Parent admin will load now in 1.7.

Author: gannettchad

polymorphic_tree/admin/parentadmin.py

@@ -1,3 +1,4 @@
+import json, django
 from future.builtins import str, int
 from django.conf import settings
 from django.core.urlresolvers import reverse
@@ -7,7 +8,6 @@
 from polymorphic.admin import PolymorphicParentModelAdmin, PolymorphicModelChoiceForm
 from polymorphic_tree.models import PolymorphicMPTTModel
 from mptt.admin import MPTTModelAdmin
-import json
 
 try:
  # Django 1.6 requires this
@@ -32,12 +32,14 @@ class NodeTypeChoiceForm(PolymorphicModelChoiceForm):
 except ImportError:
  extra_list_filters = ()
 else:
- # Django 1.4:
+ # Django 1.4+:
  class NodeTypeListFilter(SimpleListFilter):
  parameter_name = 'ct_id'
  title = _('node type')
 
  def lookups(self, request, model_admin):
+ if django.VERSION[:2] > (1, 6):
+ return model_admin.get_child_type_choices(request, 'list')
  return model_admin.get_child_type_choices()
 
  def queryset(self, request, queryset):
@@ -147,7 +149,10 @@ def get_urls(self):
  Add custom URLs for moving nodes.
  """
  base_urls = super(PolymorphicMPTTParentModelAdmin, self).get_urls()
- info = self.model._meta.app_label, self.model._meta.module_name
+ try:
+ info = self.model._meta.app_label, self.model._meta.model_name
+ except:
+ info = self.model._meta.app_label, self.model._meta.module_name
  extra_urls = [
  url(r'^api/node-moved/$', self.admin_site.admin_view(self.api_node_moved_view), name='{0}_{1}_moved'.format(*info)),
  url(r'^(\d+)/move_up/$', self.admin_site.admin_view(self.move_up_view)),