settings.py 文件源码

def setup_logging(self):
        if self.logging_path:
            logging.config.fileConfig(
                self.logging_path,
                disable_existing_loggers=False
            )

        if self.log_path is not None:
            old_file_handler = None
            for handler in logging.root.handlers[:]:
                if isinstance(handler, logging.FileHandler):
                    old_file_handler = handler
                    logging.root.removeHandler(handler)
            if old_file_handler is not None:
                file_handler = RotatingFileHandler(self.log_path, 'w+', 104857600, 100)
                file_handler.setFormatter(old_file_handler.formatter)
                logging.root.addHandler(file_handler)