QWidget casts with PyQt?

[Ewald R. de Wit]

Stefan Quandt wrote:
> I want to access widgets from a Qt container widget e.g.
>   item = ToolBox.item( 0 )
> 
> I know that the item is a QButtonGroup.
> The Qt-Library returns a QWidget pointer.
> So what I get is a Python QWidget wrapper object.

This is quite a general problem for which I would like to know
a solution too.

-- 
  --  Ewald