PyCS/backend/pycs_api/views/__init__.py

from pycs_api.views.project import ProjectViewSet
from pycs_api.views.model import ModelViewSet
from pycs_api.views.label_provider import LabelProviderViewSet


from rest_framework import routers
from rest_framework_simplejwt.serializers import TokenObtainPairSerializer
from rest_framework_simplejwt.views import TokenObtainPairView as BaseTokenObtainView
from rest_framework_simplejwt.views import TokenRefreshView as BaseTokenRefreshView

class CustomTokenSerializer(TokenObtainPairSerializer):

    def validate(self, attrs):
        data = super().validate(attrs)

        # Add custom data
        data['username'] = self.user.username

        return data

class TokenObtainPairView(BaseTokenObtainView):
    serializer_class = CustomTokenSerializer


class TokenRefreshView(BaseTokenRefreshView):
    # serializer_class = CustomTokenSerializer
    pass


router = routers.DefaultRouter()
router.register(r'model', ModelViewSet)
router.register(r'label-provider', LabelProviderViewSet)
router.register(r'project', ProjectViewSet)