Ronny Mandal wrote: > file front_ui.py: > > class Front(object): > _images = [] # Holds image refs to prevent GC > def __init__(self, root): > # Widget Initialization > self._listbox_1 = Tkinter.Listbox(root, > height = 0, > width = 0, > ... > ) >
> other file: > > from Front_ui import Front > > class CustomFront(Front): > Front._listbox_1.insert( 0, 'foo' ) > > ... > ... > File "H:\My Documents\Komodo\Front.py", line 63, in CustomFront > Front._listbox_1.insert( 0, foo' ) > AttributeError: type object 'Front' has no attribute '_listbox_1' > > > i.e., it cannot find the listbox! Strange, both files is in the same > folder. What is wrong here? _listbox_1 is an instance attribute, not a class attribute. You need to refer to self._listbox_1 from a CustomFront method, or change _listbox_1 to a class attribute if that is what you really want. Kent -- http://mail.python.org/mailman/listinfo/python-list