  0, /*tp_call*/
-  #endif
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
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-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  __Pyx_DOCSTR("converts a :term:`tabix row` into a python tuple.\n\n    A field in a row is accessed by numeric index.\n    "), /*tp_doc*/
-  __pyx_tp_traverse_5pysam_6ctabix_Parser, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6ctabix_Parser, /*tp_clear*/
-  0, /*tp_richcompare*/
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-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  0, /*tp_methods*/
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-  0, /*tp_dict*/
-  0, /*tp_descr_get*/
-  0, /*tp_descr_set*/
-  0, /*tp_dictoffset*/
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_6Parser_1__init__, /*tp_init*/
-  #else
-  0, /*tp_init*/
-  #endif
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_6ctabix_asTuple, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
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-  0, /*tp_cache*/
-  0, /*tp_subclasses*/
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-
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asGTF(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_5pysam_6ctabix_asGTF *p;
-  PyObject *o = __pyx_tp_new_5pysam_6ctabix_Parser(t, a, k);
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-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_5pysam_6ctabix_Parser, /*tp_dealloc*/
-  0, /*tp_print*/
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-  #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
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-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_6Parser_7__call__, /*tp_call*/
-  #else
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-  #endif
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-  __Pyx_DOCSTR("converts a :term:`tabix row` into a GTF record with the following\n    fields:\n   \n    +----------+----------+-------------------------------+\n    |*Column*  |*Name*    |*Content*                      |\n    +----------+----------+-------------------------------+\n    |1         |contig    |the chromosome name            |\n    +----------+----------+-------------------------------+\n    |2         |feature   |The feature type               |\n    +----------+--------- [...]
-  __pyx_tp_traverse_5pysam_6ctabix_Parser, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6ctabix_Parser, /*tp_clear*/
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-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_6Parser_1__init__, /*tp_init*/
-  #else
-  0, /*tp_init*/
-  #endif
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_6ctabix_asGTF, /*tp_new*/
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-
-static PyObject *__pyx_tp_new_5pysam_6ctabix_asBed(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_5pysam_6ctabix_asBed *p;
-  PyObject *o = __pyx_tp_new_5pysam_6ctabix_Parser(t, a, k);
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-  p = ((struct __pyx_obj_5pysam_6ctabix_asBed *)o);
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-  __Pyx_DOCSTR("converts a :term:`tabix row` into a bed record\n    with the following fields:\n\n    +-----------+-----------+------------------------------------------+\n    |*Column*   |*Field*    |*Contents*                                |\n    |           |           |                                          |\n    +-----------+-----------+------------------------------------------+\n    |1          |contig     |contig                                    |\n    |           |        [...]
-  __pyx_tp_traverse_5pysam_6ctabix_Parser, /*tp_traverse*/
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-static PyObject *__pyx_tp_new_5pysam_6ctabix_asVCF(PyTypeObject *t, PyObject *a, PyObject *k) {
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-  PyObject *o = __pyx_tp_new_5pysam_6ctabix_Parser(t, a, k);
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-  __pyx_tp_dealloc_5pysam_6ctabix_Parser, /*tp_dealloc*/
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-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_6Parser_7__call__, /*tp_call*/
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-  __Pyx_DOCSTR("converts a :term:`tabix row` into a VCF record with\n    the following fields:\n    \n    +----------+---------+------------------------------------+\n    |*Column*  |*Field*  |*Contents*                          |\n    |          |         |                                    |\n    +----------+---------+------------------------------------+\n    |1         |contig   |chromosome                          |\n    +----------+---------+------------------------------------+\n [...]
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-  __pyx_tp_clear_5pysam_6ctabix_Parser, /*tp_clear*/
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-static void __pyx_tp_dealloc_5pysam_6ctabix_TabixIterator(PyObject *o) {
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-  #if PY_VERSION_HEX >= 0x030400a1
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-static int __pyx_tp_traverse_5pysam_6ctabix_TabixIterator(PyObject *o, visitproc v, void *a) {
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-  {__Pyx_NAMESTR("next"), (PyCFunction)__pyx_pw_5pysam_6ctabix_13TabixIterator_7next, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_5pysam_6ctabix_13TabixIterator_6next)},
-  {0, 0, 0, 0}
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-
-static PyTypeObject __pyx_type_5pysam_6ctabix_TabixIterator = {
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-  0, /*tp_print*/
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-  0, /*tp_compare*/
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-  __pyx_tp_clear_5pysam_6ctabix_TabixIterator, /*tp_clear*/
-  0, /*tp_richcompare*/
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-  __pyx_pw_5pysam_6ctabix_13TabixIterator_3__iter__, /*tp_iter*/
-  __pyx_pw_5pysam_6ctabix_13TabixIterator_5__next__, /*tp_iternext*/
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-  __pyx_pw_5pysam_6ctabix_13TabixIterator_1__init__, /*tp_init*/
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-  __pyx_tp_new_5pysam_6ctabix_TabixIterator, /*tp_new*/
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-  PyObject *o = __pyx_tp_new_5pysam_6ctabix_TabixIterator(t, a, k);
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-static void __pyx_tp_dealloc_5pysam_6ctabix_TabixIteratorParsed(PyObject *o) {
-  struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *p = (struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *)o;
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
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-  #endif
-  PyObject_GC_UnTrack(o);
-  Py_CLEAR(p->parser);
-  PyObject_GC_Track(o);
-  __pyx_tp_dealloc_5pysam_6ctabix_TabixIterator(o);
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-
-static int __pyx_tp_traverse_5pysam_6ctabix_TabixIteratorParsed(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *p = (struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *)o;
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-    e = (*v)(((PyObject*)p->parser), a); if (e) return e;
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-  return 0;
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-
-static int __pyx_tp_clear_5pysam_6ctabix_TabixIteratorParsed(PyObject *o) {
-  PyObject* tmp;
-  struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *p = (struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed *)o;
-  __pyx_tp_clear_5pysam_6ctabix_TabixIterator(o);
-  tmp = ((PyObject*)p->parser);
-  p->parser = ((struct __pyx_obj_5pysam_6ctabix_Parser *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
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-static PyMethodDef __pyx_methods_5pysam_6ctabix_TabixIteratorParsed[] = {
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-  {0, 0, 0, 0}
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-
-static PyTypeObject __pyx_type_5pysam_6ctabix_TabixIteratorParsed = {
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-  __pyx_tp_dealloc_5pysam_6ctabix_TabixIteratorParsed, /*tp_dealloc*/
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-  __pyx_tp_traverse_5pysam_6ctabix_TabixIteratorParsed, /*tp_traverse*/
-  __pyx_tp_clear_5pysam_6ctabix_TabixIteratorParsed, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_13TabixIterator_3__iter__, /*tp_iter*/
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-  0, /*tp_iter*/
-  #endif
-  __pyx_pw_5pysam_6ctabix_19TabixIteratorParsed_3__next__, /*tp_iternext*/
-  __pyx_methods_5pysam_6ctabix_TabixIteratorParsed, /*tp_methods*/
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-  __pyx_pw_5pysam_6ctabix_19TabixIteratorParsed_1__init__, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_5pysam_6ctabix_TabixIteratorParsed, /*tp_new*/
-  0, /*tp_free*/
-  0, /*tp_is_gc*/
-  0, /*tp_bases*/
-  0, /*tp_mro*/
-  0, /*tp_cache*/
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-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*tp_version_tag*/
-  #endif
-  #if PY_VERSION_HEX >= 0x030400a1
-  0, /*tp_finalize*/
-  #endif
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-
-static PyObject *__pyx_tp_new_5pysam_6ctabix_GZIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_5pysam_6ctabix_GZIterator *p;
-  PyObject *o;
-  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
-    o = (*t->tp_alloc)(t, 0);
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-    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
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-  if (unlikely(!o)) return 0;
-  p = ((struct __pyx_obj_5pysam_6ctabix_GZIterator *)o);
-  p->__pyx_vtab = __pyx_vtabptr_5pysam_6ctabix_GZIterator;
-  p->_filename = Py_None; Py_INCREF(Py_None);
-  p->encoding = Py_None; Py_INCREF(Py_None);
-  return o;
-}
-
-static void __pyx_tp_dealloc_5pysam_6ctabix_GZIterator(PyObject *o) {
-  struct __pyx_obj_5pysam_6ctabix_GZIterator *p = (struct __pyx_obj_5pysam_6ctabix_GZIterator *)o;
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
-  }
-  #endif
-  PyObject_GC_UnTrack(o);
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_5pysam_6ctabix_10GZIterator_3__dealloc__(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
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-  Py_CLEAR(p->_filename);
-  Py_CLEAR(p->encoding);
-  (*Py_TYPE(o)->tp_free)(o);
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-
-static int __pyx_tp_traverse_5pysam_6ctabix_GZIterator(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_5pysam_6ctabix_GZIterator *p = (struct __pyx_obj_5pysam_6ctabix_GZIterator *)o;
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-static int __pyx_tp_clear_5pysam_6ctabix_GZIterator(PyObject *o) {
-  PyObject* tmp;
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-
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-  __pyx_tp_dealloc_5pysam_6ctabix_GZIterator, /*tp_dealloc*/
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-  __pyx_tp_clear_5pysam_6ctabix_GZIterator, /*tp_clear*/
-  0, /*tp_richcompare*/
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-  #if CYTHON_COMPILING_IN_PYPY
-  __pyx_pw_5pysam_6ctabix_10GZIterator_5__iter__, /*tp_iter*/
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-  __pyx_pw_5pysam_6ctabix_14GZIteratorHead_1__next__, /*tp_iternext*/
-  __pyx_methods_5pysam_6ctabix_GZIteratorHead, /*tp_methods*/
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-  __pyx_pw_5pysam_6ctabix_10GZIterator_1__init__, /*tp_init*/
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-  0, /*tp_version_tag*/
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-  0, /*tp_finalize*/
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-static PyObject *__pyx_tp_new_5pysam_6ctabix_GZIteratorParsed(PyTypeObject *t, PyObject *a, PyObject *k) {
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-  PyObject *o = __pyx_tp_new_5pysam_6ctabix_GZIterator(t, a, k);
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-
-static void __pyx_tp_dealloc_5pysam_6ctabix_GZIteratorParsed(PyObject *o) {
-  struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed *p = (struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed *)o;
-  #if PY_VERSION_HEX >= 0x030400a1
-  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
-    if (PyObject_CallFinalizerFromDealloc(o)) return;
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-  PyObject_GC_UnTrack(o);
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-
-static int __pyx_tp_traverse_5pysam_6ctabix_GZIteratorParsed(PyObject *o, visitproc v, void *a) {
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-  struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed *p = (struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed *)o;
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-static int __pyx_tp_clear_5pysam_6ctabix_GZIteratorParsed(PyObject *o) {
-  PyObject* tmp;
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-static PyTypeObject __pyx_type_5pysam_6ctabix_GZIteratorParsed = {
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-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_Restore(type, value, tb);
-#endif
-}
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    #if PY_VERSION_HEX < 0x02050000
-    if (PyClass_Check(type)) {
-    #else
-    if (PyType_Check(type)) {
-    #endif
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyInstance_Check(type)) {
-            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-            Py_INCREF(type);
-        } else {
-            type = 0;
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception must be an old-style class or instance");
-            goto raise_error;
-        }
-        #else
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-        #endif
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else /* Python 3+ */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (likely(PyObject_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
-    return 0;
-}
-
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-#endif
-}
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
-#endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
-#if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
-            return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
-#endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        #if CYTHON_PEP393_ENABLED
-        if (unlikely(PyUnicode_READY(s1) < 0) || unlikely(PyUnicode_READY(s2) < 0))
-            return -1;
-        #endif
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
-        }
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, length * kind);
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_NE);
-#endif
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (result) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-static void __Pyx_RaiseArgumentTypeInvalid(const char* name, PyObject *obj, PyTypeObject *type) {
-    PyErr_Format(PyExc_TypeError,
-        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
-}
-static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
-    const char *name, int exact)
-{
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (none_allowed && obj == Py_None) return 1;
-    else if (exact) {
-        if (likely(Py_TYPE(obj) == type)) return 1;
-        #if PY_MAJOR_VERSION == 2
-        else if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
-        #endif
-    }
-    else {
-        if (likely(PyObject_TypeCheck(obj, type))) return 1;
-    }
-    __Pyx_RaiseArgumentTypeInvalid(name, obj, type);
-    return 0;
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-#else
-    PyErr_GetExcInfo(type, value, tb);
-#endif
-}
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(type, value, tb);
-#endif
-}
-
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (unlikely(tstate->curexc_type))
-#else
-    if (unlikely(PyErr_Occurred()))
-#endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
-    }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
-#endif
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-#if !CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyBytes_Join(PyObject* sep, PyObject* values) {
-    return PyObject_CallMethodObjArgs(sep, __pyx_n_s_join, values, NULL)
-}
-#endif
-
-static CYTHON_INLINE PyObject* __Pyx_PyDict_Keys(PyObject* d) {
-    if (PY_MAJOR_VERSION >= 3)
-        return __Pyx_PyObject_CallMethod1((PyObject*)&PyDict_Type, __pyx_n_s_keys, d);
-    else
-        return PyDict_Keys(d);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#endif
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-static void* __Pyx_GetVtable(PyObject *dict) {
-    void* ptr;
-    PyObject *ob = PyObject_GetItem(dict, __pyx_n_s_pyx_vtable);
-    if (!ob)
-        goto bad;
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    ptr = PyCapsule_GetPointer(ob, 0);
-#else
-    ptr = PyCObject_AsVoidPtr(ob);
-#endif
-    if (!ptr && !PyErr_Occurred())
-        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
-    Py_DECREF(ob);
-    return ptr;
-bad:
-    Py_XDECREF(ob);
-    return NULL;
-}
-
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-static PyObject *
-__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
-{
-    if (unlikely(op->func_doc == NULL)) {
-        if (op->func.m_ml->ml_doc) {
-#if PY_MAJOR_VERSION >= 3
-            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
-#else
-            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
-#endif
-            if (unlikely(op->func_doc == NULL))
-                return NULL;
-        } else {
-            Py_INCREF(Py_None);
-            return Py_None;
-        }
-    }
-    Py_INCREF(op->func_doc);
-    return op->func_doc;
-}
-static int
-__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp = op->func_doc;
-    if (value == NULL)
-        value = Py_None; /* Mark as deleted */
-    Py_INCREF(value);
-    op->func_doc = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_name == NULL)) {
-#if PY_MAJOR_VERSION >= 3
-        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
-#else
-        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
-#endif
-        if (unlikely(op->func_name == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_name);
-    return op->func_name;
-}
-static int
-__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_name;
-    Py_INCREF(value);
-    op->func_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_qualname);
-    return op->func_qualname;
-}
-static int
-__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_qualname;
-    Py_INCREF(value);
-    op->func_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
-{
-    PyObject *self;
-    self = m->func_closure;
-    if (self == NULL)
-        self = Py_None;
-    Py_INCREF(self);
-    return self;
-}
-static PyObject *
-__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_dict == NULL)) {
-        op->func_dict = PyDict_New();
-        if (unlikely(op->func_dict == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_dict);
-    return op->func_dict;
-}
-static int
-__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-    if (unlikely(value == NULL)) {
-        PyErr_SetString(PyExc_TypeError,
-               "function's dictionary may not be deleted");
-        return -1;
-    }
-    if (unlikely(!PyDict_Check(value))) {
-        PyErr_SetString(PyExc_TypeError,
-               "setting function's dictionary to a non-dict");
-        return -1;
-    }
-    tmp = op->func_dict;
-    Py_INCREF(value);
-    op->func_dict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_globals);
-    return op->func_globals;
-}
-static PyObject *
-__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
-{
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-static PyObject *
-__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
-{
-    PyObject* result = (op->func_code) ? op->func_code : Py_None;
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
-    PyObject *res = op->defaults_getter((PyObject *) op);
-    if (unlikely(!res))
-        return -1;
-    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
-    Py_INCREF(op->defaults_tuple);
-    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
-    Py_INCREF(op->defaults_kwdict);
-    Py_DECREF(res);
-    return 0;
-}
-static int
-__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyTuple_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__defaults__ must be set to a tuple object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_tuple;
-    op->defaults_tuple = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_tuple;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_tuple;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_kwdict;
-    op->defaults_kwdict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_kwdict;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_kwdict;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value || value == Py_None) {
-        value = NULL;
-    } else if (!PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__annotations__ must be set to a dict object");
-        return -1;
-    }
-    Py_XINCREF(value);
-    tmp = op->func_annotations;
-    op->func_annotations = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->func_annotations;
-    if (unlikely(!result)) {
-        result = PyDict_New();
-        if (unlikely(!result)) return NULL;
-        op->func_annotations = result;
-    }
-    Py_INCREF(result);
-    return result;
-}
-static PyGetSetDef __pyx_CyFunction_getsets[] = {
-    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
-    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
-    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
-    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
-    {0, 0, 0, 0, 0}
-};
-#ifndef PY_WRITE_RESTRICTED /* < Py2.5 */
-#define PY_WRITE_RESTRICTED WRITE_RESTRICTED
-#endif
-static PyMemberDef __pyx_CyFunction_members[] = {
-    {(char *) "__module__", T_OBJECT, offsetof(__pyx_CyFunctionObject, func.m_module), PY_WRITE_RESTRICTED, 0},
-    {0, 0, 0,  0, 0}
-};
-static PyObject *
-__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromString(m->func.m_ml->ml_name);
-#else
-    return PyString_FromString(m->func.m_ml->ml_name);
-#endif
-}
-static PyMethodDef __pyx_CyFunction_methods[] = {
-    {__Pyx_NAMESTR("__reduce__"), (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
-                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
-    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
-    if (op == NULL)
-        return NULL;
-    op->flags = flags;
-    op->func_weakreflist = NULL;
-    op->func.m_ml = ml;
-    op->func.m_self = (PyObject *) op;
-    Py_XINCREF(closure);
-    op->func_closure = closure;
-    Py_XINCREF(module);
-    op->func.m_module = module;
-    op->func_dict = NULL;
-    op->func_name = NULL;
-    Py_INCREF(qualname);
-    op->func_qualname = qualname;
-    op->func_doc = NULL;
-    op->func_classobj = NULL;
-    op->func_globals = globals;
-    Py_INCREF(op->func_globals);
-    Py_XINCREF(code);
-    op->func_code = code;
-    op->defaults_pyobjects = 0;
-    op->defaults = NULL;
-    op->defaults_tuple = NULL;
-    op->defaults_kwdict = NULL;
-    op->defaults_getter = NULL;
-    op->func_annotations = NULL;
-    PyObject_GC_Track(op);
-    return (PyObject *) op;
-}
-static int
-__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
-{
-    Py_CLEAR(m->func_closure);
-    Py_CLEAR(m->func.m_module);
-    Py_CLEAR(m->func_dict);
-    Py_CLEAR(m->func_name);
-    Py_CLEAR(m->func_qualname);
-    Py_CLEAR(m->func_doc);
-    Py_CLEAR(m->func_globals);
-    Py_CLEAR(m->func_code);
-    Py_CLEAR(m->func_classobj);
-    Py_CLEAR(m->defaults_tuple);
-    Py_CLEAR(m->defaults_kwdict);
-    Py_CLEAR(m->func_annotations);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_XDECREF(pydefaults[i]);
-        PyMem_Free(m->defaults);
-        m->defaults = NULL;
-    }
-    return 0;
-}
-static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    PyObject_GC_UnTrack(m);
-    if (m->func_weakreflist != NULL)
-        PyObject_ClearWeakRefs((PyObject *) m);
-    __Pyx_CyFunction_clear(m);
-    PyObject_GC_Del(m);
-}
-static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
-{
-    Py_VISIT(m->func_closure);
-    Py_VISIT(m->func.m_module);
-    Py_VISIT(m->func_dict);
-    Py_VISIT(m->func_name);
-    Py_VISIT(m->func_qualname);
-    Py_VISIT(m->func_doc);
-    Py_VISIT(m->func_globals);
-    Py_VISIT(m->func_code);
-    Py_VISIT(m->func_classobj);
-    Py_VISIT(m->defaults_tuple);
-    Py_VISIT(m->defaults_kwdict);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_VISIT(pydefaults[i]);
-    }
-    return 0;
-}
-static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
-        Py_INCREF(func);
-        return func;
-    }
-    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
-        if (type == NULL)
-            type = (PyObject *)(Py_TYPE(obj));
-        return PyMethod_New(func,
-                            type, (PyObject *)(Py_TYPE(type)));
-    }
-    if (obj == Py_None)
-        obj = NULL;
-    return PyMethod_New(func, obj, type);
-}
-static PyObject*
-__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromFormat("<cyfunction %U at %p>",
-                                op->func_qualname, (void *)op);
-#else
-    return PyString_FromFormat("<cyfunction %s at %p>",
-                               PyString_AsString(op->func_qualname), (void *)op);
-#endif
-}
-#if CYTHON_COMPILING_IN_PYPY
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyCFunctionObject* f = (PyCFunctionObject*)func;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    Py_ssize_t size;
-    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
-    case METH_VARARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
-            return (*meth)(self, arg);
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-    case METH_NOARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 0)
-                return (*meth)(self, NULL);
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    case METH_O:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 1)
-                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-        return NULL;
-    }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
-}
-#else
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-	return PyCFunction_Call(func, arg, kw);
-}
-#endif
-static PyTypeObject __pyx_CyFunctionType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    __Pyx_NAMESTR("cython_function_or_method"), /*tp_name*/
-    sizeof(__pyx_CyFunctionObject),   /*tp_basicsize*/
-    0,                                  /*tp_itemsize*/
-    (destructor) __Pyx_CyFunction_dealloc, /*tp_dealloc*/
-    0,                                  /*tp_print*/
-    0,                                  /*tp_getattr*/
-    0,                                  /*tp_setattr*/
-#if PY_MAJOR_VERSION < 3
-    0,                                  /*tp_compare*/
-#else
-    0,                                  /*reserved*/
-#endif
-    (reprfunc) __Pyx_CyFunction_repr,   /*tp_repr*/
-    0,                                  /*tp_as_number*/
-    0,                                  /*tp_as_sequence*/
-    0,                                  /*tp_as_mapping*/
-    0,                                  /*tp_hash*/
-    __Pyx_CyFunction_Call,              /*tp_call*/
-    0,                                  /*tp_str*/
-    0,                                  /*tp_getattro*/
-    0,                                  /*tp_setattro*/
-    0,                                  /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
-    0,                                  /*tp_doc*/
-    (traverseproc) __Pyx_CyFunction_traverse,   /*tp_traverse*/
-    (inquiry) __Pyx_CyFunction_clear,   /*tp_clear*/
-    0,                                  /*tp_richcompare*/
-    offsetof(__pyx_CyFunctionObject, func_weakreflist), /* tp_weaklistoffse */
-    0,                                  /*tp_iter*/
-    0,                                  /*tp_iternext*/
-    __pyx_CyFunction_methods,           /*tp_methods*/
-    __pyx_CyFunction_members,           /*tp_members*/
-    __pyx_CyFunction_getsets,           /*tp_getset*/
-    0,                                  /*tp_base*/
-    0,                                  /*tp_dict*/
-    __Pyx_CyFunction_descr_get,         /*tp_descr_get*/
-    0,                                  /*tp_descr_set*/
-    offsetof(__pyx_CyFunctionObject, func_dict),/*tp_dictoffset*/
-    0,                                  /*tp_init*/
-    0,                                  /*tp_alloc*/
-    0,                                  /*tp_new*/
-    0,                                  /*tp_free*/
-    0,                                  /*tp_is_gc*/
-    0,                                  /*tp_bases*/
-    0,                                  /*tp_mro*/
-    0,                                  /*tp_cache*/
-    0,                                  /*tp_subclasses*/
-    0,                                  /*tp_weaklist*/
-    0,                                  /*tp_del*/
-#if PY_VERSION_HEX >= 0x02060000
-    0,                                  /*tp_version_tag*/
-#endif
-#if PY_VERSION_HEX >= 0x030400a1
-    0,                                  /*tp_finalize*/
-#endif
-};
-static int __Pyx_CyFunction_init(void) {
-#if !CYTHON_COMPILING_IN_PYPY
-    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
-#endif
-    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
-    if (__pyx_CyFunctionType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults = PyMem_Malloc(size);
-    if (!m->defaults)
-        return PyErr_NoMemory();
-    memset(m->defaults, 0, size);
-    m->defaults_pyobjects = pyobjects;
-    return m->defaults;
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_tuple = tuple;
-    Py_INCREF(tuple);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_kwdict = dict;
-    Py_INCREF(dict);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->func_annotations = dict;
-    Py_INCREF(dict);
-}
-
-static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
-    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
-    for (i=0; i < nbases; i++) {
-        PyTypeObject *tmptype;
-        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
-        tmptype = Py_TYPE(tmp);
-#if PY_MAJOR_VERSION < 3
-        if (tmptype == &PyClass_Type)
-            continue;
-#endif
-        if (!metaclass) {
-            metaclass = tmptype;
-            continue;
-        }
-        if (PyType_IsSubtype(metaclass, tmptype))
-            continue;
-        if (PyType_IsSubtype(tmptype, metaclass)) {
-            metaclass = tmptype;
-            continue;
-        }
-        PyErr_SetString(PyExc_TypeError,
-                        "metaclass conflict: "
-                        "the metaclass of a derived class "
-                        "must be a (non-strict) subclass "
-                        "of the metaclasses of all its bases");
-        return NULL;
-    }
-    if (!metaclass) {
-#if PY_MAJOR_VERSION < 3
-        metaclass = &PyClass_Type;
-#else
-        metaclass = &PyType_Type;
-#endif
-    }
-    Py_INCREF((PyObject*) metaclass);
-    return (PyObject*) metaclass;
-}
-
-static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
-                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
-    PyObject *ns;
-    if (metaclass) {
-        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
-        if (prep) {
-            PyObject *pargs = PyTuple_Pack(2, name, bases);
-            if (unlikely(!pargs)) {
-                Py_DECREF(prep);
-                return NULL;
-            }
-            ns = PyObject_Call(prep, pargs, mkw);
-            Py_DECREF(prep);
-            Py_DECREF(pargs);
-        } else {
-            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
-                return NULL;
-            PyErr_Clear();
-            ns = PyDict_New();
-        }
-    } else {
-        ns = PyDict_New();
-    }
-    if (unlikely(!ns))
-        return NULL;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
-    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
-    return ns;
-bad:
-    Py_DECREF(ns);
-    return NULL;
-}
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
-                                      PyObject *dict, PyObject *mkw,
-                                      int calculate_metaclass, int allow_py2_metaclass) {
-    PyObject *result, *margs;
-    PyObject *owned_metaclass = NULL;
-    if (allow_py2_metaclass) {
-        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
-        if (owned_metaclass) {
-            metaclass = owned_metaclass;
-        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
-            PyErr_Clear();
-        } else {
-            return NULL;
-        }
-    }
-    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
-        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
-        Py_XDECREF(owned_metaclass);
-        if (unlikely(!metaclass))
-            return NULL;
-        owned_metaclass = metaclass;
-    }
-    margs = PyTuple_Pack(3, name, bases, dict);
-    if (unlikely(!margs)) {
-        result = NULL;
-    } else {
-        result = PyObject_Call(metaclass, margs, mkw);
-        Py_DECREF(margs);
-    }
-    Py_XDECREF(owned_metaclass);
-    return result;
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int32_t __Pyx_PyInt_As_int32_t(PyObject *x) {
-    const int32_t neg_one = (int32_t) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int32_t) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int32_t, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int32_t");
-                return (int32_t) -1;
-            }
-            return (int32_t) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int32_t)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int32_t) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int32_t");
-                return (int32_t) -1;
-            }
-            if (sizeof(int32_t) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int32_t, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int32_t) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int32_t, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int32_t)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int32_t) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int32_t) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int32_t) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int32_t, long, PyLong_AsLong)
-            } else if (sizeof(int32_t) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int32_t, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int32_t val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int32_t) -1;
-        }
-    } else {
-        int32_t val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int32_t) -1;
-        val = __Pyx_PyInt_As_int32_t(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig) {
-    PyObject *d = 0;
-    PyObject *cobj = 0;
-    union {
-        void (*fp)(void);
-        void *p;
-    } tmp;
-    d = PyObject_GetAttrString(__pyx_m, (char *)"__pyx_capi__");
-    if (!d) {
-        PyErr_Clear();
-        d = PyDict_New();
-        if (!d)
-            goto bad;
-        Py_INCREF(d);
-        if (PyModule_AddObject(__pyx_m, (char *)"__pyx_capi__", d) < 0)
-            goto bad;
-    }
-    tmp.fp = f;
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    cobj = PyCapsule_New(tmp.p, sig, 0);
-#else
-    cobj = PyCObject_FromVoidPtrAndDesc(tmp.p, (void *)sig, 0);
-#endif
-    if (!cobj)
-        goto bad;
-    if (PyDict_SetItemString(d, name, cobj) < 0)
-        goto bad;
-    Py_DECREF(cobj);
-    Py_DECREF(d);
-    return 0;
-bad:
-    Py_XDECREF(cobj);
-    Py_XDECREF(d);
-    return -1;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-  #if PY_VERSION_HEX < 0x02060000
-    return PyInt_AsSsize_t(b);
-  #else
-    return PyLong_AsSsize_t(b);
-  #endif
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/pysam/cvcf.c b/pysam/cvcf.c
deleted file mode 100644
index 3e1e1da..0000000
--- a/pysam/cvcf.c
+++ /dev/null
@@ -1,30127 +0,0 @@
-/* Generated by Cython 0.20.1 on Fri Nov 21 19:49:04 2014 */
-
-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02040000
-    #error Cython requires Python 2.4+.
-#else
-#define CYTHON_ABI "0_20_1"
-#include <stddef.h> /* For offsetof */
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-#define Py_OptimizeFlag 0
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  typedef int Py_ssize_t;
-  #define PY_SSIZE_T_MAX INT_MAX
-  #define PY_SSIZE_T_MIN INT_MIN
-  #define PY_FORMAT_SIZE_T ""
-  #define CYTHON_FORMAT_SSIZE_T ""
-  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
-  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
-  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
-                                (PyErr_Format(PyExc_TypeError, \
-                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
-                                 (PyObject*)0))
-  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
-                                  !PyComplex_Check(o))
-  #define PyIndex_Check __Pyx_PyIndex_Check
-  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
-  #define __PYX_BUILD_PY_SSIZE_T "i"
-#else
-  #define __PYX_BUILD_PY_SSIZE_T "n"
-  #define CYTHON_FORMAT_SSIZE_T "z"
-  #define __Pyx_PyIndex_Check PyIndex_Check
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
-  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
-  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
-  #define PyVarObject_HEAD_INIT(type, size) \
-          PyObject_HEAD_INIT(type) size,
-  #define PyType_Modified(t)
-  typedef struct {
-     void *buf;
-     PyObject *obj;
-     Py_ssize_t len;
-     Py_ssize_t itemsize;
-     int readonly;
-     int ndim;
-     char *format;
-     Py_ssize_t *shape;
-     Py_ssize_t *strides;
-     Py_ssize_t *suboffsets;
-     void *internal;
-  } Py_buffer;
-  #define PyBUF_SIMPLE 0
-  #define PyBUF_WRITABLE 0x0001
-  #define PyBUF_FORMAT 0x0004
-  #define PyBUF_ND 0x0008
-  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
-  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
-  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
-  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
-  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
-  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
-  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
-  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
-  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
-#endif
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyClass_Type
-#else
-  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyType_Type
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define Py_TPFLAGS_CHECKTYPES 0
-  #define Py_TPFLAGS_HAVE_INDEX 0
-#endif
-#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
-  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
-#endif
-#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
-  #define Py_TPFLAGS_IS_ABSTRACT 0
-#endif
-#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
-  #define Py_TPFLAGS_HAVE_FINALIZE 0
-#endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
-  #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-#else
-  #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PyBytesObject                PyStringObject
-  #define PyBytes_Type                 PyString_Type
-  #define PyBytes_Check                PyString_Check
-  #define PyBytes_CheckExact           PyString_CheckExact
-  #define PyBytes_FromString           PyString_FromString
-  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
-  #define PyBytes_FromFormat           PyString_FromFormat
-  #define PyBytes_DecodeEscape         PyString_DecodeEscape
-  #define PyBytes_AsString             PyString_AsString
-  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
-  #define PyBytes_Size                 PyString_Size
-  #define PyBytes_AS_STRING            PyString_AS_STRING
-  #define PyBytes_GET_SIZE             PyString_GET_SIZE
-  #define PyBytes_Repr                 PyString_Repr
-  #define PyBytes_Concat               PyString_Concat
-  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
-                                         PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#if PY_VERSION_HEX < 0x02060000
-  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
-  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
-#endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
-  #define PyInt_AsSsize_t              PyLong_AsSsize_t
-  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
-  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
-  #define PyNumber_Int                 PyNumber_Long
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
-#endif
-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
-  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
-#else
-  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
-  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
-  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
-#else
-  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
-  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
-  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
-        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
-        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
-            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
-#else
-  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
-  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
-  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
-#endif
-#if PY_VERSION_HEX < 0x02050000
-  #define __Pyx_NAMESTR(n) ((char *)(n))
-  #define __Pyx_DOCSTR(n)  ((char *)(n))
-#else
-  #define __Pyx_NAMESTR(n) (n)
-  #define __Pyx_DOCSTR(n)  (n)
-#endif
-#ifndef CYTHON_INLINE
-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
-  #else
-    #define CYTHON_RESTRICT
-  #endif
-#endif
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-
-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-#define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#define __PYX_HAVE__pysam__cvcf
-#define __PYX_HAVE_API__pysam__cvcf
-#include "stdlib.h"
-#include "string.h"
-#include "stdint.h"
-#include "stdio.h"
-#include "fcntl.h"
-#include "unistd.h"
-#include "zlib.h"
-#include "htslib/kstring.h"
-#include "htslib/hfile.h"
-#include "htslib/bgzf.h"
-#include "htslib/hts.h"
-#include "htslib/sam.h"
-#include "pysam_stream.h"
-#include "htslib/faidx.h"
-#include "htslib/tbx.h"
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#ifdef PYREX_WITHOUT_ASSERTIONS
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-#ifndef CYTHON_UNUSED
-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
-#   else
-#     define CYTHON_UNUSED
-#   endif
-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
-    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return u_end - u - 1;
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (ascii_chars_u == NULL) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-    }
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys = NULL;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (sys == NULL) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    if (default_encoding == NULL) goto bad;
-    default_encoding_c = PyBytes_AS_STRING(default_encoding);
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(sys);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(sys);
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "cvcf.pyx",
-  "ctabix.pxd",
-  "TabProxies.pxd",
-};
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator;
-struct __pyx_obj_5pysam_6ctabix_TabixFile;
-struct __pyx_obj_5pysam_6ctabix_Parser;
-struct __pyx_obj_5pysam_6ctabix_asTuple;
-struct __pyx_obj_5pysam_6ctabix_asGTF;
-struct __pyx_obj_5pysam_6ctabix_asBed;
-struct __pyx_obj_5pysam_6ctabix_asVCF;
-struct __pyx_obj_5pysam_6ctabix_TabixIterator;
-struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed;
-struct __pyx_obj_5pysam_6ctabix_GZIterator;
-struct __pyx_obj_5pysam_6ctabix_GZIteratorHead;
-struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed;
-struct __pyx_obj_5pysam_6ctabix_Tabixfile;
-struct __pyx_obj_5pysam_10TabProxies_TupleProxy;
-struct __pyx_obj_5pysam_10TabProxies_GTFProxy;
-struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy;
-struct __pyx_obj_5pysam_10TabProxies_BedProxy;
-struct __pyx_obj_5pysam_10TabProxies_VCFProxy;
-struct __pyx_obj_5pysam_4cvcf_VCFRecord;
-struct __pyx_obj_5pysam_4cvcf_asVCFRecord;
-struct __pyx_obj_5pysam_4cvcf___pyx_scope_struct___parse;
-struct __pyx_opt_args_5pysam_6ctabix__force_str;
-
-/* "ctabix.pxd":50
- * ###########################################
- * # used by cvcf.pyx
- * cdef _force_str(object s, encoding=?)             # <<<<<<<<<<<<<<
- * 
- * ###########################################
- */
-struct __pyx_opt_args_5pysam_6ctabix__force_str {
-  int __pyx_n;
-  PyObject *encoding;
-};
-
-/* "ctabix.pxd":19
- *     kstream_t, kstring_t, gzFile, tbx_t
- * 
- * cdef class tabix_file_iterator:             # <<<<<<<<<<<<<<
- *     cdef gzFile fh
- *     cdef kstream_t * kstream
- */
-struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_tabix_file_iterator *__pyx_vtab;
-  gzFile fh;
-  kstream_t *kstream;
-  kstring_t buffer;
-  size_t size;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-  int fd;
-  int duplicated_fd;
-  PyObject *infile;
-};
-
-
-/* "ctabix.pxd":31
- *     cdef __cnext__(self)
- * 
- * cdef class TabixFile:             # <<<<<<<<<<<<<<
- * 
- *     # pointer to tabixfile
- */
-struct __pyx_obj_5pysam_6ctabix_TabixFile {
-  PyObject_HEAD
-  htsFile *tabixfile;
-  tbx_t *index;
-  int isremote;
-  PyObject *_filename;
-  PyObject *_filename_index;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-  PyObject *encoding;
-};
-
-
-/* "ctabix.pxd":53
- * 
- * ###########################################
- * cdef class Parser:             # <<<<<<<<<<<<<<
- *     cdef encoding
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_Parser {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_Parser *__pyx_vtab;
-  PyObject *encoding;
-};
-
-
-/* "ctabix.pxd":58
- *     cdef parse(self, char * buffer, int len)
- * 
- * cdef class asTuple(Parser):             # <<<<<<<<<<<<<<
- *     cdef parse(self, char * buffer, int len)
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asTuple {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "ctabix.pxd":61
- *     cdef parse(self, char * buffer, int len)
- * 
- * cdef class asGTF(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asGTF {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "ctabix.pxd":64
- *     pass
- * 
- * cdef class asBed(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asBed {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "ctabix.pxd":67
- *     pass
- * 
- * cdef class asVCF(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_asVCF {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-};
-
-
-/* "ctabix.pxd":70
- *     pass
- * 
- * cdef class TabixIterator:             # <<<<<<<<<<<<<<
- *     cdef hts_itr_t * iterator
- *     cdef TabixFile tabixfile
- */
-struct __pyx_obj_5pysam_6ctabix_TabixIterator {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_TabixIterator *__pyx_vtab;
-  hts_itr_t *iterator;
-  struct __pyx_obj_5pysam_6ctabix_TabixFile *tabixfile;
-  kstring_t buffer;
-  PyObject *encoding;
-};
-
-
-/* "ctabix.pxd":77
- *     cdef int __cnext__(self)
- * 
- * cdef class TabixIteratorParsed(TabixIterator):             # <<<<<<<<<<<<<<
- *     cdef Parser parser
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_TabixIteratorParsed {
-  struct __pyx_obj_5pysam_6ctabix_TabixIterator __pyx_base;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-};
-
-
-/* "ctabix.pxd":80
- *     cdef Parser parser
- * 
- * cdef class GZIterator:             # <<<<<<<<<<<<<<
- *     cdef object _filename
- *     cdef gzFile gzipfile
- */
-struct __pyx_obj_5pysam_6ctabix_GZIterator {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_6ctabix_GZIterator *__pyx_vtab;
-  PyObject *_filename;
-  gzFile gzipfile;
-  kstream_t *kstream;
-  kstring_t buffer;
-  PyObject *encoding;
-};
-
-
-/* "ctabix.pxd":88
- *     cdef encoding
- * 
- * cdef class GZIteratorHead(GZIterator):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_GZIteratorHead {
-  struct __pyx_obj_5pysam_6ctabix_GZIterator __pyx_base;
-};
-
-
-/* "ctabix.pxd":91
- *     pass
- * 
- * cdef class GZIteratorParsed(GZIterator):             # <<<<<<<<<<<<<<
- *     cdef Parser parser
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_GZIteratorParsed {
-  struct __pyx_obj_5pysam_6ctabix_GZIterator __pyx_base;
-  struct __pyx_obj_5pysam_6ctabix_Parser *parser;
-};
-
-
-/* "ctabix.pxd":95
- * 
- * # Compatibility Layer for pysam < 0.8
- * cdef class Tabixfile(TabixFile):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_6ctabix_Tabixfile {
-  struct __pyx_obj_5pysam_6ctabix_TabixFile __pyx_base;
-};
-
-
-/* "TabProxies.pxd":41
- *   ctypedef int uint64_t
- * 
- * cdef class TupleProxy:             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_TupleProxy {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy *__pyx_vtab;
-  char *data;
-  char **fields;
-  int nfields;
-  int index;
-  int nbytes;
-  int offset;
-  int is_modified;
-  PyObject *encoding;
-};
-
-
-/* "TabProxies.pxd":63
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class GTFProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_GTFProxy {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-  char *_attributes;
-  int hasOwnAttributes;
-};
-
-
-/* "TabProxies.pxd":73
- *     cdef char * getAttributes( self )
- * 
- * cdef class NamedTupleProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-};
-
-
-/* "TabProxies.pxd":76
- *     pass
- * 
- * cdef class BedProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_BedProxy {
-  struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-  char *contig;
-  uint32_t start;
-  uint32_t end;
-  int bedfields;
-};
-
-
-/* "TabProxies.pxd":88
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class VCFProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-struct __pyx_obj_5pysam_10TabProxies_VCFProxy {
-  struct __pyx_obj_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-  char *contig;
-  uint32_t pos;
-};
-
-
-/* "pysam/cvcf.pyx":96
- * ###########################################################################################################
- * 
- * cdef class VCFRecord( TabProxies.TupleProxy):             # <<<<<<<<<<<<<<
- *     '''vcf record.
- * 
- */
-struct __pyx_obj_5pysam_4cvcf_VCFRecord {
-  struct __pyx_obj_5pysam_10TabProxies_TupleProxy __pyx_base;
-  PyObject *vcf;
-  char *contig;
-  uint32_t pos;
-};
-
-
-/* "pysam/cvcf.pyx":230
- * 
- * 
- * cdef class asVCFRecord(ctabix.Parser):             # <<<<<<<<<<<<<<
- *     '''converts a :term:`tabix row` into a VCF record.'''
- *     cdef vcffile
- */
-struct __pyx_obj_5pysam_4cvcf_asVCFRecord {
-  struct __pyx_obj_5pysam_6ctabix_Parser __pyx_base;
-  PyObject *vcffile;
-};
-
-
-/* "pysam/cvcf.pyx":914
- *         return line
- * 
- *     def _parse(self, line, stream):             # <<<<<<<<<<<<<<
- *         # deal with files with header only
- *         if line.startswith("##"): return
- */
-struct __pyx_obj_5pysam_4cvcf___pyx_scope_struct___parse {
-  PyObject_HEAD
-  PyObject *__pyx_v_d;
-  PyObject *__pyx_v_line;
-  PyObject *__pyx_v_self;
-  PyObject *__pyx_v_stream;
-  Py_ssize_t __pyx_t_0;
-  PyObject *__pyx_t_1;
-  PyObject *(*__pyx_t_2)(PyObject *);
-};
-
-
-
-/* "ctabix.pxd":19
- *     kstream_t, kstring_t, gzFile, tbx_t
- * 
- * cdef class tabix_file_iterator:             # <<<<<<<<<<<<<<
- *     cdef gzFile fh
- *     cdef kstream_t * kstream
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_tabix_file_iterator {
-  PyObject *(*__pyx___cnext__)(struct __pyx_obj_5pysam_6ctabix_tabix_file_iterator *);
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_tabix_file_iterator *__pyx_vtabptr_5pysam_6ctabix_tabix_file_iterator;
-
-
-/* "ctabix.pxd":53
- * 
- * ###########################################
- * cdef class Parser:             # <<<<<<<<<<<<<<
- *     cdef encoding
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_Parser {
-  PyObject *(*parse)(struct __pyx_obj_5pysam_6ctabix_Parser *, char *, int);
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_Parser *__pyx_vtabptr_5pysam_6ctabix_Parser;
-
-
-/* "ctabix.pxd":58
- *     cdef parse(self, char * buffer, int len)
- * 
- * cdef class asTuple(Parser):             # <<<<<<<<<<<<<<
- *     cdef parse(self, char * buffer, int len)
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_asTuple {
-  struct __pyx_vtabstruct_5pysam_6ctabix_Parser __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_asTuple *__pyx_vtabptr_5pysam_6ctabix_asTuple;
-
-
-/* "ctabix.pxd":61
- *     cdef parse(self, char * buffer, int len)
- * 
- * cdef class asGTF(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_asGTF {
-  struct __pyx_vtabstruct_5pysam_6ctabix_Parser __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_asGTF *__pyx_vtabptr_5pysam_6ctabix_asGTF;
-
-
-/* "ctabix.pxd":64
- *     pass
- * 
- * cdef class asBed(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_asBed {
-  struct __pyx_vtabstruct_5pysam_6ctabix_Parser __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_asBed *__pyx_vtabptr_5pysam_6ctabix_asBed;
-
-
-/* "ctabix.pxd":67
- *     pass
- * 
- * cdef class asVCF(Parser):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_asVCF {
-  struct __pyx_vtabstruct_5pysam_6ctabix_Parser __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_asVCF *__pyx_vtabptr_5pysam_6ctabix_asVCF;
-
-
-/* "ctabix.pxd":70
- *     pass
- * 
- * cdef class TabixIterator:             # <<<<<<<<<<<<<<
- *     cdef hts_itr_t * iterator
- *     cdef TabixFile tabixfile
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_TabixIterator {
-  int (*__pyx___cnext__)(struct __pyx_obj_5pysam_6ctabix_TabixIterator *);
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_TabixIterator *__pyx_vtabptr_5pysam_6ctabix_TabixIterator;
-
-
-/* "ctabix.pxd":77
- *     cdef int __cnext__(self)
- * 
- * cdef class TabixIteratorParsed(TabixIterator):             # <<<<<<<<<<<<<<
- *     cdef Parser parser
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_TabixIteratorParsed {
-  struct __pyx_vtabstruct_5pysam_6ctabix_TabixIterator __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_TabixIteratorParsed *__pyx_vtabptr_5pysam_6ctabix_TabixIteratorParsed;
-
-
-/* "ctabix.pxd":80
- *     cdef Parser parser
- * 
- * cdef class GZIterator:             # <<<<<<<<<<<<<<
- *     cdef object _filename
- *     cdef gzFile gzipfile
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_GZIterator {
-  int (*__pyx___cnext__)(struct __pyx_obj_5pysam_6ctabix_GZIterator *);
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_GZIterator *__pyx_vtabptr_5pysam_6ctabix_GZIterator;
-
-
-/* "ctabix.pxd":88
- *     cdef encoding
- * 
- * cdef class GZIteratorHead(GZIterator):             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_GZIteratorHead {
-  struct __pyx_vtabstruct_5pysam_6ctabix_GZIterator __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_GZIteratorHead *__pyx_vtabptr_5pysam_6ctabix_GZIteratorHead;
-
-
-/* "ctabix.pxd":91
- *     pass
- * 
- * cdef class GZIteratorParsed(GZIterator):             # <<<<<<<<<<<<<<
- *     cdef Parser parser
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_6ctabix_GZIteratorParsed {
-  struct __pyx_vtabstruct_5pysam_6ctabix_GZIterator __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_6ctabix_GZIteratorParsed *__pyx_vtabptr_5pysam_6ctabix_GZIteratorParsed;
-
-
-/* "TabProxies.pxd":41
- *   ctypedef int uint64_t
- * 
- * cdef class TupleProxy:             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy {
-  int (*getMaxFields)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *);
-  int (*getMinFields)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *);
-  PyObject *(*take)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-  PyObject *(*present)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-  PyObject *(*copy)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-  PyObject *(*update)(struct __pyx_obj_5pysam_10TabProxies_TupleProxy *, char *, size_t);
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy *__pyx_vtabptr_5pysam_10TabProxies_TupleProxy;
-
-
-/* "TabProxies.pxd":63
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class GTFProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_GTFProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy __pyx_base;
-  char *(*getAttributes)(struct __pyx_obj_5pysam_10TabProxies_GTFProxy *);
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_GTFProxy *__pyx_vtabptr_5pysam_10TabProxies_GTFProxy;
-
-
-/* "TabProxies.pxd":73
- *     cdef char * getAttributes( self )
- * 
- * cdef class NamedTupleProxy(TupleProxy) :             # <<<<<<<<<<<<<<
- *     pass
- * 
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_TupleProxy __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy *__pyx_vtabptr_5pysam_10TabProxies_NamedTupleProxy;
-
-
-/* "TabProxies.pxd":76
- *     pass
- * 
- * cdef class BedProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_BedProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_BedProxy *__pyx_vtabptr_5pysam_10TabProxies_BedProxy;
-
-
-/* "TabProxies.pxd":88
- *     cdef update(self, char * buffer, size_t nbytes)
- * 
- * cdef class VCFProxy(NamedTupleProxy) :             # <<<<<<<<<<<<<<
- * 
- *     cdef:
- */
-
-struct __pyx_vtabstruct_5pysam_10TabProxies_VCFProxy {
-  struct __pyx_vtabstruct_5pysam_10TabProxies_NamedTupleProxy __pyx_base;
-};
-static struct __pyx_vtabstruct_5pysam_10TabProxies_VCFProxy *__pyx_vtabptr_5pysam_10TabProxies_VCFProxy;
-
-
-/* "pysam/cvcf.pyx":96
- * ###########################################################################################################
- * 
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-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
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-    #if PY_MAJOR_VERSION < 3
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-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
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-#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o,n,NULL)
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-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
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-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
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-                                           PyObject *mkw, PyObject *modname, PyObject *doc); /*proto*/
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, PyObject *dict,
-                                      PyObject *mkw, int calculate_metaclass, int allow_py2_metaclass); /*proto*/
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); /*proto*/
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value);
-
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
-
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
-
-#define __Pyx_Generator_USED
-#include <structmember.h>
-#include <frameobject.h>
-typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
-typedef struct {
-    PyObject_HEAD
-    __pyx_generator_body_t body;
-    PyObject *closure;
-    PyObject *exc_type;
-    PyObject *exc_value;
-    PyObject *exc_traceback;
-    PyObject *gi_weakreflist;
-    PyObject *classobj;
-    PyObject *yieldfrom;
-    int resume_label;
-    char is_running;
-} __pyx_GeneratorObject;
-static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                                  PyObject *closure);
-static int __pyx_Generator_init(void);
-static int __Pyx_Generator_clear(PyObject* self);
-#if 1 || PY_VERSION_HEX < 0x030300B0
-static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
-#else
-#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
-#endif
-
-static int __Pyx_check_binary_version(void);
-
-#if !defined(__Pyx_PyIdentifier_FromString)
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
-#else
-  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
-#endif
-#endif
-
-static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
-
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, size_t size, int strict);  /*proto*/
-
-static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig); /*proto*/
-
-typedef struct {
-    int code_line;
-    PyCodeObject* code_object;
-} __Pyx_CodeObjectCacheEntry;
-struct __Pyx_CodeObjectCache {
-    int count;
-    int max_count;
-    __Pyx_CodeObjectCacheEntry* entries;
-};
-static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
-static PyCodeObject *__pyx_find_code_object(int code_line);
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
-
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename); /*proto*/
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
-
-
-/* Module declarations from 'libc.stdint' */
-
-/* Module declarations from 'libc.string' */
-
-/* Module declarations from 'libc.stdlib' */
-
-/* Module declarations from 'libc.stdio' */
-
-/* Module declarations from 'pysam.chtslib' */
-
-/* Module declarations from 'pysam.ctabix' */
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_tabix_file_iterator = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_TabixFile = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_Parser = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asTuple = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asGTF = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asBed = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_asVCF = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_TabixIterator = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_TabixIteratorParsed = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_GZIterator = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_GZIteratorHead = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_GZIteratorParsed = 0;
-static PyTypeObject *__pyx_ptype_5pysam_6ctabix_Tabixfile = 0;
-static PyObject *(*__pyx_f_5pysam_6ctabix__force_str)(PyObject *, struct __pyx_opt_args_5pysam_6ctabix__force_str *__pyx_optional_args); /*proto*/
-
-/* Module declarations from 'pysam.TabProxies' */
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_TupleProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_GTFProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_NamedTupleProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_BedProxy = 0;
-static PyTypeObject *__pyx_ptype_5pysam_10TabProxies_VCFProxy = 0;
-
-/* Module declarations from 'pysam.cvcf' */
-static PyTypeObject *__pyx_ptype_5pysam_4cvcf_VCFRecord = 0;
-static PyTypeObject *__pyx_ptype_5pysam_4cvcf_asVCFRecord = 0;
-static PyTypeObject *__pyx_ptype_5pysam_4cvcf___pyx_scope_struct___parse = 0;
-#define __Pyx_MODULE_NAME "pysam.cvcf"
-int __pyx_module_is_main_pysam__cvcf = 0;
-
-/* Implementation of 'pysam.cvcf' */
-static PyObject *__pyx_builtin_object;
-static PyObject *__pyx_builtin_ValueError;
-static PyObject *__pyx_builtin_range;
-static PyObject *__pyx_builtin_enumerate;
-static PyObject *__pyx_builtin_map;
-static PyObject *__pyx_builtin_min;
-static PyObject *__pyx_builtin_zip;
-static PyObject *__pyx_builtin_StopIteration;
-static PyObject *__pyx_builtin_KeyError;
-static PyObject *__pyx_builtin_NotImplementedError;
-static PyObject *__pyx_pf_5pysam_4cvcf_get_sequence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_chrom, PyObject *__pyx_v_start, PyObject *__pyx_v_end, PyObject *__pyx_v_fa); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_2parse_regions(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_string); /* proto */
-static int __pyx_pf_5pysam_4cvcf_9VCFRecord___init__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self, PyObject *__pyx_v_vcf); /* proto */
-static int __pyx_pf_5pysam_4cvcf_9VCFRecord_2__cinit__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self, PyObject *__pyx_v_vcf); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_4error(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self, PyObject *__pyx_v_line, PyObject *__pyx_v_error, PyObject *__pyx_v_opt); /* proto */
-static Py_ssize_t __pyx_pf_5pysam_4cvcf_9VCFRecord_6__len__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_6contig___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_3pos___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_2id___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_3ref___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_3alt___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_4qual___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_6filter___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_4info___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_6format___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_7samples___get__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_9VCFRecord_8__getitem__(struct __pyx_obj_5pysam_4cvcf_VCFRecord *__pyx_v_self, PyObject *__pyx_v_key); /* proto */
-static int __pyx_pf_5pysam_4cvcf_11asVCFRecord___init__(struct __pyx_obj_5pysam_4cvcf_asVCFRecord *__pyx_v_self, PyObject *__pyx_v_vcffile); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v__copy, PyObject *__pyx_v_reference, PyObject *__pyx_v_regions, PyObject *__pyx_v_lines, PyObject *__pyx_v_leftalign); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_2error(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_line, PyObject *__pyx_v_error, PyObject *__pyx_v_opt); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_4parse_format(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_line, PyObject *__pyx_v_format, PyObject *__pyx_v_filter); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_6format_format(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_fmt, PyObject *__pyx_v_filter); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_8get_expected(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_format, PyObject *__pyx_v_formatdict, PyObject *__pyx_v_alt); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_10_add_definition(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_formatdict, PyObject *__pyx_v_key, PyObject *__pyx_v_data, PyObject *__pyx_v_line); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_12format_formatdata(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_data, PyObject *__pyx_v_format, PyObject *__pyx_v_key, PyObject *__pyx_v_value, PyObject *__pyx_v_separator); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_14enter_default_format(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_16parse_header(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_line); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_18write_header(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_20parse_heading(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_line); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_22write_heading(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_24convertGT(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_GTstring); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_26convertGTback(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, PyObject *__pyx_v_GTdata); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_28parse_formatdata(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_value, PyObject *__pyx_v_formatdict, PyObject *__pyx_v_line); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_30inregion(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_chrom, PyObject *__pyx_v_pos); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_32parse_data(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_line, PyObject *__pyx_v_lineparse); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_34write_data(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream, PyObject *__pyx_v_data); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_36_parse_header(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_38_parse(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_line, PyObject *__pyx_v_stream); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_41getsamples(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_43setsamples(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_samples); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_45getheader(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_47setheader(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_header); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_49getinfo(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_51setinfo(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_info); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_53getformat(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_55setformat(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_format); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_57getfilter(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_59setfilter(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_filter); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_61setversion(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_version); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_63setregions(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_regions); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_65setreference(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_ref); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_67ignoreerror(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_errorstring); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_69warnerror(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_errorstring); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_71parse(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_73write(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream, PyObject *__pyx_v_datagenerator); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_75writeheader(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_stream); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_77compare_calls(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, PyObject *__pyx_v_pos1, PyObject *__pyx_v_ref1, PyObject *__pyx_v_alt1, PyObject *__pyx_v_pos2, PyObject *__pyx_v_ref2, PyObject *__pyx_v_alt2); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_79connect(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_filename, PyObject *__pyx_v_encoding); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_81fetch(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_reference, PyObject *__pyx_v_start, PyObject *__pyx_v_end, PyObject *__pyx_v_region); /* proto */
-static PyObject *__pyx_pf_5pysam_4cvcf_3VCF_83validate(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_record); /* proto */
-static PyObject *__pyx_tp_new_5pysam_4cvcf_VCFRecord(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_4cvcf_asVCFRecord(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5pysam_4cvcf___pyx_scope_struct___parse(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static char __pyx_k_[] = "";
-static char __pyx_k_0[] = "0";
-static char __pyx_k_A[] = "A";
-static char __pyx_k_D[] = "D";
-static char __pyx_k_G[] = "G";
-static char __pyx_k_I[] = "I";
-static char __pyx_k_N[] = "N";
-static char __pyx_k_a[] = "a";
-static char __pyx_k_c[] = "c";
-static char __pyx_k_d[] = "d";
-static char __pyx_k_f[] = "f";
-static char __pyx_k_i[] = "i";
-static char __pyx_k_k[] = "k";
-static char __pyx_k_l[] = "l";
-static char __pyx_k_n[] = "n";
-static char __pyx_k_r[] = "r";
-static char __pyx_k_s[] = "s";
-static char __pyx_k_t[] = "t";
-static char __pyx_k_v[] = "v";
-static char __pyx_k_x[] = "x";
-static char __pyx_k_y[] = "y";
-static char __pyx_k_DP[] = "DP";
-static char __pyx_k_EC[] = "EC";
-static char __pyx_k_FT[] = "FT";
-static char __pyx_k_GL[] = "GL";
-static char __pyx_k_GP[] = "GP";
-static char __pyx_k_GQ[] = "GQ";
-static char __pyx_k_GT[] = "GT";
-static char __pyx_k_HQ[] = "HQ";
-static char __pyx_k_ID[] = "ID=";
-static char __pyx_k_MQ[] = "MQ";
-static char __pyx_k_PL[] = "PL";
-static char __pyx_k_PQ[] = "PQ";
-static char __pyx_k_PS[] = "PS";
-static char __pyx_k__2[] = ",";
-static char __pyx_k__4[] = ":";
-static char __pyx_k__6[] = "-";
-static char __pyx_k__8[] = ".";
-static char __pyx_k_fa[] = "fa";
-static char __pyx_k_id[] = "id";
-static char __pyx_k_na[] = "na";
-static char __pyx_k_re[] = "re";
-static char __pyx_k_ALT[] = "ALT";
-static char __pyx_k_GLE[] = "GLE";
-static char __pyx_k_POS[] = "POS";
-static char __pyx_k_REF[] = "REF";
-static char __pyx_k_VCF[] = "VCF";
-static char __pyx_k__10[] = ";";
-static char __pyx_k__13[] = "=";
-static char __pyx_k__21[] = "<";
-static char __pyx_k__23[] = ">";
-static char __pyx_k__29[] = "\"";
-static char __pyx_k__46[] = "##";
-static char __pyx_k__51[] = "#";
-static char __pyx_k__55[] = "\t";
-static char __pyx_k__60[] = "\n";
-static char __pyx_k__61[] = "|";
-static char __pyx_k__91[] = "[|/\\\\]";
-static char __pyx_k_add[] = "add";
-static char __pyx_k_all[] = "__all__";
-static char __pyx_k_alt[] = "alt";
-static char __pyx_k_doc[] = "__doc__";
-static char __pyx_k_end[] = "end";
-static char __pyx_k_err[] = "err";
-static char __pyx_k_fmt[] = "fmt";
-static char __pyx_k_get[] = "get";
-static char __pyx_k_gts[] = "gts";
-static char __pyx_k_idx[] = "idx";
-static char __pyx_k_key[] = "key";
-static char __pyx_k_map[] = "map";
-static char __pyx_k_min[] = "min";
-static char __pyx_k_nmb[] = "nmb";
-static char __pyx_k_opt[] = "opt";
-static char __pyx_k_pos[] = "pos";
-static char __pyx_k_ref[] = "ref";
-static char __pyx_k_s_s[] = "%s=%s";
-static char __pyx_k_sys[] = "sys";
-static char __pyx_k_var[] = "var";
-static char __pyx_k_vcf[] = "vcf";
-static char __pyx_k_zip[] = "zip";
-static char __pyx_k_Flag[] = "Flag";
-static char __pyx_k_ID_2[] = "ID";
-static char __pyx_k_INFO[] = "INFO";
-static char __pyx_k_PASS[] = "PASS";
-static char __pyx_k_QUAL[] = "QUAL";
-static char __pyx_k_Type[] = "Type=";
-static char __pyx_k_addn[] = "addn";
-static char __pyx_k_alt1[] = "alt1";
-static char __pyx_k_alt2[] = "alt2";
-static char __pyx_k_args[] = "args";
-static char __pyx_k_cols[] = "cols";
-static char __pyx_k_copy[] = "_copy";
-static char __pyx_k_data[] = "data";
-static char __pyx_k_dict[] = "__dict__";
-static char __pyx_k_elts[] = "elts";
-static char __pyx_k_find[] = "find";
-static char __pyx_k_info[] = "_info";
-static char __pyx_k_init[] = "__init__";
-static char __pyx_k_join[] = "join";
-static char __pyx_k_keys[] = "keys";
-static char __pyx_k_last[] = "last";
-static char __pyx_k_left[] = "left";
-static char __pyx_k_line[] = "line";
-static char __pyx_k_main[] = "__main__";
-static char __pyx_k_pos1[] = "pos1";
-static char __pyx_k_pos2[] = "pos2";
-static char __pyx_k_qual[] = "qual";
-static char __pyx_k_ref1[] = "ref1";
-static char __pyx_k_ref2[] = "ref2";
-static char __pyx_k_rest[] = "rest";
-static char __pyx_k_self[] = "self";
-static char __pyx_k_send[] = "send";
-static char __pyx_k_test[] = "__test__";
-static char __pyx_k_type[] = "type";
-static char __pyx_k_ACGTN[] = "ACGTN";
-static char __pyx_k_CHROM[] = "CHROM";
-static char __pyx_k_Error[] = "Error";
-static char __pyx_k_Float[] = "Float";
-static char __pyx_k_addns[] = "addns";
-static char __pyx_k_ascii[] = "ascii";
-static char __pyx_k_blurp[] = "blurp";
-static char __pyx_k_chrom[] = "chrom";
-static char __pyx_k_close[] = "close";
-static char __pyx_k_descr[] = "descr";
-static char __pyx_k_error[] = "error";
-static char __pyx_k_faref[] = "faref";
-static char __pyx_k_fetch[] = "fetch";
-static char __pyx_k_first[] = "first";
-static char __pyx_k_ielts[] = "ielts";
-static char __pyx_k_label[] = "label";
-static char __pyx_k_lines[] = "lines";
-static char __pyx_k_match[] = "match";
-static char __pyx_k_parse[] = "_parse";
-static char __pyx_k_pysam[] = "pysam";
-static char __pyx_k_range[] = "range";
-static char __pyx_k_s_s_2[] = "##%s=%s\n";
-static char __pyx_k_sdata[] = "sdata";
-static char __pyx_k_split[] = "split";
-static char __pyx_k_start[] = "start";
-static char __pyx_k_strip[] = "strip";
-static char __pyx_k_throw[] = "throw";
-static char __pyx_k_upper[] = "upper";
-static char __pyx_k_value[] = "value";
-static char __pyx_k_write[] = "write";
-static char __pyx_k_FILTER[] = "FILTER";
-static char __pyx_k_FORMAT[] = "FORMAT";
-static char __pyx_k_GTdata[] = "GTdata";
-static char __pyx_k_Number[] = "Number=";
-static char __pyx_k_String[] = "String";
-static char __pyx_k_Type_2[] = "Type";
-static char __pyx_k_allele[] = "allele";
-static char __pyx_k_append[] = "append";
-static char __pyx_k_bisect[] = "bisect";
-static char __pyx_k_copy_2[] = "copy";
-static char __pyx_k_dict_2[] = "dict";
-static char __pyx_k_errors[] = "_errors";
-static char __pyx_k_filter[] = "_filter";
-static char __pyx_k_format[] = "format";
-static char __pyx_k_header[] = "_header";
-static char __pyx_k_import[] = "__import__";
-static char __pyx_k_info_2[] = "info";
-static char __pyx_k_line_2[] = "_line";
-static char __pyx_k_lineno[] = "_lineno";
-static char __pyx_k_module[] = "__module__";
-static char __pyx_k_number[] = "number";
-static char __pyx_k_object[] = "object";
-static char __pyx_k_output[] = "(output)";
-static char __pyx_k_parser[] = "parser";
-static char __pyx_k_record[] = "record";
-static char __pyx_k_region[] = "region";
-static char __pyx_k_result[] = "result";
-static char __pyx_k_sample[] = "sample";
-static char __pyx_k_stream[] = "stream";
-static char __pyx_k_string[] = "string";
-static char __pyx_k_values[] = "values";
-static char __pyx_k_ACGTN_2[] = "^[ACGTN]+$";
-static char __pyx_k_Integer[] = "Integer";
-static char __pyx_k_VCFv3_3[] = "VCFv3.3";
-static char __pyx_k_VCFv4_0[] = "VCFv4.0";
-static char __pyx_k_VCFv4_1[] = "VCFv4.1";
-static char __pyx_k_Warning[] = "Warning";
-static char __pyx_k_alleles[] = "#alleles";
-static char __pyx_k_compile[] = "compile";
-static char __pyx_k_connect[] = "connect";
-static char __pyx_k_errwarn[] = "errwarn";
-static char __pyx_k_getinfo[] = "getinfo";
-static char __pyx_k_lines_2[] = "_lines";
-static char __pyx_k_longest[] = "longest";
-static char __pyx_k_missing[] = "missing";
-static char __pyx_k_movable[] = "movable";
-static char __pyx_k_newalts[] = "newalts";
-static char __pyx_k_parse_2[] = "parse";
-static char __pyx_k_prepare[] = "__prepare__";
-static char __pyx_k_regions[] = "regions";
-static char __pyx_k_replace[] = "replace";
-static char __pyx_k_samples[] = "_samples";
-static char __pyx_k_setinfo[] = "setinfo";
-static char __pyx_k_vcffile[] = "vcffile";
-static char __pyx_k_version[] = "_version";
-static char __pyx_k_GTstring[] = "GTstring";
-static char __pyx_k_Genotype[] = "Genotype";
-static char __pyx_k_KeyError[] = "KeyError";
-static char __pyx_k_Number_2[] = "Number";
-static char __pyx_k_deepcopy[] = "deepcopy";
-static char __pyx_k_encoding[] = "encoding";
-static char __pyx_k_endswith[] = "endswith";
-static char __pyx_k_expected[] = "expected";
-static char __pyx_k_filename[] = "filename";
-static char __pyx_k_filter_2[] = "filter";
-static char __pyx_k_format_2[] = "_format";
-static char __pyx_k_gtsRegEx[] = "gtsRegEx";
-static char __pyx_k_header_2[] = "header";
-static char __pyx_k_headings[] = "headings";
-static char __pyx_k_inregion[] = "inregion";
-static char __pyx_k_operator[] = "operator";
-static char __pyx_k_output_2[] = "output";
-static char __pyx_k_qualname[] = "__qualname__";
-static char __pyx_k_required[] = "_required";
-static char __pyx_k_sequence[] = "sequence";
-static char __pyx_k_shortest[] = "shortest";
-static char __pyx_k_validate[] = "validate";
-static char __pyx_k_Character[] = "Character";
-static char __pyx_k_NT_NUMBER[] = "NT_NUMBER";
-static char __pyx_k_Phase_set[] = "Phase set";
-static char __pyx_k_Tabixfile[] = "Tabixfile";
-static char __pyx_k_VCFRecord[] = "VCFRecord";
-static char __pyx_k_VCF_error[] = "VCF.error";
-static char __pyx_k_VCF_fetch[] = "VCF.fetch";
-static char __pyx_k_VCF_parse[] = "VCF.parse";
-static char __pyx_k_VCF_write[] = "VCF.write";
-static char __pyx_k_WRONG_REF[] = "WRONG_REF";
-static char __pyx_k_convertGT[] = "convertGT";
-static char __pyx_k_enumerate[] = "enumerate";
-static char __pyx_k_genotypes[] = "#genotypes";
-static char __pyx_k_getfilter[] = "getfilter";
-static char __pyx_k_getformat[] = "getformat";
-static char __pyx_k_getheader[] = "getheader";
-static char __pyx_k_last_line[] = "last_line";
-static char __pyx_k_leftalign[] = "leftalign";
-static char __pyx_k_lineparse[] = "lineparse";
-static char __pyx_k_metaclass[] = "__metaclass__";
-static char __pyx_k_reference[] = "reference";
-static char __pyx_k_regions_2[] = "_regions";
-static char __pyx_k_samples_2[] = "samples";
-static char __pyx_k_separator[] = "separator";
-static char __pyx_k_setfilter[] = "setfilter";
-static char __pyx_k_setformat[] = "setformat";
-static char __pyx_k_setheader[] = "setheader";
-static char __pyx_k_tabixfile[] = "tabixfile";
-static char __pyx_k_version_2[] = "version";
-static char __pyx_k_warnerror[] = "warnerror";
-static char __pyx_k_NT_ALLELES[] = "NT_ALLELES";
-static char __pyx_k_NT_UNKNOWN[] = "NT_UNKNOWN";
-static char __pyx_k_VCF___init[] = "VCF.__init__";
-static char __pyx_k_VCF__parse[] = "VCF._parse";
-static char __pyx_k_ValueError[] = "ValueError";
-static char __pyx_k_errorlabel[] = "errorlabel";
-static char __pyx_k_fileformat[] = "fileformat";
-static char __pyx_k_formatdict[] = "formatdict";
-static char __pyx_k_getsamples[] = "getsamples";
-static char __pyx_k_itemgetter[] = "itemgetter";
-static char __pyx_k_itervalues[] = "itervalues";
-static char __pyx_k_namedtuple[] = "namedtuple";
-static char __pyx_k_numbertype[] = "numbertype";
-static char __pyx_k_parse_data[] = "parse_data";
-static char __pyx_k_pysam_cvcf[] = "pysam.cvcf";
-static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
-static char __pyx_k_required_2[] = "required";
-static char __pyx_k_setregions[] = "setregions";
-static char __pyx_k_setsamples[] = "setsamples";
-static char __pyx_k_setversion[] = "setversion";
-static char __pyx_k_startswith[] = "startswith";
-static char __pyx_k_write_data[] = "write_data";
-static char __pyx_k_Description[] = "Description=";
-static char __pyx_k_MISSING_REF[] = "MISSING_REF";
-static char __pyx_k_V33_BAD_REF[] = "V33_BAD_REF";
-static char __pyx_k_VCF_connect[] = "VCF.connect";
-static char __pyx_k_VCF_getinfo[] = "VCF.getinfo";
-static char __pyx_k_VCF_setinfo[] = "VCF.setinfo";
-static char __pyx_k_alleleRegEx[] = "alleleRegEx";
-static char __pyx_k_collections[] = "collections";
-static char __pyx_k_defaultdict[] = "defaultdict";
-static char __pyx_k_description[] = "description";
-static char __pyx_k_errorstring[] = "errorstring";
-static char __pyx_k_ignoreerror[] = "ignoreerror";
-static char __pyx_k_leftalign_2[] = "_leftalign";
-static char __pyx_k_reference_2[] = "_reference";
-static char __pyx_k_warn_errors[] = "_warn_errors";
-static char __pyx_k_writeheader[] = "writeheader";
-static char __pyx_k_BAD_GENOTYPE[] = "BAD_GENOTYPE";
-static char __pyx_k_NT_GENOTYPES[] = "NT_GENOTYPES";
-static char __pyx_k_VCF_inregion[] = "VCF.inregion";
-static char __pyx_k_VCF_validate[] = "VCF.validate";
-static char __pyx_k_get_expected[] = "get_expected";
-static char __pyx_k_get_sequence[] = "get_sequence";
-static char __pyx_k_missingvalue[] = "missingvalue";
-static char __pyx_k_parse_format[] = "parse_format";
-static char __pyx_k_parse_header[] = "parse_header";
-static char __pyx_k_setreference[] = "setreference";
-static char __pyx_k_write_header[] = "write_header";
-static char __pyx_k_Description_2[] = "Description";
-static char __pyx_k_NT_NR_ALLELES[] = "NT_NR_ALLELES";
-static char __pyx_k_StopIteration[] = "StopIteration";
-static char __pyx_k_Undefined_tag[] = "(Undefined tag)";
-static char __pyx_k_VCF_convertGT[] = "VCF.convertGT";
-static char __pyx_k_VCF_getfilter[] = "VCF.getfilter";
-static char __pyx_k_VCF_getformat[] = "VCF.getformat";
-static char __pyx_k_VCF_getheader[] = "VCF.getheader";
-static char __pyx_k_VCF_setfilter[] = "VCF.setfilter";
-static char __pyx_k_VCF_setformat[] = "VCF.setformat";
-static char __pyx_k_VCF_setheader[] = "VCF.setheader";
-static char __pyx_k_VCF_warnerror[] = "VCF.warnerror";
-static char __pyx_k_compare_calls[] = "compare_calls";
-static char __pyx_k_convertGTback[] = "convertGTback";
-static char __pyx_k_datagenerator[] = "datagenerator";
-static char __pyx_k_format_format[] = "format_format";
-static char __pyx_k_parse_heading[] = "parse_heading";
-static char __pyx_k_parse_regions[] = "parse_regions";
-static char __pyx_k_sample2column[] = "_sample2column";
-static char __pyx_k_write_heading[] = "write_heading";
-static char __pyx_k_V33_BAD_ALLELE[] = "V33_BAD_ALLELE";
-static char __pyx_k_V40_BAD_ALLELE[] = "V40_BAD_ALLELE";
-static char __pyx_k_VCF_getsamples[] = "VCF.getsamples";
-static char __pyx_k_VCF_parse_data[] = "VCF.parse_data";
-static char __pyx_k_VCF_setregions[] = "VCF.setregions";
-static char __pyx_k_VCF_setsamples[] = "VCF.setsamples";
-static char __pyx_k_VCF_setversion[] = "VCF.setversion";
-static char __pyx_k_VCF_write_data[] = "VCF.write_data";
-static char __pyx_k_add_definition[] = "_add_definition";
-static char __pyx_k_have_deletions[] = "have_deletions";
-static char __pyx_k_ignored_errors[] = "_ignored_errors";
-static char __pyx_k_nonref_alleles[] = "#nonref_alleles";
-static char __pyx_k_parse_header_2[] = "_parse_header";
-static char __pyx_k_Phasing_quality[] = "Phasing quality";
-static char __pyx_k_VCF_ignoreerror[] = "VCF.ignoreerror";
-static char __pyx_k_VCF_writeheader[] = "VCF.writeheader";
-static char __pyx_k_faref_leftflank[] = "faref_leftflank";
-static char __pyx_k_Genotype_Quality[] = "Genotype Quality";
-static char __pyx_k_POS_NOT_POSITIVE[] = "POS_NOT_POSITIVE";
-static char __pyx_k_VCF_get_expected[] = "VCF.get_expected";
-static char __pyx_k_VCF_parse_format[] = "VCF.parse_format";
-static char __pyx_k_VCF_parse_header[] = "VCF.parse_header";
-static char __pyx_k_VCF_setreference[] = "VCF.setreference";
-static char __pyx_k_VCF_write_header[] = "VCF.write_header";
-static char __pyx_k_parse_formatdata[] = "parse_formatdata";
-static char __pyx_k_phased_genotypes[] = "#phased_genotypes";
-static char __pyx_k_ERROR_INFO_STRING[] = "ERROR_INFO_STRING";
-static char __pyx_k_ERROR_UNKNOWN_KEY[] = "ERROR_UNKNOWN_KEY";
-static char __pyx_k_Haplotype_Quality[] = "Haplotype Quality";
-static char __pyx_k_POS_NOT_NUMERICAL[] = "POS_NOT_NUMERICAL";
-static char __pyx_k_VCF__parse_header[] = "VCF._parse_header";
-static char __pyx_k_VCF_compare_calls[] = "VCF.compare_calls";
-static char __pyx_k_VCF_convertGTback[] = "VCF.convertGTback";
-static char __pyx_k_VCF_format_format[] = "VCF.format_format";
-static char __pyx_k_VCF_parse_heading[] = "VCF.parse_heading";
-static char __pyx_k_VCF_write_heading[] = "VCF.write_heading";
-static char __pyx_k_format_formatdata[] = "format_formatdata";
-static char __pyx_k_in_line_s_s_s_s_s[] = " in line %s: '%s'\n%s %s: %s\n";
-static char __pyx_k_FILTER_NOT_DEFINED[] = "FILTER_NOT_DEFINED";
-static char __pyx_k_FORMAT_NOT_DEFINED[] = "FORMAT_NOT_DEFINED";
-static char __pyx_k_QUAL_NOT_NUMERICAL[] = "QUAL_NOT_NUMERICAL";
-static char __pyx_k_ZERO_LENGTH_ALLELE[] = "ZERO_LENGTH_ALLELE";
-static char __pyx_k_found_s_expected_s[] = "(found %s, expected %s)";
-static char __pyx_k_ERROR_TRAILING_DATA[] = "ERROR_TRAILING_DATA";
-static char __pyx_k_NT_PHASED_GENOTYPES[] = "NT_PHASED_GENOTYPES";
-static char __pyx_k_NotImplementedError[] = "NotImplementedError";
-static char __pyx_k_RMS_mapping_quality[] = "RMS mapping quality";
-static char __pyx_k_UNKNOWN_CHAR_IN_REF[] = "UNKNOWN_CHAR_IN_REF";
-static char __pyx_k_VCF__add_definition[] = "VCF._add_definition";
-static char __pyx_k_fileformat_VCFv_s_s[] = "##fileformat=VCFv%s.%s\n";
-static char __pyx_k_needs_to_be_checked[] = "needs to be checked";
-static char __pyx_k_sth_entry_not_found[] = "(%sth entry not found)";
-static char __pyx_k_BAD_NUMBER_OF_VALUES[] = "BAD_NUMBER_OF_VALUES";
-static char __pyx_k_ERROR_FLAG_HAS_VALUE[] = "ERROR_FLAG_HAS_VALUE";
-static char __pyx_k_Genotype_likelihoods[] = "Genotype likelihoods";
-static char __pyx_k_VCF_parse_formatdata[] = "VCF.parse_formatdata";
-static char __pyx_k_enter_default_format[] = "enter_default_format";
-static char __pyx_k_BAD_NUMBER_OF_COLUMNS[] = "BAD_NUMBER_OF_COLUMNS";
-static char __pyx_k_ERROR_FORMAT_NOT_CHAR[] = "ERROR_FORMAT_NOT_CHAR";
-static char __pyx_k_FORMAT_MISSING_QUOTES[] = "FORMAT_MISSING_QUOTES";
-static char __pyx_k_UNKNOWN_FORMAT_STRING[] = "UNKNOWN_FORMAT_STRING";
-static char __pyx_k_VCF_format_formatdata[] = "VCF.format_formatdata";
-static char __pyx_k_Invalid_error_string_s[] = "Invalid error string: %s";
-static char __pyx_k_Sample_Genotype_Filter[] = "Sample Genotype Filter";
-static char __pyx_k_V33_UNMATCHED_DELETION[] = "V33_UNMATCHED_DELETION";
-static char __pyx_k_BADLY_FORMATTED_HEADING[] = "BADLY_FORMATTED_HEADING";
-static char __pyx_k_ZERO_FOR_NON_FLAG_FIELD[] = "ZERO_FOR_NON_FLAG_FIELD";
-static char __pyx_k_BAD_NUMBER_OF_PARAMETERS[] = "BAD_NUMBER_OF_PARAMETERS";
-static char __pyx_k_ERROR_FORMAT_NOT_INTEGER[] = "ERROR_FORMAT_NOT_INTEGER";
-static char __pyx_k_VCF_enter_default_format[] = "VCF.enter_default_format";
-static char __pyx_k_reference_is_s_VCF_says_s[] = "(reference is %s, VCF says %s)";
-static char __pyx_k_ERROR_FORMAT_NOT_NUMERICAL[] = "ERROR_FORMAT_NOT_NUMERICAL";
-static char __pyx_k_V40_MISSING_ANGLE_BRACKETS[] = "V40_MISSING_ANGLE_BRACKETS";
-static char __pyx_k_WRONG_REF_Wrong_reference_s[] = "WRONG_REF:Wrong reference %s";
-static char __pyx_k_Conditional_genotype_quality[] = "Conditional genotype quality";
-static char __pyx_k_deletion_is_s_reference_is_s[] = "(deletion is %s, reference is %s)";
-static char __pyx_k_BADLY_FORMATTED_FORMAT_STRING[] = "BADLY_FORMATTED_FORMAT_STRING";
-static char __pyx_k_HEADING_NOT_SEPARATED_BY_TABS[] = "HEADING_NOT_SEPARATED_BY_TABS";
-static char __pyx_k_MISSING_INDEL_ALLELE_REF_BASE[] = "MISSING_INDEL_ALLELE_REF_BASE";
-static char __pyx_k_home_andreas_devel_pysam_pysam[] = "/home/andreas/devel/pysam/pysam/cvcf.pyx";
-static char __pyx_k_BADLY_FORMATTED_HEADING_Did_not[] = "BADLY_FORMATTED_HEADING:Did not find 9 required headings (CHROM, POS, ..., FORMAT) %s";
-static char __pyx_k_ERROR_FORMAT_NOT_CHAR_Eexpected[] = "ERROR_FORMAT_NOT_CHAR:Eexpected character in formatted field; got string";
-static char __pyx_k_ERROR_UNKNOWN_KEY_Unknown_key_s[] = "ERROR_UNKNOWN_KEY:Unknown key (%s) found in formatted field (info; format; or filter)";
-static char __pyx_k_Expected_alternate_allel_counts[] = "Expected alternate allel counts";
-static char __pyx_k_FILTER_NOT_DEFINED_Identifier_s[] = "FILTER_NOT_DEFINED:Identifier (%s) in filter found which was not defined in header";
-static char __pyx_k_FORMAT_NOT_DEFINED_Identifier_s[] = "FORMAT_NOT_DEFINED:Identifier (%s) in format found which was not defined in header";
-static char __pyx_k_POS_NOT_POSITIVE_Position_field[] = "POS_NOT_POSITIVE:Position field must be >0";
-static char __pyx_k_Read_depth_at_this_position_for[] = "Read depth at this position for this sample";
-static char __pyx_k_Unknown_number_type_encountered[] = "Unknown number type encountered: %s";
-static char __pyx_k_V33_BAD_ALLELE_Cannot_interpret[] = "V33_BAD_ALLELE:Cannot interpret allele for v3.3 VCF";
-static char __pyx_k_V33_BAD_REF_Reference_should_be[] = "V33_BAD_REF:Reference should be single-character in v3.3 VCF";
-static char __pyx_k_V40_BAD_ALLELE_Bad_allele_found[] = "V40_BAD_ALLELE:Bad allele found for v4.0 VCF (%s)";
-static char __pyx_k_found_s_values_in_element_s_exp[] = "(found %s values in element %s; expected %s)";
-static char __pyx_k_BADLY_FORMATTED_FORMAT_STRING_Fo[] = "BADLY_FORMATTED_FORMAT_STRING:Formatting error in the format string";
-static char __pyx_k_BAD_CHR_TAG_Error_calculating_ch[] = "BAD_CHR_TAG:Error calculating chr tag for %s";
-static char __pyx_k_BAD_GENOTYPE_Cannot_parse_genoty[] = "BAD_GENOTYPE:Cannot parse genotype (%s)";
-static char __pyx_k_BAD_NUMBER_OF_COLUMNS_Wrong_numb[] = "BAD_NUMBER_OF_COLUMNS:Wrong number of columns found (%s)";
-static char __pyx_k_BAD_NUMBER_OF_PARAMETERS_Found_u[] = "BAD_NUMBER_OF_PARAMETERS:Found unexpected number of parameters (%s)";
-static char __pyx_k_BAD_NUMBER_OF_VALUES_Found_too_m[] = "BAD_NUMBER_OF_VALUES:Found too many of values in sample column (%s)";
-static char __pyx_k_Can_only_handle_v3_3_and_v4_0_VC[] = "Can only handle v3.3 and v4.0 VCF files";
-static char __pyx_k_Don_t_understand_region_string_s[] = "Don't understand region string '%s'";
-static char __pyx_k_ERROR_FLAG_HAS_VALUE_Flag_fields[] = "ERROR_FLAG_HAS_VALUE:Flag fields should not have a value";
-static char __pyx_k_ERROR_FORMAT_NOT_INTEGER_Expecte[] = "ERROR_FORMAT_NOT_INTEGER:Expected integer in formatted field; got %s";
-static char __pyx_k_ERROR_FORMAT_NOT_NUMERICAL_Expec[] = "ERROR_FORMAT_NOT_NUMERICAL:Expected integer or float in formatted field; got %s";
-static char __pyx_k_ERROR_INFO_STRING_Error_while_pa[] = "ERROR_INFO_STRING:Error while parsing info field";
-static char __pyx_k_ERROR_TRAILING_DATA_Numerical_fi[] = "ERROR_TRAILING_DATA:Numerical field ('%s') has semicolon-separated trailing data";
-static char __pyx_k_FORMAT_MISSING_QUOTES_Descriptio[] = "FORMAT_MISSING_QUOTES:Description field in format definition is not surrounded by quotes";
-static char __pyx_k_Genotype_posterior_probabilities[] = "Genotype posterior probabilities";
-static char __pyx_k_HEADING_NOT_SEPARATED_BY_TABS_He[] = "HEADING_NOT_SEPARATED_BY_TABS:Heading line appears separated by spaces, not tabs";
-static char __pyx_k_MISSING_INDEL_ALLELE_REF_BASE_In[] = "MISSING_INDEL_ALLELE_REF_BASE:Indel alleles must begin with single reference base";
-static char __pyx_k_MISSING_REF_Reference_allele_mis[] = "MISSING_REF:Reference allele missing";
-static char __pyx_k_POS_NOT_NUMERICAL_Position_colum[] = "POS_NOT_NUMERICAL:Position column is not numerical";
-static char __pyx_k_Phred_scaled_genotype_likelihood[] = "Phred-scaled genotype likelihoods";
-static char __pyx_k_QUAL_NOT_NUMERICAL_Quality_field[] = "QUAL_NOT_NUMERICAL:Quality field must be numerical, or '.'";
-static char __pyx_k_Required_key_s_not_found_in_data[] = "Required key %s not found in data";
-static char __pyx_k_UNKNOWN_CHAR_IN_REF_Unknown_char[] = "UNKNOWN_CHAR_IN_REF:Unknown character in reference field";
-static char __pyx_k_UNKNOWN_FORMAT_STRING_Unknown_fi[] = "UNKNOWN_FORMAT_STRING:Unknown file format identifier";
-static char __pyx_k_V33_UNMATCHED_DELETION_Deleted_s[] = "V33_UNMATCHED_DELETION:Deleted sequence does not match reference (%s)";
-static char __pyx_k_V40_FORMAT_MUST_HAVE_NAMED_FIELD[] = "V40_FORMAT_MUST_HAVE_NAMED_FIELDS";
-static char __pyx_k_V40_MISSING_ANGLE_BRACKETS_Forma[] = "V40_MISSING_ANGLE_BRACKETS:Format definition is not deliminted by angular brackets";
-static char __pyx_k_ZERO_FOR_NON_FLAG_FIELD_number_s[] = "ZERO_FOR_NON_FLAG_FIELD: number set to 0, but type is not 'FLAG'";
-static char __pyx_k_ZERO_LENGTH_ALLELE_Found_zero_le[] = "ZERO_LENGTH_ALLELE:Found zero-length allele";
-static char __pyx_k_expected_s_for_s_samples_s_got_s[] = "expected %s for %s samples (%s), got %s";
-static char __pyx_k_id_numbertype_number_type_descri[] = "id numbertype number type description missingvalue";
-static char __pyx_k_id_s_expected_s_parameters_got_s[] = "id=%s, expected %s parameters, got %s";
-static char __pyx_k_V40_FORMAT_MUST_HAVE_NAMED_FIELD_2[] = "V40_FORMAT_MUST_HAVE_NAMED_FIELDS:Fields in v4.0 VCF format definition must have named fields";
-static PyObject *__pyx_kp_s_;
-static PyObject *__pyx_kp_b_0;
-static PyObject *__pyx_kp_s_0;
-static PyObject *__pyx_n_s_A;
-static PyObject *__pyx_n_s_ACGTN;
-static PyObject *__pyx_kp_s_ACGTN_2;
-static PyObject *__pyx_n_s_ALT;
-static PyObject *__pyx_n_s_BADLY_FORMATTED_FORMAT_STRING;
-static PyObject *__pyx_kp_s_BADLY_FORMATTED_FORMAT_STRING_Fo;
-static PyObject *__pyx_n_s_BADLY_FORMATTED_HEADING;
-static PyObject *__pyx_kp_s_BADLY_FORMATTED_HEADING_Did_not;
-static PyObject *__pyx_kp_s_BAD_CHR_TAG_Error_calculating_ch;
-static PyObject *__pyx_n_s_BAD_GENOTYPE;
-static PyObject *__pyx_kp_s_BAD_GENOTYPE_Cannot_parse_genoty;
-static PyObject *__pyx_n_s_BAD_NUMBER_OF_COLUMNS;
-static PyObject *__pyx_kp_s_BAD_NUMBER_OF_COLUMNS_Wrong_numb;
-static PyObject *__pyx_n_s_BAD_NUMBER_OF_PARAMETERS;
-static PyObject *__pyx_kp_s_BAD_NUMBER_OF_PARAMETERS_Found_u;
-static PyObject *__pyx_n_s_BAD_NUMBER_OF_VALUES;
-static PyObject *__pyx_kp_s_BAD_NUMBER_OF_VALUES_Found_too_m;
-static PyObject *__pyx_n_s_CHROM;
-static PyObject *__pyx_kp_s_Can_only_handle_v3_3_and_v4_0_VC;
-static PyObject *__pyx_n_s_Character;
-static PyObject *__pyx_kp_s_Conditional_genotype_quality;
-static PyObject *__pyx_n_s_D;
-static PyObject *__pyx_n_s_DP;
-static PyObject *__pyx_kp_s_Description;
-static PyObject *__pyx_n_s_Description_2;
-static PyObject *__pyx_kp_s_Don_t_understand_region_string_s;
-static PyObject *__pyx_n_s_EC;
-static PyObject *__pyx_n_s_ERROR_FLAG_HAS_VALUE;
-static PyObject *__pyx_kp_s_ERROR_FLAG_HAS_VALUE_Flag_fields;
-static PyObject *__pyx_n_s_ERROR_FORMAT_NOT_CHAR;
-static PyObject *__pyx_kp_s_ERROR_FORMAT_NOT_CHAR_Eexpected;
-static PyObject *__pyx_n_s_ERROR_FORMAT_NOT_INTEGER;
-static PyObject *__pyx_kp_s_ERROR_FORMAT_NOT_INTEGER_Expecte;
-static PyObject *__pyx_n_s_ERROR_FORMAT_NOT_NUMERICAL;
-static PyObject *__pyx_kp_s_ERROR_FORMAT_NOT_NUMERICAL_Expec;
-static PyObject *__pyx_n_s_ERROR_INFO_STRING;
-static PyObject *__pyx_kp_s_ERROR_INFO_STRING_Error_while_pa;
-static PyObject *__pyx_n_s_ERROR_TRAILING_DATA;
-static PyObject *__pyx_kp_s_ERROR_TRAILING_DATA_Numerical_fi;
-static PyObject *__pyx_n_s_ERROR_UNKNOWN_KEY;
-static PyObject *__pyx_kp_s_ERROR_UNKNOWN_KEY_Unknown_key_s;
-static PyObject *__pyx_n_s_Error;
-static PyObject *__pyx_kp_s_Expected_alternate_allel_counts;
-static PyObject *__pyx_n_s_FILTER;
-static PyObject *__pyx_n_s_FILTER_NOT_DEFINED;
-static PyObject *__pyx_kp_s_FILTER_NOT_DEFINED_Identifier_s;
-static PyObject *__pyx_n_s_FORMAT;
-static PyObject *__pyx_n_s_FORMAT_MISSING_QUOTES;
-static PyObject *__pyx_kp_s_FORMAT_MISSING_QUOTES_Descriptio;
-static PyObject *__pyx_n_s_FORMAT_NOT_DEFINED;
-static PyObject *__pyx_kp_s_FORMAT_NOT_DEFINED_Identifier_s;
-static PyObject *__pyx_n_s_FT;
-static PyObject *__pyx_n_s_Flag;
-static PyObject *__pyx_n_s_Float;
-static PyObject *__pyx_n_s_G;
-static PyObject *__pyx_n_s_GL;
-static PyObject *__pyx_n_s_GLE;
-static PyObject *__pyx_n_s_GP;
-static PyObject *__pyx_n_s_GQ;
-static PyObject *__pyx_n_s_GT;
-static PyObject *__pyx_n_s_GTdata;
-static PyObject *__pyx_n_s_GTstring;
-static PyObject *__pyx_n_s_Genotype;
-static PyObject *__pyx_kp_s_Genotype_Quality;
-static PyObject *__pyx_kp_s_Genotype_likelihoods;
-static PyObject *__pyx_kp_s_Genotype_posterior_probabilities;
-static PyObject *__pyx_n_s_HEADING_NOT_SEPARATED_BY_TABS;
-static PyObject *__pyx_kp_s_HEADING_NOT_SEPARATED_BY_TABS_He;
-static PyObject *__pyx_n_s_HQ;
-static PyObject *__pyx_kp_s_Haplotype_Quality;
-static PyObject *__pyx_n_s_I;
-static PyObject *__pyx_kp_s_ID;
-static PyObject *__pyx_n_s_ID_2;
-static PyObject *__pyx_n_s_INFO;
-static PyObject *__pyx_n_s_Integer;
-static PyObject *__pyx_kp_s_Invalid_error_string_s;
-static PyObject *__pyx_n_s_KeyError;
-static PyObject *__pyx_n_s_MISSING_INDEL_ALLELE_REF_BASE;
-static PyObject *__pyx_kp_s_MISSING_INDEL_ALLELE_REF_BASE_In;
-static PyObject *__pyx_n_s_MISSING_REF;
-static PyObject *__pyx_kp_s_MISSING_REF_Reference_allele_mis;
-static PyObject *__pyx_n_s_MQ;
-static PyObject *__pyx_n_s_N;
-static PyObject *__pyx_n_s_NT_ALLELES;
-static PyObject *__pyx_n_s_NT_GENOTYPES;
-static PyObject *__pyx_n_s_NT_NR_ALLELES;
-static PyObject *__pyx_n_s_NT_NUMBER;
-static PyObject *__pyx_n_s_NT_PHASED_GENOTYPES;
-static PyObject *__pyx_n_s_NT_UNKNOWN;
-static PyObject *__pyx_n_s_NotImplementedError;
-static PyObject *__pyx_kp_s_Number;
-static PyObject *__pyx_n_s_Number_2;
-static PyObject *__pyx_n_b_PASS;
-static PyObject *__pyx_n_s_PASS;
-static PyObject *__pyx_n_s_PL;
-static PyObject *__pyx_n_s_POS;
-static PyObject *__pyx_n_s_POS_NOT_NUMERICAL;
-static PyObject *__pyx_kp_s_POS_NOT_NUMERICAL_Position_colum;
-static PyObject *__pyx_n_s_POS_NOT_POSITIVE;
-static PyObject *__pyx_kp_s_POS_NOT_POSITIVE_Position_field;
-static PyObject *__pyx_n_s_PQ;
-static PyObject *__pyx_n_s_PS;
-static PyObject *__pyx_kp_s_Phase_set;
-static PyObject *__pyx_kp_s_Phasing_quality;
-static PyObject *__pyx_kp_s_Phred_scaled_genotype_likelihood;
-static PyObject *__pyx_n_s_QUAL;
-static PyObject *__pyx_n_s_QUAL_NOT_NUMERICAL;
-static PyObject *__pyx_kp_s_QUAL_NOT_NUMERICAL_Quality_field;
-static PyObject *__pyx_n_s_REF;
-static PyObject *__pyx_kp_s_RMS_mapping_quality;
-static PyObject *__pyx_kp_s_Read_depth_at_this_position_for;
-static PyObject *__pyx_kp_s_Required_key_s_not_found_in_data;
-static PyObject *__pyx_kp_s_Sample_Genotype_Filter;
-static PyObject *__pyx_n_s_StopIteration;
-static PyObject *__pyx_n_s_String;
-static PyObject *__pyx_n_s_Tabixfile;
-static PyObject *__pyx_kp_s_Type;
-static PyObject *__pyx_n_s_Type_2;
-static PyObject *__pyx_n_s_UNKNOWN_CHAR_IN_REF;
-static PyObject *__pyx_kp_s_UNKNOWN_CHAR_IN_REF_Unknown_char;
-static PyObject *__pyx_n_s_UNKNOWN_FORMAT_STRING;
-static PyObject *__pyx_kp_s_UNKNOWN_FORMAT_STRING_Unknown_fi;
-static PyObject *__pyx_kp_s_Undefined_tag;
-static PyObject *__pyx_kp_s_Unknown_number_type_encountered;
-static PyObject *__pyx_n_s_V33_BAD_ALLELE;
-static PyObject *__pyx_kp_s_V33_BAD_ALLELE_Cannot_interpret;
-static PyObject *__pyx_n_s_V33_BAD_REF;
-static PyObject *__pyx_kp_s_V33_BAD_REF_Reference_should_be;
-static PyObject *__pyx_n_s_V33_UNMATCHED_DELETION;
-static PyObject *__pyx_kp_s_V33_UNMATCHED_DELETION_Deleted_s;
-static PyObject *__pyx_n_s_V40_BAD_ALLELE;
-static PyObject *__pyx_kp_s_V40_BAD_ALLELE_Bad_allele_found;
-static PyObject *__pyx_n_s_V40_FORMAT_MUST_HAVE_NAMED_FIELD;
-static PyObject *__pyx_kp_s_V40_FORMAT_MUST_HAVE_NAMED_FIELD_2;
-static PyObject *__pyx_n_s_V40_MISSING_ANGLE_BRACKETS;
-static PyObject *__pyx_kp_s_V40_MISSING_ANGLE_BRACKETS_Forma;
-static PyObject *__pyx_n_s_VCF;
-static PyObject *__pyx_n_s_VCFRecord;
-static PyObject *__pyx_n_s_VCF___init;
-static PyObject *__pyx_n_s_VCF__add_definition;
-static PyObject *__pyx_n_s_VCF__parse;
-static PyObject *__pyx_n_s_VCF__parse_header;
-static PyObject *__pyx_n_s_VCF_compare_calls;
-static PyObject *__pyx_n_s_VCF_connect;
-static PyObject *__pyx_n_s_VCF_convertGT;
-static PyObject *__pyx_n_s_VCF_convertGTback;
-static PyObject *__pyx_n_s_VCF_enter_default_format;
-static PyObject *__pyx_n_s_VCF_error;
-static PyObject *__pyx_n_s_VCF_fetch;
-static PyObject *__pyx_n_s_VCF_format_format;
-static PyObject *__pyx_n_s_VCF_format_formatdata;
-static PyObject *__pyx_n_s_VCF_get_expected;
-static PyObject *__pyx_n_s_VCF_getfilter;
-static PyObject *__pyx_n_s_VCF_getformat;
-static PyObject *__pyx_n_s_VCF_getheader;
-static PyObject *__pyx_n_s_VCF_getinfo;
-static PyObject *__pyx_n_s_VCF_getsamples;
-static PyObject *__pyx_n_s_VCF_ignoreerror;
-static PyObject *__pyx_n_s_VCF_inregion;
-static PyObject *__pyx_n_s_VCF_parse;
-static PyObject *__pyx_n_s_VCF_parse_data;
-static PyObject *__pyx_n_s_VCF_parse_format;
-static PyObject *__pyx_n_s_VCF_parse_formatdata;
-static PyObject *__pyx_n_s_VCF_parse_header;
-static PyObject *__pyx_n_s_VCF_parse_heading;
-static PyObject *__pyx_n_s_VCF_setfilter;
-static PyObject *__pyx_n_s_VCF_setformat;
-static PyObject *__pyx_n_s_VCF_setheader;
-static PyObject *__pyx_n_s_VCF_setinfo;
-static PyObject *__pyx_n_s_VCF_setreference;
-static PyObject *__pyx_n_s_VCF_setregions;
-static PyObject *__pyx_n_s_VCF_setsamples;
-static PyObject *__pyx_n_s_VCF_setversion;
-static PyObject *__pyx_n_s_VCF_validate;
-static PyObject *__pyx_n_s_VCF_warnerror;
-static PyObject *__pyx_n_s_VCF_write;
-static PyObject *__pyx_n_s_VCF_write_data;
-static PyObject *__pyx_n_s_VCF_write_header;
-static PyObject *__pyx_n_s_VCF_write_heading;
-static PyObject *__pyx_n_s_VCF_writeheader;
-static PyObject *__pyx_kp_s_VCFv3_3;
-static PyObject *__pyx_kp_s_VCFv4_0;
-static PyObject *__pyx_kp_s_VCFv4_1;
-static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_n_s_WRONG_REF;
-static PyObject *__pyx_kp_s_WRONG_REF_Wrong_reference_s;
-static PyObject *__pyx_n_s_Warning;
-static PyObject *__pyx_n_s_ZERO_FOR_NON_FLAG_FIELD;
-static PyObject *__pyx_kp_s_ZERO_FOR_NON_FLAG_FIELD_number_s;
-static PyObject *__pyx_n_s_ZERO_LENGTH_ALLELE;
-static PyObject *__pyx_kp_s_ZERO_LENGTH_ALLELE_Found_zero_le;
-static PyObject *__pyx_kp_s__10;
-static PyObject *__pyx_kp_s__13;
-static PyObject *__pyx_kp_s__2;
-static PyObject *__pyx_kp_s__21;
-static PyObject *__pyx_kp_s__23;
-static PyObject *__pyx_kp_s__29;
-static PyObject *__pyx_kp_s__4;
-static PyObject *__pyx_kp_s__46;
-static PyObject *__pyx_kp_s__51;
-static PyObject *__pyx_kp_s__55;
-static PyObject *__pyx_kp_s__6;
-static PyObject *__pyx_kp_s__60;
-static PyObject *__pyx_kp_s__61;
-static PyObject *__pyx_kp_b__8;
-static PyObject *__pyx_kp_s__8;
-static PyObject *__pyx_kp_s__91;
-static PyObject *__pyx_n_s_a;
-static PyObject *__pyx_n_s_add;
-static PyObject *__pyx_n_s_add_definition;
-static PyObject *__pyx_n_s_addn;
-static PyObject *__pyx_n_s_addns;
-static PyObject *__pyx_n_s_all;
-static PyObject *__pyx_n_s_allele;
-static PyObject *__pyx_n_s_alleleRegEx;
-static PyObject *__pyx_kp_s_alleles;
-static PyObject *__pyx_n_s_alt;
-static PyObject *__pyx_n_s_alt1;
-static PyObject *__pyx_n_s_alt2;
-static PyObject *__pyx_n_s_append;
-static PyObject *__pyx_n_s_args;
-static PyObject *__pyx_n_s_ascii;
-static PyObject *__pyx_n_s_bisect;
-static PyObject *__pyx_n_s_blurp;
-static PyObject *__pyx_n_s_c;
-static PyObject *__pyx_n_s_chrom;
-static PyObject *__pyx_n_s_close;
-static PyObject *__pyx_n_s_collections;
-static PyObject *__pyx_n_s_cols;
-static PyObject *__pyx_n_s_compare_calls;
-static PyObject *__pyx_n_s_compile;
-static PyObject *__pyx_n_s_connect;
-static PyObject *__pyx_n_s_convertGT;
-static PyObject *__pyx_n_s_convertGTback;
-static PyObject *__pyx_n_s_copy;
-static PyObject *__pyx_n_s_copy_2;
-static PyObject *__pyx_n_s_d;
-static PyObject *__pyx_n_s_data;
-static PyObject *__pyx_n_s_datagenerator;
-static PyObject *__pyx_n_s_deepcopy;
-static PyObject *__pyx_n_s_defaultdict;
-static PyObject *__pyx_kp_s_deletion_is_s_reference_is_s;
-static PyObject *__pyx_n_s_descr;
-static PyObject *__pyx_n_s_description;
-static PyObject *__pyx_n_s_dict;
-static PyObject *__pyx_n_s_dict_2;
-static PyObject *__pyx_n_s_doc;
-static PyObject *__pyx_n_s_elts;
-static PyObject *__pyx_n_s_encoding;
-static PyObject *__pyx_n_s_end;
-static PyObject *__pyx_n_s_endswith;
-static PyObject *__pyx_n_s_enter_default_format;
-static PyObject *__pyx_n_s_enumerate;
-static PyObject *__pyx_n_s_err;
-static PyObject *__pyx_n_s_error;
-static PyObject *__pyx_n_s_errorlabel;
-static PyObject *__pyx_n_s_errors;
-static PyObject *__pyx_n_s_errorstring;
-static PyObject *__pyx_n_s_errwarn;
-static PyObject *__pyx_n_s_expected;
-static PyObject *__pyx_kp_s_expected_s_for_s_samples_s_got_s;
-static PyObject *__pyx_n_s_f;
-static PyObject *__pyx_n_s_fa;
-static PyObject *__pyx_n_s_faref;
-static PyObject *__pyx_n_s_faref_leftflank;
-static PyObject *__pyx_n_s_fetch;
-static PyObject *__pyx_n_s_fileformat;
-static PyObject *__pyx_kp_s_fileformat_VCFv_s_s;
-static PyObject *__pyx_n_s_filename;
-static PyObject *__pyx_n_s_filter;
-static PyObject *__pyx_n_s_filter_2;
-static PyObject *__pyx_n_s_find;
-static PyObject *__pyx_n_s_first;
-static PyObject *__pyx_n_s_fmt;
-static PyObject *__pyx_n_s_format;
-static PyObject *__pyx_n_s_format_2;
-static PyObject *__pyx_n_s_format_format;
-static PyObject *__pyx_n_s_format_formatdata;
-static PyObject *__pyx_n_s_formatdict;
-static PyObject *__pyx_kp_s_found_s_expected_s;
-static PyObject *__pyx_kp_s_found_s_values_in_element_s_exp;
-static PyObject *__pyx_kp_s_genotypes;
-static PyObject *__pyx_n_s_get;
-static PyObject *__pyx_n_s_get_expected;
-static PyObject *__pyx_n_s_get_sequence;
-static PyObject *__pyx_n_s_getfilter;
-static PyObject *__pyx_n_s_getformat;
-static PyObject *__pyx_n_s_getheader;
-static PyObject *__pyx_n_s_getinfo;
-static PyObject *__pyx_n_s_getsamples;
-static PyObject *__pyx_n_s_gts;
-static PyObject *__pyx_n_s_gtsRegEx;
-static PyObject *__pyx_n_s_have_deletions;
-static PyObject *__pyx_n_s_header;
-static PyObject *__pyx_n_s_header_2;
-static PyObject *__pyx_n_s_headings;
-static PyObject *__pyx_kp_s_home_andreas_devel_pysam_pysam;
-static PyObject *__pyx_n_s_i;
-static PyObject *__pyx_n_s_id;
-static PyObject *__pyx_kp_s_id_numbertype_number_type_descri;
-static PyObject *__pyx_kp_s_id_s_expected_s_parameters_got_s;
-static PyObject *__pyx_n_s_idx;
-static PyObject *__pyx_n_s_ielts;
-static PyObject *__pyx_n_s_ignored_errors;
-static PyObject *__pyx_n_s_ignoreerror;
-static PyObject *__pyx_n_s_import;
-static PyObject *__pyx_kp_s_in_line_s_s_s_s_s;
-static PyObject *__pyx_n_s_info;
-static PyObject *__pyx_n_s_info_2;
-static PyObject *__pyx_n_s_init;
-static PyObject *__pyx_n_s_inregion;
-static PyObject *__pyx_n_s_itemgetter;
-static PyObject *__pyx_n_s_itervalues;
-static PyObject *__pyx_n_s_join;
-static PyObject *__pyx_n_s_k;
-static PyObject *__pyx_n_s_key;
-static PyObject *__pyx_n_s_keys;
-static PyObject *__pyx_n_s_l;
-static PyObject *__pyx_n_s_label;
-static PyObject *__pyx_n_s_last;
-static PyObject *__pyx_n_s_last_line;
-static PyObject *__pyx_n_s_left;
-static PyObject *__pyx_n_s_leftalign;
-static PyObject *__pyx_n_s_leftalign_2;
-static PyObject *__pyx_n_s_line;
-static PyObject *__pyx_n_s_line_2;
-static PyObject *__pyx_n_s_lineno;
-static PyObject *__pyx_n_s_lineparse;
-static PyObject *__pyx_n_s_lines;
-static PyObject *__pyx_n_s_lines_2;
-static PyObject *__pyx_n_s_longest;
-static PyObject *__pyx_n_s_main;
-static PyObject *__pyx_n_s_map;
-static PyObject *__pyx_n_s_match;
-static PyObject *__pyx_n_s_metaclass;
-static PyObject *__pyx_n_s_min;
-static PyObject *__pyx_n_s_missing;
-static PyObject *__pyx_n_s_missingvalue;
-static PyObject *__pyx_n_s_module;
-static PyObject *__pyx_n_s_movable;
-static PyObject *__pyx_n_s_n;
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- *         self._samples = headings[9:]             # <<<<<<<<<<<<<<
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- *         # dictionary of keys, and list of values
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- *                 if len(a) == 1: a = a + ref[1:]                       # SNP; add trailing reference
- *                 elif a.startswith('I'): a = ref[0] + a[1:] + ref[1:]  # insertion just beyond pos; add first and trailing reference             # <<<<<<<<<<<<<<
- *                 elif a.startswith('D'): # allow D<seq> and D<num>
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- *                 if len(a) == 1: a = a + ref[1:]                       # SNP; add trailing reference
- *                 elif a.startswith('I'): a = ref[0] + a[1:] + ref[1:]  # insertion just beyond pos; add first and trailing reference
- *                 elif a.startswith('D'): # allow D<seq> and D<num>             # <<<<<<<<<<<<<<
- *                     have_deletions = True
- *                     try:
- */
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- *                     have_deletions = True
- *                     try:
- *                         l = int(a[1:])          # throws ValueError if sequence             # <<<<<<<<<<<<<<
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-  __pyx_slice__76 = PySlice_New(__pyx_int_1, Py_None, Py_None); if (unlikely(!__pyx_slice__76)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 751; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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- *                         s = a[1:]             # <<<<<<<<<<<<<<
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- *                 if not movable:
- *                     break
- *                 ref = ref[:-1]             # <<<<<<<<<<<<<<
- *                 alt = [allele[:-1] for allele in alt]
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- */
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-  /* "pysam/cvcf.pyx":821
- *                     break
- *                 ref = ref[:-1]
- *                 alt = [allele[:-1] for allele in alt]             # <<<<<<<<<<<<<<
- *                 if min([len(allele) for allele in alt]) == 0 or len(ref) == 0:
- *                     ref = faref_leftflank[pos-left-1] + ref
- */
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-  __Pyx_GIVEREF(__pyx_slice__79);
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- *         # parse sample columns
- *         samples = []
- *         for sample in cols[9:]:             # <<<<<<<<<<<<<<
- *             dict = {}
- *             values = sample.split(':')
- */
-  __pyx_slice__80 = PySlice_New(__pyx_int_9, Py_None, Py_None); if (unlikely(!__pyx_slice__80)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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- *         for sample in cols[9:]:
- *             dict = {}
- *             values = sample.split(':')             # <<<<<<<<<<<<<<
- *             if len(values) > len(format):
- *                 self.error(line,self.BAD_NUMBER_OF_VALUES,"(found %s values in element %s; expected %s)" % (len(values),sample,len(format)))
- */
-  __pyx_tuple__81 = PyTuple_Pack(1, __pyx_kp_s__4); if (unlikely(!__pyx_tuple__81)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "pysam/cvcf.pyx":905
- *             line = ctabix._force_str(line, self.encoding)
- *             self._lineno += 1
- *             if line.startswith('##'):             # <<<<<<<<<<<<<<
- *                 self.parse_header(line.strip())
- *             elif line.startswith('#'):
- */
-  __pyx_tuple__82 = PyTuple_Pack(1, __pyx_kp_s__46); if (unlikely(!__pyx_tuple__82)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_GIVEREF(__pyx_tuple__82);
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-  /* "pysam/cvcf.pyx":907
- *             if line.startswith('##'):
- *                 self.parse_header(line.strip())
- *             elif line.startswith('#'):             # <<<<<<<<<<<<<<
- *                 self.parse_heading(line.strip())
- *                 self.enter_default_format()
- */
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-  __Pyx_GIVEREF(__pyx_tuple__83);
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- *     def _parse(self, line, stream):
- *         # deal with files with header only
- *         if line.startswith("##"): return             # <<<<<<<<<<<<<<
- *         if len(line.strip()) > 0:
- *             d = self.parse_data( line.strip() )
- */
-  __pyx_tuple__84 = PyTuple_Pack(1, __pyx_kp_s__46); if (unlikely(!__pyx_tuple__84)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 916; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_GIVEREF(__pyx_tuple__84);
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- * 
- *     def setversion(self, version):
- *         if version != 33 and version != 40: raise ValueError("Can only handle v3.3 and v4.0 VCF files")             # <<<<<<<<<<<<<<
- *         self._version = version
- * 
- */
-  __pyx_tuple__85 = PyTuple_Pack(1, __pyx_kp_s_Can_only_handle_v3_3_and_v4_0_VC); if (unlikely(!__pyx_tuple__85)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_GIVEREF(__pyx_tuple__85);
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- *         # only when the reference bases are not Ns
- *         while len(ref1)>0 and len(alt1)>0 and ref1[-1] == alt1[-1]:
- *             ref1 = ref1[:-1]             # <<<<<<<<<<<<<<
- *             alt1 = alt1[:-1]
- *         while len(ref2)>0 and len(alt2)>0 and ref2[-1] == alt2[-1]:
- */
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- *         while len(ref1)>0 and len(alt1)>0 and ref1[-1] == alt1[-1]:
- *             ref1 = ref1[:-1]
- *             alt1 = alt1[:-1]             # <<<<<<<<<<<<<<
- *         while len(ref2)>0 and len(alt2)>0 and ref2[-1] == alt2[-1]:
- *             ref2 = ref2[:-1]
- */
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- *             alt1 = alt1[:-1]
- *         while len(ref2)>0 and len(alt2)>0 and ref2[-1] == alt2[-1]:
- *             ref2 = ref2[:-1]             # <<<<<<<<<<<<<<
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- *         # now, the alternative alleles must be identical
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- *         while len(ref2)>0 and len(alt2)>0 and ref2[-1] == alt2[-1]:
- *             ref2 = ref2[:-1]
- *             alt2 = alt2[:-1]             # <<<<<<<<<<<<<<
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- *         '''
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- *         raise NotImplementedError("needs to be checked")             # <<<<<<<<<<<<<<
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- *         chrom, pos = record.chrom, record.pos
- */
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- * import pysam
- * 
- * gtsRegEx = re.compile("[|/\\\\]")             # <<<<<<<<<<<<<<
- * alleleRegEx = re.compile('^[ACGTN]+$')
- * 
- */
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-  __Pyx_GOTREF(__pyx_tuple__92);
-  __Pyx_GIVEREF(__pyx_tuple__92);
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- * 
- * gtsRegEx = re.compile("[|/\\\\]")
- * alleleRegEx = re.compile('^[ACGTN]+$')             # <<<<<<<<<<<<<<
- * 
- * # Utility function.  Uses 0-based coordinates
- */
-  __pyx_tuple__93 = PyTuple_Pack(1, __pyx_kp_s_ACGTN_2); if (unlikely(!__pyx_tuple__93)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_GIVEREF(__pyx_tuple__93);
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- * 
- * # Utility function.  Uses 0-based coordinates
- * def get_sequence(chrom, start, end, fa):             # <<<<<<<<<<<<<<
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- *     if end<=start: return ""
- */
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-  __Pyx_GIVEREF(__pyx_tuple__94);
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-
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- * 
- * # Utility function.  Parses a region string
- * def parse_regions( string ):             # <<<<<<<<<<<<<<
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- *     for r in string.split(','):
- */
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-
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- * 
- * 
- * FORMAT = namedtuple('FORMAT','id numbertype number type description missingvalue')             # <<<<<<<<<<<<<<
- * 
- * ###########################################################################################################
- */
-  __pyx_tuple__98 = PyTuple_Pack(2, __pyx_n_s_FORMAT, __pyx_kp_s_id_numbertype_number_type_descri); if (unlikely(!__pyx_tuple__98)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_tuple__98);
-  __Pyx_GIVEREF(__pyx_tuple__98);
-
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- *     _lines = None
- * 
- *     def __init__(self, _copy=None, reference=None, regions=None,             # <<<<<<<<<<<<<<
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-  __Pyx_GOTREF(__pyx_tuple__99);
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-  __pyx_tuple__101 = PyTuple_Pack(5, ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_False)); if (unlikely(!__pyx_tuple__101)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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- * 
- *     def error(self,line,error,opt=None):             # <<<<<<<<<<<<<<
- *         if error in self._ignored_errors: return
- *         errorlabel, errorstring = self._errors[error].split(':')
- */
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- *         raise ValueError(errorstring)
- * 
- *     def parse_format(self,line,format,filter=False):             # <<<<<<<<<<<<<<
- *         if self._version == 40:
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-    }
-    return result;
-}
-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (result) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-#endif
-    result = (*call)(func, arg, kw);
-#if PY_VERSION_HEX >= 0x02060000
-    Py_LeaveRecursiveCall();
-#endif
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return NULL;
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-#else
-    PyErr_GetExcInfo(type, value, tb);
-#endif
-}
-static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(type, value, tb);
-#endif
-}
-
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (unlikely(tstate->curexc_type))
-#else
-    if (unlikely(PyErr_Occurred()))
-#endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
-    }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
-#endif
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_Restore(type, value, tb);
-#endif
-}
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    #if PY_VERSION_HEX < 0x02050000
-    if (PyClass_Check(type)) {
-    #else
-    if (PyType_Check(type)) {
-    #endif
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyInstance_Check(type)) {
-            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-            Py_INCREF(type);
-        } else {
-            type = 0;
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception must be an old-style class or instance");
-            goto raise_error;
-        }
-        #else
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-        #endif
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else /* Python 3+ */
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-#endif
-}
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
-#endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
-#if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
-            return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
-#endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        #if CYTHON_PEP393_ENABLED
-        if (unlikely(PyUnicode_READY(s1) < 0) || unlikely(PyUnicode_READY(s2) < 0))
-            return -1;
-        #endif
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
-        }
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, length * kind);
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_NE);
-#endif
-}
-
-static double __Pyx__PyObject_AsDouble(PyObject* obj) {
-    PyObject* float_value;
-#if CYTHON_COMPILING_IN_PYPY
-    float_value = PyNumber_Float(obj);
-#else
-    PyNumberMethods *nb = Py_TYPE(obj)->tp_as_number;
-    if (likely(nb) && likely(nb->nb_float)) {
-        float_value = nb->nb_float(obj);
-        if (likely(float_value) && unlikely(!PyFloat_Check(float_value))) {
-            PyErr_Format(PyExc_TypeError,
-                "__float__ returned non-float (type %.200s)",
-                Py_TYPE(float_value)->tp_name);
-            Py_DECREF(float_value);
-            goto bad;
-        }
-    } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
-#if PY_MAJOR_VERSION >= 3
-        float_value = PyFloat_FromString(obj);
-#else
-        float_value = PyFloat_FromString(obj, 0);
-#endif
-    } else {
-        PyObject* args = PyTuple_New(1);
-        if (unlikely(!args)) goto bad;
-        PyTuple_SET_ITEM(args, 0, obj);
-        float_value = PyObject_Call((PyObject*)&PyFloat_Type, args, 0);
-        PyTuple_SET_ITEM(args, 0, 0);
-        Py_DECREF(args);
-    }
-#endif
-    if (likely(float_value)) {
-        double value = PyFloat_AS_DOUBLE(float_value);
-        Py_DECREF(float_value);
-        return value;
-    }
-bad:
-    return (double)-1;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
-    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
-}
-
-#if !CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyBytes_Join(PyObject* sep, PyObject* values) {
-    return PyObject_CallMethodObjArgs(sep, __pyx_n_s_join, values, NULL)
-}
-#endif
-
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
-        PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop,
-        PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
-        int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyMappingMethods* mp;
-#if PY_MAJOR_VERSION < 3
-    PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
-    if (likely(ms && ms->sq_slice)) {
-        if (!has_cstart) {
-            if (_py_start && (*_py_start != Py_None)) {
-                cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
-                if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
-            } else
-                cstart = 0;
-        }
-        if (!has_cstop) {
-            if (_py_stop && (*_py_stop != Py_None)) {
-                cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
-                if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
-            } else
-                cstop = PY_SSIZE_T_MAX;
-        }
-        if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
-            Py_ssize_t l = ms->sq_length(obj);
-            if (likely(l >= 0)) {
-                if (cstop < 0) {
-                    cstop += l;
-                    if (cstop < 0) cstop = 0;
-                }
-                if (cstart < 0) {
-                    cstart += l;
-                    if (cstart < 0) cstart = 0;
-                }
-            } else {
-                if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                    PyErr_Clear();
-                else
-                    goto bad;
-            }
-        }
-        return ms->sq_slice(obj, cstart, cstop);
-    }
-#endif
-    mp = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(mp && mp->mp_subscript))
-#endif
-    {
-        PyObject* result;
-        PyObject *py_slice, *py_start, *py_stop;
-        if (_py_slice) {
-            py_slice = *_py_slice;
-        } else {
-            PyObject* owned_start = NULL;
-            PyObject* owned_stop = NULL;
-            if (_py_start) {
-                py_start = *_py_start;
-            } else {
-                if (has_cstart) {
-                    owned_start = py_start = PyInt_FromSsize_t(cstart);
-                    if (unlikely(!py_start)) goto bad;
-                } else
-                    py_start = Py_None;
-            }
-            if (_py_stop) {
-                py_stop = *_py_stop;
-            } else {
-                if (has_cstop) {
-                    owned_stop = py_stop = PyInt_FromSsize_t(cstop);
-                    if (unlikely(!py_stop)) {
-                        Py_XDECREF(owned_start);
-                        goto bad;
-                    }
-                } else
-                    py_stop = Py_None;
-            }
-            py_slice = PySlice_New(py_start, py_stop, Py_None);
-            Py_XDECREF(owned_start);
-            Py_XDECREF(owned_stop);
-            if (unlikely(!py_slice)) goto bad;
-        }
-#if CYTHON_COMPILING_IN_CPYTHON
-        result = mp->mp_subscript(obj, py_slice);
-#else
-        result = PyObject_GetItem(obj, py_slice);
-#endif
-        if (!_py_slice) {
-            Py_DECREF(py_slice);
-        }
-        return result;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name);
-bad:
-    return NULL;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#endif
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-static CYTHON_INLINE Py_ssize_t __Pyx_div_Py_ssize_t(Py_ssize_t a, Py_ssize_t b) {
-    Py_ssize_t q = a / b;
-    Py_ssize_t r = a - q*b;
-    q -= ((r != 0) & ((r ^ b) < 0));
-    return q;
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE void __Pyx_crop_slice(Py_ssize_t* _start, Py_ssize_t* _stop, Py_ssize_t* _length) {
-    Py_ssize_t start = *_start, stop = *_stop, length = *_length;
-    if (start < 0) {
-        start += length;
-        if (start < 0)
-            start = 0;
-    }
-    if (stop < 0)
-        stop += length;
-    else if (stop > length)
-        stop = length;
-    *_length = stop - start;
-    *_start = start;
-    *_stop = stop;
-}
-static CYTHON_INLINE void __Pyx_copy_object_array(PyObject** CYTHON_RESTRICT src, PyObject** CYTHON_RESTRICT dest, Py_ssize_t length) {
-    PyObject *v;
-    Py_ssize_t i;
-    for (i = 0; i < length; i++) {
-        v = dest[i] = src[i];
-        Py_INCREF(v);
-    }
-}
-static CYTHON_INLINE PyObject* __Pyx_PyList_GetSlice(
-            PyObject* src, Py_ssize_t start, Py_ssize_t stop) {
-    PyObject* dest;
-    Py_ssize_t length = PyList_GET_SIZE(src);
-    __Pyx_crop_slice(&start, &stop, &length);
-    if (unlikely(length <= 0))
-        return PyList_New(0);
-    dest = PyList_New(length);
-    if (unlikely(!dest))
-        return NULL;
-    __Pyx_copy_object_array(
-        ((PyListObject*)src)->ob_item + start,
-        ((PyListObject*)dest)->ob_item,
-        length);
-    return dest;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyTuple_GetSlice(
-            PyObject* src, Py_ssize_t start, Py_ssize_t stop) {
-    PyObject* dest;
-    Py_ssize_t length = PyTuple_GET_SIZE(src);
-    __Pyx_crop_slice(&start, &stop, &length);
-    if (unlikely(length <= 0))
-        return PyTuple_New(0);
-    dest = PyTuple_New(length);
-    if (unlikely(!dest))
-        return NULL;
-    __Pyx_copy_object_array(
-        ((PyTupleObject*)src)->ob_item + start,
-        ((PyTupleObject*)dest)->ob_item,
-        length);
-    return dest;
-}
-#endif
-
-static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
-    if (likely(PyList_CheckExact(L))) {
-        if (unlikely(__Pyx_PyList_Append(L, x) < 0)) return -1;
-    } else {
-        PyObject* retval = __Pyx_PyObject_CallMethod1(L, __pyx_n_s_append, x);
-        if (unlikely(!retval))
-            return -1;
-        Py_DECREF(retval);
-    }
-    return 0;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-}
-
-static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
-    if (t == Py_None) {
-      __Pyx_RaiseNoneNotIterableError();
-    } else if (PyTuple_GET_SIZE(t) < index) {
-      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
-    } else {
-      __Pyx_RaiseTooManyValuesError(index);
-    }
-}
-
-static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2,
-                                             int is_tuple, int has_known_size, int decref_tuple) {
-    Py_ssize_t index;
-    PyObject *value1 = NULL, *value2 = NULL, *iter = NULL;
-    if (!is_tuple && unlikely(!PyTuple_Check(tuple))) {
-        iternextfunc iternext;
-        iter = PyObject_GetIter(tuple);
-        if (unlikely(!iter)) goto bad;
-        if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; }
-        iternext = Py_TYPE(iter)->tp_iternext;
-        value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; }
-        value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; }
-        if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad;
-        Py_DECREF(iter);
-    } else {
-        if (!has_known_size && unlikely(PyTuple_GET_SIZE(tuple) != 2)) {
-            __Pyx_UnpackTupleError(tuple, 2);
-            goto bad;
-        }
-#if CYTHON_COMPILING_IN_PYPY
-        value1 = PySequence_ITEM(tuple, 0);
-        if (unlikely(!value1)) goto bad;
-        value2 = PySequence_ITEM(tuple, 1);
-        if (unlikely(!value2)) goto bad;
-#else
-        value1 = PyTuple_GET_ITEM(tuple, 0);
-        value2 = PyTuple_GET_ITEM(tuple, 1);
-        Py_INCREF(value1);
-        Py_INCREF(value2);
-#endif
-        if (decref_tuple) { Py_DECREF(tuple); }
-    }
-    *pvalue1 = value1;
-    *pvalue2 = value2;
-    return 0;
-unpacking_failed:
-    if (!has_known_size && __Pyx_IterFinish() == 0)
-        __Pyx_RaiseNeedMoreValuesError(index);
-bad:
-    Py_XDECREF(iter);
-    Py_XDECREF(value1);
-    Py_XDECREF(value2);
-    if (decref_tuple) { Py_XDECREF(tuple); }
-    return -1;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name,
-                                                   Py_ssize_t* p_orig_length, int* p_source_is_dict) {
-    is_dict = is_dict || likely(PyDict_CheckExact(iterable));
-    *p_source_is_dict = is_dict;
-#if !CYTHON_COMPILING_IN_PYPY
-    if (is_dict) {
-        *p_orig_length = PyDict_Size(iterable);
-        Py_INCREF(iterable);
-        return iterable;
-    }
-#endif
-    *p_orig_length = 0;
-    if (method_name) {
-        PyObject* iter;
-        iterable = __Pyx_PyObject_CallMethod0(iterable, method_name);
-        if (!iterable)
-            return NULL;
-#if !CYTHON_COMPILING_IN_PYPY
-        if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable))
-            return iterable;
-#endif
-        iter = PyObject_GetIter(iterable);
-        Py_DECREF(iterable);
-        return iter;
-    }
-    return PyObject_GetIter(iterable);
-}
-static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* iter_obj, Py_ssize_t orig_length, Py_ssize_t* ppos,
-                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) {
-    PyObject* next_item;
-#if !CYTHON_COMPILING_IN_PYPY
-    if (source_is_dict) {
-        PyObject *key, *value;
-        if (unlikely(orig_length != PyDict_Size(iter_obj))) {
-            PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration");
-            return -1;
-        }
-        if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) {
-            return 0;
-        }
-        if (pitem) {
-            PyObject* tuple = PyTuple_New(2);
-            if (unlikely(!tuple)) {
-                return -1;
-            }
-            Py_INCREF(key);
-            Py_INCREF(value);
-            PyTuple_SET_ITEM(tuple, 0, key);
-            PyTuple_SET_ITEM(tuple, 1, value);
-            *pitem = tuple;
-        } else {
-            if (pkey) {
-                Py_INCREF(key);
-                *pkey = key;
-            }
-            if (pvalue) {
-                Py_INCREF(value);
-                *pvalue = value;
-            }
-        }
-        return 1;
-    } else if (PyTuple_CheckExact(iter_obj)) {
-        Py_ssize_t pos = *ppos;
-        if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0;
-        *ppos = pos + 1;
-        next_item = PyTuple_GET_ITEM(iter_obj, pos);
-        Py_INCREF(next_item);
-    } else if (PyList_CheckExact(iter_obj)) {
-        Py_ssize_t pos = *ppos;
-        if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0;
-        *ppos = pos + 1;
-        next_item = PyList_GET_ITEM(iter_obj, pos);
-        Py_INCREF(next_item);
-    } else
-#endif
-    {
-        next_item = PyIter_Next(iter_obj);
-        if (unlikely(!next_item)) {
-            return __Pyx_IterFinish();
-        }
-    }
-    if (pitem) {
-        *pitem = next_item;
-    } else if (pkey && pvalue) {
-        if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1))
-            return -1;
-    } else if (pkey) {
-        *pkey = next_item;
-    } else {
-        *pvalue = next_item;
-    }
-    return 1;
-}
-
-static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
-    int r;
-    if (!j) return -1;
-    r = PyObject_SetItem(o, j, v);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v,
-                                               int is_list, int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
-        if ((!boundscheck) || likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
-            PyObject* old = PyList_GET_ITEM(o, n);
-            Py_INCREF(v);
-            PyList_SET_ITEM(o, n, v);
-            Py_DECREF(old);
-            return 1;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_ass_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return -1;
-                }
-            }
-            return m->sq_ass_item(o, i, v);
-        }
-    }
-#else
-#if CYTHON_COMPILING_IN_PYPY
-    if (is_list || (PySequence_Check(o) && !PyDict_Check(o))) {
-#else
-    if (is_list || PySequence_Check(o)) {
-#endif
-        return PySequence_SetItem(o, i, v);
-    }
-#endif
-    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
-}
-
-static void __Pyx_call_next_tp_dealloc(PyObject* obj, destructor current_tp_dealloc) {
-    PyTypeObject* type = Py_TYPE(obj);
-    while (type && type->tp_dealloc != current_tp_dealloc)
-        type = type->tp_base;
-    while (type && type->tp_dealloc == current_tp_dealloc)
-        type = type->tp_base;
-    if (type)
-        type->tp_dealloc(obj);
-}
-
-static int __Pyx_call_next_tp_traverse(PyObject* obj, visitproc v, void *a, traverseproc current_tp_traverse) {
-    PyTypeObject* type = Py_TYPE(obj);
-    while (type && type->tp_traverse != current_tp_traverse)
-        type = type->tp_base;
-    while (type && type->tp_traverse == current_tp_traverse)
-        type = type->tp_base;
-    if (type && type->tp_traverse)
-        return type->tp_traverse(obj, v, a);
-    return 0;
-}
-
-static void __Pyx_call_next_tp_clear(PyObject* obj, inquiry current_tp_clear) {
-    PyTypeObject* type = Py_TYPE(obj);
-    while (type && type->tp_clear != current_tp_clear)
-        type = type->tp_base;
-    while (type && type->tp_clear == current_tp_clear)
-        type = type->tp_base;
-    if (type && type->tp_clear)
-        type->tp_clear(obj);
-}
-
-static void* __Pyx_GetVtable(PyObject *dict) {
-    void* ptr;
-    PyObject *ob = PyObject_GetItem(dict, __pyx_n_s_pyx_vtable);
-    if (!ob)
-        goto bad;
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    ptr = PyCapsule_GetPointer(ob, 0);
-#else
-    ptr = PyCObject_AsVoidPtr(ob);
-#endif
-    if (!ptr && !PyErr_Occurred())
-        PyErr_SetString(PyExc_RuntimeError, "invalid vtable found for imported type");
-    Py_DECREF(ob);
-    return ptr;
-bad:
-    Py_XDECREF(ob);
-    return NULL;
-}
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
-    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
-    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError,
-        #if PY_MAJOR_VERSION < 3
-            "cannot import name %.230s", PyString_AS_STRING(name));
-        #else
-            "cannot import name %S", name);
-        #endif
-    }
-    return value;
-}
-
-static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
-    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
-    for (i=0; i < nbases; i++) {
-        PyTypeObject *tmptype;
-        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
-        tmptype = Py_TYPE(tmp);
-#if PY_MAJOR_VERSION < 3
-        if (tmptype == &PyClass_Type)
-            continue;
-#endif
-        if (!metaclass) {
-            metaclass = tmptype;
-            continue;
-        }
-        if (PyType_IsSubtype(metaclass, tmptype))
-            continue;
-        if (PyType_IsSubtype(tmptype, metaclass)) {
-            metaclass = tmptype;
-            continue;
-        }
-        PyErr_SetString(PyExc_TypeError,
-                        "metaclass conflict: "
-                        "the metaclass of a derived class "
-                        "must be a (non-strict) subclass "
-                        "of the metaclasses of all its bases");
-        return NULL;
-    }
-    if (!metaclass) {
-#if PY_MAJOR_VERSION < 3
-        metaclass = &PyClass_Type;
-#else
-        metaclass = &PyType_Type;
-#endif
-    }
-    Py_INCREF((PyObject*) metaclass);
-    return (PyObject*) metaclass;
-}
-
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-static PyObject *
-__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
-{
-    if (unlikely(op->func_doc == NULL)) {
-        if (op->func.m_ml->ml_doc) {
-#if PY_MAJOR_VERSION >= 3
-            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
-#else
-            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
-#endif
-            if (unlikely(op->func_doc == NULL))
-                return NULL;
-        } else {
-            Py_INCREF(Py_None);
-            return Py_None;
-        }
-    }
-    Py_INCREF(op->func_doc);
-    return op->func_doc;
-}
-static int
-__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp = op->func_doc;
-    if (value == NULL)
-        value = Py_None; /* Mark as deleted */
-    Py_INCREF(value);
-    op->func_doc = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_name == NULL)) {
-#if PY_MAJOR_VERSION >= 3
-        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
-#else
-        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
-#endif
-        if (unlikely(op->func_name == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_name);
-    return op->func_name;
-}
-static int
-__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_name;
-    Py_INCREF(value);
-    op->func_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_qualname);
-    return op->func_qualname;
-}
-static int
-__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_qualname;
-    Py_INCREF(value);
-    op->func_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
-{
-    PyObject *self;
-    self = m->func_closure;
-    if (self == NULL)
-        self = Py_None;
-    Py_INCREF(self);
-    return self;
-}
-static PyObject *
-__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_dict == NULL)) {
-        op->func_dict = PyDict_New();
-        if (unlikely(op->func_dict == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_dict);
-    return op->func_dict;
-}
-static int
-__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-    if (unlikely(value == NULL)) {
-        PyErr_SetString(PyExc_TypeError,
-               "function's dictionary may not be deleted");
-        return -1;
-    }
-    if (unlikely(!PyDict_Check(value))) {
-        PyErr_SetString(PyExc_TypeError,
-               "setting function's dictionary to a non-dict");
-        return -1;
-    }
-    tmp = op->func_dict;
-    Py_INCREF(value);
-    op->func_dict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_globals);
-    return op->func_globals;
-}
-static PyObject *
-__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
-{
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-static PyObject *
-__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
-{
-    PyObject* result = (op->func_code) ? op->func_code : Py_None;
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
-    PyObject *res = op->defaults_getter((PyObject *) op);
-    if (unlikely(!res))
-        return -1;
-    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
-    Py_INCREF(op->defaults_tuple);
-    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
-    Py_INCREF(op->defaults_kwdict);
-    Py_DECREF(res);
-    return 0;
-}
-static int
-__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyTuple_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__defaults__ must be set to a tuple object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_tuple;
-    op->defaults_tuple = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_tuple;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_tuple;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_kwdict;
-    op->defaults_kwdict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_kwdict;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_kwdict;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value || value == Py_None) {
-        value = NULL;
-    } else if (!PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__annotations__ must be set to a dict object");
-        return -1;
-    }
-    Py_XINCREF(value);
-    tmp = op->func_annotations;
-    op->func_annotations = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->func_annotations;
-    if (unlikely(!result)) {
-        result = PyDict_New();
-        if (unlikely(!result)) return NULL;
-        op->func_annotations = result;
-    }
-    Py_INCREF(result);
-    return result;
-}
-static PyGetSetDef __pyx_CyFunction_getsets[] = {
-    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
-    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
-    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
-    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
-    {0, 0, 0, 0, 0}
-};
-#ifndef PY_WRITE_RESTRICTED /* < Py2.5 */
-#define PY_WRITE_RESTRICTED WRITE_RESTRICTED
-#endif
-static PyMemberDef __pyx_CyFunction_members[] = {
-    {(char *) "__module__", T_OBJECT, offsetof(__pyx_CyFunctionObject, func.m_module), PY_WRITE_RESTRICTED, 0},
-    {0, 0, 0,  0, 0}
-};
-static PyObject *
-__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromString(m->func.m_ml->ml_name);
-#else
-    return PyString_FromString(m->func.m_ml->ml_name);
-#endif
-}
-static PyMethodDef __pyx_CyFunction_methods[] = {
-    {__Pyx_NAMESTR("__reduce__"), (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
-                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
-    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
-    if (op == NULL)
-        return NULL;
-    op->flags = flags;
-    op->func_weakreflist = NULL;
-    op->func.m_ml = ml;
-    op->func.m_self = (PyObject *) op;
-    Py_XINCREF(closure);
-    op->func_closure = closure;
-    Py_XINCREF(module);
-    op->func.m_module = module;
-    op->func_dict = NULL;
-    op->func_name = NULL;
-    Py_INCREF(qualname);
-    op->func_qualname = qualname;
-    op->func_doc = NULL;
-    op->func_classobj = NULL;
-    op->func_globals = globals;
-    Py_INCREF(op->func_globals);
-    Py_XINCREF(code);
-    op->func_code = code;
-    op->defaults_pyobjects = 0;
-    op->defaults = NULL;
-    op->defaults_tuple = NULL;
-    op->defaults_kwdict = NULL;
-    op->defaults_getter = NULL;
-    op->func_annotations = NULL;
-    PyObject_GC_Track(op);
-    return (PyObject *) op;
-}
-static int
-__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
-{
-    Py_CLEAR(m->func_closure);
-    Py_CLEAR(m->func.m_module);
-    Py_CLEAR(m->func_dict);
-    Py_CLEAR(m->func_name);
-    Py_CLEAR(m->func_qualname);
-    Py_CLEAR(m->func_doc);
-    Py_CLEAR(m->func_globals);
-    Py_CLEAR(m->func_code);
-    Py_CLEAR(m->func_classobj);
-    Py_CLEAR(m->defaults_tuple);
-    Py_CLEAR(m->defaults_kwdict);
-    Py_CLEAR(m->func_annotations);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_XDECREF(pydefaults[i]);
-        PyMem_Free(m->defaults);
-        m->defaults = NULL;
-    }
-    return 0;
-}
-static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    PyObject_GC_UnTrack(m);
-    if (m->func_weakreflist != NULL)
-        PyObject_ClearWeakRefs((PyObject *) m);
-    __Pyx_CyFunction_clear(m);
-    PyObject_GC_Del(m);
-}
-static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
-{
-    Py_VISIT(m->func_closure);
-    Py_VISIT(m->func.m_module);
-    Py_VISIT(m->func_dict);
-    Py_VISIT(m->func_name);
-    Py_VISIT(m->func_qualname);
-    Py_VISIT(m->func_doc);
-    Py_VISIT(m->func_globals);
-    Py_VISIT(m->func_code);
-    Py_VISIT(m->func_classobj);
-    Py_VISIT(m->defaults_tuple);
-    Py_VISIT(m->defaults_kwdict);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_VISIT(pydefaults[i]);
-    }
-    return 0;
-}
-static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
-        Py_INCREF(func);
-        return func;
-    }
-    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
-        if (type == NULL)
-            type = (PyObject *)(Py_TYPE(obj));
-        return PyMethod_New(func,
-                            type, (PyObject *)(Py_TYPE(type)));
-    }
-    if (obj == Py_None)
-        obj = NULL;
-    return PyMethod_New(func, obj, type);
-}
-static PyObject*
-__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromFormat("<cyfunction %U at %p>",
-                                op->func_qualname, (void *)op);
-#else
-    return PyString_FromFormat("<cyfunction %s at %p>",
-                               PyString_AsString(op->func_qualname), (void *)op);
-#endif
-}
-#if CYTHON_COMPILING_IN_PYPY
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyCFunctionObject* f = (PyCFunctionObject*)func;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    Py_ssize_t size;
-    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
-    case METH_VARARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
-            return (*meth)(self, arg);
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-    case METH_NOARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 0)
-                return (*meth)(self, NULL);
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    case METH_O:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 1)
-                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-        return NULL;
-    }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
-}
-#else
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-	return PyCFunction_Call(func, arg, kw);
-}
-#endif
-static PyTypeObject __pyx_CyFunctionType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    __Pyx_NAMESTR("cython_function_or_method"), /*tp_name*/
-    sizeof(__pyx_CyFunctionObject),   /*tp_basicsize*/
-    0,                                  /*tp_itemsize*/
-    (destructor) __Pyx_CyFunction_dealloc, /*tp_dealloc*/
-    0,                                  /*tp_print*/
-    0,                                  /*tp_getattr*/
-    0,                                  /*tp_setattr*/
-#if PY_MAJOR_VERSION < 3
-    0,                                  /*tp_compare*/
-#else
-    0,                                  /*reserved*/
-#endif
-    (reprfunc) __Pyx_CyFunction_repr,   /*tp_repr*/
-    0,                                  /*tp_as_number*/
-    0,                                  /*tp_as_sequence*/
-    0,                                  /*tp_as_mapping*/
-    0,                                  /*tp_hash*/
-    __Pyx_CyFunction_Call,              /*tp_call*/
-    0,                                  /*tp_str*/
-    0,                                  /*tp_getattro*/
-    0,                                  /*tp_setattro*/
-    0,                                  /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
-    0,                                  /*tp_doc*/
-    (traverseproc) __Pyx_CyFunction_traverse,   /*tp_traverse*/
-    (inquiry) __Pyx_CyFunction_clear,   /*tp_clear*/
-    0,                                  /*tp_richcompare*/
-    offsetof(__pyx_CyFunctionObject, func_weakreflist), /* tp_weaklistoffse */
-    0,                                  /*tp_iter*/
-    0,                                  /*tp_iternext*/
-    __pyx_CyFunction_methods,           /*tp_methods*/
-    __pyx_CyFunction_members,           /*tp_members*/
-    __pyx_CyFunction_getsets,           /*tp_getset*/
-    0,                                  /*tp_base*/
-    0,                                  /*tp_dict*/
-    __Pyx_CyFunction_descr_get,         /*tp_descr_get*/
-    0,                                  /*tp_descr_set*/
-    offsetof(__pyx_CyFunctionObject, func_dict),/*tp_dictoffset*/
-    0,                                  /*tp_init*/
-    0,                                  /*tp_alloc*/
-    0,                                  /*tp_new*/
-    0,                                  /*tp_free*/
-    0,                                  /*tp_is_gc*/
-    0,                                  /*tp_bases*/
-    0,                                  /*tp_mro*/
-    0,                                  /*tp_cache*/
-    0,                                  /*tp_subclasses*/
-    0,                                  /*tp_weaklist*/
-    0,                                  /*tp_del*/
-#if PY_VERSION_HEX >= 0x02060000
-    0,                                  /*tp_version_tag*/
-#endif
-#if PY_VERSION_HEX >= 0x030400a1
-    0,                                  /*tp_finalize*/
-#endif
-};
-static int __Pyx_CyFunction_init(void) {
-#if !CYTHON_COMPILING_IN_PYPY
-    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
-#endif
-    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
-    if (__pyx_CyFunctionType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults = PyMem_Malloc(size);
-    if (!m->defaults)
-        return PyErr_NoMemory();
-    memset(m->defaults, 0, size);
-    m->defaults_pyobjects = pyobjects;
-    return m->defaults;
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_tuple = tuple;
-    Py_INCREF(tuple);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_kwdict = dict;
-    Py_INCREF(dict);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->func_annotations = dict;
-    Py_INCREF(dict);
-}
-
-static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
-                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
-    PyObject *ns;
-    if (metaclass) {
-        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
-        if (prep) {
-            PyObject *pargs = PyTuple_Pack(2, name, bases);
-            if (unlikely(!pargs)) {
-                Py_DECREF(prep);
-                return NULL;
-            }
-            ns = PyObject_Call(prep, pargs, mkw);
-            Py_DECREF(prep);
-            Py_DECREF(pargs);
-        } else {
-            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
-                return NULL;
-            PyErr_Clear();
-            ns = PyDict_New();
-        }
-    } else {
-        ns = PyDict_New();
-    }
-    if (unlikely(!ns))
-        return NULL;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
-    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
-    return ns;
-bad:
-    Py_DECREF(ns);
-    return NULL;
-}
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
-                                      PyObject *dict, PyObject *mkw,
-                                      int calculate_metaclass, int allow_py2_metaclass) {
-    PyObject *result, *margs;
-    PyObject *owned_metaclass = NULL;
-    if (allow_py2_metaclass) {
-        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
-        if (owned_metaclass) {
-            metaclass = owned_metaclass;
-        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
-            PyErr_Clear();
-        } else {
-            return NULL;
-        }
-    }
-    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
-        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
-        Py_XDECREF(owned_metaclass);
-        if (unlikely(!metaclass))
-            return NULL;
-        owned_metaclass = metaclass;
-    }
-    margs = PyTuple_Pack(3, name, bases, dict);
-    if (unlikely(!margs)) {
-        result = NULL;
-    } else {
-        result = PyObject_Call(metaclass, margs, mkw);
-        Py_DECREF(margs);
-    }
-    Py_XDECREF(owned_metaclass);
-    return result;
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    #if PY_VERSION_HEX >= 0x02050000
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0; /* try absolute import on failure */
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-    #else
-    if (level>0) {
-        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
-        goto bad;
-    }
-    module = PyObject_CallFunctionObjArgs(py_import,
-        name, global_dict, empty_dict, list, NULL);
-    #endif
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value) {
-    const uint32_t neg_one = (uint32_t) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(uint32_t) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(uint32_t) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(uint32_t) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(uint32_t) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(uint32_t) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(uint32_t),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
-    {                                                                     \
-        func_type value = func(x);                                        \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                PyErr_SetString(PyExc_OverflowError,                      \
-                    (is_unsigned && unlikely(value < zero)) ?             \
-                    "can't convert negative value to " #target_type :     \
-                    "value too large to convert to " #target_type);       \
-                return (target_type) -1;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to long");
-                return (long) -1;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(long)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to int");
-                return (int) -1;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            if (sizeof(digit) <= sizeof(int)) {
-                switch (Py_SIZE(x)) {
-                    case  0: return 0;
-                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
-                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
-                }
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-#else
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-#endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-
-static PyObject *__Pyx_Generator_Next(PyObject *self);
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
-static PyObject *__Pyx_Generator_Close(PyObject *self);
-static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
-static PyTypeObject *__pyx_GeneratorType = 0;
-#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
-#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
-#if 1 || PY_VERSION_HEX < 0x030300B0
-static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
-    PyObject *et, *ev, *tb;
-    PyObject *value = NULL;
-    __Pyx_ErrFetch(&et, &ev, &tb);
-    if (!et) {
-        Py_XDECREF(tb);
-        Py_XDECREF(ev);
-        Py_INCREF(Py_None);
-        *pvalue = Py_None;
-        return 0;
-    }
-    if (unlikely(et != PyExc_StopIteration) &&
-            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
-        __Pyx_ErrRestore(et, ev, tb);
-        return -1;
-    }
-    if (likely(et == PyExc_StopIteration)) {
-        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
-            if (!ev) {
-                Py_INCREF(Py_None);
-                ev = Py_None;
-            }
-            Py_XDECREF(tb);
-            Py_DECREF(et);
-            *pvalue = ev;
-            return 0;
-        }
-    }
-    PyErr_NormalizeException(&et, &ev, &tb);
-    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
-        __Pyx_ErrRestore(et, ev, tb);
-        return -1;
-    }
-    Py_XDECREF(tb);
-    Py_DECREF(et);
-#if PY_VERSION_HEX >= 0x030300A0
-    value = ((PyStopIterationObject *)ev)->value;
-    Py_INCREF(value);
-    Py_DECREF(ev);
-#else
-    {
-        PyObject* args = PyObject_GetAttr(ev, __pyx_n_s_args);
-        Py_DECREF(ev);
-        if (likely(args)) {
-            value = PyObject_GetItem(args, 0);
-            Py_DECREF(args);
-        }
-        if (unlikely(!value)) {
-            __Pyx_ErrRestore(NULL, NULL, NULL);
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-    }
-#endif
-    *pvalue = value;
-    return 0;
-}
-#endif
-static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
-    PyObject *exc_type = self->exc_type;
-    PyObject *exc_value = self->exc_value;
-    PyObject *exc_traceback = self->exc_traceback;
-    self->exc_type = NULL;
-    self->exc_value = NULL;
-    self->exc_traceback = NULL;
-    Py_XDECREF(exc_type);
-    Py_XDECREF(exc_value);
-    Py_XDECREF(exc_traceback);
-}
-static CYTHON_INLINE
-int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
-    if (unlikely(gen->is_running)) {
-        PyErr_SetString(PyExc_ValueError,
-                        "generator already executing");
-        return 1;
-    }
-    return 0;
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
-    PyObject *retval;
-    assert(!self->is_running);
-    if (unlikely(self->resume_label == 0)) {
-        if (unlikely(value && value != Py_None)) {
-            PyErr_SetString(PyExc_TypeError,
-                            "can't send non-None value to a "
-                            "just-started generator");
-            return NULL;
-        }
-    }
-    if (unlikely(self->resume_label == -1)) {
-        PyErr_SetNone(PyExc_StopIteration);
-        return NULL;
-    }
-    if (value) {
-#if CYTHON_COMPILING_IN_PYPY
-#else
-        /* Generators always return to their most recent caller, not
-         * necessarily their creator. */
-        if (self->exc_traceback) {
-            PyThreadState *tstate = PyThreadState_GET();
-            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
-            PyFrameObject *f = tb->tb_frame;
-            Py_XINCREF(tstate->frame);
-            assert(f->f_back == NULL);
-            f->f_back = tstate->frame;
-        }
-#endif
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
-                            &self->exc_traceback);
-    } else {
-        __Pyx_Generator_ExceptionClear(self);
-    }
-    self->is_running = 1;
-    retval = self->body((PyObject *) self, value);
-    self->is_running = 0;
-    if (retval) {
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
-                            &self->exc_traceback);
-#if CYTHON_COMPILING_IN_PYPY
-#else
-        /* Don't keep the reference to f_back any longer than necessary.  It
-         * may keep a chain of frames alive or it could create a reference
-         * cycle. */
-        if (self->exc_traceback) {
-            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
-            PyFrameObject *f = tb->tb_frame;
-            Py_CLEAR(f->f_back);
-        }
-#endif
-    } else {
-        __Pyx_Generator_ExceptionClear(self);
-    }
-    return retval;
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
-    PyObject *ret;
-    PyObject *val = NULL;
-    __Pyx_Generator_Undelegate(gen);
-    __Pyx_PyGen_FetchStopIterationValue(&val);
-    ret = __Pyx_Generator_SendEx(gen, val);
-    Py_XDECREF(val);
-    return ret;
-}
-static PyObject *__Pyx_Generator_Next(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
-    PyObject *yf = gen->yieldfrom;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        gen->is_running = 1;
-        ret = Py_TYPE(yf)->tp_iternext(yf);
-        gen->is_running = 0;
-        if (likely(ret)) {
-            return ret;
-        }
-        return __Pyx_Generator_FinishDelegation(gen);
-    }
-    return __Pyx_Generator_SendEx(gen, Py_None);
-}
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
-    PyObject *yf = gen->yieldfrom;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        gen->is_running = 1;
-        if (__Pyx_Generator_CheckExact(yf)) {
-            ret = __Pyx_Generator_Send(yf, value);
-        } else {
-            if (value == Py_None)
-                ret = PyIter_Next(yf);
-            else
-                ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
-        }
-        gen->is_running = 0;
-        if (likely(ret)) {
-            return ret;
-        }
-        return __Pyx_Generator_FinishDelegation(gen);
-    }
-    return __Pyx_Generator_SendEx(gen, value);
-}
-static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
-    PyObject *retval = NULL;
-    int err = 0;
-    if (__Pyx_Generator_CheckExact(yf)) {
-        retval = __Pyx_Generator_Close(yf);
-        if (!retval)
-            return -1;
-    } else {
-        PyObject *meth;
-        gen->is_running = 1;
-        meth = PyObject_GetAttr(yf, __pyx_n_s_close);
-        if (unlikely(!meth)) {
-            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                PyErr_WriteUnraisable(yf);
-            }
-            PyErr_Clear();
-        } else {
-            retval = PyObject_CallFunction(meth, NULL);
-            Py_DECREF(meth);
-            if (!retval)
-                err = -1;
-        }
-        gen->is_running = 0;
-    }
-    Py_XDECREF(retval);
-    return err;
-}
-static PyObject *__Pyx_Generator_Close(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject *retval, *raised_exception;
-    PyObject *yf = gen->yieldfrom;
-    int err = 0;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        Py_INCREF(yf);
-        err = __Pyx_Generator_CloseIter(gen, yf);
-        __Pyx_Generator_Undelegate(gen);
-        Py_DECREF(yf);
-    }
-    if (err == 0)
-#if PY_VERSION_HEX < 0x02050000
-        PyErr_SetNone(PyExc_StopIteration);
-#else
-        PyErr_SetNone(PyExc_GeneratorExit);
-#endif
-    retval = __Pyx_Generator_SendEx(gen, NULL);
-    if (retval) {
-        Py_DECREF(retval);
-        PyErr_SetString(PyExc_RuntimeError,
-                        "generator ignored GeneratorExit");
-        return NULL;
-    }
-    raised_exception = PyErr_Occurred();
-    if (!raised_exception
-        || raised_exception == PyExc_StopIteration
-#if PY_VERSION_HEX >= 0x02050000
-        || raised_exception == PyExc_GeneratorExit
-        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
-#endif
-        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
-    {
-        if (raised_exception) PyErr_Clear();      /* ignore these errors */
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
-    return NULL;
-}
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject *typ;
-    PyObject *tb = NULL;
-    PyObject *val = NULL;
-    PyObject *yf = gen->yieldfrom;
-    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
-        return NULL;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        Py_INCREF(yf);
-#if PY_VERSION_HEX >= 0x02050000
-        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
-            int err = __Pyx_Generator_CloseIter(gen, yf);
-            Py_DECREF(yf);
-            __Pyx_Generator_Undelegate(gen);
-            if (err < 0)
-                return __Pyx_Generator_SendEx(gen, NULL);
-            goto throw_here;
-        }
-#endif
-        gen->is_running = 1;
-        if (__Pyx_Generator_CheckExact(yf)) {
-            ret = __Pyx_Generator_Throw(yf, args);
-        } else {
-            PyObject *meth = PyObject_GetAttr(yf, __pyx_n_s_throw);
-            if (unlikely(!meth)) {
-                Py_DECREF(yf);
-                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                    gen->is_running = 0;
-                    return NULL;
-                }
-                PyErr_Clear();
-                __Pyx_Generator_Undelegate(gen);
-                gen->is_running = 0;
-                goto throw_here;
-            }
-            ret = PyObject_CallObject(meth, args);
-            Py_DECREF(meth);
-        }
-        gen->is_running = 0;
-        Py_DECREF(yf);
-        if (!ret) {
-            ret = __Pyx_Generator_FinishDelegation(gen);
-        }
-        return ret;
-    }
-throw_here:
-    __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(gen, NULL);
-}
-static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_VISIT(gen->closure);
-    Py_VISIT(gen->classobj);
-    Py_VISIT(gen->yieldfrom);
-    Py_VISIT(gen->exc_type);
-    Py_VISIT(gen->exc_value);
-    Py_VISIT(gen->exc_traceback);
-    return 0;
-}
-static int __Pyx_Generator_clear(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->yieldfrom);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
-    return 0;
-}
-static void __Pyx_Generator_dealloc(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject_GC_UnTrack(gen);
-    if (gen->gi_weakreflist != NULL)
-        PyObject_ClearWeakRefs(self);
-    if (gen->resume_label > 0) {
-        PyObject_GC_Track(self);
-#if PY_VERSION_HEX >= 0x030400a1
-        if (PyObject_CallFinalizerFromDealloc(self))
-#else
-        Py_TYPE(gen)->tp_del(self);
-        if (self->ob_refcnt > 0)
-#endif
-            return;                     /* resurrected.  :( */
-        PyObject_GC_UnTrack(self);
-    }
-    __Pyx_Generator_clear(self);
-    PyObject_GC_Del(gen);
-}
-static void __Pyx_Generator_del(PyObject *self) {
-    PyObject *res;
-    PyObject *error_type, *error_value, *error_traceback;
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    if (gen->resume_label <= 0)
-        return ;
-#if PY_VERSION_HEX < 0x030400a1
-    assert(self->ob_refcnt == 0);
-    self->ob_refcnt = 1;
-#endif
-    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
-    res = __Pyx_Generator_Close(self);
-    if (res == NULL)
-        PyErr_WriteUnraisable(self);
-    else
-        Py_DECREF(res);
-    __Pyx_ErrRestore(error_type, error_value, error_traceback);
-#if PY_VERSION_HEX < 0x030400a1
-    /* Undo the temporary resurrection; can't use DECREF here, it would
-     * cause a recursive call.
-     */
-    assert(self->ob_refcnt > 0);
-    if (--self->ob_refcnt == 0)
-        return; /* this is the normal path out */
-    /* close() resurrected it!  Make it look like the original Py_DECREF
-     * never happened.
-     */
-    {
-        Py_ssize_t refcnt = self->ob_refcnt;
-        _Py_NewReference(self);
-        self->ob_refcnt = refcnt;
-    }
-#if CYTHON_COMPILING_IN_CPYTHON
-    assert(PyType_IS_GC(self->ob_type) &&
-           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
-    /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
-     * we need to undo that. */
-    _Py_DEC_REFTOTAL;
-#endif
-    /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
-     * chain, so no more to do there.
-     * If COUNT_ALLOCS, the original decref bumped tp_frees, and
-     * _Py_NewReference bumped tp_allocs:  both of those need to be
-     * undone.
-     */
-#ifdef COUNT_ALLOCS
-    --Py_TYPE(self)->tp_frees;
-    --Py_TYPE(self)->tp_allocs;
-#endif
-#endif
-}
-static PyMemberDef __pyx_Generator_memberlist[] = {
-    {(char *) "gi_running",
-#if PY_VERSION_HEX >= 0x02060000
-     T_BOOL,
-#else
-     T_BYTE,
-#endif
-     offsetof(__pyx_GeneratorObject, is_running),
-     READONLY,
-     NULL},
-    {0, 0, 0, 0, 0}
-};
-static PyMethodDef __pyx_Generator_methods[] = {
-    {__Pyx_NAMESTR("send"), (PyCFunction) __Pyx_Generator_Send, METH_O, 0},
-    {__Pyx_NAMESTR("throw"), (PyCFunction) __Pyx_Generator_Throw, METH_VARARGS, 0},
-    {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyTypeObject __pyx_GeneratorType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    __Pyx_NAMESTR("generator"),         /*tp_name*/
-    sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
-    0,                                  /*tp_itemsize*/
-    (destructor) __Pyx_Generator_dealloc,/*tp_dealloc*/
-    0,                                  /*tp_print*/
-    0,                                  /*tp_getattr*/
-    0,                                  /*tp_setattr*/
-#if PY_MAJOR_VERSION < 3
-    0,                                  /*tp_compare*/
-#else
-    0,                                  /*reserved*/
-#endif
-    0,                                   /*tp_repr*/
-    0,                                  /*tp_as_number*/
-    0,                                  /*tp_as_sequence*/
-    0,                                  /*tp_as_mapping*/
-    0,                                  /*tp_hash*/
-    0,                                  /*tp_call*/
-    0,                                  /*tp_str*/
-    0,                                  /*tp_getattro*/
-    0,                                  /*tp_setattro*/
-    0,                                  /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, /* tp_flags*/
-    0,                                  /*tp_doc*/
-    (traverseproc) __Pyx_Generator_traverse,   /*tp_traverse*/
-    0,                                  /*tp_clear*/
-    0,                                  /*tp_richcompare*/
-    offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
-    0,                                  /*tp_iter*/
-    (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
-    __pyx_Generator_methods,            /*tp_methods*/
-    __pyx_Generator_memberlist,         /*tp_members*/
-    0,                                  /*tp_getset*/
-    0,                                  /*tp_base*/
-    0,                                  /*tp_dict*/
-    0,                                  /*tp_descr_get*/
-    0,                                  /*tp_descr_set*/
-    0,                                  /*tp_dictoffset*/
-    0,                                  /*tp_init*/
-    0,                                  /*tp_alloc*/
-    0,                                  /*tp_new*/
-    0,                                  /*tp_free*/
-    0,                                  /*tp_is_gc*/
-    0,                                  /*tp_bases*/
-    0,                                  /*tp_mro*/
-    0,                                  /*tp_cache*/
-    0,                                  /*tp_subclasses*/
-    0,                                  /*tp_weaklist*/
-#if PY_VERSION_HEX >= 0x030400a1
-    0,                                  /*tp_del*/
-#else
-    __Pyx_Generator_del,                /*tp_del*/
-#endif
-#if PY_VERSION_HEX >= 0x02060000
-    0,                                  /*tp_version_tag*/
-#endif
-#if PY_VERSION_HEX >= 0x030400a1
-    __Pyx_Generator_del,                /*tp_finalize*/
-#endif
-};
-static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                                  PyObject *closure) {
-    __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
-    if (gen == NULL)
-        return NULL;
-    gen->body = body;
-    gen->closure = closure;
-    Py_XINCREF(closure);
-    gen->is_running = 0;
-    gen->resume_label = 0;
-    gen->classobj = NULL;
-    gen->yieldfrom = NULL;
-    gen->exc_type = NULL;
-    gen->exc_value = NULL;
-    gen->exc_traceback = NULL;
-    gen->gi_weakreflist = NULL;
-    PyObject_GC_Track(gen);
-    return gen;
-}
-static int __pyx_Generator_init(void) {
-    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
-    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
-    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
-    if (__pyx_GeneratorType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        #if PY_VERSION_HEX < 0x02050000
-        return PyErr_Warn(NULL, message);
-        #else
-        return PyErr_WarnEx(NULL, message, 1);
-        #endif
-    }
-    return 0;
-}
-
-#ifndef __PYX_HAVE_RT_ImportModule
-#define __PYX_HAVE_RT_ImportModule
-static PyObject *__Pyx_ImportModule(const char *name) {
-    PyObject *py_name = 0;
-    PyObject *py_module = 0;
-    py_name = __Pyx_PyIdentifier_FromString(name);
-    if (!py_name)
-        goto bad;
-    py_module = PyImport_Import(py_name);
-    Py_DECREF(py_name);
-    return py_module;
-bad:
-    Py_XDECREF(py_name);
-    return 0;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
-    size_t size, int strict)
-{
-    PyObject *py_module = 0;
-    PyObject *result = 0;
-    PyObject *py_name = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    py_module = __Pyx_ImportModule(module_name);
-    if (!py_module)
-        goto bad;
-    py_name = __Pyx_PyIdentifier_FromString(class_name);
-    if (!py_name)
-        goto bad;
-    result = PyObject_GetAttr(py_module, py_name);
-    Py_DECREF(py_name);
-    py_name = 0;
-    Py_DECREF(py_module);
-    py_module = 0;
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if (!strict && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility",
-            module_name, class_name);
-        #if PY_VERSION_HEX < 0x02050000
-        if (PyErr_Warn(NULL, warning) < 0) goto bad;
-        #else
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-        #endif
-    }
-    else if ((size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s has the wrong size, try recompiling",
-            module_name, class_name);
-        goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(py_module);
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-#ifndef __PYX_HAVE_RT_ImportFunction
-#define __PYX_HAVE_RT_ImportFunction
-static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig) {
-    PyObject *d = 0;
-    PyObject *cobj = 0;
-    union {
-        void (*fp)(void);
-        void *p;
-    } tmp;
-    d = PyObject_GetAttrString(module, (char *)"__pyx_capi__");
-    if (!d)
-        goto bad;
-    cobj = PyDict_GetItemString(d, funcname);
-    if (!cobj) {
-        PyErr_Format(PyExc_ImportError,
-            "%.200s does not export expected C function %.200s",
-                PyModule_GetName(module), funcname);
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3 && PY_MINOR_VERSION==0)
-    if (!PyCapsule_IsValid(cobj, sig)) {
-        PyErr_Format(PyExc_TypeError,
-            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
-             PyModule_GetName(module), funcname, sig, PyCapsule_GetName(cobj));
-        goto bad;
-    }
-    tmp.p = PyCapsule_GetPointer(cobj, sig);
-#else
-    {const char *desc, *s1, *s2;
-    desc = (const char *)PyCObject_GetDesc(cobj);
-    if (!desc)
-        goto bad;
-    s1 = desc; s2 = sig;
-    while (*s1 != '\0' && *s1 == *s2) { s1++; s2++; }
-    if (*s1 != *s2) {
-        PyErr_Format(PyExc_TypeError,
-            "C function %.200s.%.200s has wrong signature (expected %.500s, got %.500s)",
-             PyModule_GetName(module), funcname, sig, desc);
-        goto bad;
-    }
-    tmp.p = PyCObject_AsVoidPtr(cobj);}
-#endif
-    *f = tmp.fp;
-    if (!(*f))
-        goto bad;
-    Py_DECREF(d);
-    return 0;
-bad:
-    Py_XDECREF(d);
-    return -1;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,            /*int argcount,*/
-        0,            /*int kwonlyargcount,*/
-        0,            /*int nlocals,*/
-        0,            /*int stacksize,*/
-        0,            /*int flags,*/
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,      /*int firstlineno,*/
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_globals = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_globals = PyModule_GetDict(__pyx_m);
-    if (!py_globals) goto bad;
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        py_globals,          /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else  /* Python 3+ has unicode identifiers */
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else /* PY_VERSION_HEX < 0x03030000 */
-        if (PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_DATA_SIZE(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
-#endif /* PY_VERSION_HEX < 0x03030000 */
-    } else
-#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
-#if !CYTHON_COMPILING_IN_PYPY
-#if PY_VERSION_HEX >= 0x02060000
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-  #if PY_VERSION_HEX < 0x02060000
-    return PyInt_AsSsize_t(b);
-  #else
-    return PyLong_AsSsize_t(b);
-  #endif
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-#if PY_VERSION_HEX < 0x02050000
-   if (ival <= LONG_MAX)
-       return PyInt_FromLong((long)ival);
-   else {
-       unsigned char *bytes = (unsigned char *) &ival;
-       int one = 1; int little = (int)*(unsigned char*)&one;
-       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
-   }
-#else
-   return PyInt_FromSize_t(ival);
-#endif
-}
-
-
-#endif /* Py_PYTHON_H */

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/debian-med/python-pysam.git



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