474 def find(domain, localedir=None, languages=None, all=False):  argument
476     if localedir is None:
477         localedir = _default_localedir
501         mofile = os.path.join(localedir, lang, 'LC_MESSAGES', '%s.mo' % domain)
514 def translation(domain, localedir=None, languages=None,  argument
518     mofiles = find(domain, localedir, languages, all=True)
550 def install(domain, localedir=None, codeset=None, names=None):  argument
551     t = translation(domain, localedir, fallback=True, codeset=codeset)
571 def bindtextdomain(domain, localedir=None):  argument
573     if localedir is not None:
574         _localedirs[domain] = localedir