arg_checker.py 文件源码

def is_valid_date(self, ignore_none=True):
        def check_is_valid_date(func_name, value):
            if ignore_none and value is None:
                return None
            if isinstance(value, (datetime.date, pd.Timestamp)):
                return
            if isinstance(value, six.string_types):
                try:
                    v = parse_date(value)
                except ValueError:
                    raise RQInvalidArgument(
                        _('function {}: invalid {} argument, expect a valid date, got {} (type: {})').format(
                            func_name, self._arg_name, value, type(value)
                        ))

            raise RQInvalidArgument(
                _('function {}: invalid {} argument, expect a valid date, got {} (type: {})').format(
                    func_name, self._arg_name, value, type(value)
                ))

        self._rules.append(check_is_valid_date)
        return self