[Pkg-mailman-hackers] Pkg-mailman commit - rev 80 - branches/pkg-split/core/debian/snippets

[Bernd S. Brentrup]

Author: bsb
Date: 2004-04-22 15:04:10 -0600 (Thu, 22 Apr 2004)
New Revision: 80

Added:
   branches/pkg-split/core/debian/snippets/maint_helpers.py
Log:
Helper classes SimpleLogger, DebuggingLogger and CommandRunner
for maintainer scripts.


Added: branches/pkg-split/core/debian/snippets/maint_helpers.py
===================================================================
--- branches/pkg-split/core/debian/snippets/maint_helpers.py	2004-04-22 09:44:59 UTC (rev 79)
+++ branches/pkg-split/core/debian/snippets/maint_helpers.py	2004-04-22 21:04:10 UTC (rev 80)
@@ -0,0 +1,133 @@
+#! /usr/bin/python -O
+#
+# Adopted from mailman maintainer scripts
+#
+# Copyright (c) 2004, Bernd S. Brentrup <bsb@debian.org>
+#
+# Licensed under GPL version 2
+#
+# Work in progress, STANDARD NO WARRANTY DISCLAIMER
+#
+# $URL$
+# $Id$
+
+"""
+"""#
+
+__version__ = '0.1'
+
+__all__ = [
+    'SimpleLogger',
+    'DebuggingLogger',
+    'CommandRunner',
+    ]
+
+
+# We'll use this copy later in CommandRunner
+virgin_gbls = globals().copy()
+for k in ('__doc__', '__version__', '__all__'):
+    del virgin_gbls[k]
+
+import sys, os
+
+class SimpleLogger:
+    """
+    """#
+    levels = [ 'no', 'yes', 'all' ]
+
+    def __init__(self, prefix):
+        self._file = sys.stderr
+        try:
+            level = os.environ['%(prefix)s_LOG' % locals()]
+            self._level = int(level)
+        except KeyError:
+            self._level = 1
+        except ValueError:
+            self._level = Logger.levels.index(level.lower())
+
+    def set_level(self, lvl):
+        self._level = lvl
+
+    def set_file(self, fl):
+        self._file = fl
+
+    def __call__(self, msg, **kw):
+        nl = kw.get('nl', '\n')
+        lvl = kw.get('lvl', 1)
+        if lvl <= self._level:
+            self._file.write('%(msg)s%(nl)s' % locals())
+            self._file.flush()
+
+class DebuggingLogger(SimpleLogger):
+    """
+    """#
+
+    def __init__(self, prefix):
+        SimpleLogger.__init__(self, prefix)
+        self._info = [ 'modules', 'path', 'argv', 'version', 'environ' ]
+        try:
+            info = os.environ['%(prefix)s_DEBUG' % locals()]
+            if info not in ('all', 'chatty'):
+                self._info = info.split(',')
+            elif info == 'chatty':
+                self.set_level(999)
+        except:
+            self._info = []
+
+    def sys_info(self):
+        if 'modules' in self._info:
+            for n, m in sys.modules.items():
+                if m is not None:
+                    self('%20s: %r' % (n, m), lvl=0)
+            self('', lvl=0)
+        if 'version' in self._info:
+            self('sys.version=%r' % sys.version, lvl=0)
+            self('', lvl=0)
+        if 'path' in self._info:
+            self('sys.path=%r' % sys.path, lvl=0)
+            self('', lvl=0)
+        if 'argv' in self._info:
+            self('sys.argv=%r' % sys.argv, lvl=0)
+            self('', lvl=0)
+        if 'environ' in self._info:
+            self('os.environ:', lvl=0)
+            for n, v in os.environ.items():
+                self('%20s=%r' % (n, v), lvl=0)
+            self('', lvl=0)
+
+class CommandRunner:
+    """
+    """#
+
+    def __init__(self, sys_path):
+        self._prepend = sys_path
+        self._sys_path = 
+
+
+    def run(self, cmd, *args):
+    """
+    """#
+        gbls = virgin_gbls.copy()
+        sys_argv    = sys.argv[:]
+        sys_path    = sys.path[:]
+        sys.argv    = [cmd] + list(args)
+        sys.path.insert(0, self._prepend)
+        execfile(cmd, gbls)
+        sys.path    = sys_path
+        sys.argv    = sys_argv
+
+# If run as a script, provide debug info for MM commands
+# implemented in Python.
+
+if __name__ == '__main__':
+    MM_ROOT = '/var/lib/mailman'
+    sys.stderr = sys.stdout
+    log = DebuggingLogger('MM_MAINT')
+    try:
+        CommandRunner(os.path.join(MM_ROOT, 'bin')
+                      ).run(*sys.argv[1:])
+    finally:
+        # If things break, show useful information
+        # depending on $MM_MAINT_DEBUG settings
+        log.sys_info()
+


Property changes on: branches/pkg-split/core/debian/snippets/maint_helpers.py
___________________________________________________________________
Name: svn:keywords
   + Id URL