The beet userrating plugin reads and manages a userrating tag on
your music files.
Install package and scripts.
$ pip install https://github.com/mdorman/beets-userrating/archive/master.zip
Add the plugin to beets configuration file.
plugins: (...) userrating
beet userrating -h
Usage: beet ratings [options]
Options:
-h, --help show this help message and exit
It turns out that the mpdstats plugin was already maintaining a
rating attribute. It seemed easier to just adopt the userrating
nomenclature.