Solution

cinema/migrations/0001_initial.py

@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     initial = True
 
     dependencies = []

cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py

@@ -60,11 +60,15 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name="movie",
             name="actors",
-            field=models.ManyToManyField(related_name="movies", to="cinema.actor"),
+            field=models.ManyToManyField(
+                related_name="movies", to="cinema.actor"
+            ),
         ),
         migrations.AddField(
             model_name="movie",
             name="genres",
-            field=models.ManyToManyField(related_name="movies", to="cinema.genre"),
+            field=models.ManyToManyField(
+                related_name="movies", to="cinema.genre"
+            ),
         ),
     ]

cinema/serializers.py

@@ -6,28 +6,34 @@
 class MovieSerializer(serializers.Serializer):
     title = serializers.CharField(max_length=255)
     description = serializers.CharField()
-    actors = serializers.PrimaryKeyRelatedField(required=False, queryset=Actor.objects.all(), many=True)
-    genres = serializers.PrimaryKeyRelatedField(required=False, queryset=Genre.objects.all(), many=True)
+    actors = serializers.PrimaryKeyRelatedField(
+        required=False, queryset=Actor.objects.all(), many=True
+    )
+    genres = serializers.PrimaryKeyRelatedField(
+        required=False, queryset=Genre.objects.all(), many=True
+    )
     duration = serializers.IntegerField(min_value=1)
 
     def create(self, validated_data):
-        actors_data = validated_data.pop('actors', [])
-        genres_data = validated_data.pop('genres', [])
+        actors_data = validated_data.pop("actors", [])
+        genres_data = validated_data.pop("genres", [])
         movie = Movie.objects.create(**validated_data)
         movie.actors.set(actors_data)
         movie.genres.set(genres_data)
         return movie
 
     def update(self, instance, validated_data):
-        instance.title = validated_data.get('title', instance.title)
-        instance.description = validated_data.get('description', instance.description)
-        instance.duration = validated_data.get('duration', instance.duration)
+        instance.title = validated_data.get("title", instance.title)
+        instance.description = validated_data.get(
+            "description", instance.description
+        )
+        instance.duration = validated_data.get("duration", instance.duration)
 
-        actors_data = validated_data.get('actors')
+        actors_data = validated_data.get("actors")
         if actors_data is not None:
             instance.actors.set(actors_data)
 
-        genres_data = validated_data.get('genres')
+        genres_data = validated_data.get("genres")
         if genres_data is not None:
             instance.genres.set(genres_data)
 

cinema/urls.py

@@ -1,6 +1,13 @@
 from django.urls import path, include
 
-from cinema.views import GenreList, GenreDetail, ActorDetail, ActorList, CinemaHallViewSet, MovieViewSet
+from cinema.views import (
+    GenreList,
+    GenreDetail,
+    ActorDetail,
+    ActorList,
+    CinemaHallViewSet,
+    MovieViewSet,
+)
 from rest_framework import routers
 
 router = routers.DefaultRouter()
@@ -9,20 +16,15 @@
 router.register("movies", MovieViewSet)
 
 cinema_hall_list = CinemaHallViewSet.as_view(
-    actions=
-    {
-        "get": "list",
-        "post": "create"
-    }
+    actions={"get": "list", "post": "create"}
 )
 
 cinema_hall_detail = CinemaHallViewSet.as_view(
-    actions=
-    {
+    actions={
         "get": "retrieve",
         "put": "update",
         "patch": "partial_update",
-        "delete": "destroy"
+        "delete": "destroy",
     }
 )
 
@@ -33,7 +35,9 @@
     path("actors/", ActorList.as_view(), name="actor-list"),
     path("actors/<int:pk>/", ActorDetail.as_view(), name="actor-detail"),
     path("cinema_halls/", cinema_hall_list, name="cinema-hall-list"),
-    path("cinema_halls/<int:pk>/", cinema_hall_detail, name="cinema-hall-detail"),
+    path(
+        "cinema_halls/<int:pk>/", cinema_hall_detail, name="cinema-hall-detail"
+    ),
 ]
 
 app_name = "cinema"

cinema/views.py

@@ -9,7 +9,12 @@
 from rest_framework.viewsets import GenericViewSet, ModelViewSet
 
 from cinema.models import Movie, Genre, Actor, CinemaHall
-from cinema.serializers import MovieSerializer, GenreSerializer, ActorSerializer, CinemaHallSerializer
+from cinema.serializers import (
+    MovieSerializer,
+    GenreSerializer,
+    ActorSerializer,
+    CinemaHallSerializer,
+)
 
 
 class GenreList(APIView):
@@ -28,7 +33,6 @@ def post(self, request):
 
 
 class GenreDetail(APIView):
-
     def get(self, request, pk):
         genre = get_object_or_404(Genre, pk=pk)
         serializer = GenreSerializer(genre)
@@ -59,9 +63,7 @@ def delete(self, request, pk):
 
 
 class ActorList(
-    mixins.ListModelMixin,
-    mixins.CreateModelMixin,
-    GenericAPIView
+    mixins.ListModelMixin, mixins.CreateModelMixin, GenericAPIView
 ):
     queryset = Actor.objects.all()
     serializer_class = ActorSerializer
@@ -77,10 +79,11 @@ class ActorDetail(
     mixins.RetrieveModelMixin,
     mixins.UpdateModelMixin,
     mixins.DestroyModelMixin,
-    GenericAPIView
+    GenericAPIView,
 ):
     queryset = Actor.objects.all()
     serializer_class = ActorSerializer
+
     def get(self, request, *args, **kwargs):
         return self.retrieve(request, *args, **kwargs)
 
@@ -100,7 +103,7 @@ class CinemaHallViewSet(
     mixins.UpdateModelMixin,
     mixins.DestroyModelMixin,
     mixins.ListModelMixin,
-    GenericViewSet
+    GenericViewSet,
 ):
     queryset = CinemaHall.objects.all()
     serializer_class = CinemaHallSerializer