models.py 文件源码

def lock_delete(self):
        if self.products.exists():
            return _("Cannot delete category model, relationship between category model and products")
        elif self.features.exists():
            return _("Cannot delete category model, relationship between category model and features")
        elif self.attributes.exists():
            return _("Cannot delete category model, relationship between category model and attributes")
        elif self.feature_specials.exists():
            return _("Cannot delete category model, relationship between category model and feature special")
        elif self.subcategory.exists():
            return _("Cannot delete category model, relationship between category model and subcategories")
        else:
            return super(Category, self).lock_delete()


# subcategorias