customizable identity attribute for ModelView URL generation

Author: QsdRty

sqladmin/models.py

@@ -92,7 +92,7 @@ def __new__(mcls, name, bases, attrs: dict, **kwargs: Any):
             )
 
         cls.pk_columns = get_primary_keys(model)
-        cls.identity = slugify_class_name(model.__name__)
+        cls.identity = slugify_class_name(attrs.get("identity", model.__name__))
         cls.model = model
 
         cls.name = attrs.get("name", prettify_class_name(cls.model.__name__))
@@ -738,8 +738,7 @@ def _url_for_delete(self, request: Request, obj: Any) -> str:
         pk = get_object_identifier(obj)
         query_params = urlencode({"pks": pk})
         url = request.url_for(
-            "admin:delete", identity=slugify_class_name(obj.__class__.__name__)
-        )
+            "admin:delete", identity=self.identity)
         return str(url) + "?" + query_params
 
     def _url_for_details_with_prop(self, request: Request, obj: Any, prop: str) -> URL:
@@ -754,7 +753,7 @@ def _url_for_action(self, request: Request, action_name: str) -> str:
     def _build_url_for(self, name: str, request: Request, obj: Any) -> URL:
         return request.url_for(
             name,
-            identity=slugify_class_name(obj.__class__.__name__),
+            identity=self.identity,
             pk=get_object_identifier(obj),
         )