pycifrw : Reading and writing CIF (Crystallographic Information Format) files ( https://pypi.org/project/PyCifRW/ https://bitbucket.org/jamesrhester/pycifrw/wiki/Home )
scikit-image : Image processing routines for SciPy ( https://scikit-image.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a stuff
For Paludis use this rsync : rsync://gentoo.zugaina.org/stuff-portage
If you have a problem : ycarus(-at-)zugaina.org