Example

views.py

from django.contrib.auth.views import login as auth_login
from django.shortcuts import redirect


def login(request):
    if request.user.is_author():
        return redirect('/author/')
    elif request.user.is_reader():
        return redirect('/reader/')

    defaults = {
        'authentication_form': CustomAuthenticationForm,
        'template_name': 'core/login.html',
    }

    return auth_login(request, **defaults)