auth.py

from django.contrib.auth import authenticate, login, logout


def do_login(request):
    user = authenticate(username=request.POST.get('username', 'none'),
                        password=request.POST.get('password', 'none'))
    if user is not None:
        login(request, user)
        return True, "ok"
    return False, "login_failed"


def do_logout(request):
    if request.user.is_authenticated:
        logout(request)
        return True, "logout"
    return False, "logout_failed"