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Rhythmbox: how do I access the 'rating' field of a track via a Python script?

I would like to get / set the rating associated with a specific track via Python. How do you achieve this?

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You can use the D-Bus Rhythmbox interface. I wrote a small script that can get / set the rating and display a notification acting on the currently playing song.

The script is located here: http://kaizer.se/wiki/code/rhrating.py

Addendum 1: I promise to write prettier Python when it doesn't throw the script!
Appendix 2: Invalid Usage String./rhrating.py [NEWRATING 0..5]



Addendum three: If I filter the script and take out the parts that accurately rank the song at the filesystem location uri

, it is:

import dbus
bus = dbus.Bus()

service_name = "org.gnome.Rhythmbox"
sobj_name = "/org/gnome/Rhythmbox/Shell"
siface_name = "org.gnome.Rhythmbox.Shell"

def set_rating(uri, rating):
    searchobj = bus.get_object(service_name, sobj_name)
    shell = dbus.Interface(searchobj, siface_name)
    shell.setSongProperty(uri, "rating", float(rating))
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