from __future__ import division
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from datetime import datetime
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from pip._vendor.cachecontrol.cache import BaseCache
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class RedisCache(BaseCache):
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def __init__(self, conn):
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self.conn = conn
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def get(self, key):
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return self.conn.get(key)
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def set(self, key, value, expires=None):
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if not expires:
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self.conn.set(key, value)
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else:
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expires = expires - datetime.utcnow()
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self.conn.setex(key, int(expires.total_seconds()), value)
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def delete(self, key):
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self.conn.delete(key)
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def clear(self):
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"""Helper for clearing all the keys in a database. Use with
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caution!"""
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for key in self.conn.keys():
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self.conn.delete(key)
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def close(self):
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"""Redis uses connection pooling, no need to close the connection."""
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pass
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