ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/cmd/python/Tools/unicode/listcodecs.py/
""" List all available codec modules.
(c) Copyright 2005, Marc-Andre Lemburg ([email protected]).
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, 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 ']'