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README.md
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# fastapi-cache
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## Introduction
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`fastapi-cache` is a tool to cache fastapi response and function result, with backends support `redis` and `memcache`.
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## Features
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- Support `redis` and `memcache` .
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- Easily integration with `fastapi`.
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- Support http cache like `ETag` and `Cache-Control`.
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## Requirements
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- `asyncio` environment.
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- `redis` if use `RedisBackend`.
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- `memcache` if use `MemcacheBackend`.
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## Install
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```shell
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> pip install fastapi-cache2[redis]
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```
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or
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```shell
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> pip install fastapi-cache2[memcache]
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```
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## Usage
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### Quick Start
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```python
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import aioredis
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import uvicorn
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from fastapi import FastAPI
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from starlette.requests import Request
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from starlette.responses import Response
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from fastapi_cache import FastAPICache
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from fastapi_cache.backends.redis import RedisBackend
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from fastapi_cache.decorator import cache_response, cache
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app = FastAPI()
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@cache()
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async def get_cache():
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return 1
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@app.get("/")
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@cache_response(expire=60)
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async def index(request: Request, response: Response):
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return dict(hello="world")
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@app.on_event("startup")
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async def startup():
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redis = await aioredis.create_redis_pool("redis://localhost", encoding="utf8")
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FastAPICache.init(RedisBackend(redis), prefix="fastapi-cache")
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```
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### Use `cache_response`
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If you want cache `fastapi` response transparently, you can use cache_response as decorator between router decorator and view function and must pass `request` as param of view function.
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And if you want use `ETag` and `Cache-Control` features, you must pass `response` param also.
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### Use `cache`
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You can use `cache` as decorator like other cache tools to cache common function result.
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## License
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This project is licensed under the [Apache-2.0](https://github.com/long2ice/fastapi-cache/blob/master/LICENSE) License.
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