FastAPI Cache
Implements simple lightweight cache system as dependencies in FastAPI.
Installation
pip install fastapi-cache
Usage example
from fastapi import Depends, FastAPI
from fastapi_cache import caches, close_caches
from fastapi_cache.backends.redis import CACHE_KEY, RedisCacheBackend
app = FastAPI()
def redis_cache():
return caches.get(CACHE_KEY)
@app.get('/')
async def hello(
cache: RedisCacheBackend = Depends(redis_cache)
):
in_cache = await cache.get('some_cached_key')
if not in_cache:
await cache.set('some_cached_key', 'new_value', 5)
return {'response': in_cache or 'default'}
@app.on_event('startup')
async def on_startup() -> None:
rc = RedisCacheBackend('redis://redis')
caches.set(CACHE_KEY, rc)
@app.on_event('shutdown')
async def on_shutdown() -> None:
await close_caches()
TODO
- Add tests
-
Add registry decorator - Add dependency for requests caching
Acknowledgments
- Balburdia
- xobtoor
Changelog
- 0.0.6 Added typings for backends. Specific arguments now need to be passed through **kwargs. Set default encoding to utf-8 for redis backend, removed default TTL for redis keys.
![How to pass a KEYS pattern when get cache [Redis Backend]?](https://avatars.githubusercontent.com/u/2589856?v=4)
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