flvlib : Python library for parsing, manipulating and indexing FLV files ( http://wulczer.org/flvlib/ )
hsaudiotag : Python library for reading metadata (tags) of mp3, mp4, wma, ogg, flac and aiff files ( http://hg.hardcoded.net/hsaudiotag/ )
python-mpd : Python MPD client library ( https://github.com/Mic92/python-mpd2 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a vampire
For Paludis use this rsync : rsync://gentoo.zugaina.org/vampire-portage
If you have a problem : ycarus(-at-)zugaina.org