In spite of the Elop shenanigans at Nokia, Qt is very healthy, and Qt5 has even been demoed on the Raspberry Pi. Pyside is now totally integrated and mature. Please take a look.

http://qt-project.org/wiki/PySide-Tutorials-by-Experience-Le...

http://doc.qt.digia.com/4.7-snapshot/gettingstartedqml.html

http://qt-project.org/wiki/PySide-and-QML-Playground