python3-xapp : Python bindings for x11-libs/xapp ( https://github.com/linuxmint/python3-xapp )
tasklib : A Python library for interacting with taskwarrior databases ( https://github.com/GothenburgBitFactory/tasklib )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a binaryden
For Paludis use this rsync : rsync://gentoo.zugaina.org/binaryden-portage
If you have a problem : ycarus(-at-)zugaina.org