logging.py 文件源码

def format(self, record: logging.LogRecord) -> str:
        """Return formatted string of log record.

        Args:
            record: The log record.

        Returns:
            Formatted string of log record.
        """
        try:
            record.asctime
        except AttributeError:
            record.asctime = self.formatTime(record, self.datefmt)

        try:
            record.message
        except AttributeError:
            record.message = record.msg

        s = '{} - {:>8} - {:>26} - {}'.format(record.asctime,
                                              record.levelname,
                                              record.name,
                                              record.message)

        return s