turn a pile of RCS files into a ChangeLog file

diff --git a/Demo/pdist/makechangelog.py b/Demo/pdist/makechangelog.py
new file mode 100755 (executable)
index 0000000..ec7f116
--- /dev/null
+++ b/Demo/pdist/makechangelog.py
@@ -0,0 +1,109 @@
+#! /usr/local/bin/python
+
+"""Turn a pile of RCS log output into ChangeLog file entries.
+
+"""
+
+import sys
+import string
+import regex
+import getopt
+import time
+
+def main():
+    args = sys.argv[1:]
+    opts, args = getopt.getopt(args, 'p:')
+    prefix = ''
+    for o, a in opts:
+       if p == '-p': prefix = a
+
+    f = sys.stdin
+    allrevs = []
+    while 1:
+       file = getnextfile(f)
+       if not file: break
+       revs = []
+       while 1:
+           rev = getnextrev(f, file)
+           if not rev:
+               break
+           revs.append(rev)
+       if revs:
+           allrevs[len(allrevs):] = revs
+    allrevs.sort()
+    allrevs.reverse()
+    for rev in allrevs:
+       formatrev(rev, prefix)
+
+parsedateprog = regex.compile(
+    '^date: \([0-9]+\)/\([0-9]+\)/\([0-9]+\) ' +
+    '\([0-9]+\):\([0-9]+\):\([0-9]+\);  author: \([^ ;]+\)')
+
+authormap = {
+    'guido': 'Guido van Rossum  <guido@cnri.reston.va.us>',
+    'jack': 'Jack Jansen  <jack@cwi.nl>',
+    'sjoerd': 'Sjoerd Mullender  <sjoerd@cwi.nl>',
+    }
+
+def formatrev(rev, prefix):
+    dateline, file, revline, log = rev
+    if parsedateprog.match(dateline) >= 0:
+       fields = parsedateprog.group(1, 2, 3, 4, 5, 6)
+       author = parsedateprog.group(7)
+       if authormap.has_key(author): author = authormap[author]
+       tfields = map(string.atoi, fields) + [0, 0, 0]
+       tfields[5] = tfields[5] - time.timezone
+       t = time.mktime(tuple(tfields))
+       print time.ctime(t), '', author
+       words = string.split(log)
+       words[:0] = ['*', prefix + file + ':']
+       maxcol = 72-8
+       col = maxcol
+       for word in words:
+           if col > 0 and col + len(word) >= maxcol:
+               print
+               print '\t' + word,
+               col = -1
+           else:
+               print word,
+           col = col + 1 + len(word)
+       print
+       print
+
+startprog = regex.compile("^Working file: \(.*\)$")
+
+def getnextfile(f):
+    while 1:
+       line = f.readline()
+       if not line: return None
+       if startprog.match(line) >= 0:
+           file = startprog.group(1)
+           # Skip until first revision
+           while 1:
+               line = f.readline()
+               if not line: return None
+               if line[:10] == '='*10: return None
+               if line[:10] == '-'*10: break
+##             print "Skipped", line,
+           return file
+##     else:
+##         print "Ignored", line,
+
+def getnextrev(f, file):
+    # This is called when we are positioned just after a '---' separator
+    revline = f.readline()
+    dateline = f.readline()
+    log = ''
+    while 1:
+       line = f.readline()
+       if not line: break
+       if line[:10] == '='*10:
+           # Ignore the *last* log entry for each file since it
+           # is the revision since which we are logging.
+           return None
+       if line[:10] == '-'*10: break
+       log = log + line
+    return dateline, file, revline, log
+
+if __name__ == '__main__':
+    main()