数据太长Mysql和python

enter code here

def pacman(self):

     while True:

      while True:

        try:
            x1=self.sockfd.recv(2048)
            print x1
            print \"\\n hi\"
            conn.begin()
            x.execute(\"UPDATE location SET x=\'%s\'\"%(x1))
            print \"hi\"
            y1=self.sockfd.recv(2048)
            print y1
            x.execute(\"UPDATE location SET y=\'%s\'\"%(y1))
            conn.commit()

        except ValueError:
                   self.sockfd.send(\"\\nError202:That is not a valid Car Number\")