verbose_authentication.py

@require_http_methods(["GET"])
@login_required(login_url='/login', redirect_field_name='')
def index(request):

    #  Verbose user permission authentication!
    groups = [group.name for group in request.user.groups.all()]
    if not any(x in groups for x in ['PERMISSION_GR_1', 'PERMISSION_GR_2']):
        messages.add_message(request, messages.WARNING, '{0} does not have permission.'.format(request.user))
        return redirect('home')
    
    #  Do something meaningful on this route

    return render(request, 'pages/index.html', {})