from django.contrib.auth.backends import ModelBackend from django.contrib.auth.models import User class EmailAuthBackend(ModelBackend): def authenticate(self, request, username=None, password=None, **kwargs): try: user = User.objects.get(email=username) if user.check_password(password): return user return None except User.DoesNotExist: return None def get_user(self, user_id): try: return User.objects.get(pk=user_id) except User.DoesNotExist: return None