346     def make_key(cls, args, kwds, kwd_mark = (object(),),  argument
352         if kwds:
395         def caching_wrapper(*args, **kwds):  argument
403             kwds['target'] = _implicit_target or gettg()
404             return c_setdef(key, fn(*args, **kwds))
406         def cached(*args, **kwds):  argument
411         def caching_wrapper(*args, **kwds):  argument
415             c_key  = make_key(args, kwds)
428             kwds['target'] = _implicit_target or gettg()
429             return tg_d.setdefault(c_key, fn(*args, **kwds))
431         def cached(*args, **kwds):  argument
435             return tg_d and tg_d.get(make_key(args, kwds), sentinel) != sentinel