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snapcast/control/snapcast_mpris.py
badaix 91ea368121 Add RPC "Stream.Control" command
2021-05-24 22:36:16 +02:00

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Authors: Jean-Philippe Braun <eon@patapon.info>,
# Mantas Mikulėnas <grawity@gmail.com>
# Based on mpDris from: Erik Karlsson <pilo@ayeon.org>
# Some bits taken from quodlibet mpris plugin by <christoph.reiter@gmx.at>
from time import sleep
import websocket
import logging
import threading
import json
from configparser import ConfigParser
import os
import sys
import re
import shlex
import getopt
import socket
import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
import logging
import gettext
import requests
__version__ = "@version@"
__git_version__ = "@gitversion@"
try:
import mutagen
except ImportError:
mutagen = None
try:
import gi
gi.require_version('Notify', '0.7')
except (ImportError, ValueError):
pass
using_gi_glib = False
try:
from gi.repository import GLib
using_gi_glib = True
except ImportError:
import glib as GLib
using_gi_notify = False
using_old_notify = False
try:
from gi.repository import Notify
using_gi_notify = True
except ImportError:
try:
import pynotify
using_old_notify = True
except ImportError:
pass
_ = gettext.gettext
identity = "Snapcast"
params = {
'progname': sys.argv[0],
# Connection
'host': None,
'port': None,
'password': None,
'bus_name': None,
'client': None,
# Bling
'mmkeys': True,
'notify': (using_gi_notify or using_old_notify),
'notify_urgency': 0,
}
defaults = {
# Connection
'host': 'localhost',
'port': 1780,
'client': None,
'password': None,
'bus_name': None,
}
notification = None
# MPRIS allowed metadata tags
allowed_tags = {
'mpris:trackid': dbus.ObjectPath,
'mpris:length': dbus.Int64,
'mpris:artUrl': str,
'xesam:album': str,
'xesam:albumArtist': list,
'xesam:artist': list,
'xesam:asText': str,
'xesam:audioBPM': int,
'xesam:comment': list,
'xesam:composer': list,
'xesam:contentCreated': str,
'xesam:discNumber': int,
'xesam:firstUsed': str,
'xesam:genre': list,
'xesam:lastUsed': str,
'xesam:lyricist': str,
'xesam:title': str,
'xesam:trackNumber': int,
'xesam:url': str,
'xesam:useCount': int,
'xesam:userRating': float,
}
# python dbus bindings don't include annotations and properties
MPRIS2_INTROSPECTION = """<node name="/org/mpris/MediaPlayer2">
<interface name="org.freedesktop.DBus.Introspectable">
<method name="Introspect">
<arg direction="out" name="xml_data" type="s"/>
</method>
</interface>
<interface name="org.freedesktop.DBus.Properties">
<method name="Get">
<arg direction="in" name="interface_name" type="s"/>
<arg direction="in" name="property_name" type="s"/>
<arg direction="out" name="value" type="v"/>
</method>
<method name="GetAll">
<arg direction="in" name="interface_name" type="s"/>
<arg direction="out" name="properties" type="a{sv}"/>
</method>
<method name="Set">
<arg direction="in" name="interface_name" type="s"/>
<arg direction="in" name="property_name" type="s"/>
<arg direction="in" name="value" type="v"/>
</method>
<signal name="PropertiesChanged">
<arg name="interface_name" type="s"/>
<arg name="changed_properties" type="a{sv}"/>
<arg name="invalidated_properties" type="as"/>
</signal>
</interface>
<interface name="org.mpris.MediaPlayer2">
<method name="Raise"/>
<method name="Quit"/>
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="false"/>
<property name="CanQuit" type="b" access="read"/>
<property name="CanRaise" type="b" access="read"/>
<property name="HasTrackList" type="b" access="read"/>
<property name="Identity" type="s" access="read"/>
<property name="DesktopEntry" type="s" access="read"/>
<property name="SupportedUriSchemes" type="as" access="read"/>
<property name="SupportedMimeTypes" type="as" access="read"/>
</interface>
<interface name="org.mpris.MediaPlayer2.Player">
<method name="Next"/>
<method name="Previous"/>
<method name="Pause"/>
<method name="PlayPause"/>
<method name="Stop"/>
<method name="Play"/>
<method name="Seek">
<arg direction="in" name="Offset" type="x"/>
</method>
<method name="SetPosition">
<arg direction="in" name="TrackId" type="o"/>
<arg direction="in" name="Position" type="x"/>
</method>
<method name="OpenUri">
<arg direction="in" name="Uri" type="s"/>
</method>
<signal name="Seeked">
<arg name="Position" type="x"/>
</signal>
<property name="PlaybackStatus" type="s" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="LoopStatus" type="s" access="readwrite">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="Rate" type="d" access="readwrite">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="Shuffle" type="b" access="readwrite">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="Metadata" type="a{sv}" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="Volume" type="d" access="readwrite">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="false"/>
</property>
<property name="Position" type="x" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="false"/>
</property>
<property name="MinimumRate" type="d" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="MaximumRate" type="d" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="CanGoNext" type="b" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="CanGoPrevious" type="b" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="CanPlay" type="b" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="CanPause" type="b" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="CanSeek" type="b" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="true"/>
</property>
<property name="CanControl" type="b" access="read">
<annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="false"/>
</property>
</interface>
</node>"""
class SnapcastRpcListener:
def on_snapserver_stream_pause(self):
pass
def on_snapserver_stream_start(self, stream_name, stream_group):
pass
def on_snapserver_volume_change(self, volume_level):
pass
def on_snapserver_mute(self):
pass
def on_snapserver_unmute(self):
pass
tag_mapping = {
'trackId': 'mpris:trackid',
'artUrl': 'mpris:artUrl',
'duration': 'mpris:length',
'album': 'xesam:album',
'albumArtist': 'xesam:albumArtist',
'artist': 'xesam:artist',
'asText': 'xesam:asText',
'audioBPM': 'xesam:audioBPM',
'autoRating': 'xesam:autoRating',
'comment': 'xesam:comment',
'composer': 'xesam:composer',
'contentCreated': 'xesam:contentCreated',
'discNumber': 'xesam:discNumber',
'firstUsed': 'xesam:firstUsed',
'genre': 'xesam:genre',
'lastUsed': 'xesam:lastUsed',
'lyricist': 'xesam:lyricist',
'title': 'xesam:title',
'trackNumber': 'xesam:trackNumber',
'url': 'xesam:url',
'useCount': 'xesam:useCount',
'userRating': 'xesam:userRating',
}
class MPDWrapper(object):
""" Wrapper of mpd.MPDClient to handle socket
errors and similar
"""
def __init__(self, params):
# self.client = mpd.MPDClient()
self._dbus = dbus
self._params = params
self._dbus_service = None
self._can_single = False
self._errors = 0
self._status = {
'state': None,
'volume': None,
'random': None,
'repeat': None,
}
self._metadata = {}
self._position = 0
self._time = 0
self._bus = dbus.SessionBus()
if self._params['mmkeys']:
self.setup_mediakeys()
self.websocket = websocket.WebSocketApp("ws://" + self._params['host'] + ":" + str(self._params['port']) + "/jsonrpc",
on_message=self.on_ws_message,
on_error=self.on_ws_error,
on_open=self.on_ws_open,
on_close=self.on_ws_close)
self.websocket_thread = threading.Thread(
target=self.websocket_loop, args=())
self.websocket_thread.name = "SnapcastRpcWebsocketWrapper"
self.websocket_thread.start()
def websocket_loop(self):
logger.info("Started SnapcastRpcWebsocketWrapper loop")
while True:
self.websocket.run_forever()
sleep(1)
logger.info("Ending SnapcastRpcWebsocketWrapper loop")
def on_ws_message(self, ws, message):
logger.debug("Snapcast RPC websocket message received")
logger.debug(message)
jmsg = json.loads(message)
if jmsg["method"] == "Stream.OnMetadata":
logger.info(f'Stream meta changed for "{jmsg["params"]["id"]}"')
meta = jmsg["params"]["meta"]
logger.info(f'Meta: "{meta}"')
self._metadata = {}
self._metadata['xesam:artist'] = ['Unknown Artist']
self._metadata['xesam:title'] = 'Unknown Title'
for key, value in meta.items():
if key in tag_mapping:
self._metadata[tag_mapping[key]] = value
if 'mpris:length' in self._metadata:
self._metadata['mpris:length'] = int(1000 * 1000 *
self._metadata['mpris:length'])
if 'mpris:trackid' in self._metadata:
self._metadata[
'mpris:trackid'] = f'/org/mpris/MediaPlayer2/Track/{self._metadata["mpris:trackid"]}'
logger.info(f'mpris meta: {self._metadata}')
self.notify_about_track(self._metadata)
new_meta = self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
'Metadata')
logger.info(f'new meta {new_meta}')
def on_ws_error(self, ws, error):
logger.error("Snapcast RPC websocket error")
logger.error(error)
def on_ws_open(self, ws):
logger.info("Snapcast RPC websocket opened")
# Export our DBUS service
if not self._dbus_service:
self._dbus_service = MPRISInterface(self._params)
else:
# Add our service to the session bus
# self._dbus_service.add_to_connection(dbus.SessionBus(),
# '/org/mpris/MediaPlayer2')
self._dbus_service.acquire_name()
self.websocket.send(json.dumps(
{"id": 1, "jsonrpc": "2.0", "method": "Server.GetStatus"}))
def on_ws_close(self, ws):
logger.info("Snapcast RPC websocket closed")
if self._dbus_service is not None:
self._dbus_service.release_name()
# self._dbus_service.remove_from_connection()
def stop(self):
self.websocket.keep_running = False
logger.info("Waiting for websocket thread to exit")
# self.websocket_thread.join()
# def run(self):
# """
# Try to connect to MPD; retry every 5 seconds on failure.
# """
# if self.my_connect():
# GLib.timeout_add_seconds(5, self.my_connect)
# return False
# else:
# return True
# @property
# def connected(self):
# return self.client._sock is not None
# def init_state(self):
# # Get current state
# self._status = self.client.status()
# # Invalid some fields to throw events at start
# self._status['state'] = 'invalid'
# self._status['songid'] = '-1'
# self._position = 0
# Events
# def socket_callback(self, fd, event):
# logger.debug("Socket event %r on fd %r" % (event, fd))
# if event & GLib.IO_HUP:
# self.reconnect()
# return True
# elif event & GLib.IO_IN:
# if self._idling:
# self._idling = False
# data = fd._fetch_objects("changed")
# logger.debug("Idle events: %r" % data)
# updated = False
# for item in data:
# subsystem = item["changed"]
# # subsystem list: <http://www.musicpd.org/doc/protocol/ch03.html>
# if subsystem in ("player", "mixer", "options", "playlist"):
# if not updated:
# self._update_properties(force=True)
# updated = True
# self.idle_enter()
# return True
def mediakey_callback(self, appname, key):
""" GNOME media key handler """
logger.debug('Got GNOME mmkey "%s" for "%s"' % (key, appname))
# if key == 'Play':
# if self._status['state'] == 'play':
# self.client.pause(1)
# self.notify_about_state('pause')
# else:
# self.play()
# self.notify_about_state('play')
# elif key == 'Next':
# self.client.next()
# elif key == 'Previous':
# self.client.previous()
# elif key == 'Stop':
# self.client.stop()
# self.notify_about_state('stop')
# def last_currentsong(self):
# return self._currentsong.copy()
def control(self, command): # , param = ""):
logger.info(f'Control: {command}')
requests.post(f'http://{params["host"]}:{params["port"]}/jsonrpc', json={
"id": 1, "jsonrpc": "2.0", "method": "Stream.Control", "params": {"id": "Pipe", "command": command}})
@property
def metadata(self):
return self._metadata
def notify_about_track(self, meta, state='play'):
uri = 'sound'
if 'mpris:artUrl' in meta:
uri = meta['mpris:artUrl']
title = 'Unknown Title'
if 'xesam:title' in meta:
title = meta['xesam:title']
elif 'xesam:url' in meta:
title = meta['xesam:url'].split('/')[-1]
artist = ['Unknown Artist']
if 'xesam:artist' in meta:
artist = ", ".join(meta['xesam:artist'])
body = _('by %s') % artist
if state == 'pause':
uri = 'media-playback-pause-symbolic'
body += ' (%s)' % _('Paused')
notification.notify(title, body, uri)
def notify_about_state(self, state):
if state == 'stop':
notification.notify(identity, _('Stopped'),
'media-playback-stop-symbolic')
else:
self.notify_about_track(self.metadata, state)
# def _update_properties(self, force=False):
# old_status = self._status
# old_position = self._position
# old_time = self._time
# self._currentsong = self.client.currentsong()
# new_status = self.client.status()
# self._time = new_time = int(time.time())
# if not new_status:
# logger.debug("_update_properties: failed to get new status")
# return
# self._status = new_status
# logger.debug("_update_properties: current song = %r" %
# self._currentsong)
# logger.debug("_update_properties: current status = %r" % self._status)
# if 'elapsed' in new_status:
# new_position = float(new_status['elapsed'])
# elif 'time' in new_status:
# new_position = int(new_status['time'].split(':')[0])
# else:
# new_position = 0
# self._position = new_position
# # "player" subsystem
# if old_status['state'] != new_status['state']:
# self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
# 'PlaybackStatus')
# if not force:
# old_id = old_status.get('songid', None)
# new_id = new_status.get('songid', None)
# force = (old_id != new_id)
# if not force:
# if new_status['state'] == 'play':
# expected_position = old_position + (new_time - old_time)
# else:
# expected_position = old_position
# if abs(new_position - expected_position) > 0.6:
# logger.debug("Expected pos %r, actual %r, diff %r" % (
# expected_position, new_position, new_position - expected_position))
# logger.debug("Old position was %r at %r (%r seconds ago)" % (
# old_position, old_time, new_time - old_time))
# self._dbus_service.Seeked(new_position * 1000000)
# else:
# # Update current song metadata
# old_meta = self._metadata.copy()
# self.update_metadata()
# new_meta = self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
# 'Metadata')
# if self._params['notify'] and new_status['state'] != 'stop':
# if old_meta.get('xesam:artist', None) != new_meta.get('xesam:artist', None) \
# or old_meta.get('xesam:album', None) != new_meta.get('xesam:album', None) \
# or old_meta.get('xesam:title', None) != new_meta.get('xesam:title', None) \
# or old_meta.get('xesam:url', None) != new_meta.get('xesam:url', None):
# self.notify_about_track(new_meta, new_status['state'])
# # "mixer" subsystem
# if old_status.get('volume') != new_status.get('volume'):
# self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
# 'Volume')
# # "options" subsystem
# # also triggered if consume, crossfade or ReplayGain are updated
# if old_status['random'] != new_status['random']:
# self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
# 'Shuffle')
# if (old_status['repeat'] != new_status['repeat']
# or old_status.get('single', 0) != new_status.get('single', 0)):
# self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
# 'LoopStatus')
# if ("nextsongid" in old_status) != ("nextsongid" in new_status):
# self._dbus_service.update_property('org.mpris.MediaPlayer2.Player',
# 'CanGoNext')
# Media keys
def setup_mediakeys(self):
self.register_mediakeys()
self._dbus_obj = self._bus.get_object("org.freedesktop.DBus",
"/org/freedesktop/DBus")
self._dbus_obj.connect_to_signal("NameOwnerChanged",
self.gsd_name_owner_changed_callback,
arg0="org.gnome.SettingsDaemon")
def register_mediakeys(self):
try:
try:
gsd_object = self._bus.get_object("org.gnome.SettingsDaemon.MediaKeys",
"/org/gnome/SettingsDaemon/MediaKeys")
except:
# Try older name.
gsd_object = self._bus.get_object("org.gnome.SettingsDaemon",
"/org/gnome/SettingsDaemon/MediaKeys")
gsd_object.GrabMediaPlayerKeys("mpDris2", 0,
dbus_interface="org.gnome.SettingsDaemon.MediaKeys")
except:
logger.warning(
"Failed to connect to GNOME Settings Daemon. Media keys won't work.")
else:
self._bus.remove_signal_receiver(self.mediakey_callback)
gsd_object.connect_to_signal(
"MediaPlayerKeyPressed", self.mediakey_callback)
def gsd_name_owner_changed_callback(self, bus_name, old_owner, new_owner):
if bus_name == "org.gnome.SettingsDaemon" and new_owner != "":
def reregister():
logger.debug(
"Re-registering with GNOME Settings Daemon (owner %s)" % new_owner)
self.register_mediakeys()
return False
# Timeout is necessary since g-s-d takes some time to load all plugins.
GLib.timeout_add(600, reregister)
# Compatibility functions
class NotifyWrapper(object):
def __init__(self, params):
self._notification = None
self._enabled = True
if params["notify"]:
self._notification = self._bootstrap_notifications()
if not self._notification:
logger.error(
"No notification service provider could be found; disabling notifications")
else:
self._enabled = False
def _bootstrap_notifications(self):
# Check if someone is providing the notification service
bus = dbus.SessionBus()
try:
bus.get_name_owner("org.freedesktop.Notifications")
except dbus.exceptions.DBusException:
return None
notif = None
# Bootstrap whatever notifications system we are using
if using_gi_notify:
logger.debug("Initializing GObject.Notify")
if Notify.init(identity):
notif = Notify.Notification()
notif.set_hint("desktop-entry", GLib.Variant("s", "mpdris2"))
notif.set_hint("transient", GLib.Variant("b", True))
else:
logger.error(
"Failed to init libnotify; disabling notifications")
elif using_old_notify:
logger.debug("Initializing old pynotify")
if pynotify.init(identity):
notif = pynotify.Notification("", "", "")
notif.set_hint("desktop-entry", "mpdris2")
notif.set_hint("transient", True)
else:
logger.error(
"Failed to init libnotify; disabling notifications")
return notif
def notify(self, title, body, uri=''):
if not self._enabled:
return
# If we did not yet manage to get a notification service,
# try again
if not self._notification:
logger.info(
'Retrying to acquire a notification service provider...')
self._notification = self._bootstrap_notifications()
if self._notification:
logger.info('Notification service provider acquired!')
if self._notification:
try:
self._notification.set_urgency(params['notify_urgency'])
self._notification.update(title, body, uri)
self._notification.show()
except GLib.GError as err:
logger.error("Failed to show notification: %s" % err)
class MPRISInterface(dbus.service.Object):
''' The base object of an MPRIS player '''
__path = "/org/mpris/MediaPlayer2"
__introspect_interface = "org.freedesktop.DBus.Introspectable"
__prop_interface = dbus.PROPERTIES_IFACE
def __init__(self, params):
dbus.service.Object.__init__(self, dbus.SessionBus(),
MPRISInterface.__path)
self._params = params or {}
self._name = self._params["bus_name"] or "org.mpris.MediaPlayer2.snapcast"
if not self._name.startswith("org.mpris.MediaPlayer2."):
logger.warn(
"Configured bus name %r is outside MPRIS2 namespace" % self._name)
self._bus = dbus.SessionBus()
self._uname = self._bus.get_unique_name()
self._dbus_obj = self._bus.get_object("org.freedesktop.DBus",
"/org/freedesktop/DBus")
self._dbus_obj.connect_to_signal("NameOwnerChanged",
self._name_owner_changed_callback,
arg0=self._name)
self.acquire_name()
def _name_owner_changed_callback(self, name, old_owner, new_owner):
if name == self._name and old_owner == self._uname and new_owner != "":
try:
pid = self._dbus_obj.GetConnectionUnixProcessID(new_owner)
except:
pid = None
logger.info("Replaced by %s (PID %s)" %
(new_owner, pid or "unknown"))
loop.quit()
def acquire_name(self):
self._bus_name = dbus.service.BusName(self._name,
bus=self._bus,
allow_replacement=True,
replace_existing=True)
def release_name(self):
if hasattr(self, "_bus_name"):
del self._bus_name
__root_interface = "org.mpris.MediaPlayer2"
__root_props = {
"CanQuit": (False, None),
"CanRaise": (False, None),
"DesktopEntry": ("mpdris2", None),
"HasTrackList": (False, None),
"Identity": (identity, None),
"SupportedUriSchemes": (dbus.Array(signature="s"), None),
"SupportedMimeTypes": (dbus.Array(signature="s"), None)
}
def __get_playback_status():
# status = mpd_wrapper.last_status()
# return {'play': 'Playing', 'pause': 'Paused', 'stop': 'Stopped'}[status['state']]
return 'Playing'
def __set_loop_status(value):
logger.debug(f'set_loop_status "{value}"')
# if value == "Playlist":
# mpd_wrapper.repeat(1)
# if mpd_wrapper._can_single:
# mpd_wrapper.single(0)
# elif value == "Track":
# if mpd_wrapper._can_single:
# mpd_wrapper.repeat(1)
# mpd_wrapper.single(1)
# elif value == "None":
# mpd_wrapper.repeat(0)
# if mpd_wrapper._can_single:
# mpd_wrapper.single(0)
# else:
# raise dbus.exceptions.DBusException("Loop mode %r not supported" %
# value)
return
def __get_loop_status():
logger.debug(f'get_loop_status')
# status = mpd_wrapper.last_status()
# if int(status['repeat']) == 1:
# if int(status.get('single', 0)) == 1:
# return "Track"
# else:
# return "Playlist"
# else:
# return "None"
return "None"
def __set_shuffle(value):
logger.debug(f'set_shuffle "{value}"')
# mpd_wrapper.random(value)
return
def __get_shuffle():
logger.debug(f'get_shuffle')
# if int(mpd_wrapper.last_status()['random']) == 1:
# return True
# else:
# return False
return False
def __get_metadata():
logger.debug(f'get_metadata: {snapcast_wrapper.metadata}')
return dbus.Dictionary(snapcast_wrapper.metadata, signature='sv')
def __get_volume():
logger.debug(f'get_volume')
# vol = float(mpd_wrapper.last_status().get('volume', 0))
# if vol > 0:
# return vol / 100.0
# else:
# return 0.0
return 0.0
def __set_volume(value):
logger.debug(f'set_voume: {value}')
# if value >= 0 and value <= 1:
# mpd_wrapper.setvol(int(value * 100))
return
def __get_position():
logger.debug(f'get_position')
# status = mpd_wrapper.last_status()
# if 'time' in status:
# current, end = status['time'].split(':')
# return dbus.Int64((int(current) * 1000000))
# else:
# return dbus.Int64(0)
return dbus.Int64(0)
__player_interface = "org.mpris.MediaPlayer2.Player"
__player_props = {
"PlaybackStatus": (__get_playback_status, None),
"LoopStatus": (__get_loop_status, __set_loop_status),
"Rate": (1.0, None),
"Shuffle": (__get_shuffle, __set_shuffle),
"Metadata": (__get_metadata, None),
"Volume": (__get_volume, __set_volume),
"Position": (__get_position, None),
"MinimumRate": (1.0, None),
"MaximumRate": (1.0, None),
"CanGoNext": (True, None),
"CanGoPrevious": (True, None),
"CanPlay": (True, None),
"CanPause": (True, None),
"CanSeek": (True, None),
"CanControl": (True, None),
}
__prop_mapping = {
__player_interface: __player_props,
__root_interface: __root_props,
}
@ dbus.service.method(__introspect_interface)
def Introspect(self):
return MPRIS2_INTROSPECTION
@ dbus.service.signal(__prop_interface, signature="sa{sv}as")
def PropertiesChanged(self, interface, changed_properties,
invalidated_properties):
pass
@ dbus.service.method(__prop_interface,
in_signature="ss", out_signature="v")
def Get(self, interface, prop):
getter, setter = self.__prop_mapping[interface][prop]
if callable(getter):
return getter()
return getter
@ dbus.service.method(__prop_interface,
in_signature="ssv", out_signature="")
def Set(self, interface, prop, value):
getter, setter = self.__prop_mapping[interface][prop]
if setter is not None:
setter(value)
@ dbus.service.method(__prop_interface,
in_signature="s", out_signature="a{sv}")
def GetAll(self, interface):
read_props = {}
props = self.__prop_mapping[interface]
for key, (getter, setter) in props.items():
if callable(getter):
getter = getter()
read_props[key] = getter
return read_props
def update_property(self, interface, prop):
getter, setter = self.__prop_mapping[interface][prop]
if callable(getter):
value = getter()
else:
value = getter
logger.debug('Updated property: %s = %s' % (prop, value))
self.PropertiesChanged(interface, {prop: value}, [])
return value
# Root methods
@ dbus.service.method(__root_interface, in_signature='', out_signature='')
def Raise(self):
logger.info('Raise')
return
@ dbus.service.method(__root_interface, in_signature='', out_signature='')
def Quit(self):
logger.info('Quit')
return
# Player methods
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def Next(self):
snapcast_wrapper.control("next")
return
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def Previous(self):
snapcast_wrapper.control("previous")
return
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def Pause(self):
snapcast_wrapper.control("pause")
return
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def PlayPause(self):
snapcast_wrapper.control("playpause")
return
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def Stop(self):
snapcast_wrapper.control("stop")
return
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def Play(self):
snapcast_wrapper.control("play")
return
@ dbus.service.method(__player_interface, in_signature='x', out_signature='')
def Seek(self, offset):
logger.info(f'Seek {offset}')
# status = mpd_wrapper.status()
# current, end = status['time'].split(':')
# current = int(current)
# end = int(end)
# offset = int(offset) / 1000000
# if current + offset <= end:
# position = current + offset
# if position < 0:
# position = 0
# mpd_wrapper.seekid(int(status['songid']), position)
# self.Seeked(position * 1000000)
return
@ dbus.service.method(__player_interface, in_signature='ox', out_signature='')
def SetPosition(self, trackid, position):
logger.info(f'SetPosition trackid: {trackid}, position: {position}')
# song = mpd_wrapper.last_currentsong()
# # FIXME: use real dbus objects
# if str(trackid) != '/org/mpris/MediaPlayer2/Track/%s' % song['id']:
# return
# # Convert position to seconds
# position = int(position) / 1000000
# if position <= int(song['time']):
# mpd_wrapper.seekid(int(song['id']), position)
# self.Seeked(position * 1000000)
return
@ dbus.service.method(__player_interface, in_signature='', out_signature='')
def OpenUri(self):
logger.info('OpenUri')
# TODO
return
# Player signals
@ dbus.service.signal(__player_interface, signature='x')
def Seeked(self, position):
logger.debug("Seeked to %i" % position)
return float(position)
def __get_client_from_server_status(status):
client = None
try:
for group in status['result']['server']['groups']:
for client in group['clients']:
if client['host']['name'] == hostname:
active = client["connected"]
logger.info(
f'Client with id "{client["id"]}" active: {active}')
client = client['id']
if active:
return client
except:
logger.error('Failed to parse server status')
return client
def usage(params):
print("""\
Usage: %(progname)s [OPTION]...
-c, --config=PATH Read a custom configuration file
-h, --host=ADDR Set the mpd server address
--port=PORT Set the TCP port
--client=ID Set the client id
-d, --debug Run in debug mode
-j, --use-journal Log to systemd journal instead of stderr
-v, --version mpDris2 version
Environment variables MPD_HOST and MPD_PORT can be used.
Report bugs to https://github.com/eonpatapon/mpDris2/issues""" % params)
if __name__ == '__main__':
DBusGMainLoop(set_as_default=True)
gettext.bindtextdomain('mpDris2', '@datadir@/locale')
gettext.textdomain('mpDris2')
log_format_stderr = '%(asctime)s %(module)s %(levelname)s: %(message)s'
log_journal = False
log_level = logging.INFO
config_file = None
# Parse command line
try:
(opts, args) = getopt.getopt(sys.argv[1:], 'c:dh:jp:v',
['help', 'bus-name=', 'config=',
'debug', 'host=', 'client='
'use-journal', 'path=', 'port=',
'version'])
except getopt.GetoptError as ex:
(msg, opt) = ex.args
print("%s: %s" % (sys.argv[0], msg), file=sys.stderr)
print(file=sys.stderr)
usage(params)
sys.exit(2)
for (opt, arg) in opts:
if opt in ['--help']:
usage(params)
sys.exit()
elif opt in ['--bus-name']:
params['bus_name'] = arg
elif opt in ['-c', '--config']:
config_file = arg
elif opt in ['-d', '--debug']:
log_level = logging.DEBUG
elif opt in ['-h', '--host']:
params['host'] = arg
elif opt in ['-j', '--use-journal']:
log_journal = True
elif opt in ['--port']:
params['port'] = int(arg)
elif opt in ['--client']:
params['client'] = int(arg)
elif opt in ['-v', '--version']:
v = __version__
if __git_version__:
v = __git_version__
print("mpDris2 version %s" % v)
sys.exit()
if len(args) > 2:
usage(params)
sys.exit()
logger = logging.getLogger('snapcast_mpris')
logger.propagate = False
logger.setLevel(log_level)
# Attempt to configure systemd journal logging, if enabled
if log_journal:
try:
from systemd.journal import JournalHandler
log_handler = JournalHandler(SYSLOG_IDENTIFIER='snapcast_mpris')
except ImportError:
log_journal = False
# Log to stderr if journal logging was not enabled, or if setup failed
if not log_journal:
log_handler = logging.StreamHandler()
log_handler.setFormatter(logging.Formatter(log_format_stderr))
logger.addHandler(log_handler)
# Pick up the server address (argv -> environment -> config)
for arg in args[:2]:
if arg.isdigit():
params['port'] = arg
else:
params['host'] = arg
if not params['host']:
if 'MPD_HOST' in os.environ:
params['host'] = os.environ['MPD_HOST']
if not params['port']:
if 'MPD_PORT' in os.environ:
params['port'] = os.environ['MPD_PORT']
for p in ['host', 'port', 'password', 'bus_name', 'client']:
if not params[p]:
params[p] = defaults[p]
if '@' in params['host']:
params['password'], params['host'] = params['host'].rsplit('@', 1)
params['host'] = os.path.expanduser(params['host'])
# for p in ['mmkeys', 'notify']:
# if config.has_option('Bling', p):
# params[p] = config.getboolean('Bling', p)
# if config.has_option('Bling', 'notify_urgency'):
# params['notify_urgency'] = int(config.get('Bling', 'notify_urgency'))
if params['client'] is None:
hostname = socket.gethostname()
logger.info(
f'No client id specified, trying to find a client running on host "{hostname}"')
resp = requests.post(f'http://{params["host"]}:{params["port"]}/jsonrpc', json={
"id": 1, "jsonrpc": "2.0", "method": "Server.GetStatus"})
if resp.ok:
params['client'] = __get_client_from_server_status(
json.loads(resp.text))
if params['client'] is None:
logger.error('Client not found or not configured')
logger.info(f'Client: {params["client"]}')
logger.debug('Parameters: %r' % params)
if mutagen:
logger.info('Using Mutagen to read covers from music files.')
else:
logger.info(
'Mutagen not available, covers in music files will be ignored.')
# Set up the main loop
if using_gi_glib:
logger.debug('Using GObject-Introspection main loop.')
else:
logger.debug('Using legacy pygobject2 main loop.')
loop = GLib.MainLoop()
# Wrapper to send notifications
notification = NotifyWrapper(params)
# Create wrapper to handle connection failures with MPD more gracefully
# wrapper = SnapcastRpcWebsocketWrapper("127.0.0.1", 1780, "id", any)
snapcast_wrapper = MPDWrapper(params)
# mpd_wrapper = MPDWrapper(params)
# mpd_wrapper.run()
# Run idle loop
try:
loop.run()
except KeyboardInterrupt:
logger.debug('Caught SIGINT, exiting.')
# Clean up
# try:
# mpd_wrapper.client.close()
# mpd_wrapper.client.disconnect()
# logger.debug('Exiting')
# except mpd.ConnectionError:
# logger.error('Failed to disconnect properly')
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