data_proxy.py 文件源码

def required_validate(self):
        errors = {}
        for name, field in self.schema.fields.items():
            value = self._data[field.attribute or name]
            if field.required and value is missing:
                errors[name] = [_("Missing data for required field.")]
            elif hasattr(field, '_required_validate'):
                try:
                    field._required_validate(value)
                except ValidationError as exc:
                    errors[name] = exc.messages
        if errors:
            raise ValidationError(errors)

    # Standards iterators providing oo and mongo worlds views