django login without password

Question

I'm looking for a way how to login without password. During create new user I noticed that, password field has default value empty, but not null. How can I do login with empty password? Because not all user need to have password set.

models.py

class user(AbstractUser):

database:

| username | password       |
| -------- | -------------- |
| A        |                |
| B        | 123            |

views.py

user = authenticate(request, username='A', password='')

if user is not None:
     login(request, user)
     return redirect('index')

Answer 1

Derive a custom authentication backend from the default backend (django.contrib.auth.backends.ModelBackend) that allows authentication without a password for the users that are eligible for it, and set AUTHENTICATION_BACKENDS to point to that class.

Then your views, or whatever calls authenticate(), will work out of the box.