states.py 文件源码

def parse_directive_arguments(self, directive, arg_block):
        required = directive.required_arguments
        optional = directive.optional_arguments
        arg_text = '\n'.join(arg_block)
        arguments = arg_text.split()
        if len(arguments) < required:
            raise MarkupError('%s argument(s) required, %s supplied'
                              % (required, len(arguments)))
        elif len(arguments) > required + optional:
            if directive.final_argument_whitespace:
                arguments = arg_text.split(None, required + optional - 1)
            else:
                raise MarkupError(
                    'maximum %s argument(s) allowed, %s supplied'
                    % (required + optional, len(arguments)))
        return arguments