Fix `TemplateDoesNotExist` when using `django-nested-admin` by returning custom template for other third-party packages. #341 (#342)

admin_interface/templatetags/admin_interface_tags.py

@@ -74,6 +74,9 @@ def get_admin_interface_setting(setting):
 @register.simple_tag()
 def get_admin_interface_inline_template(template):
     template_path = template.split("/")
+    if template_path[0] != "admin":
+        # return costume inline template for other packages
+        return template
     template_path[-1] = "headerless_" + template_path[-1]
     return "/".join(template_path)
 

tests/test_templatetags.py

@@ -131,6 +131,10 @@ class AdminInterfaceTemplateTagsTestCase(TestCase):
             "admin/edit_inline/stacked.html"
         )
         self.assertEqual(headless_template, "admin/edit_inline/headerless_stacked.html")
+        headless_template = templatetags.get_admin_interface_inline_template(
+            "nesting/admin/inlines/tabular.html"
+        )
+        self.assertEqual(headless_template, "nesting/admin/inlines/tabular.html")
 
     def test_get_active_date_hierarchy_none(self):
         changelist = Mock()