Surely it's just: client = pymemcache.client.Client(('127.0.0.1', 11211)) cache_wrapper = ring.memcache if some_condition else ring.whatever @cache_w

Surely it's just: client = pymemcache.client.Client(('127.0.0.1', 11211)) cache_wrapper = ring.memcache if some_condition else ring.whatever @cache_wrapper(...) def ...