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lru_cache

lru cahe

Thread-safe lru cache decorator based on double link list and dictOrderedDict

how to install

pip install lru_cache

how to use

from cache import LruCache

# maxsize the max number of cache object
# timeout the max time(second) cache object stay
@LruCache(maxsize=2, timeout=1)
def foo(num):
    return num

# invalidate cache
foo.invalidate(num)

hint

  • timeout is not updated in real time

  • LruCache doesn't support unhashable obejct