cli.py 文件源码

def run(self, args=None, namespace=None):
        options = self.parser.parse_args(args=args, namespace=namespace)
        enable_pretty_logging()
        logger = logging.getLogger(__name__)

        # todo configure_logger() method ?
        if options.debug:
            logging.getLogger('root').setLevel(logging.INFO)
        if options.verbose:
            if options.verbose >= 1:
                logging.getLogger('root').setLevel(logging.DEBUG)
            if options.verbose >= 2:
                logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO if options.verbose < 2 else logging.DEBUG)

        try:
            handler = options.handler
        except AttributeError as e:
            if not callable(self.default_handler):
                raise
            handler = None

        return (handler or self.default_handler)(logger, options)