You can find some pyside2 packages in following Ubuntu PPA sudo apt-get install software-properties-common sudo add-apt-repository ppa:thopiekar/pyside-git sudo apt-get update apt-get install python3-pyside2
For a quick test you can try to compile the packages in Debian testing. # compile and install shiboken2 # you need at least clang 3.9, I tried it with 4.0 sudo apt install libclang-4.0-dev llvm-4.0 clang-4.0 dget https://answers.launchpad.net/~thopiekar/+archive/ubuntu/pyside-git/+files/shiboken2_2.0.0.dev0-0~201708271303~rev1711~pkg53~ubuntu17.10.1.dsc dpkg-source -x shiboken2_2.0.0.dev0-0~201708271303~rev1711~pkg53~ubuntu17.10.1.dsc sudo mk-build-deps --install ~/shiboken2-2.0.0.dev0/debian/control cd shiboken2-2.0.0.dev0/ # switch to clang/llvm 4.0 PATH=/usr/lib/llvm-4.0/bin:$PATH # may have to set this in debian/rules: CLANG_INSTALL_DIR := "/usr/lib/llvm-4.0/" debuild -j16 # install the shiboken packages ... # compile and install pyside2 dget https://answers.launchpad.net/~thopiekar/+archive/ubuntu/pyside-git/+files/pyside2_2.0.0+dev-0~201708271303~rev1779~pkg53~ubuntu17.10.1.dsc dpkg-source -x pyside2_2.0.0+dev-0~201708271303~rev1779~pkg53~ubuntu17.10.1.dsc sudo mk-build-deps --install ~/pyside2-2.0.0+dev/debian/control cd pyside2-2.0.0+dev/ rm debian/source/format debuild -j16 # install pyside2 packages ... # run a pyside2 examples from http://code.qt.io/cgit/pyside/examples.git e.g. http://code.qt.io/cgit/pyside/examples.git/tree/examples/widgets/widgets/tetrix.py
