""" List all available codec modules.
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(c) Copyright 2005, Marc-Andre Lemburg (mal@lemburg.com).
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Licensed to PSF under a Contributor Agreement.
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"""
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import os, codecs, encodings
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_debug = 0
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def listcodecs(dir):
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names = []
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for filename in os.listdir(dir):
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if filename[-3:] != '.py':
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continue
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name = filename[:-3]
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# Check whether we've found a true codec
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try:
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codecs.lookup(name)
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except LookupError:
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# Codec not found
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continue
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except Exception as reason:
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# Probably an error from importing the codec; still it's
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# a valid code name
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if _debug:
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print('* problem importing codec %r: %s' % \
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(name, reason))
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names.append(name)
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return names
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if __name__ == '__main__':
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names = listcodecs(encodings.__path__[0])
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names.sort()
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print('all_codecs = [')
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for name in names:
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print(' %r,' % name)
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print(']')
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