setup_logging.py 文件源码

def format(self, record):
        """Apply little arrow and colors to the record.

        Arrow and colors are only applied to sphinxcontrib.versioning log statements.

        :param logging.LogRecord record: The log record object to log.
        """
        formatted = super(ColorFormatter, self).format(record)
        if self.verbose or not record.name.startswith(self.SPECIAL_SCOPE):
            return formatted

        # Arrow.
        formatted = '=> ' + formatted

        # Colors.
        if not self.colors:
            return formatted
        if record.levelno >= logging.ERROR:
            formatted = str(colorclass.Color.red(formatted))
        elif record.levelno >= logging.WARNING:
            formatted = str(colorclass.Color.yellow(formatted))
        else:
            formatted = str(colorclass.Color.cyan(formatted))
        return formatted