class PostUpdateAPIView(UpdateAPIView):
    queryset = Post.objects.all()
    serializer_class = PostDetailSerializer
    lookup_field = "slug"

class PostDeleteAPIView(DestroyAPIView):
    queryset = Post.objects.all()
    serializer_class = PostDetailSerializer
    lookup_field = "slug"

urlpatterns = [
    url(r'^(?P<slug>[\w-]+)/edit$', PostUpdateAPIView.as_view(), name="update"),
    url(r'^(?P<slug>[\w-]+)/delete$', PostDeleteAPIView.as_view(), name="delete"),