""" 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 ']'