Django Rest Framework: Disable field update after object is created

Question

I\'m trying to make my User model RESTful via Django Rest Framework API calls, so that I can create users as well as update their profiles.

However, as I go through

Answer 1

I used this approach:

def get_serializer_class(self):
    if getattr(self, 'object', None) is None:
        return super(UserViewSet, self).get_serializer_class()
    else:
        return SerializerWithoutUsernameField