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This ensures that any syntax issues are caught early (by type checkers and tests). Backends that are missing dependencies are skipped. By importing, this exposed an issue where the redis type annotations raised an exception, which has been fixed by using forward annotations. To help avoid import dependency hell, the Backend ABC has been moved to `fastapi_cache.types`. In the process, it has been made an actual ABC.
23 lines
722 B
Python
23 lines
722 B
Python
from typing import Optional, Tuple
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from aiomcache import Client
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from fastapi_cache.types import Backend
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class MemcachedBackend(Backend):
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def __init__(self, mcache: Client):
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self.mcache = mcache
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async def get_with_ttl(self, key: str) -> Tuple[int, Optional[bytes]]:
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return 3600, await self.get(key)
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async def get(self, key: str) -> Optional[bytes]:
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return await self.mcache.get(key.encode())
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async def set(self, key: str, value: bytes, expire: Optional[int] = None) -> None:
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await self.mcache.set(key.encode(), value, exptime=expire or 0)
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async def clear(self, namespace: Optional[str] = None, key: Optional[str] = None) -> int:
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raise NotImplementedError
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