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#!/usr/bin/env python
# MIT License
#
# Copyright (c) 2018 Andreas Backx
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Spotify DBus listener"""
import os
import socket
import logging
from concurrent.futures import ThreadPoolExecutor
import click
import dbus # type: ignore
import dbus.mainloop.glib # type: ignore
from dbus.mainloop.glib import DBusGMainLoop
from gi.repository import GLib # type: ignore
#from spotipy import SpotifyException
#from spotipy.oauth2 import SpotifyClientCredentials
INACTIVE_COLOR = '%{F#6E6E6E}'
ACTIVE_COLOR = '%{F#CECECE}'
DEFAULT_COLOR = '%{F-}'
SERVER_ADDRESS = '/tmp/spotifycl-socket'
class Spotify:
"""Spotify DBus Listener"""
# pylint: disable=too-many-instance-attributes
SPOTIFY_BUS = 'org.mpris.MediaPlayer2.spotify'
SPOTIFYD_BUS = 'org.mpris.MediaPlayer2.spotifyd'
SPOTIFY_OBJECT_PATH = '/org/mpris/MediaPlayer2'
PLAYER_INTERFACE = 'org.mpris.MediaPlayer2.Player'
PROPERTIES_INTERFACE = 'org.freedesktop.DBus.Properties'
SAVE_REMOVE = b'save'
logging.basicConfig(filename="/tmp/spotifycl.log", level=logging.DEBUG)
logger = logging.getLogger("spotifycl")
def __init__(self):
DBusGMainLoop(set_as_default=True)
self.session_bus = dbus.SessionBus()
self.last_output = ''
self.empty_output = True
# Last shown metadata
self.last_title = None
# Whether the current song is added to the library
self.saved_track = False
# Whether to ignore the update
self.ignore = False
# DBus session object
self.freedesktop = None
self.spotify = None
def monitor(self):
""" Monitor """
self.logger.info("monitor")
self.setup_properties_changed()
self.freedesktop = self.session_bus.get_object(
"org.freedesktop.DBus",
"/org/freedesktop/DBus"
)
self.freedesktop.connect_to_signal(
"NameOwnerChanged",
self.on_name_owner_changed,
arg0=self.SPOTIFYD_BUS
)
executor = ThreadPoolExecutor(max_workers=2)
executor.submit(self._start_glib_loop)
executor.submit(self._start_server)
@staticmethod
def _start_glib_loop():
""" Start Glib loop """
loop = GLib.MainLoop()
loop.run()
@staticmethod
def _start_server():
try:
os.unlink(SERVER_ADDRESS)
except OSError:
if os.path.exists(SERVER_ADDRESS):
raise
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.bind(SERVER_ADDRESS)
sock.listen(5)
@property
def metadata_status(self):
""" Get song status """
spotify_properties = dbus.Interface(
self.spotify,
dbus_interface=Spotify.PROPERTIES_INTERFACE
)
metadata = spotify_properties.Get(
Spotify.PLAYER_INTERFACE,
'Metadata'
)
playback_status = spotify_properties.Get(
Spotify.PLAYER_INTERFACE,
'PlaybackStatus'
)
return metadata, playback_status
def output(self, line):
""" Output for polybar """
if not line:
self.empty_output = True
if line != self.last_output:
print(line, flush=True)
self.last_output = line
def setup_spotify(self):
""" Setup spotify DBus session object """
self.logger.info("setup spotify")
try:
self.spotify = self.session_bus.get_object(
Spotify.SPOTIFY_BUS,
Spotify.SPOTIFY_OBJECT_PATH
)
except dbus.DBusException as error:
self.logger.warning("DbusException: %s", error)
self.spotify = self.session_bus.get_object(
Spotify.SPOTIFYD_BUS,
Spotify.SPOTIFY_OBJECT_PATH)
def setup_properties_changed(self):
""" Setup propertise changed """
try:
self.setup_spotify()
self.spotify.connect_to_signal(
'PropertiesChanged',
self.on_properties_changed
)
if self.empty_output:
metadata, playback_status = self.metadata_status
self.output_playback_status(
data={
'Metadata': metadata,
'PlaybackStatus': playback_status,
}
)
except dbus.DBusException:
self.logger.warning("Exception")
self.output('')
def output_playback_status(self, data, retry=False):
""" output current song """
if self.ignore:
return
metadata = data['Metadata']
artists = metadata['xesam:artist']
artist = artists[0] if artists else None
if not artist:
self.output('')
return
title = metadata['xesam:title']
playback_status = data['PlaybackStatus']
same_song = title == self.last_title
color = ACTIVE_COLOR if playback_status == 'Playing' else INACTIVE_COLOR
# divider = '+' if same_song and self.saved_track else '-'
self.output(f'{color}{artist} - {title}{DEFAULT_COLOR}')
if not same_song:
self.last_title = title
def on_properties_changed(self, interface, data, *args, **kwargs):
"""On name properties changed event"""
del interface, args, kwargs
self.output_playback_status(data)
def on_name_owner_changed(self, name, old_owner, new_owner):
"""On name owner changed event"""
del old_owner
if name == self.SPOTIFY_BUS:
if new_owner:
# Spotify was opened.
self.setup_properties_changed()
else:
# Spotify was closed.
self.spotify = None
self.output('')
@click.group()
def cli():
"""Script for listening to Spotify over dbus and adding tracks to your library."""
@cli.command()
def status():
"""Follow the status of the currently playing song on Spotify."""
spotify = Spotify()
spotify.monitor()
if __name__ == '__main__':
cli()
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