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