tests/md5sum.py
author Pierre-Yves David <pierre-yves.david@logilab.fr>
Thu, 18 Apr 2013 15:27:50 +0200
changeset 19048 1163ff06ce89
parent 14494 1ffeeb91c55d
child 25660 328739ea70c3
permissions -rwxr-xr-x
histedit: more precise user message when changeset is missing Now that we explicitly detect duplicated changesets, we can explicitly detect missing ones. We cover the same cases as before, some others and we offer a better error message in all cases.

#!/usr/bin/env python
#
# Based on python's Tools/scripts/md5sum.py
#
# This software may be used and distributed according to the terms
# of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is
# GPL-compatible.

import sys, os

try:
    from hashlib import md5
except ImportError:
    from md5 import md5

try:
    import msvcrt
    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
    msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
except ImportError:
    pass

for filename in sys.argv[1:]:
    try:
        fp = open(filename, 'rb')
    except IOError, msg:
        sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
        sys.exit(1)

    m = md5()
    try:
        while True:
            data = fp.read(8192)
            if not data:
                break
            m.update(data)
    except IOError, msg:
        sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
        sys.exit(1)
    sys.stdout.write('%s  %s\n' % (m.hexdigest(), filename))

sys.exit(0)