31 lines
766 B
Python
31 lines
766 B
Python
import time
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class Cache(dict):
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def __init__(self, ttl=10):
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self._ttl = ttl
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self._added = {}
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def get(self, key):
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if key in self._added:
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if self._added[key] < time.time():
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del self._added[key]
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del self[key]
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return
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return dict.__getitem__(self, key)
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def set(self, key, value, ttl=None):
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ttl = ttl or self._ttl
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self._added[key] = time.time() + ttl
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dict.__setitem__(self, key, value)
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def delete(self, key):
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if key in self._added:
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del self._added[key]
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del self[key]
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def clear(self, prefix):
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for key in list(self):
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if key.startswith(prefix):
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self.delete(key)
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