--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/app/django/contrib/contenttypes/management.py Fri Jul 18 18:22:23 2008 +0000
@@ -0,0 +1,43 @@
+from django.contrib.contenttypes.models import ContentType
+from django.dispatch import dispatcher
+from django.db.models import get_apps, get_models, signals
+from django.utils.encoding import smart_unicode
+
+def update_contenttypes(app, created_models, verbosity=2):
+ """
+ Creates content types for models in the given app, removing any model
+ entries that no longer have a matching model class.
+ """
+ ContentType.objects.clear_cache()
+ content_types = list(ContentType.objects.filter(app_label=app.__name__.split('.')[-2]))
+ app_models = get_models(app)
+ if not app_models:
+ return
+ for klass in app_models:
+ opts = klass._meta
+ try:
+ ct = ContentType.objects.get(app_label=opts.app_label,
+ model=opts.object_name.lower())
+ content_types.remove(ct)
+ except ContentType.DoesNotExist:
+ ct = ContentType(name=smart_unicode(opts.verbose_name_raw),
+ app_label=opts.app_label, model=opts.object_name.lower())
+ ct.save()
+ if verbosity >= 2:
+ print "Adding content type '%s | %s'" % (ct.app_label, ct.model)
+ # The presence of any remaining content types means the supplied app has an
+ # undefined model and can safely be removed, which cascades to also remove
+ # related permissions.
+ for ct in content_types:
+ if verbosity >= 2:
+ print "Deleting stale content type '%s | %s'" % (ct.app_label, ct.model)
+ ct.delete()
+
+def update_all_contenttypes(verbosity=2):
+ for app in get_apps():
+ update_contenttypes(app, None, verbosity)
+
+dispatcher.connect(update_contenttypes, signal=signals.post_syncdb)
+
+if __name__ == "__main__":
+ update_all_contenttypes()