Some work about #48. This is far from finished.

admin/templatetags/admin_extras.py

@@ -62,6 +62,9 @@ def settings_menu(selection, perms):
          "url" : reverse(admin.views.viewparameters),
          "img" : "/static/pics/domains.png",
          "label" : _("Parameters")},
+        {"name" : "extensions",
+         "url" : reverse(admin.views.viewextensions),
+         "label" : _("Extensions")},
         ]
     return render_to_string('main/menu.html', 
                             {"selection" : selection, "entries" : entries,

admin/urls.py

@@ -19,6 +19,7 @@ urlpatterns = patterns('mailng.admin.views',
                        (r'^settings/$', 'settings'),
                        (r'^settings/addperm/$', 'addpermission'),
                        (r'^settings/delperm/(?P<mbox_id>\d+)/(?P<group>\w+)/$', 'deletepermission'),
+                       (r'^settings/extensions/$', 'viewextensions'),
                        (r'^settings/parameters/$', 'viewparameters'),
                        (r'^settings/parameters/save/$', 'saveparameters'),
                        )

admin/views.py

@@ -442,3 +442,11 @@ def saveparameters(request):
         parameters.save(app, name, v)
     request.user.message_set.create(message=_("Configuration saved."))
     return HttpResponseRedirect(reverse(admin.views.viewparameters))
+
+@login_required
+@user_passes_test(lambda u: u.is_superuser)
+def viewextensions(request):
+    from mailng.extensions import list_extensions
+    return _render(request, 'admin/extensions.html', {
+            "extensions" : list_extensions()
+            })