def login(request):
    if request.POST:
        return __login__(request)
    else:
        return render(request, 'loginsys/login.html', {})


@csrf_protect
def __login__(request):
    username  = request.POST.get('id_usr', False)
    password  = request.POST.get('id_pwd', False)
    sys_user = auth.authenticate(username=username, password=password)
    if sys_user is not None and sys.user.is_active:
        auth.login(request, sys_user)
        return redirect("/")
    else:
        return render(request, 'loginsys/login.html', {'login_error': 'Ошибка входа'})