Django Auth with JWT

from rest_framework import status
from rest_framework.generics import CreateAPIView
from rest_framework.response import Response
from rest_framework_jwt.settings import api_settings

jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER
jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER

class CreateUserView(CreateAPIView):

    model = User.objects.all()
    permission_classes = [
        permissions.AllowAny # Or anon users can't register
    ]
    serializer_class = UserSerializer

    def create(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        self.perform_create(serializer)
        headers = self.get_success_headers(serializer.data)
        user = self.model.get(username=serializer.data['username'])
        payload = jwt_payload_handler(user)
        token = jwt_encode_handler(payload)
        return Response(
            {
                'confirmation_url': reverse(
                    'activate-user', args=[token], request=request
                )
            },
            status=status.HTTP_201_CREATED, headers=headers
        )