Solution

cinema/serializers.py

@@ -28,8 +28,8 @@ def update(self, instance, validated_data):
 class CinemaHallSerializer(serializers.Serializer):
     id = serializers.IntegerField(read_only=True)
     name = serializers.CharField(max_length=255)
-    rows = serializers.IntegerField(read_only=True)
-    seats_in_row = serializers.IntegerField(read_only=True)
+    rows = serializers.IntegerField(read_only=False)
+    seats_in_row = serializers.IntegerField(read_only=False)
 
     def create(self, validated_data):
         return CinemaHall.objects.create(**validated_data)

cinema/urls.py

@@ -12,7 +12,7 @@
 
 router = routers.DefaultRouter()
 router.register("movies", MovieViewSet)
-router.register("cinema-halls", CinemaHallViewSet)
+router.register("cinema_halls", CinemaHallViewSet)
 
 urlpatterns = [
     path("", include(router.urls)),

cinema/views.py

@@ -43,14 +43,24 @@ def put(self, request, pk):
             return Response(serializer.data)
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
+    def patch(self, request, pk):
+        genre = self.get_object(pk)
+        serializer = GenreSerializer(genre, data=request.data, partial=True)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
     def delete(self, request, pk):
         genre = self.get_object(pk)
         genre.delete()
         return Response(status=status.HTTP_204_NO_CONTENT)
 
 
 class ActorList(
-    mixins.ListModelMixin, mixins.CreateModelMixin, generics.GenericAPIView
+    mixins.ListModelMixin,
+    mixins.CreateModelMixin,
+    generics.GenericAPIView,
 ):
     queryset = Actor.objects.all()
     serializer_class = ActorSerializer
@@ -68,7 +78,6 @@ class ActorDetail(
     mixins.DestroyModelMixin,
     generics.GenericAPIView,
 ):
-
     queryset = Actor.objects.all()
     serializer_class = ActorSerializer
 
@@ -78,6 +87,9 @@ def get(self, request, *args, **kwargs):
     def put(self, request, *args, **kwargs):
         return self.update(request, *args, **kwargs)
 
+    def patch(self, request, *args, **kwargs):
+        return self.partial_update(request, *args, **kwargs)
+
     def delete(self, request, *args, **kwargs):
         return self.destroy(request, *args, **kwargs)
 
@@ -90,7 +102,6 @@ class CinemaHallViewSet(
     mixins.DestroyModelMixin,
     viewsets.GenericViewSet,
 ):
-
     queryset = CinemaHall.objects.all()
     serializer_class = CinemaHallSerializer