How to ban/kick a logged in user in django

kick_user.py

from django.contrib.sessions.models import Session
from django.contrib.auth.models import User

# grab the user in question 
user = User.objects.get(username='johndoe')

[s.delete() for s in Session.objects.all() if s.get_decoded().get('_auth_user_id') == user.id]

user.is_active = False
user.save()

you can run this from Django shell
./manage.py shell