Downcast (I know it sounds silly, but ...)

[John Ochiltree]

Rocco Rossi wrote:

> I was wondering if it is possible in Python to do something analogous to
> downcasting in a statically typed language like C++. I mean is it possible
> to take an instance of a base class and magically transform it into an
> instance of some derived class eventually fixing things (like the missing
> attribute data)?
> 
> Thanx.
Yes