How to add custom field to django rest auth model without modifying the django auth model?

Question

I am trying to add a phone field for Django rest user registration. I am using Django auth model. I don't want to add a custom field to Django user model. Without modifying the user model I need to add a phone field to RegisterUserSerializer

question from:https://stackoverflow.com/questions/65934133/how-to-add-custom-field-to-django-rest-auth-model-without-modifying-the-django-a

Answer 1

You could add a second model that relates with OneToOneField to User. This is best described in the very nice tutorial from Vitor Freitas (here, "Extending User Model Using a One-To-One Link").

Key essence:

from django.db import models
from django.contrib.auth.models import User

class Profile(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    phone= models.CharField(max_length=20, blank=True)