params.py 文件源码

def parse(self, argv):
        """
        Parse arguments.

        :param argv: arguments.
        """
        values = dict()

        self.data = None
        self._errors = list()

        for idx, param in enumerate(self.params):
            try:
                values[param['dest'] or param['name']] = self.parse_parameter(param, argv, idx)
            except ParamException as e:
                self._errors.append(str(e))

        self.data = Namespace(**values)