tests/md5sum.py
author Augie Fackler <augie@google.com>
Wed, 09 Oct 2019 20:49:58 -0700
changeset 43153 741fb1a95da2
parent 43076 2372284d9457
child 45830 c102b704edb5
permissions -rwxr-xr-x
fuzz: new target to fuzz jsonescapeu8fast This code just feels complicated enough we should go ahead and give it a dedicated fuzzer: we've found bugs in similar things before. Differential Revision: https://phab.mercurial-scm.org/D7034
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#!/usr/bin/env python
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#
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# Based on python's Tools/scripts/md5sum.py
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#
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# This software may be used and distributed according to the terms
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# of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is
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# GPL-compatible.
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from __future__ import absolute_import
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import hashlib
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import os
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import sys
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try:
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    import msvcrt
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    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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    msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
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except ImportError:
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    pass
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for filename in sys.argv[1:]:
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    try:
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        fp = open(filename, 'rb')
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    except IOError as msg:
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        sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
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        sys.exit(1)
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    m = hashlib.md5()
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    try:
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        for data in iter(lambda: fp.read(8192), b''):
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            m.update(data)
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    except IOError as msg:
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        sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
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        sys.exit(1)
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    sys.stdout.write('%s  %s\n' % (m.hexdigest(), filename))
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sys.exit(0)