def get_otto_limiter(self):
domains = self.cache.get_domain_limiters()
limiter = None
if domains:
limiter = Limiter(
*domains,
redis=self.redis,
expiration_in_seconds=self.config.LIMITER_LOCKS_EXPIRATION)
limiter.subscribe_to_lock_miss(self.handle_limiter_miss)
return limiter
