code: def get_redis_client(self):
          
          host = self.config['host']
          ports = self.config['ports']
          sentinel_ports = self.config['sentinel_ports']
          sentinel_name = self.config['sentinel_name']
          password = self.config['password']
          databases = self.config['databases']
  
          if not isinstance(ports, list):
              ports = [ports]
  
          if not isinstance(sentinel_ports, list):
              sentinel_ports = [sentinel_ports]
  
          if sentinel_ports:
              assert len(sentinel_ports) == len(ports)
          else:
              sentinel_ports = [None for _ in xrange(len(ports))]
  
          for port, sentinel_port in izip(ports, sentinel_ports):
              for db in xrange(0, int(databases)):
                  master = self.get_master(
                      host, port, sentinel_port, sentinel_name
                  )
                  pool = redis.ConnectionPool(
                      host=master[0], port=int(master[1]),
                      password=password, db=db
                  )
                  yield redis.Redis(connection_pool=pool), port, db
docs: :return: Redis client