Django Auth Token ValueError When Assigning to User

问题

I'm currently following the Django guide and using the receiver to assign an auth token. However, the following retuens the error

Cannot assign "<User: User object>": "Token.user" must be a "User" instance.

##PRE CREATE Method
@receiver(post_save, sender=User)  
def create_auth_token(sender, instance=None, created=False, **kwargs):
    if created:
        Token.objects.create(user=instance)

class UserViewSet(viewsets.ModelViewSet):
    queryset = User.objects.all()
    serializer_class = UserSerializer

Even replacing the @receiver with does not work

 def perform_create(self, serializer):
    user = serializer.save()
    Token.objects.create(user=user)

回答1:

What do your imports look like? Is there another class User beside django.auth.models.user?

Try to inherit your User class from django.contrib.auth.models.User:

models.py:

from django.contrib import auth

class User(auth.models.User):
    # place for extra fields

来源：https://stackoverflow.com/questions/33683511/django-auth-token-valueerror-when-assigning-to-user