说明:Parser可以控制如何解析redis响应的内容。redis-py包含两个Parser类,PythonParser和HiredisParser。默认,如果已经安装了hiredis模块,redis-py会使用HiredisParser,否则会使用PythonParser。
HiredisParser是C编写的,由redis核心团队维护,性能要比PythonParser提高10倍以上,所以推荐使用。安装方法,使用easy_install:
[root@njdyw site-packages]#python2.7.3Python 2.7.3 (default, Mar 21 2013, 10:06:48)[GCC 4.1.2 20080704 (Red Hat 4.1.2-50)] on linux2Type "help", "copyright", "credits" or "license" for more information.>>>import redis>>>redisClient=redis.StrictRedis(host='127.0.0.1',port=6379,db=0)>>> redisClient.set('test_redis','Hello Python')True>>> value=redisClient.get('test_redis')>>> print valueHello Python>>> redisClient.delete('test_redis')True>>> value=redisClient.get('test_redis')>>> print valueNone >>> dir(redis)['AuthenticationError', 'Connection', 'ConnectionError', 'ConnectionPool', 'DataError', 'InvalidResponse', 'PubSubError', 'Redis', 'RedisError', 'ResponseError', 'StrictRedis', 'UnixDomainSocketConnection', 'VERSION', 'WatchError', '__all__', '__builtins__', '__doc__', '__file__', '__loader__', '__name__', '__package__', '__path__', '__version__', '_compat', 'client', 'connection', 'exceptions', 'from_url', 'utils']>>> redisClient=redis.StrictRedis(host='127.0.0.1',port=6379,db=0)>>> dir(redisClient)['RESPONSE_CALLBACKS', '__class__', '__contains__', '__delattr__', '__delitem__', '__dict__', '__doc__', '__format__', '__getattribute__', '__getitem__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_zaggregate', 'append', 'bgrewriteaof', 'bgsave', 'bitcount', 'bitop', 'blpop', 'brpop', 'brpoplpush', 'client_kill', 'client_list', 'config_get', 'config_set', 'connection_pool', 'dbsize', 'debug_object', 'decr', 'delete', 'echo', 'eval', 'evalsha', 'execute_command', 'exists', 'expire', 'expireat', 'flushall', 'flushdb', 'from_url', 'get', 'getbit', 'getrange', 'getset', 'hdel', 'hexists', 'hget', 'hgetall', 'hincrby', 'hincrbyfloat', 'hkeys', 'hlen', 'hmget', 'hmset', 'hset', 'hsetnx', 'hvals', 'incr', 'incrbyfloat', 'info', 'keys', 'lastsave', 'lindex', 'linsert', 'llen', 'lock', 'lpop', 'lpush', 'lpushx', 'lrange', 'lrem', 'lset', 'ltrim', 'mget', 'move', 'mset', 'msetnx', 'object', 'parse_response', 'persist', 'pexpire', 'pexpireat', 'ping', 'pipeline', 'pttl', 'publish', 'pubsub', 'randomkey', 'register_script', 'rename', 'renamenx', 'response_callbacks', 'rpop', 'rpoplpush', 'rpush', 'rpushx', 'sadd', 'save', 'scard', 'script_exists', 'script_flush', 'script_kill', 'script_load', 'sdiff', 'sdiffstore', 'set', 'set_response_callback', 'setbit', 'setex', 'setnx', 'setrange', 'shutdown', 'sinter', 'sinterstore', 'sismember', 'slaveof', 'smembers', 'smove', 'sort', 'spop', 'srandmember', 'srem', 'strlen', 'substr', 'sunion', 'sunionstore', 'time', 'transaction', 'ttl', 'type', 'unwatch', 'watch', 'zadd', 'zcard', 'zcount', 'zincrby', 'zinterstore', 'zrange', 'zrangebyscore', 'zrank', 'zrem', 'zremrangebyrank', 'zremrangebyscore', 'zrevrange', 'zrevrangebyscore', 'zrevrank', 'zscore', 'zunionstore']>>>