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      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 (at] cnri.reston.va.us>',
     44     'jack': 'Jack Jansen  <jack (at] cwi.nl>',
     45     'sjoerd': 'Sjoerd Mullender  <sjoerd (at] 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()
    110