1 from django.db.models.signals import post_save
2 from django.dispatch import receiver
4 from core.models import *
5 from dependency_walker import *
9 if (d.updated < o.updated):
10 d.save(update_fields=['updated'])
12 def delete_if_inactive(d, o):
13 #print "Deleting %s (%s)"%(d,d.__class__.__name__)
18 def post_save_handler(sender, instance, **kwargs):
19 sender_name = sender.__name__
20 policy_name = 'model_policy_%s'%sender_name
22 if (not kwargs['update_fields']):
24 walk_inv_deps(update_dep, instance)
27 policy_handler = getattr(model_policies, policy_name, None)
28 if policy_handler is not None:
29 policy_handler.handle(instance)
34 elif 'deleted' in kwargs['update_fields']:
35 walk_inv_deps(delete_if_inactive, instance)