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cachecontrol
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//lib/python2.7/site-packages/pip/_vendor/cachecontrol/cache.py
""" The cache object API for implementing caches. The default is a thread safe in-memory dictionary. """ from threading import Lock class BaseCache(object): def get(self, key): raise NotImplementedError() def set(self, key, value): raise NotImplementedError() def delete(self, key): raise NotImplementedError() def close(self): pass class DictCache(BaseCache): def __init__(self, init_dict=None): self.lock = Lock() self.data = init_dict or {} def get(self, key): return self.data.get(key, None) def set(self, key, value): with self.lock: self.data.update({key: value}) def delete(self, key): with self.lock: if key in self.data: self.data.pop(key)
