[Qgis-developer] QGIS 2.0 and PyQT v2 update

[Régis Haubourg]

Matthias Kuhn wrote
> We have already rendered many plugins inoperable by changing the vector 
> api (and some other API's) so lots of plugins will need some love to 
> get ready for 2.0.
> Then there is the PyQt API V2 change which will render some more 
> plugins useless.
> And I was just remembering, that I've heard, that the upgrade to PyQt 
> API V2 is done to be ready for Python 3. So it's probably also worth 
> considering, if the PyQt version changes and python upgrade should 
> happen at the same point in time. I have never upgraded code from 
> Python 2 to Python 3 myself, but there seem to be some differences 
> which require work to migrate.
> 
> In order to be able to plan the plugin development. Is the upgrade to 
> Python 3 something which is really considered to happen in the next 
> couple of years? Would it not scare too many plugin developers and 
> users away, because it will require once more a considerable effort to 
> update?
> If Python 3 is not an option for the next couple of years, is it worth 
> upgrading the PyQt API now?
> Would it be better to upgrade to Python 3 right now! Because this will 
> require plugin developers to go over all their code now. Once only.
> 
> I know it's quite late (with respect to the 2.0 roadmap) to bring this 
> up, but I haven't really thought of it earlier and I think it's a very 
> important decision.
> 
> http://lists.osgeo.org/mailman/listinfo/qgis-developer

+1 with Matthias, we should plan pyqt2 and python 3 for a future release. I
see major risks in migrating now when we are in feature freeze with so many
blockers to solve in 2 months. We have very few users and developpers that
did real test to migrate to pyqt2 and python 3 , so we might have major
issues hidden in there. 
We users really need 2.0 to happen this year in a stable state and I guess
this is already a great challenge. 
My two cents. 
Régis



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