view tests/md5sum.py @ 46209:a51d345f1404

upgrade: move optimization addition to determineactions() The documentation of `determineactions()` mention that it is given a list returned from `findoptimizations()` however it was not true before this patch. The code extending actions with optimizations also mentioned about it that this should be in determineactions. So let's do what comments at couple of places say. Differential Revision: https://phab.mercurial-scm.org/D9615
author Pulkit Goyal <7895pulkit@gmail.com>
date Wed, 16 Dec 2020 14:06:24 +0530
parents c102b704edb5
children 6000f5b25c9b
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#!/usr/bin/env python3
#
# 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.

from __future__ import absolute_import

import hashlib
import os
import sys

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 as msg:
        sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
        sys.exit(1)

    m = hashlib.md5()
    try:
        for data in iter(lambda: fp.read(8192), b''):
            m.update(data)
    except IOError as 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)