Demo/pdist/makechangelog.py

   1 #! /usr/bin/env python
   2
   3 """Turn a pile of RCS log output into ChangeLog file entries.
   4
   5 """
   6
   7 import sys
   8 import string
   9 import re
  10 import getopt
  11 import time
  12
  13 def main():
  14     args = sys.argv[1:]
  15     opts, args = getopt.getopt(args, 'p:')
  16     prefix = ''
  17     for o, a in opts:
  18         if p == '-p': prefix = a
  19
  20     f = sys.stdin
  21     allrevs = []
  22     while 1:
  23         file = getnextfile(f)
  24         if not file: break
  25         revs = []
  26         while 1:
  27             rev = getnextrev(f, file)
  28             if not rev:
  29                 break
  30             revs.append(rev)
  31         if revs:
  32             allrevs[len(allrevs):] = revs
  33     allrevs.sort()
  34     allrevs.reverse()
  35     for rev in allrevs:
  36         formatrev(rev, prefix)
  37
  38 parsedateprog = re.compile(
  39     '^date: ([0-9]+)/([0-9]+)/([0-9]+) ' +
  40     '([0-9]+):([0-9]+):([0-9]+);  author: ([^ ;]+)')
  41
  42 authormap = {
  43     'guido': 'Guido van Rossum  <guido@cnri.reston.va.us>',
  44     'jack': 'Jack Jansen  <jack@cwi.nl>',
  45     'sjoerd': 'Sjoerd Mullender  <sjoerd@cwi.nl>',
  46     }
  47
  48 def formatrev(rev, prefix):
  49     dateline, file, revline, log = rev
  50     if parsedateprog.match(dateline) >= 0:
  51         fields = parsedateprog.group(1, 2, 3, 4, 5, 6)
  52         author = parsedateprog.group(7)
  53         if authormap.has_key(author): author = authormap[author]
  54         tfields = map(string.atoi, fields) + [0, 0, 0]
  55         tfields[5] = tfields[5] - time.timezone
  56         t = time.mktime(tuple(tfields))
  57         print time.ctime(t), '', author
  58         words = string.split(log)
  59         words[:0] = ['*', prefix + file + ':']
  60         maxcol = 72-8
  61         col = maxcol
  62         for word in words:
  63             if col > 0 and col + len(word) >= maxcol:
  64                 print
  65                 print '\t' + word,
  66                 col = -1
  67             else:
  68                 print word,
  69             col = col + 1 + len(word)
  70         print
  71         print
  72
  73 startprog = re.compile("^Working file: (.*)$")
  74
  75 def getnextfile(f):
  76     while 1:
  77         line = f.readline()
  78         if not line: return None
  79         if startprog.match(line) >= 0:
  80             file = startprog.group(1)
  81             # Skip until first revision
  82             while 1:
  83                 line = f.readline()
  84                 if not line: return None
  85                 if line[:10] == '='*10: return None
  86                 if line[:10] == '-'*10: break
  87 ##              print "Skipped", line,
  88             return file
  89 ##      else:
  90 ##          print "Ignored", line,
  91
  92 def getnextrev(f, file):
  93     # This is called when we are positioned just after a '---' separator
  94     revline = f.readline()
  95     dateline = f.readline()
  96     log = ''
  97     while 1:
  98         line = f.readline()
  99         if not line: break
 100         if line[:10] == '='*10:
 101             # Ignore the *last* log entry for each file since it
 102             # is the revision since which we are logging.
 103             return None
 104         if line[:10] == '-'*10: break
 105         log = log + line
 106     return dateline, file, revline, log
 107
 108 if __name__ == '__main__':
 109     main()