46 lines
977 B
Python
46 lines
977 B
Python
# -*- coding: utf-8 -*-
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'''
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Redis-based object cache
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The shove psuedo-URL for a redis cache is:
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redis://<host>:<port>/<db>
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'''
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import urlparse
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try:
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import redis
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except ImportError:
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raise ImportError('This store requires the redis library')
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from shove import Base
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class RedisCache(Base):
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'''Redis cache backend'''
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init = 'redis://'
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def __init__(self, engine, **kw):
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super(RedisCache, self).__init__(engine, **kw)
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spliturl = urlparse.urlsplit(engine)
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host, port = spliturl[1].split(':')
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db = spliturl[2].replace('/', '')
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self._store = redis.Redis(host, int(port), db)
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# Set timeout
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self.timeout = kw.get('timeout', 300)
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def __getitem__(self, key):
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return self.loads(self._store[key])
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def __setitem__(self, key, value):
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self._store.setex(key, self.dumps(value), self.timeout)
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def __delitem__(self, key):
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self._store.delete(key)
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__all__ = ['RedisCache']
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