Mercurial > cpython-lru_cache-weakref

annotate Tools/unicode/listcodecs.py @ 58689:514b56efd89a 3.1

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Merged revisions 77962 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r77962 | r.david.murray | 2010-02-04 11:41:57 -0500 (Thu, 04 Feb 2010) | 17 lines Merged revisions 77943,77959-77960 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r77943 | r.david.murray | 2010-02-03 08:36:23 -0500 (Wed, 03 Feb 2010) | 2 lines Explicitly mention the default value for formatdate's usegmt parameter. ........ r77959 | nick.coghlan | 2010-02-04 07:43:58 -0500 (Thu, 04 Feb 2010) | 1 line Issue 6760: Clarify args handling for subprocess.Popen. Patch by Chris Rebert ........ r77960 | r.david.murray | 2010-02-04 11:33:31 -0500 (Thu, 04 Feb 2010) | 2 lines Add Chris Rebert to ACKS for issue 6760 Popen doc improvements. ........ ................
author R. David Murray <rdmurray@bitdance.com>
date Thu, 04 Feb 2010 16:44:31 +0000
parents 46625e6122e9
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1 """ List all available codec modules.
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2
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3 (c) Copyright 2005, Marc-Andre Lemburg (mal@lemburg.com).
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4
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5 Licensed to PSF under a Contributor Agreement.
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6
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7 """
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8
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9 import os, codecs, encodings
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10
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11 _debug = 0
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12
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13 def listcodecs(dir):
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14 names = []
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15 for filename in os.listdir(dir):
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16 if filename[-3:] != '.py':
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17 continue
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18 name = filename[:-3]
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19 # Check whether we've found a true codec
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20 try:
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21 codecs.lookup(name)
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22 except LookupError:
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23 # Codec not found
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24 continue
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25 except Exception as reason:
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26 # Probably an error from importing the codec; still it's
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27 # a valid code name
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28 if _debug:
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29 print('* problem importing codec %r: %s' % \
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30 (name, reason))
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31 names.append(name)
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32 return names
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33
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35 if __name__ == '__main__':
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36 names = listcodecs(encodings.__path__[0])
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37 names.sort()
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38 print('all_codecs = [')
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39 for name in names:
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40 print(' %r,' % name)
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41 print(']')