timeout before cancel a diffusion in monitoring

website/admin.py

@@ -1,5 +1,6 @@
 from django.contrib import admin
 from suit.admin import SortableTabularInline, SortableModelAdmin
+from suit.admin import SortableGenericTabularInline
 
 import aircox.programs.models as programs
 import aircox.cms.admin as cms
@@ -7,12 +8,14 @@ import aircox.website.models as models
 import aircox.website.forms as forms
 
 
-class TrackInline(SortableTabularInline):
-    fields = ['artist', 'name', 'tags', 'position']
+class TrackInline(SortableGenericTabularInline):
+    ct_field = 'related_type'
+    ct_fk_field = 'related_id'
     form = forms.TrackForm
     model = programs.Track
     sortable = 'position'
     extra = 4
+    fields = ['artist', 'title', 'tags', 'info', 'position']
 
 admin.site.register(models.Article, cms.PostAdmin)
 admin.site.register(models.Program, cms.RelatedPostAdmin)

website/models.py

@@ -122,7 +122,7 @@ class Diffusion(cms.RelatedPost):
             self.rel_to_post()
 
         self.fill_empty()
-        if not self.subtitle:
+        if not self.subtitle and hasattr(self, 'related'):
             self.subtitle = _('Diffusion of the %(date)s') % {
                 'date': self.related.start.strftime('%A %d/%m')
             }