array.py 文件源码

def validate(self, value, model_instance):
        super(ArrayField, self).validate(value, model_instance)
        for index, part in enumerate(value):
            try:
                self.base_field.validate(part, model_instance)
            except exceptions.ValidationError as error:
                raise prefix_validation_error(
                    error,
                    prefix=self.error_messages['item_invalid'],
                    code='item_invalid',
                    params={'nth': index},
                )
        if isinstance(self.base_field, ArrayField):
            if len({len(i) for i in value}) > 1:
                raise exceptions.ValidationError(
                    self.error_messages['nested_array_mismatch'],
                    code='nested_array_mismatch',
                )