Re-implemented 'finalize_response' with kind help from https://stacko…

…verflow.com/a/76808421/4500155

src/django_oapif/decorators.py

@@ -1,7 +1,7 @@
 from typing import Any, Callable, Dict, Optional
 
 from django.db.models import Model
-from rest_framework import response, viewsets
+from rest_framework import viewsets
 from rest_framework_gis.serializers import GeoFeatureModelSerializer
 
 from django_oapif.metadata import OAPIFMetadata
@@ -80,11 +80,15 @@ class Viewset(OAPIFDescribeModelViewSetMixin, viewsets.ModelViewSet):
  # Metadata
  metadata_class = OAPIFMetadata
 
- def options(self, request, *args, **kwargs) -> response.Response:
- allowed_actions = self.metadata_class().determine_actions(request, self)
- allowed_actions = ", ".join(allowed_actions.keys())
- data = self.metadata_class().determine_metadata(request, self)
- return response.Response(data, headers={"Allow": allowed_actions})
+ def finalize_response(self, request, response, *args, **kwargs):
+ response = super().finalize_response(request, response, *args, **kwargs)
+ if request.method == "OPTIONS":
+ allowed_actions = self.metadata_class().determine_actions(
+ request, self
+ )
+ allowed_actions = ", ".join(allowed_actions.keys())
+ response.headers["Allow"] = allowed_actions
+ return response
 
  # ON HOLD, WAITING ON GeoFeatureModelSerializer to admit of null geometries
  """