[Debian-live-changes] r1289 - in people: . lamby lamby/misc

[Chris Lamb]

Author: lamby-guest
Date: 2007-05-05 23:51:48 +0000 (Sat, 05 May 2007)
New Revision: 1289

Added:
   people/lamby/
   people/lamby/misc/
   people/lamby/misc/graph-helpers.py
Log:
Create people/lamby - Add graph-helpers.py

Added: people/lamby/misc/graph-helpers.py
===================================================================
--- people/lamby/misc/graph-helpers.py	2007-05-05 23:40:22 UTC (rev 1288)
+++ people/lamby/misc/graph-helpers.py	2007-05-05 23:51:48 UTC (rev 1289)
@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+
+# graph-helpers.py
+# Chris Lamb <chris at chris-lamb.co.uk>
+
+helper_dir = "../helpers/"
+highlight = ['lh_chroot', 'lh_source', 'lh_binary', 'lh_build']
+
+import re
+from glob import glob
+from os.path import basename
+from optparse import OptionParser
+
+pattern = re.compile(r'^(lh_.+?) ')
+
+description = """
+This utility generates GraphViz visualisations of
+the live-helper system. Pipe the output of this
+program through dot(1) or twopi(1).
+"""
+
+def main():
+    graph_types = {
+        'relationships': relationships,
+        'trail': trail,
+    }
+
+    parser = OptionParser(usage="%prog -t TYPE", description=description)
+    parser.add_option("-t", "--graph-type", dest="graph_type",
+        help="What type of graph to produce (%s)" % ", ".join(graph_types.keys()), metavar="TYPE")
+    (options, args) = parser.parse_args()
+
+    if options.graph_type is None:
+        parser.error("Must specify a graph type (see --help)")
+
+    try:
+        graph_types[options.graph_type]()
+    except KeyError:
+        parser.error("Invalid graph type (expecting one of: %s)" % ", ".join(graph_types.keys()))
+
+# boilerplate graphviz code
+def output(func):
+    def _(*args, **kargs):
+        print "digraph G {"
+        func(*args, **kargs)
+        print "}"
+    return _
+
+ at output
+def relationships():
+    print "ranksep=3; ratio=auto"
+    for helper in glob("%slh_*" % helper_dir):
+        name = basename(helper)
+        for match in gen_matches(helper):
+            print ' "%s" -> "%s" ' % (name, match)
+
+ at output
+def trail():
+    start = "lh_build"
+    def helper(filename):
+        for line in gen_matches(helper_dir + filename):
+            print '-> "%s" ' % line,
+            helper(line)
+
+    print start,
+    helper(start)
+    print ";"
+
+def gen_matches(filename):
+    f = open(filename, 'r')
+    for line in f.xreadlines():
+        match = pattern.match(line)
+        if match:
+            yield match.group(1)
+    f.close()
+
+if __name__ == "__main__":
+    main()


Property changes on: people/lamby/misc/graph-helpers.py
___________________________________________________________________
Name: svn:executable
   + *