Created
October 31, 2012 17:06
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Redis Circular Buffer
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| class RedisCircularBuffer(object): | |
| def __init__(self, namespace, size): | |
| self.namespace = namespace | |
| self.size = size | |
| import redis | |
| self.redis = redis.Redis() | |
| def append(self, item): | |
| self.redis.lpush(self.namespace, item) | |
| self.redis.ltrim(self.namespace, 0, self.size) | |
| def __iter__(self): | |
| return (x for x in self.redis.lrange(self.namespace, 0, self.size)) | |
| def __len__(self): | |
| return self.redis.llen(self.namespace) | |
| def __repr__(self): | |
| return '[' + ','.join( | |
| repr(x) for x in self | |
| ) + ']' |
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This is great, thanks for sharing!