annotate tests/md5sum.py @ 46387:c41ac8985fe4

perf: test the formatting of a command help Since we are about to addd ':' in command name I want this covered. Differential Revision: https://phab.mercurial-scm.org/D9871
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 25 Jan 2021 23:13:01 +0100
parents c102b704edb5
children 6000f5b25c9b
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1 #!/usr/bin/env python3
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2 #
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3 # Based on python's Tools/scripts/md5sum.py
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is
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7 # GPL-compatible.
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8
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9 from __future__ import absolute_import
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10
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11 import hashlib
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12 import os
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13 import sys
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14
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15 try:
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16 import msvcrt
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17
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18 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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19 msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
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20 except ImportError:
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21 pass
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22
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23 for filename in sys.argv[1:]:
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24 try:
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25 fp = open(filename, 'rb')
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26 except IOError as msg:
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27 sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
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28 sys.exit(1)
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29
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30 m = hashlib.md5()
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31 try:
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32 for data in iter(lambda: fp.read(8192), b''):
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33 m.update(data)
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34 except IOError as msg:
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35 sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
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36 sys.exit(1)
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37 sys.stdout.write('%s %s\n' % (m.hexdigest(), filename))
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38
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39 sys.exit(0)