def user_login(request):
    if request.method == 'POST':
        form = LoginForm(request.POST)
        username = request.POST['username']
        password = request.POST['password']
        print "u %s p:%s" % (username, password)
        user = authenticate(username=username, password=password)
        print "Authentication done"
        if user is not None:
            print "logging in"
            login(request, user)
            return HttpResponseRedirect(request.POST['next'])
        else:
            print("The username and password were incorrect.")
    else:
        form = LoginForm()
    return render(request, 'login.html', {'loginForm': form})


@login_required
    def registration(request):
        dosomething...

class LoginForm(forms.ModelForm):
    class Meta:
        model = User