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mynameisfiber/limited_cache.py

Created February 4, 2013 21:11
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Simple dictionary caching object that limits the number of cached entries beingstored.
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limited_cache.py
"""
Simple dictionary caching object that limits the number of cached entries being
stored.
Micha Gorelick - http://micha.gd/
"""
from collections import OrderedDict
class LimitedCache(OrderedDict):
def __init__(self, maxsize=250):
self.maxsize = maxsize
super(LimitedCache, self).__init__()
def __setitem__(self, key, value):
while len(self) > self.maxsize:
self.popitem(last=False)
super(LimitedCache, self).__setitem__(key, value)
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