Don't populate ObjectTypes during migration

netbox/core/migrations/0017_concrete_objecttype.py

@@ -3,23 +3,6 @@ import django.db.models.deletion
 from django.db import migrations, models
 
 
-def populate_object_types(apps, schema_editor):
-    """
-    Create an ObjectType record for each valid ContentType.
-    """
-    ContentType = apps.get_model('contenttypes', 'ContentType')
-    ObjectType = apps.get_model('core', 'ObjectType')
-
-    for ct in ContentType.objects.all():
-        try:
-            # Validate ContentType
-            apps.get_model(ct.app_label, ct.model)
-        except LookupError:
-            continue
-        # TODO assign public/features
-        ObjectType(pk=ct.pk, features=[]).save_base(raw=True)
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -69,9 +52,4 @@ class Migration(migrations.Migration):
             bases=('contenttypes.contenttype',),
             managers=[],
         ),
-        # Create an ObjectType record for each ContentType
-        migrations.RunPython(
-            code=populate_object_types,
-            reverse_code=migrations.RunPython.noop,
-        ),
     ]

netbox/core/models/contenttypes.py

@@ -22,8 +22,6 @@ class ObjectTypeQuerySet(models.QuerySet):
         if (app_label := kwargs.get('app_label')) and (model := kwargs.get('model')):
             try:
                 kwargs['contenttype_ptr'] = ContentType.objects.get(app_label=app_label, model=model)
-                kwargs.pop('app_label')
-                kwargs.pop('model')
             except ObjectDoesNotExist:
                 pass
         return super().create(**kwargs)

netbox/core/signals.py

@@ -62,16 +62,14 @@ def update_object_types(sender, **kwargs):
             ot = ObjectType.objects.get_by_natural_key(app_label=app_label, model=model_name)
             ot.public = is_public
             ot.features = features
+            ot.save()
         except ObjectDoesNotExist:
-            ct = ContentType.objects.get_for_model(model)
+            ObjectType.objects.create(
-            ot = ObjectType(
-                contenttype_ptr=ct,
                 app_label=app_label,
                 model=model_name,
                 public=is_public,
                 features=features,
             )
-        ot.save()
 
 
 @receiver(post_save, sender=ContentType)