542 def find(domain, localedir=None, languages=None, all=False):  argument
544     if localedir is None:
545         localedir = _default_localedir
569         mofile = os.path.join(localedir, lang, 'LC_MESSAGES', '%s.mo' % domain)
583 def translation(domain, localedir=None, languages=None,  argument
587     mofiles = find(domain, localedir, languages, all=True)
626 def install(domain, localedir=None, codeset=_unspecified, names=None):  argument
627     t = translation(domain, localedir, fallback=True, codeset=codeset)
647 def bindtextdomain(domain, localedir=None):  argument
649     if localedir is not None:
650         _localedirs[domain] = localedir