contrib/profile-repos.py

   1 #!/usr/bin/env python
   2 # ====================================================================
   3 # Copyright (c) 2000-2006 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 temporary files output by pass 1 of cvs2svn
  20 on that repository.  NOTE: You have to run the conversion pass yourself!
  21 """
  22
  23 import sys, os, os.path
  24
  25 from cvs2svn_lib.common import DB_OPEN_READ
  26 from cvs2svn_lib.config import CVS_PATHS_DB
  27 from cvs2svn_lib.config import CVS_ITEMS_DB
  28 from cvs2svn_lib.config import CVS_ITEMS_ALL_DATAFILE
  29 from cvs2svn_lib.cvs_path_database import CVSPathDatabase
  30 from cvs2svn_lib.cvs_item_database import CVSItemDatabase
  31
  32 def do_it():
  33   cvs_path_db = CVSPathDatabase(CVS_PATHS_DB, DB_OPEN_READ)
  34   cvs_items_db = CVSItemDatabase(cvs_path_db, CVS_ITEMS_DB, DB_OPEN_READ)
  35   fp = open(CVS_ITEMS_ALL_DATAFILE, 'r')
  36
  37   tags = { }
  38   branches = { }
  39
  40   max_tags = 0
  41   max_branches = 0
  42   line_count = 0
  43   total_tags = 0
  44   total_branches = 0
  45
  46   while 1:
  47     line_count = line_count + 1
  48     line = fp.readline()
  49     if not line:
  50       break
  51
  52     cvs_rev_key = line.strip()
  53     cvs_rev = cvs_items_db[cvs_rev_key]
  54
  55     # Handle tags
  56     num_tags = len(cvs_rev.tags)
  57     max_tags = (num_tags > max_tags) \
  58                and num_tags or max_tags
  59     total_tags = total_tags + num_tags
  60     for tag in cvs_rev.tags:
  61       tags[tag] = None
  62
  63     # Handle branches
  64     num_branches = len(cvs_rev.branches)
  65     max_branches = (num_branches > max_branches) \
  66                    and num_branches or max_branches
  67     total_branches = total_branches + num_branches
  68     for branch in cvs_rev.branches:
  69       branches[branch] = None
  70
  71   symbols = {}
  72   symbols.update(tags)
  73   symbols.update(branches)
  74
  75   num_symbols = len(symbols.keys())
  76   num_tags = len(tags.keys())
  77   num_branches = len(branches.keys())
  78   avg_tags = total_tags * 1.0 / line_count
  79   avg_branches = total_branches * 1.0 / line_count
  80
  81   print '   Total CVS Revisions: %d\n' \
  82         '     Total Unique Tags: %d\n' \
  83         '    Peak Revision Tags: %d\n' \
  84         '    Avg. Tags/Revision: %2.1f\n' \
  85         ' Total Unique Branches: %d\n' \
  86         'Peak Revision Branches: %d\n' \
  87         'Avg. Branches/Revision: %2.1f\n' \
  88         '  Total Unique Symbols: %d%s\n' \
  89         % (line_count,
  90            num_tags,
  91            max_tags,
  92            avg_tags,
  93            num_branches,
  94            max_branches,
  95            avg_branches,
  96            num_symbols,
  97            num_symbols == num_tags + num_branches and ' ' or ' (!)',
  98            )
  99
 100
 101 if __name__ == "__main__":
 102   argc = len(sys.argv)
 103   if argc < 2:
 104     print 'Usage: %s /path/to/cvs2svn-temporary-directory' \
 105         % (os.path.basename(sys.argv[0]))
 106     print __doc__
 107     sys.exit(0)
 108   os.chdir(sys.argv[1])
 109   do_it()