test

  import logging
  
  
  def my_log():
      logger = logging.getLogger(‘mysql.log‘)
      # 每次被调用后打印出logger的handlers列表
      print(logger.handlers)
  
      ch = logging.StreamHandler()
      ch.setLevel(logging.ERROR)
      fmt = logging.Formatter(‘%(asctime)s - %(name)s - %(levelname)s - %(message)s‘)
      ch.setFormatter(fmt)
  
      logger.addHandler(ch)
  
      return logger
  
  
  my_log().error(‘run one‘)
  my_log().error(‘run two‘)
  my_log().error(‘run three‘)