demjson : Encoder, decoder, and lint/validator for JSON compliant with RFC 4627 ( http://deron.meranda.us/python/demjson/ https://pypi.org/project/demjson/ )
unicode-slugify : A slug generator that turns strings into unicode slugs ( https://github.com/mozilla/unicode-slugify )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a np-hardass-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/np-hardass-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org