import uuid
from django.db import models
from rest_framework import serializers, viewsets
from tests import assert_schema, generate_schema
class Album(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
class Song(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    album = models.ForeignKey(Album, on_delete=models.CASCADE, null=True)
class SongSerializer(serializers.ModelSerializer):
    album_id = serializers.ReadOnlyField(source='album.id')
    class Meta:
        fields = ['id', 'album_id']
        model = Song
class SongModelViewset(viewsets.ModelViewSet):
    serializer_class = SongSerializer
    queryset = Song.objects.none()