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List:       pykde
Subject:    Re: [PyQt] Construct QVariant from object of user type
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2008-04-27 14:25:46
Message-ID: 200804271525.46055.phil () riverbankcomputing ! com
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On Saturday 26 April 2008, Arve Knudsen wrote:
> On Sat, Apr 26, 2008 at 10:43 AM, Phil Thompson
>
> <phil@riverbankcomputing.com> wrote:
> > On Friday 25 April 2008, Arve Knudsen wrote:
> >  > On Thu, Apr 24, 2008 at 5:55 PM, Phil Thompson
> >  >
> >  > <phil@riverbankcomputing.com> wrote:
> >  > > Tonight's PyQt snapshot will have some support for storing a Python
> >  > > object in a QVariant so the following code works...
> >  > >
> >  > >  from PyQt4.QtCore import QVariant
> >  > >
> >  > >  class Klass(object): pass
> >  > >
> >  > >  k = Klass()
> >  > >  v = QVariant(k)
> >  > >  v1 = QVariant(v)
> >  > >  assert v1.toPyObject() is k
> >  > >
> >  > >  Let me know if more is needed.
> >  >
> >  > I'm missing a way to specify the QVariant::Type for such an object.
> >
> >  Why would you want to give each Python type a different metatype?
>
> Because of my original case, to be able to work with
> QItemEditorFactory, which parameterizes on QVariant::Type (see
> QItemEditorFactory::registerEditor).

Tonight's snapshot...

The QVariant() ctor will now register new Python types automatically. I've 
also wrapped QMetaType.type() and overloaded it so that you can pass a Python 
type. I think this is enough for what you need.

Phil
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