""" 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, 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 ']'