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https://gitlab.winehq.org/wine/wine-gecko.git
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41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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'''A generic script to add entries to a file
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if the entry does not already exist.
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Usage: buildlist.py <filename> <entry> [<entry> ...]
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'''
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import sys
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import os
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from utils import lockFile
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def addEntriesToListFile(listFile, entries):
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"""Given a file |listFile| containing one entry per line,
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add each entry in |entries| to the file, unless it is already
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present."""
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lock = lockFile(listFile + ".lck")
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try:
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if os.path.exists(listFile):
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f = open(listFile)
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existing = set([x.strip() for x in f.readlines()])
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f.close()
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else:
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existing = set()
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f = open(listFile, 'a')
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for e in entries:
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if e not in existing:
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f.write("%s\n" % e)
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existing.add(e)
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f.close()
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finally:
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lock = None
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if __name__ == '__main__':
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if len(sys.argv) < 3:
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print >>sys.stderr, "Usage: buildlist.py <list file> <entry> [<entry> ...]"
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sys.exit(1)
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addEntriesToListFile(sys.argv[1], sys.argv[2:])
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