pyside : Python bindings for the Qt framework ( https://wiki.qt.io/PySide2 )
pyside-tools : PySide development tools (lupdate, rcc, uic) ( https://wiki.qt.io/PySide2 )
shiboken : Python binding generator for C++ libraries ( https://wiki.qt.io/PySide2 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a qt
For Paludis use this rsync : rsync://gentoo.zugaina.org/qt-portage
If you have a problem : ycarus(-at-)zugaina.org