I'm using AttributeExtension for my project and it would greatly simplify things if I could receive the events after the attributes are set. Is there any way this will make it into SqlAlchemy?
On Sep 28, 8:09 pm, Mike Bernson <[EMAIL PROTECTED]> wrote: > Michael Bayer wrote: > > > On Sep 28, 2008, at 8:23 PM, Mike Bernson wrote: > > >> The set method has changed from 0.5b3 to 0.5rc1. > > >> The old set method set the value before it called the set method > >> in attribute extension. The new method set the value after the > >> set method is called. > > >> This is cause me problems because the methods that I am dispatching > >> to think the attribute is set. Is it safe in the set method of the > >> attribute method to set the attribute value by doing a follow: > > >> class ReceiveEvents(AttributeExtension): > > >> def set(self, obj, child, oldchild, initiator): > >> key = initiator.key > >> obj.dict[key] = child > > >> if child != oldchild: > >> instance = obj.obj.__call__() > >> instance.notify(model=instance, property=key, > >> old=oldchild, new=newchild) > > >> return obj.dict[key] > > >> instance.notify dispatch to methods that have register that they need > >> to known about property changing value. The methods that get dispatch > >> then can modify the property. > > > oh yeah. I think I meant to let you know about this (you're the only > > person usingAttributeExtension) but i probably forgot :) . The > > change is necessary so that the extension can raise errors or modify > > the value before its actually set. > > > whats the question, you want to populate dict directly ? Should be > > fine for scalar attributes since thats what happens right after the > > event anyway. > > Are there any other attribute type that might cause a problem ? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
