A Python script which can display information for the currently playing track on Spotify for Linux.

spotify_playing.py

import dbus
import time

session_bus = dbus.SessionBus()
spotify_bus = session_bus.get_object("org.mpris.MediaPlayer2.spotify",
                                     "/org/mpris/MediaPlayer2")
spotify_properties = dbus.Interface(spotify_bus,
                                    "org.freedesktop.DBus.Properties")


def get_playing_now():
    metadata = spotify_properties.Get("org.mpris.MediaPlayer2.Player", "Metadata")
    return {'title': str(metadata['xesam:title']),
            'artist': str(metadata['xesam:artist'][0]),
            'album': str(metadata['xesam:album'])}


def all_metadata():
    # The property Metadata behaves like a python dict
    md = {}
    for key, value in metadata.items():
        md[key] = value
    return md


def _main():
    current_song = get_playing_now()
    last_song = current_song
    print(current_song)

    while True:
        current_song = get_playing_now()

        if current_song != last_song:
            last_song = current_song
            print(current_song)
        time.sleep(2)


if __name__ == '__main__':
    _main()