36 lines
1009 B
Python
36 lines
1009 B
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import, unicode_literals
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from wechatpy.session import SessionStorage
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from wechatpy.utils import to_text
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from wechatpy.utils import json
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class RedisStorage(SessionStorage):
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def __init__(self, redis, prefix='wechatpy'):
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for method_name in ('get', 'set', 'delete'):
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assert hasattr(redis, method_name)
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self.redis = redis
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self.prefix = prefix
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def key_name(self, key):
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return '{0}:{1}'.format(self.prefix, key)
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def get(self, key, default=None):
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key = self.key_name(key)
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value = self.redis.get(key)
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if value is None:
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return default
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return json.loads(to_text(value))
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def set(self, key, value, ttl=None):
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if value is None:
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return
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key = self.key_name(key)
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value = json.dumps(value)
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self.redis.set(key, value, ex=ttl)
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def delete(self, key):
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key = self.key_name(key)
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self.redis.delete(key)
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