- Notifications
You must be signed in to change notification settings - Fork61
Simple LRU cache for asyncio
License
aio-libs/async-lru
Folders and files
| Name | Name | Last commit message | Last commit date | |
|---|---|---|---|---|
Repository files navigation
| info: | Simple lru cache for asyncio |
|---|
pip install async-lru
This package is a port of Python's built-infunctools.lru_cache function forasyncio. To better handle async behaviour, it also ensures multiple concurrent calls will only result in 1 call to the wrapped function, with allawaits receiving the result of that call when it completes.
importasyncioimportaiohttpfromasync_lruimportalru_cache@alru_cache(maxsize=32)asyncdefget_pep(num):resource='http://www.python.org/dev/peps/pep-%04d/'%numasyncwithaiohttp.ClientSession()assession:try:asyncwithsession.get(resource)ass:returnawaits.read()exceptaiohttp.ClientError:return'Not Found'asyncdefmain():fornin8,290,308,320,8,218,320,279,289,320,9991:pep=awaitget_pep(n)print(n,len(pep))print(get_pep.cache_info())# CacheInfo(hits=3, misses=8, maxsize=32, currsize=8)# closing is optional, but highly recommendedawaitget_pep.cache_close()asyncio.run(main())
TTL (time-to-live in seconds, expiration on timeout) is supported by accepting ttl configurationparameter (off by default):
@alru_cache(ttl=5)asyncdeffunc(arg):returnarg*2
The library supports explicit invalidation for specific function call bycache_invalidate():
@alru_cache(ttl=5)asyncdeffunc(arg1,arg2):returnarg1+arg2func.cache_invalidate(1,arg2=2)
The method returns True if corresponding arguments set was cached already, Falseotherwise.
The library was donated byOcean S.A.
Thanks to the company for contribution.
About
Simple LRU cache for asyncio
Topics
Resources
License
Code of conduct
Security policy
Uh oh!
There was an error while loading.Please reload this page.
Stars
Watchers
Forks
Uh oh!
There was an error while loading.Please reload this page.