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52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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from datetime import datetime
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from typing import List, Optional
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from redis.asyncio import Redis
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from ..api import * # noqa: F403
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from ..config import RedisKVStoreConfig
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class RedisKVStoreImpl(KVStore):
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def __init__(self, config: RedisKVStoreConfig):
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self.config = config
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async def initialize(self) -> None:
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self.redis = Redis.from_url(self.config.url)
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def _namespaced_key(self, key: str) -> str:
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if not self.config.namespace:
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return key
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return f"{self.config.namespace}:{key}"
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async def set(
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self, key: str, value: str, expiration: Optional[datetime] = None
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) -> None:
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key = self._namespaced_key(key)
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await self.redis.set(key, value)
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if expiration:
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await self.redis.expireat(key, expiration)
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async def get(self, key: str) -> Optional[str]:
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key = self._namespaced_key(key)
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value = await self.redis.get(key)
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if value is None:
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return None
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ttl = await self.redis.ttl(key)
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return value
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async def delete(self, key: str) -> None:
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key = self._namespaced_key(key)
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await self.redis.delete(key)
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async def range(self, start_key: str, end_key: str) -> List[str]:
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start_key = self._namespaced_key(start_key)
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end_key = self._namespaced_key(end_key)
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return await self.redis.zrangebylex(start_key, end_key)
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