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expiring_lru_cache is a minimal drop-in replacement offunctools.lru_cache. Itallows the user to specify a time interval (in secs) after which the cache isinvalidated and reset.

Here an example cached function whose cache will invalidate after 10 seconds.

fromexpiring_lru_cacheimportlru_cache@lru_cache(expires_after=10)defmy_plus_one_func(x:int)->int:returnx+1

Here an example cached function whose cache will invalidate after 1 day. Note that theconvenience variablesMINUTES,HOURS andDAYS are available within theexpiring_lru_cache namespace.

fromexpiring_lru_cacheimportlru_cache,DAYS@lru_cache(expires_after=1*DAYS)defmy_plus_one_func(x:int)->int:returnx+1