mirror of https://github.com/zulip/zulip.git
20 lines
655 B
Python
20 lines
655 B
Python
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import pickle
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from functools import lru_cache
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from typing import Any, Dict
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from django_bmemcached.memcached import BMemcached
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@lru_cache(None)
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def _get_bmemcached(location: str, params: bytes) -> BMemcached:
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return BMemcached(location, pickle.loads(params))
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def SingletonBMemcached(location: str, params: Dict[str, Any]) -> BMemcached:
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# Django instantiates the cache backend per-task to guard against
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# thread safety issues, but BMemcached is already thread-safe and
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# does its own per-thread pooling, so make sure we instantiate only
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# one to avoid extra connections.
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return _get_bmemcached(location, pickle.dumps(params))
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