Apply lstephan's suggestions

authens/views.py

@@ -1,7 +1,7 @@
 from django.conf import settings
 from django.contrib import auth
 from django.core.exceptions import PermissionDenied
-from django.views.generic import RedirectView, TemplateView
+from django.views.generic import TemplateView, View
 from django.shortcuts import redirect
 from django.utils.translation import gettext_lazy as _
 
@@ -44,7 +44,7 @@ class LoginSwitchView(NextPageMixin, TemplateView):
         return ctx
 
 
-class CASLoginView(NextPageMixin, RedirectView):
+class CASLoginView(NextPageMixin, View):
     """CAS authentication view.
 
     Implement the CAS authentication scheme:
@@ -57,20 +57,19 @@ class CASLoginView(NextPageMixin, RedirectView):
 
     http_method_names = ["get"]
 
-    def get_redirect_url(self, *args, **kwargs):
-        request = self.request
+    def get(self, request, *args, **kwargs):
         ticket = request.GET.get("ticket")
 
         if not ticket:
             request.session["CASNEXT"] = self.next_page_url()
             cas_client = get_cas_client(request)
-            return cas_client.get_login_url()
+            return redirect(cas_client.get_login_url())
 
         user = auth.authenticate(request, ticket=ticket)
         if user is None:
             raise PermissionDenied(_("Connection échouée !"))
         auth.login(request, user)
-        return self.next_page_url()
+        return redirect(self.next_page_url())
 
 
 class PasswordLoginView(auth.views.LoginView):