|  | @@ -0,0 +1,432 @@
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				|  |  | +import traceback
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				|  |  | +import time
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				|  |  | +import redis
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				|  |  | +from config import set_config
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				|  |  | +from log import Log
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				|  |  | +
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				|  |  | +config_ = set_config()
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				|  |  | +log_ = Log()
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				|  |  | +
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				|  |  | +conn_redis = None
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				|  |  | +
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				|  |  | +
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				|  |  | +class RedisHelper(object):
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				|  |  | +    def __init__(self, params=None, redis_info=config_.REDIS_INFO):
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				|  |  | +        """
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				|  |  | +        初始化redis连接信息
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				|  |  | +        redis_info: redis连接信息, 格式:dict, {'host': '', 'port': '', 'password': ''}
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				|  |  | +        """
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				|  |  | +        self.redis_info = redis_info
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				|  |  | +        self.host = redis_info['host']
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				|  |  | +        self.port = redis_info['port']
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				|  |  | +        self.password = redis_info['password']
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				|  |  | +        self.params = params
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				|  |  | +
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				|  |  | +    def connect(self):
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				|  |  | +        """
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				|  |  | +        连接redis
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				|  |  | +        :return: conn
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				|  |  | +        """
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				|  |  | +        global conn_redis
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				|  |  | +        if conn_redis is None:
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				|  |  | +            pool = redis.ConnectionPool(host=self.host,
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				|  |  | +                                        port=self.port,
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				|  |  | +                                        password=self.password,
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				|  |  | +                                        decode_responses=True)
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				|  |  | +            conn = redis.Redis(connection_pool=pool)
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				|  |  | +            conn_redis = conn
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				|  |  | +        return conn_redis
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				|  |  | +
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				|  |  | +    def key_exists(self, key_name):
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				|  |  | +        """
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				|  |  | +        判断key是否存在
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				|  |  | +        :param key_name: key
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				|  |  | +        :return: 存在-True, 不存在-False
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        res = conn.exists(key_name)
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'get_data_from_redis',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +        return res
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				|  |  | +
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				|  |  | +    def del_keys(self, key_name):
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				|  |  | +        """
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				|  |  | +        删除key
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				|  |  | +        :param key_name: key
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				|  |  | +        :return: None
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				|  |  | +        """
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				|  |  | +        conn = self.connect()
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				|  |  | +        conn.delete(key_name)
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				|  |  | +
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				|  |  | +    def get_data_from_redis(self, key_name):
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				|  |  | +        """
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				|  |  | +        读取redis中的数据
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				|  |  | +        :param key_name: key
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				|  |  | +        :return: data
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        if not conn.exists(key_name):
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				|  |  | +            # key不存在
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				|  |  | +            return None
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				|  |  | +        data = conn.get(key_name)
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'get_data_from_redis',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +        return data
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				|  |  | +
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				|  |  | +    def set_data_to_redis(self, key_name, value, expire_time=24*3600):
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				|  |  | +        """
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				|  |  | +        新增数据
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				|  |  | +        :param key_name: key
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				|  |  | +        :param value: 元素的值 videoId
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				|  |  | +        :param expire_time: 过期时间,单位:s,默认1天
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				|  |  | +        :return: None
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        conn.set(key_name, value, ex=int(expire_time))
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'set_data_to_redis',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000})
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				|  |  | +
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				|  |  | +    def add_data_with_zset(self, key_name, data, expire_time=7*24*3600):
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				|  |  | +        """
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				|  |  | +        新增数据,有序set
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				|  |  | +        :param key_name: key
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				|  |  | +        :param data: 元素的值及对应分数 type-dict  {value: score}
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				|  |  | +        :param expire_time: 过期时间,单位:s,默认7天,type-int
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				|  |  | +        :return: None
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        conn.zadd(key_name, data)
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				|  |  | +        # 设置过期时间
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				|  |  | +        conn.expire(key_name, int(expire_time))
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'add_data_with_zset',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +
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				|  |  | +    def get_data_zset_with_index(self, key_name, start, end, desc=True, with_scores=False):
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				|  |  | +        """
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				|  |  | +        根据索引位置获取元素的值
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				|  |  | +        :param key_name: key
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				|  |  | +        :param start: 索引起始点 闭区间,包含start
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				|  |  | +        :param end: 索引结束点 闭区间,包含end
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				|  |  | +        :param desc: 分数排序方式,默认从大到小
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				|  |  | +        :param with_scores: 是否获取元素的分数,默认 False,只获取元素的值
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				|  |  | +        :return: data 元素值列表(不包含分数),value(videoId)类型转换为int, 包含分数时不进行类型转换
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        if not conn.exists(key_name):
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				|  |  | +            return None
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				|  |  | +        data = conn.zrange(key_name, start, end, desc, with_scores)
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				|  |  | +        if with_scores:
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				|  |  | +            data = data
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				|  |  | +        else:
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				|  |  | +            data = [eval(value) for value in data]
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				|  |  | +
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'get_data_zset_with_index',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +        return data
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				|  |  | +
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				|  |  | +    def get_all_data_from_zset(self, key_name, desc=True, with_scores=False):
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				|  |  | +        """
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				|  |  | +        获取zset中所有元素的值
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				|  |  | +        :param key_name: key
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				|  |  | +        :param desc: 分数排序方式,默认从大到小
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				|  |  | +        :param with_scores: 是否获取元素的分数,默认 False,只获取元素的值
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				|  |  | +        :return: data 元素值列表(不包含分数),value(videoId)类型转换为int, 包含分数时不进行类型转换
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				|  |  | +        """
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				|  |  | +        conn = self.connect()
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				|  |  | +        if not conn.exists(key_name):
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				|  |  | +            return None
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				|  |  | +        data = []
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				|  |  | +        start = 0
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				|  |  | +        step = 100
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				|  |  | +        while True:
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				|  |  | +            end = start + step - 1
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				|  |  | +            temp = conn.zrange(key_name, start, end, desc, with_scores)
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				|  |  | +            if not temp:
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				|  |  | +                break
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				|  |  | +            data.extend(temp)
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				|  |  | +            start += step
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				|  |  | +        return data
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				|  |  | +
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				|  |  | +    def get_score_with_value(self, key_name, value):
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				|  |  | +        """
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				|  |  | +        在zset中,根据元素的value获取对应的score
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				|  |  | +        :param key_name: key
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				|  |  | +        :param value: 元素的值
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				|  |  | +        :return: score value对应的score
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				|  |  | +        """
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				|  |  | +        conn = self.connect()
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				|  |  | +        if not conn.exists(key_name):
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				|  |  | +            return None
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				|  |  | +        return conn.zscore(key_name, value)
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				|  |  | +
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				|  |  | +    def get_rank_with_value(self, key_name, value, desc=False):
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				|  |  | +        """
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				|  |  | +        在zset中,根据元素的value获取对应排名
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				|  |  | +        :param key_name: key
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				|  |  | +        :param value: 元素的值
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				|  |  | +        :param desc: 是否倒序 type-bool 默认:False-按照score从小到大
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				|  |  | +        :return: rank value对应的rank,从0开始,不存在返回None
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				|  |  | +        """
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				|  |  | +        conn = self.connect()
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				|  |  | +        if not conn.exists(key_name):
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				|  |  | +            return None
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				|  |  | +        if desc is True:
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				|  |  | +            return conn.zrevrank(key_name, value)
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				|  |  | +        else:
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				|  |  | +            return conn.zrank(key_name, value)
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				|  |  | +
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				|  |  | +    def update_score_with_value(self, key_name, value, score, expire_time=24*3600):
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				|  |  | +        """
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				|  |  | +        在zset中,修改元素value对应的score
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				|  |  | +        :param key_name: key
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				|  |  | +        :param value: 元素的值
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				|  |  | +        :param score: value对应的score更新值
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				|  |  | +        :param expire_time: 过期时间,单位:s,默认1天,type-int
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				|  |  | +        """
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				|  |  | +        conn = self.connect()
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				|  |  | +        if conn.exists(key_name):
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				|  |  | +            conn.zadd(key_name, {value: score})
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				|  |  | +        else:
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				|  |  | +            # key不存在时,需设置过期时间
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				|  |  | +            conn.zadd(key_name, {value: score})
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				|  |  | +            conn.expire(key_name, int(expire_time))
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				|  |  | +
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				|  |  | +    def remove_value_from_zset(self, key_name, value):
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				|  |  | +        """
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				|  |  | +        删除zset中的指定元素
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				|  |  | +        :param key_name: key
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				|  |  | +        :param value: 元素的值
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				|  |  | +        :return: None
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        res = conn.zrem(key_name, value)
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'remove_value_from_zset',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +        return res
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				|  |  | +
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				|  |  | +    def get_index_with_data(self, key_name, value):
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				|  |  | +        """
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				|  |  | +        根据元素的值获取在有序set中的位置,按照分数倒序(从大到小)
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				|  |  | +        :param key_name: key
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				|  |  | +        :param value: 元素的值
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				|  |  | +        :return: idx 位置索引
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				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        res = conn.zrevrank(key_name, value)
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'get_index_with_data',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +        return res
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				|  |  | +
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				|  |  | +    def get_data_from_set(self, key_name):
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				|  |  | +        """
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				|  |  | +        获取set中的所有数据
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				|  |  | +        :param key_name: key
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				|  |  | +        :return: data
 | 
	
		
			
				|  |  | +        """
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				|  |  | +        # start_time = time.time()
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				|  |  | +        conn = self.connect()
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				|  |  | +        if not conn.exists(key_name):
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				|  |  | +            # key不存在
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				|  |  | +            return None
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				|  |  | +        data = []
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				|  |  | +        cursor = 0
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				|  |  | +        while True:
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				|  |  | +            cur, temp = conn.sscan(key_name, cursor=cursor, count=2000)
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				|  |  | +            data.extend(temp)
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				|  |  | +            if cur == 0:
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				|  |  | +                break
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				|  |  | +            cursor = cur
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				|  |  | +
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				|  |  | +        # if self.params is not None:
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				|  |  | +        #     log_.info({
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				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
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				|  |  | +        #         'request_id': self.params.request_id,
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				|  |  | +        #         'operation': 'get_data_from_set',
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				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
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				|  |  | +        #     })
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				|  |  | +        return list(set(data))
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				|  |  | +
 | 
	
		
			
				|  |  | +    def add_data_with_set(self, key_name, values, expire_time=30*60):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        新增数据,set
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param values: 要添加的元素  类型-tuple
 | 
	
		
			
				|  |  | +        :param expire_time: 过期时间,单位:s,默认0.5小时 type-int
 | 
	
		
			
				|  |  | +        :return: None
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        # start_time = time.time()
 | 
	
		
			
				|  |  | +        conn = self.connect()
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				|  |  | +        conn.sadd(key_name, *values)
 | 
	
		
			
				|  |  | +        # 设置过期时间
 | 
	
		
			
				|  |  | +        conn.expire(key_name, int(expire_time))
 | 
	
		
			
				|  |  | +        # if self.params is not None:
 | 
	
		
			
				|  |  | +        #     log_.info({
 | 
	
		
			
				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
 | 
	
		
			
				|  |  | +        #         'request_id': self.params.request_id,
 | 
	
		
			
				|  |  | +        #         'operation': 'add_data_with_set',
 | 
	
		
			
				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
 | 
	
		
			
				|  |  | +        #     })
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def data_exists_with_set(self, key_name, value):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        判断元素value是否在集合key_name中
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param value: 需判断的元素
 | 
	
		
			
				|  |  | +        :return: 存在-True, 不存在-False
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        # start_time = time.time()
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        res = conn.sismember(key_name, value)
 | 
	
		
			
				|  |  | +        # if self.params is not None:
 | 
	
		
			
				|  |  | +        #     log_.info({
 | 
	
		
			
				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
 | 
	
		
			
				|  |  | +        #         'request_id': self.params.request_id,
 | 
	
		
			
				|  |  | +        #         'operation': 'data_exists_with_set',
 | 
	
		
			
				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
 | 
	
		
			
				|  |  | +        #     })
 | 
	
		
			
				|  |  | +        return res
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def get_data_with_count_from_set(self, key_name, count=1):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        从set中随机获取元素,并放回
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param count: 获取个数, 默认为1
 | 
	
		
			
				|  |  | +        :return:
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        data = conn.srandmember(name=key_name, number=count)
 | 
	
		
			
				|  |  | +        return data
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def remove_value_from_set(self, key_name, values):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        删除set中的指定元素
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param values: 元素的值, 类型-tuple
 | 
	
		
			
				|  |  | +        :return: None
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        # start_time = time.time()
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        res = conn.srem(key_name, *values)
 | 
	
		
			
				|  |  | +        # if self.params is not None:
 | 
	
		
			
				|  |  | +        #     log_.info({
 | 
	
		
			
				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
 | 
	
		
			
				|  |  | +        #         'request_id': self.params.request_id,
 | 
	
		
			
				|  |  | +        #         'operation': 'remove_value_from_set',
 | 
	
		
			
				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
 | 
	
		
			
				|  |  | +        #     })
 | 
	
		
			
				|  |  | +        return res
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def decr_key(self, key_name, amount=1, expire_time=30*60):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        redis自减
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param amount: 自减数,默认为1,type-int
 | 
	
		
			
				|  |  | +        :param expire_time: 过期时间,单位:s,默认0.5小时 type-int
 | 
	
		
			
				|  |  | +        :return: None
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        # start_time = time.time()
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        conn.decr(name=key_name, amount=amount)
 | 
	
		
			
				|  |  | +        conn.expire(key_name, int(expire_time))
 | 
	
		
			
				|  |  | +        # if self.params is not None:
 | 
	
		
			
				|  |  | +        #     log_.info({
 | 
	
		
			
				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
 | 
	
		
			
				|  |  | +        #         'request_id': self.params.request_id,
 | 
	
		
			
				|  |  | +        #         'operation': 'decr_key',
 | 
	
		
			
				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
 | 
	
		
			
				|  |  | +        #     })
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def incr_key(self, key_name, amount=1, expire_time=30*60):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        redis自增
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param amount: 自增数,默认为1,type-int
 | 
	
		
			
				|  |  | +        :param expire_time: 过期时间,单位:s,默认0.5小时 type-int
 | 
	
		
			
				|  |  | +        :return: None
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        # start_time = time.time()
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        conn.incr(name=key_name, amount=amount)
 | 
	
		
			
				|  |  | +        conn.expire(key_name, int(expire_time))
 | 
	
		
			
				|  |  | +        # if self.params is not None:
 | 
	
		
			
				|  |  | +        #     log_.info({
 | 
	
		
			
				|  |  | +        #         'logTimestamp': int(time.time() * 1000),
 | 
	
		
			
				|  |  | +        #         'request_id': self.params.request_id,
 | 
	
		
			
				|  |  | +        #         'operation': 'incr_key',
 | 
	
		
			
				|  |  | +        #         'executeTime': (time.time() - start_time) * 1000
 | 
	
		
			
				|  |  | +        #     })
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def setnx_key(self, key_name, value, expire_time=5*60):
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        当key不存在时,将value塞入key中,key存在时不做操作
 | 
	
		
			
				|  |  | +        :param key_name: key
 | 
	
		
			
				|  |  | +        :param value: value
 | 
	
		
			
				|  |  | +        :return: 过期时间,单位:s,默认5分钟 type-int
 | 
	
		
			
				|  |  | +        """
 | 
	
		
			
				|  |  | +        # start_time = time.time()
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        conn.setnx(name=key_name, value=value)
 | 
	
		
			
				|  |  | +        conn.expire(name=key_name, time=int(expire_time))
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    def get_batch_key(self, name_list):
 | 
	
		
			
				|  |  | +        conn = self.connect()
 | 
	
		
			
				|  |  | +        res = conn.mget(name_list)
 | 
	
		
			
				|  |  | +        return res
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +if __name__ == '__main__':
 | 
	
		
			
				|  |  | +    redis_helper = RedisHelper()
 | 
	
		
			
				|  |  | +    key_name = f"previewed:videos:5:aan7"
 | 
	
		
			
				|  |  | +    res = redis_helper.get_data_with_count_from_set(
 | 
	
		
			
				|  |  | +        key_name=key_name,
 | 
	
		
			
				|  |  | +        count=20)
 | 
	
		
			
				|  |  | +    print(res)
 | 
	
		
			
				|  |  | +    res1 = redis_helper.remove_value_from_set(key_name=key_name, values=tuple({'2881413'}))
 | 
	
		
			
				|  |  | +    print(res1)
 | 
	
		
			
				|  |  | +    res = redis_helper.get_data_with_count_from_set(
 | 
	
		
			
				|  |  | +        key_name=key_name,
 | 
	
		
			
				|  |  | +        count=20)
 | 
	
		
			
				|  |  | +    print(res)
 | 
	
		
			
				|  |  | +
 |