profile-repos.py

   1 #!/usr/bin/env python
   2 # ====================================================================
   3 # Copyright (c) 2000-2004 CollabNet.  All rights reserved.
   4 #
   5 # This software is licensed as described in the file COPYING, which
   6 # you should have received as part of this distribution.  The terms
   7 # are also available at http://subversion.tigris.org/license-1.html.
   8 # If newer versions of this license are posted there, you may use a
   9 # newer version instead, at your option.
  10 #
  11 # This software consists of voluntary contributions made by many
  12 # individuals.  For exact contribution history, see the revision
  13 # history and logs, available at http://cvs2svn.tigris.org/.
  14 # ====================================================================
  15
  16
  17 """
  18 Report information about CVS revisions, tags, and branches in a CVS
  19 repository by examining the results of running pass 1 of cvs2svn on
  20 that repository.  NOTE: You have to run the conversion passes
  21 yourself!
  22 """
  23
  24 import sys, os, os.path, string
  25 from cvs2svn import CVSRevision
  26
  27 def do_it(revs_file):
  28   fp = open(revs_file, 'r')
  29   tags = { }
  30   branches = { }
  31
  32   max_tags = 0
  33   max_branches = 0
  34   line_count = 0
  35   total_tags = 0
  36   total_branches = 0
  37
  38   while 1:
  39     line_count = line_count + 1
  40     line = fp.readline()
  41     if not line:
  42       break
  43
  44     # Get a CVSRevision to describe this line
  45     c_rev = CVSRevision(None, line)
  46
  47     # Handle tags
  48     num_tags = len(c_rev.tags)
  49     max_tags = (num_tags > max_tags) \
  50                and num_tags or max_tags
  51     total_tags = total_tags + num_tags
  52     for tag in c_rev.tags:
  53       tags[tag] = None
  54
  55     # Handle branches
  56     num_branches = len(c_rev.branches)
  57     max_branches = (num_branches > max_branches) \
  58                    and num_branches or max_branches
  59     total_branches = total_branches + num_branches
  60     for branch in c_rev.branches:
  61       branches[branch] = None
  62
  63   symbols = {}
  64   symbols.update(tags)
  65   symbols.update(branches)
  66
  67   num_symbols = len(symbols.keys())
  68   num_tags = len(tags.keys())
  69   num_branches = len(branches.keys())
  70   avg_tags = total_tags * 1.0 / line_count
  71   avg_branches = total_branches * 1.0 / line_count
  72
  73   print '   Total CVS Revisions: %d\n' \
  74         '     Total Unique Tags: %d\n' \
  75         '    Peak Revision Tags: %d\n' \
  76         '    Avg. Tags/Revision: %2.1f\n' \
  77         ' Total Unique Branches: %d\n' \
  78         'Peak Revision Branches: %d\n' \
  79         'Avg. Branches/Revision: %2.1f\n' \
  80         '  Total Unique Symbols: %d%s\n' \
  81         % (line_count,
  82            num_tags,
  83            max_tags,
  84            avg_tags,
  85            num_branches,
  86            max_branches,
  87            avg_branches,
  88            num_symbols,
  89            num_symbols == num_tags + num_branches and ' ' or ' (!)',
  90            )
  91
  92
  93 if __name__ == "__main__":
  94   argc = len(sys.argv)
  95   if argc < 2:
  96     print 'Usage: %s /path/to/cvs2svn-data.[c-|s-|]revs' \
  97         % (os.path.basename(sys.argv[0]))
  98     print __doc__
  99     sys.exit(0)
 100   do_it(sys.argv[1])