74 строки
2.7 KiB
Python
74 строки
2.7 KiB
Python
# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is Mozilla build system.
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#
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# The Initial Developer of the Original Code is
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# Mozilla Foundation.
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# Portions created by the Initial Developer are Copyright (C) 2009
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Ted Mielczarek <ted.mielczarek@gmail.com>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisiwons above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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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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