Python UI Builder: The Official Python Bindings for Qt
Everything you can do with C++ in Qt, you can do with Python instead! Creating UIs should be fast, fun and flexible. Jumpstart your UI development by utilizing ready-made widgets, controls, beautiful charts and data visualization and create stunning 2D/3D graphics for your Python project. Qt is a powerful cross-platform application and user interface development framework with libraries which makes UI development easy.
More on Qt for Python:
Learn more about creating powerful UIs with Python and Qt, and how to use Shiboken bindings generator to create your own bindings for Qt and watch several examples in this webinar.
Get Started with Qt for Python tutorial video