Inherit Class Dynamicly
Oren Tirosh
oren-py-l at hishome.net
Tue Feb 5 10:29:35 EST 2002
On Tue, Feb 05, 2002 at 12:49:56PM +0000, Xiao-Qin Xia wrote:
> Hi, everybody,
>
> from Tkinter import *
> class NewWidget:
> ...
> def __init__(self, widget_name = "Button", **dict):
> # What is needed here to make the new born object(self)
> # behavior like both the class specified by widget_name
> # and NewWidget?
>
def NewWidget(widget_name, **dict):
class DynamicallyGenerated(FixedParentClass, widget_classes[widget_name]):
...
return DynamicallyGenerated(**dict)
A function returning a dynamically generated class is quite similar to a
C++ template. It's probably a good idea to memoize such dynamically
generated classes - creating a new class for each widget is rather
expensive.
Oren
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