python-btrfs & btrfs-heatmap ebuilds now available for Gentoo

["Holger Hoffstätte" <holger@applied-asynchrony.com>]

I wanted to migrate my collection of questionable shell scripts for btrfs
maintenance/inspection to a more stable foundation and therefore created
Gentoo ebuilds for Hans van Kranenburg's excellent python-btrfs [1] and
btrfs-heatmap [2] packages.

They can be found in my overlay at:

https://github.com/hhoffstaette/portage/tree/master/sys-fs/python-btrfs
https://github.com/hhoffstaette/portage/tree/master/sys-fs/btrfs-heatmap

Both are curently only available for python-3.6 since a change in 3.7
broke the existing python API [3]. As soon as that is fixed I'll add 3.7
to the PYTHON_COMPAT entries.

btrfs-heatmap properly uses the python-exec wrapper and therefore works
regardless of currently selected default python version.  :)

I hope this is useful to someone.

cheers,
Holger

[1] https://github.com/knorrie/python-btrfs
[2] https://github.com/knorrie/btrfs-heatmap
[3] https://github.com/knorrie/python-btrfs/issues/13