add support for UUID to parentadmin.py

Author: njamaleddine

polymorphic_tree/admin/parentadmin.py

@@ -1,4 +1,6 @@
-import json, django
+import json
+import django
+from django.utils.six import integer_types
 from future.builtins import str, int
 from distutils.version import StrictVersion
 from django.conf import settings
@@ -178,10 +180,19 @@ def api_node_moved_view(self, request):
  Update the position of a node, from a API request.
  """
  try:
- moved_id = int(request.POST['moved_id'])
- target_id = int(request.POST['target_id'])
+ try:
+ moved_id = int(request.POST['moved_id'])
+ target_id = int(request.POST['target_id'])
+ except ValueError:
+ moved_id = request.POST['moved_id']
+ target_id = request.POST['target_id']
+
  position = request.POST['position']
- previous_parent_id = int(request.POST['previous_parent_id']) or None
+
+ if isinstance(moved_id, integer_types) and isinstance(target_id, integer_types):
+ previous_parent_id = int(request.POST['previous_parent_id']) or None
+ else:
+ previous_parent_id = request.POST['previous_parent_id'] or None
 
  # Not using .non_polymorphic() so all models are downcasted to the derived model.
  # This causes the signal below to be emitted from the proper class as well.
@@ -198,7 +209,7 @@ def api_node_moved_view(self, request):
  'moved_id': moved_id,
  'error': _(u'Cannot place \u2018{0}\u2019 below \u2018{1}\u2019; a {2} does not allow children!').format(moved, target, target._meta.verbose_name)
  }), content_type='application/json', status=409) # Conflict
- if moved.parent_id != previous_parent_id:
+ if str(moved.parent_id) != str(previous_parent_id):
  return HttpResponse(json.dumps({
  'action': 'reload',
  'error': 'Client seems to be out-of-sync, please reload!'
@@ -253,4 +264,3 @@ def _get_opt(model):
  return model._meta.app_label, model._meta.model_name # Django 1.7 format
  except AttributeError:
  return model._meta.app_label, model._meta.module_name
-