catching a del

[Gregory Jorgensen]

Add a delete method to the parent class; that seems the most direct solution.

Unlike "delete" in C++, Python's "del" statement doesn't delete an object, it
decrements the object's reference count and removes the deleted name.


In article <j%zn6.322252$f36.11513719 at news20.bellglobal.com>, Dan Parisien
says...
>
>class obj:
>        def __init__(self, name, parent):
>                parent.children[name] = self
>                self.parent = parent
>                self.name = name
>
>        def onDelete(self): #?!
>                del self.parent[self.name]
>
>I want to be able to catch a del of an instance of the above class so I can 
>remove it from its parent dictionary. Is there a way? (note it cannot be in 
>a destructor because there will always be a reference inside the parent 
>dict)

Greg Jorgensen
Deschooling Society
Portland, Oregon, USA
gregj at pobox.com