Mercurial > hg
view tests/md5sum.py @ 12948:de6a28ff5ffc
mq: use sets instead of lists for speed
The code eventually converts data through sets to ensure unicity:
do it earlier to allow faster __contains__ lookups and avoid
`del l[l.index(x)]` kind of code.
author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
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date | Sun, 07 Nov 2010 22:03:28 +0900 |
parents | a6477aa893b8 |
children | 1ffeeb91c55d |
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#!/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 1: 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)