Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/findlinksto.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 981fff7363b9
children 6b18a095c2e7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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73758db2f464 /usr/local/bin/python -> /usr/bin/env python
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1 #! /usr/bin/env python
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2
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3 # findlinksto
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4 #
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5 # find symbolic links to a path matching a regular expression
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6
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7 import os
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8 import sys
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9 import re
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10 import getopt
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11
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12 def main():
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13 try:
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14 opts, args = getopt.getopt(sys.argv[1:], '')
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15 if len(args) < 2:
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16 raise getopt.GetoptError('not enough arguments', None)
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17 except getopt.GetoptError, msg:
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18 sys.stdout = sys.stderr
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19 print msg
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20 print 'usage: findlinksto pattern directory ...'
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21 sys.exit(2)
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22 pat, dirs = args[0], args[1:]
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23 prog = re.compile(pat)
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24 for dirname in dirs:
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25 os.path.walk(dirname, visit, prog)
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26
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27 def visit(prog, dirname, names):
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28 if os.path.islink(dirname):
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29 names[:] = []
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30 return
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31 if os.path.ismount(dirname):
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32 print 'descend into', dirname
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33 for name in names:
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34 name = os.path.join(dirname, name)
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35 try:
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36 linkto = os.readlink(name)
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37 if prog.search(linkto) is not None:
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38 print name, '->', linkto
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39 except os.error:
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40 pass
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41
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42 if __name__ == '__main__':
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43 main()