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#! /usr/local/bin/python
import regex
import regsub
import glob
import sys
import os
import stat
import getopt
oldcprt = """\
Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands."""
newcprt = """\
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
The Netherlands."""
oldprog = regex.compile(oldcprt)
newprog = regex.compile(newcprt)
HEADSIZE = 1024
def main():
opts, args = getopt.getopt(sys.argv[1:], 'y:')
agelimit = 0L
for opt, arg in opts:
if opt == '-y':
agelimit = os.stat(arg)[stat.ST_MTIME]
if not args:
args = glob.glob('*.[ch]')
for file in args:
try:
age = os.stat(file)[stat.ST_MTIME]
except os.error, msg:
print file, ': stat failed :', msg
continue
if age <= agelimit:
print file, ': too old, skipped'
continue
try:
f = open(file, 'r')
except IOError, msg:
print file, ': open failed :', msg
continue
head = f.read(HEADSIZE)
if oldprog.search(head) < 0:
if newprog.search(head) < 0:
print file, ': NO COPYRIGHT FOUND'
else:
print file, ': (new copyright already there)'
f.close()
continue
newhead = regsub.sub(oldcprt, newcprt, head)
data = newhead + f.read()
f.close()
try:
f = open(file + '.new', 'w')
except IOError, msg:
print file, ': creat failed :', msg
continue
f.write(data)
f.close()
try:
os.rename(file, file + '~')
except IOError, msg:
print file, ': rename to backup failed :', msg
continue
try:
os.rename(file + '.new', file)
except IOError, msg:
print file, ': rename from .new failed :', msg
continue
print file, ': copyright changed.'
main()
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