logger.py 文件源码

def configure(self,
                  level=None, 
                  file_name=None,
                  file_mode='a',
                  time_format=None,
                  print_level=False,
                  stream=None,
                  reset_handlers=False):
        """
        Args:
          level: None to retain the original level of the logger
          file_name: None to print to console only
          file_mode: 'w' to override a file or 'a' to append
          time_format:
            - `dhms`: %m/%d %H:%M:%S
            - `dhm`: %m/%d %H:%M
            - `hms`: %H:%M:%S
            - `hm`: %H:%M
            - if contains '%', will be interpreted as a format string
              https://docs.python.org/3/library/logging.html#logrecord-attributes
            - None
          print_level: if True, display `INFO> ` before the message
          stream: 
            - stream object: defaults to sys.stderr
            - str: "out", "stdout", "err", or "stderr"
            - None: do not print to any stream
          reset_handlers: True to remove all old handlers

        Warning:
          always removes all previous handlers
        """
        if reset_handlers:
            self.remove_all_handlers()
        if level:
            self.logger.setLevel(level)
        self.add_stream_handler(stream, time_format, print_level)
        self.add_file_handler(file_name, file_mode, time_format, print_level)
        return self