diff --git a/app/decorators.py b/app/decorators.py
index e4867cd2..a14c3aff 100644
--- a/app/decorators.py
+++ b/app/decorators.py
@@ -124,17 +124,17 @@ def scodoc7func(context):
             If called via a route, this decorator setups a REQUEST object (emulating Zope2 REQUEST)
             and `g.scodoc_dept` if present in the argument (for routes like `/<scodoc_dept>/Scolarite/sco_exemple`).
             """
-            assert not args
             # Détermine si on est appelé via une route ("toplevel")
             # ou par un appel de fonction python normal.
             top_level = not hasattr(g, "zrequest")
-            if top_level:
-                g.zrequest = None
+            if not top_level:
+                # ne "redécore" pas
+                return func(*args, **kwargs)
             #
             if "scodoc_dept" in kwargs:
                 g.scodoc_dept = kwargs["scodoc_dept"]
                 del kwargs["scodoc_dept"]
-            elif not hasattr(g, "scodoc_dept"):  # if toplevel call
+            elif not hasattr(g, "scodoc_dept"):
                 g.scodoc_dept = None
             # --- Emulate Zope's REQUEST
             REQUEST = ZRequest()
diff --git a/app/scodoc/pe_jurype.py b/app/scodoc/pe_jurype.py
index d0c5bae3..c9f86ad3 100644
--- a/app/scodoc/pe_jurype.py
+++ b/app/scodoc/pe_jurype.py
@@ -66,7 +66,7 @@ def comp_nom_semestre_dans_parcours(context, sem):
     """Le nom a afficher pour titrer un semestre
     par exemple: "semestre 2 FI 2015"
     """
-    F = context.Notes.formation_list(args={"formation_id": sem["formation_id"]})[0]
+    F = context.formation_list(args={"formation_id": sem["formation_id"]})[0]
     parcours = sco_codes_parcours.get_parcours_from_code(F["type_parcours"])
     return "%s %s %s  %s" % (
         parcours.SESSION_NAME,  # eg "semestre"
diff --git a/app/scodoc/sco_edit_formation.py b/app/scodoc/sco_edit_formation.py
index 845c3cb7..b21fa9bb 100644
--- a/app/scodoc/sco_edit_formation.py
+++ b/app/scodoc/sco_edit_formation.py
@@ -245,7 +245,7 @@ def do_formation_create(context, args, REQUEST):
     if args.has_key("formation_code") and not args["formation_code"]:
         del args["formation_code"]
     #
-    r = _formationEditor.create(cnx, args)
+    r = sco_formations._formationEditor.create(cnx, args)
 
     sco_news.add(
         context,
diff --git a/app/scodoc/sco_edit_module.py b/app/scodoc/sco_edit_module.py
index e2847b31..56f49fe8 100644
--- a/app/scodoc/sco_edit_module.py
+++ b/app/scodoc/sco_edit_module.py
@@ -422,9 +422,7 @@ def module_list(context, formation_id, REQUEST=None):
         % F,
         '<ul class="notes_module_list">',
     ]
-    editable = REQUEST.AUTHENTICATED_USER.has_permission(
-        Permission.ScoChangeFormation, context
-    )
+    editable = REQUEST.AUTHENTICATED_USER.has_permission(Permission.ScoChangeFormation)
 
     for Mod in context.do_module_list(args={"formation_id": formation_id}):
         H.append('<li class="notes_module_list">%s' % Mod)
diff --git a/app/scodoc/sco_export_results.py b/app/scodoc/sco_export_results.py
index 206acdef..ad8eb160 100644
--- a/app/scodoc/sco_export_results.py
+++ b/app/scodoc/sco_export_results.py
@@ -62,7 +62,7 @@ def _build_results_table(context, start_date=None, end_date=None, types_parcours
     semlist = [dpv["formsemestre"] for dpv in dpv_by_sem.values() if dpv]
     semlist_parcours = []
     for sem in semlist:
-        sem["formation"] = context.Notes.formation_list(
+        sem["formation"] = context.formation_list(
             args={"formation_id": sem["formation_id"]}
         )[0]
         sem["parcours"] = sco_codes_parcours.get_parcours_from_code(
diff --git a/app/scodoc/sco_formations.py b/app/scodoc/sco_formations.py
index 31325db6..eedfd482 100644
--- a/app/scodoc/sco_formations.py
+++ b/app/scodoc/sco_formations.py
@@ -40,6 +40,7 @@ import sco_tag_module
 from gen_tables import GenTable
 from sco_exceptions import ScoValueError
 from sco_permissions import ScoChangeFormation
+from sco_permissions import Permission
 import VERSION
 
 _formationEditor = ndb.EditableTable(
@@ -233,9 +234,7 @@ def formation_list_table(context, formation_id=None, args={}, REQUEST=None):
         "edit_img", border="0", alt="modifier", title="Modifier titres et code"
     )
 
-    editable = REQUEST.AUTHENTICATED_USER.has_permission(
-        Permission.ScoChangeFormation, context
-    )
+    editable = REQUEST.AUTHENTICATED_USER.has_permission(Permission.ScoChangeFormation)
 
     # Traduit/ajoute des champs à afficher:
     for f in formations:
diff --git a/app/scodoc/sco_formsemestre.py b/app/scodoc/sco_formsemestre.py
index ee256214..c38d5862 100644
--- a/app/scodoc/sco_formsemestre.py
+++ b/app/scodoc/sco_formsemestre.py
@@ -131,7 +131,7 @@ def formsemestre_enrich(context, sem):
     import sco_formsemestre_edit
     import scolars
 
-    F = context.Notes.formation_list(args={"formation_id": sem["formation_id"]})[0]
+    F = context.formation_list(args={"formation_id": sem["formation_id"]})[0]
     parcours = sco_codes_parcours.get_parcours_from_code(F["type_parcours"])
     # 'S1', 'S2', ... ou '' pour les monosemestres
     if sem["semestre_id"] != NO_SEMESTRE_ID:
diff --git a/app/scodoc/sco_formsemestre_edit.py b/app/scodoc/sco_formsemestre_edit.py
index 2452e455..5ac35707 100644
--- a/app/scodoc/sco_formsemestre_edit.py
+++ b/app/scodoc/sco_formsemestre_edit.py
@@ -35,17 +35,18 @@ import sco_groups
 from notes_log import log
 from TrivialFormulator import TrivialFormulator, TF
 import notes_table
-import sco_portal_apogee
-import scolars
-import sco_parcours_dut
-import sco_codes_parcours
-import sco_compute_moy
-import sco_modalites
-import sco_formsemestre
-import sco_moduleimpl
+from sco_exceptions import AccessDenied, ScoValueError
 from sco_formsemestre import ApoEtapeVDI
 from sco_permissions import ScoImplement
-from sco_exceptions import AccessDenied, ScoValueError
+import sco_codes_parcours
+import sco_compute_moy
+import sco_formsemestre
+import sco_modalites
+import sco_moduleimpl
+import sco_parcours_dut
+import sco_portal_apogee
+import sco_preferences
+import scolars
 
 
 def _default_sem_title(F):
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index 78eba04c..b67c770f 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -563,7 +563,7 @@ def fill_formsemestre(context, sem, REQUEST=None):
         )
     else:
         sem["eyelink"] = ""
-    F = context.Notes.formation_list(args={"formation_id": sem["formation_id"]})[0]
+    F = context.formation_list(args={"formation_id": sem["formation_id"]})[0]
     sem["formation"] = F
     parcours = sco_codes_parcours.get_parcours_from_code(F["type_parcours"])
     if sem["semestre_id"] != -1:
diff --git a/app/scodoc/sco_pvjury.py b/app/scodoc/sco_pvjury.py
index 423711e8..3bf6127f 100644
--- a/app/scodoc/sco_pvjury.py
+++ b/app/scodoc/sco_pvjury.py
@@ -720,7 +720,7 @@ def formsemestre_pvjury_pdf(
 
 def descrform_pvjury(context, sem):
     """Définition de formulaire pour PV jury PDF"""
-    F = context.Notes.formation_list(formation_id=sem["formation_id"])[0]
+    F = context.formation_list(formation_id=sem["formation_id"])[0]
     return [
         (
             "date_commission",
diff --git a/app/templates/main/index.html b/app/templates/main/index.html
index 179c1d6d..7ce106fb 100644
--- a/app/templates/main/index.html
+++ b/app/templates/main/index.html
@@ -2,7 +2,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-<h1>Protoype ScoDoc 8: accueil</h1>
+<h1>Prototype ScoDoc 8: accueil</h1>
 <div class="row">
     <h2>Avec login requis</h2>
     <ul>
@@ -28,7 +28,10 @@
         <li><a href="{{ url_for('notes.essai2' , scodoc_dept='RT') }}"><tt>Notes/essai2</tt></a> : permission
             ScoImplement dans RT
         </li>
-
+    </ul>
+    <h2>Essais décorateurs et appels</h2>
+    <ul>
+        <li><a href="{{ url_for('essais.sco_exemple', scodoc_dept='RT') }}">sco_exemple</a></li>
     </ul>
 </div>
 
diff --git a/app/views/__init__.py b/app/views/__init__.py
index 9a6eed3a..2299417a 100644
--- a/app/views/__init__.py
+++ b/app/views/__init__.py
@@ -8,4 +8,4 @@ notes_bp = Blueprint("notes", __name__)
 absences_bp = Blueprint("absences", __name__)
 essais_bp = Blueprint("essais", __name__)
 
-from app.views import notes, scolar, absences
\ No newline at end of file
+from app.views import notes, scolar, absences, essais
diff --git a/app/views/entreprises.py b/app/views/entreprises.py
index a66591ec..c8b810b5 100644
--- a/app/views/entreprises.py
+++ b/app/views/entreprises.py
@@ -83,7 +83,7 @@ def sidebar(context, REQUEST):
         % params,
     ]
     if REQUEST.AUTHENTICATED_USER.has_permission(
-        Permission.ScoEntrepriseChange, context
+        Permission.ScoEntrepriseChange
     ):
         H.append(
             """<li class="insidebar"><a href="%(ScoURL)s/Entreprises/entreprise_create" class="sidebar">Nouvelle entreprise</a> </li>"""
@@ -112,7 +112,7 @@ def sidebar(context, REQUEST):
                 % params
             )  # """
             if REQUEST.AUTHENTICATED_USER.has_permission(
-                Permission.ScoEntrepriseChange, context
+                Permission.ScoEntrepriseChange
             ):
                 H.append(
                     """<li class="insidebar"><a href="%(ScoURL)s/Entreprises/entreprise_correspondant_create?entreprise_id=%(entreprise_id)s" class="sidebar">Nouveau Corresp.</a></li>"""
@@ -123,7 +123,7 @@ def sidebar(context, REQUEST):
                 % params
             )
             if REQUEST.AUTHENTICATED_USER.has_permission(
-                Permission.ScoEntrepriseChange, context
+                Permission.ScoEntrepriseChange
             ):
                 H.append(
                     """<li class="insidebar"><a href="%(ScoURL)s/Entreprises/entreprise_contact_create?entreprise_id=%(entreprise_id)s" class="sidebar">Nouveau "contact"</a></li>"""
@@ -134,7 +134,7 @@ def sidebar(context, REQUEST):
     #
     H.append("""<br/><br/>%s""" % scu.icontag("entreprise_side_img"))
     if not REQUEST.AUTHENTICATED_USER.has_permission(
-        Permission.ScoEntrepriseChange, context
+        Permission.ScoEntrepriseChange
     ):
         H.append("""<br/><em>(Lecture seule)</em>""")
     H.append("""</div> </div> <!-- end of sidebar -->""")
@@ -316,7 +316,7 @@ def entreprise_contact_list(context, entreprise_id=None, format="html", REQUEST=
     H.append(tab.html())
 
     if REQUEST.AUTHENTICATED_USER.has_permission(
-        Permission.ScoEntrepriseChange, context
+        Permission.ScoEntrepriseChange
     ):
         if entreprise_id:
             H.append(
@@ -427,7 +427,7 @@ def entreprise_correspondant_list(
     H.append(tab.html())
 
     if REQUEST.AUTHENTICATED_USER.has_permission(
-        Permission.ScoEntrepriseChange, context
+        Permission.ScoEntrepriseChange
     ):
         H.append(
             """<p class="entreprise_create"><a class="entreprise_create" href="entreprise_correspondant_create?entreprise_id=%(entreprise_id)s">Ajouter un correspondant dans l'entreprise %(nom)s</a></p>
@@ -537,21 +537,21 @@ def entreprise_contact_edit(context, entreprise_contact_id, REQUEST=None):
         initvalues=c,
         submitlabel="Modifier les valeurs",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
 
     if tf[0] == 0:
         H.append(tf[1])
         if REQUEST.AUTHENTICATED_USER.has_permission(
-            Permission.ScoEntrepriseChange, context
+            Permission.ScoEntrepriseChange, 
         ):
             H.append(
                 """<p class="entreprise_descr"><a class="entreprise_delete" href="entreprise_contact_delete?entreprise_contact_id=%s">Supprimer ce contact</a> </p>"""
                 % entreprise_contact_id
             )
     elif tf[0] == -1:
-        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context, ))
+        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context))
     else:
         etudok = sco_entreprises.do_entreprise_check_etudiant(
             context, tf[2]["etudiant"]
@@ -665,7 +665,7 @@ def entreprise_correspondant_edit(context, entreprise_corresp_id, REQUEST=None):
         initvalues=c,
         submitlabel="Modifier les valeurs",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
@@ -776,13 +776,13 @@ def entreprise_contact_create(context, entreprise_id, REQUEST=None):
         cancelbutton="Annuler",
         submitlabel="Ajouter ce contact",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
         H.append(tf[1])
     elif tf[0] == -1:
-        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context, ))
+        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context))
     else:
         etudok = sco_entreprises.do_entreprise_check_etudiant(
             context, tf[2]["etudiant"]
@@ -817,18 +817,18 @@ def entreprise_contact_delete(context, entreprise_contact_id, REQUEST=None):
         submitlabel="Confirmer la suppression",
         cancelbutton="Annuler",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
         H.append(tf[1])
     elif tf[0] == -1:
-        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context, ))
+        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context))
     else:
         sco_entreprises.do_entreprise_contact_delete(
             context, c["entreprise_contact_id"]
         )
-        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context, ))
+        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context))
     H.append(entreprise_footer(context, REQUEST))
     return "\n".join(H)
 
@@ -926,16 +926,16 @@ def entreprise_correspondant_create(context, entreprise_id, REQUEST=None):
         cancelbutton="Annuler",
         submitlabel="Ajouter ce correspondant",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
         H.append(tf[1])
     elif tf[0] == -1:
-        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context, ))
+        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context))
     else:
         sco_entreprises.do_entreprise_correspondant_create(context, tf[2])
-        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context, ))
+        return REQUEST.RESPONSE.redirect(scu.EntreprisesURL(context))
     H.append(entreprise_footer(context, REQUEST))
     return "\n".join(H)
 
@@ -960,7 +960,7 @@ def entreprise_correspondant_delete(context, entreprise_corresp_id, REQUEST=None
         submitlabel="Confirmer la suppression",
         cancelbutton="Annuler",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
@@ -1020,7 +1020,7 @@ def entreprise_delete(context, entreprise_id, REQUEST=None):
         submitlabel="Confirmer la suppression",
         cancelbutton="Annuler",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
@@ -1117,7 +1117,7 @@ def entreprise_create(context, REQUEST=None):
         cancelbutton="Annuler",
         submitlabel="Ajouter cette entreprise",
         readonly=not REQUEST.AUTHENTICATED_USER.has_permission(
-            ScoEntrepriseChange, context
+            ScoEntrepriseChange
         ),
     )
     if tf[0] == 0:
diff --git a/app/views/essais.py b/app/views/essais.py
index 0025bf67..2964349f 100644
--- a/app/views/essais.py
+++ b/app/views/essais.py
@@ -17,7 +17,7 @@ from app.decorators import (
 )
 from app.auth.models import Permission
 
-from app.views import notes_bp as bp
+from app.views import essais_bp as bp
 
 # import sco_core deviendra:
 from app.scodoc import sco_core
@@ -50,6 +50,20 @@ def sco_exemple2():
     return "Exemple 2" + context.sco_exemple(etudid="deux")
 
 
+@bp.route("/<scodoc_dept>/Scolarite/sco_exemple3")
+@login_required
+@scodoc7func(context)
+def sco_exemple3(toto):
+    return "Exemple 3: toto=" + toto
+
+
+@bp.route("/<scodoc_dept>/Scolarite/sco_exemple4")
+@login_required
+@scodoc7func(context)
+def sco_exemple4(toto):
+    return "Exemple 4: " + sco_exemple3(toto)
+
+
 # Test avec un seul argument REQUEST positionnel
 @bp.route("/<scodoc_dept>/Scolarite/sco_get_version")
 @scodoc7func(context)
diff --git a/app/views/notes.py b/app/views/notes.py
index f9e9afa3..c621c763 100644
--- a/app/views/notes.py
+++ b/app/views/notes.py
@@ -450,7 +450,7 @@ def formation_list(context, format=None, REQUEST=None, formation_id=None, args={
         else:
             args = {"formation_id": formation_id}
     cnx = ndb.GetDBConnexion()
-    r = _formationEditor.list(cnx, args=args)
+    r = sco_formations._formationEditor.list(cnx, args=args)
     # log('%d formations found' % len(r))
     return scu.sendResult(REQUEST, r, name="formation", format=format)