Mpris listener to change yeelight color

mpris-yeelight.py

import gi.repository.GLib

from dbus.mainloop.glib import DBusGMainLoop
from io import BytesIO
from pprint import pprint

import colorthief
import mpris2
import requests

DBusGMainLoop(set_as_default=True)


class LightManager():

    API_KEY = '7fb78a81b20bee7cb6e8fad4cbcb3694'
    API_URL = 'https://ws.audioscrobbler.com/2.0/'
    YEELIGHT_URL = 'http://sakura.lan:31337/light'

    def __init__(self):
        player_uri = next(mpris2.get_players_uri())
        self.player = mpris2.Player(dbus_interface_info={
            'dbus_uri': player_uri})

        self.player.PropertiesChanged = self.property_handler

        self.last_song = None

        self.handle_changed()

    def run(self):
        mloop = gi.repository.GLib.MainLoop()
        mloop.run()

    def handle_changed(self):
        artist = str(self.player.Metadata['xesam:artist'][0])
        album = str(self.player.Metadata['xesam:album'])
        title = str(self.player.Metadata['xesam:title'])

        if (artist, album, title) != self.last_song:
            print(f'{artist} - {album} - {title}')
            self.last_song = (artist, album, title)

            cover = self.get_lastfm_cover(artist, album)
            if not cover:
                return
            color = self.get_colorcode(cover)
            self.change_color(color)

    def property_handler(self, *args, **kwargs):
        data = args[1]
        if 'Metadata' in data:
            self.handle_changed()

    def change_color(self, color):
        resp = requests.post(self.YEELIGHT_URL, {
            'rgb': color
        })
        print(resp.reason)

    @classmethod
    def get_lastfm_cover(cls, artist, album):
        res = requests.get(cls.API_URL, {
            'method': 'album.getInfo',
            'artist': artist,
            'album': album,
            'api_key': cls.API_KEY,
            'format': 'json',
        }).json()

        if 'error' in res:
            print(res)
            return

        return res['album']['image'][-1]['#text']

    @staticmethod
    def get_colorcode(image_url):
        resp = requests.get(image_url)
        file = BytesIO(resp.content)
        ct = colorthief.ColorThief(file)
        r, g, b = ct.get_color()
        print('Color: {:02x}{:02x}{:02x}'.format(r, g, b))
        r //= 2
        print('Color (Adjusted): {:02x}{:02x}{:02x}'.format(r, g, b))
        return '{:02x}{:02x}{:02x}'.format(r, g, b)


lm = LightManager()
lm.run()