fields.py 文件源码

def _required_validate(self, value):
        if value is missing or not hasattr(self.container, '_required_validate'):
            return
        required_validate = self.container._required_validate
        errors = {}
        for i, sub_value in enumerate(value):
            try:
                required_validate(sub_value)
            except ValidationError as exc:
                errors[i] = exc.messages
        if errors:
            raise ValidationError(errors)