Aha i solved it sender.objects.get(id=kwargs['instance'].id) be sender.objects.get(*pk*=kwargs['instance'].*pk*)
Thank you again Karl ;) On Sunday, May 13, 2012 5:39:34 PM UTC+4, Alireza Savand wrote: > > Okay, i found a problem in it. > One of my models doesn't use *id* as a default *pk*. > is use different primary key, called *iso.* > So here the traceback > http://dpaste.de/o7kSw/ > It's not working with those model with different primary key :| > > > On Saturday, May 12, 2012 3:13:28 PM UTC+4, Karl Sutt wrote: >> >> Thanks. So, in onPreSave, you use kwargs['instance'], assuming it's the >> instance before saving (which it is, not just in the "current" state). So >> kwargs['instance'] in both handlers have the same state. If you want to get >> the current state (the old state, so to speak), you should to something like >> >> sender.objects.get(id=kwargs['instance'].id) >> >> >> This would get you the current state of the that instance. >> >> Hope this is clear and helps. >> >> Karl Sutt >> > -- You received this message because you are subscribed to the Google Groups "Django users" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/KQUNwR9k25sJ. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
