[PyKDE] Newbie pyQt user needs some slot help
Phil Thompson
phil at river-bank.demon.co.uk
Thu May 4 19:37:42 BST 2000
Pete Ware wrote:
>
> Phil Thompson <phil at river-bank.demon.co.uk> writes:
>
> > That's not as necessary as it used to be before v0.11. The bindings now
> > know that a QObject is responsible for deleting its children and so
> > Python doesn't do it when the Python object is deleted.
> Cool! I was also worried I was getting some circular references so
> that should minimize them.
>
> > The bindings can't tell what you intended, but they could include the
> > number of arguments successfully parsed. For example if a class had the
> > following C++ functions...
> >
> > void foo(int,QObject *,QColor *)
> > void foo(int,QRect *,QWidget *)
> >
> > ...and you called...
> >
> > foo(int,QRect *,QColor *)
> Would it be possible to actually print that out?
>
> "Wrong argument type:
> You called:
> foo(int,QRect,QColor)
> when only the following are supported:
> foo(int,QObject, QColor)
> foo(int,QRect, QWidget)"
>
> I'd guess in the 2nd half, sip could handle that as just a standard
> message/string for each function. That might also have general
> usefulness as some simple documentation.
>
> The first half you'd have to actually have code looping through the
> arguments and printing out their type -- which I don't know how
> difficult and error prone that would be. On the plus side, it
> wouldn't represent any runtime overhead since the code would only
> execute when the wrong argument types are passed.
Shouldn't be that difficult - just loads of extra strings, but it could
be a configuration option when you build the bindings.
Phil
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