core/homeassistant/components/squeezebox/media_player.py

549 lines
16 KiB
Python

"""Support for interfacing to the Logitech SqueezeBox API."""
import asyncio
import json
import logging
import socket
import urllib.parse
import aiohttp
import async_timeout
import voluptuous as vol
from homeassistant.components.media_player import PLATFORM_SCHEMA, MediaPlayerDevice
from homeassistant.components.media_player.const import (
ATTR_MEDIA_ENQUEUE,
MEDIA_TYPE_MUSIC,
SUPPORT_CLEAR_PLAYLIST,
SUPPORT_NEXT_TRACK,
SUPPORT_PAUSE,
SUPPORT_PLAY,
SUPPORT_PLAY_MEDIA,
SUPPORT_PREVIOUS_TRACK,
SUPPORT_SEEK,
SUPPORT_SHUFFLE_SET,
SUPPORT_TURN_OFF,
SUPPORT_TURN_ON,
SUPPORT_VOLUME_MUTE,
SUPPORT_VOLUME_SET,
)
from homeassistant.const import (
ATTR_COMMAND,
ATTR_ENTITY_ID,
CONF_HOST,
CONF_PASSWORD,
CONF_PORT,
CONF_USERNAME,
STATE_IDLE,
STATE_OFF,
STATE_PAUSED,
STATE_PLAYING,
)
from homeassistant.helpers.aiohttp_client import async_get_clientsession
import homeassistant.helpers.config_validation as cv
from homeassistant.exceptions import PlatformNotReady
from homeassistant.util.dt import utcnow
from .const import DOMAIN, SERVICE_CALL_METHOD
_LOGGER = logging.getLogger(__name__)
DEFAULT_PORT = 9000
TIMEOUT = 10
SUPPORT_SQUEEZEBOX = (
SUPPORT_PAUSE
| SUPPORT_VOLUME_SET
| SUPPORT_VOLUME_MUTE
| SUPPORT_PREVIOUS_TRACK
| SUPPORT_NEXT_TRACK
| SUPPORT_SEEK
| SUPPORT_TURN_ON
| SUPPORT_TURN_OFF
| SUPPORT_PLAY_MEDIA
| SUPPORT_PLAY
| SUPPORT_SHUFFLE_SET
| SUPPORT_CLEAR_PLAYLIST
)
MEDIA_PLAYER_SCHEMA = vol.Schema({ATTR_ENTITY_ID: cv.comp_entity_ids})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_PASSWORD): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_USERNAME): cv.string,
}
)
DATA_SQUEEZEBOX = "squeezebox"
KNOWN_SERVERS = "squeezebox_known_servers"
ATTR_PARAMETERS = "parameters"
SQUEEZEBOX_CALL_METHOD_SCHEMA = MEDIA_PLAYER_SCHEMA.extend(
{
vol.Required(ATTR_COMMAND): cv.string,
vol.Optional(ATTR_PARAMETERS): vol.All(
cv.ensure_list, vol.Length(min=1), [cv.string]
),
}
)
SERVICE_TO_METHOD = {
SERVICE_CALL_METHOD: {
"method": "async_call_method",
"schema": SQUEEZEBOX_CALL_METHOD_SCHEMA,
}
}
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the squeezebox platform."""
known_servers = hass.data.get(KNOWN_SERVERS)
if known_servers is None:
hass.data[KNOWN_SERVERS] = known_servers = set()
if DATA_SQUEEZEBOX not in hass.data:
hass.data[DATA_SQUEEZEBOX] = []
username = config.get(CONF_USERNAME)
password = config.get(CONF_PASSWORD)
if discovery_info is not None:
host = discovery_info.get("host")
port = discovery_info.get("port")
else:
host = config.get(CONF_HOST)
port = config.get(CONF_PORT)
# In case the port is not discovered
if port is None:
port = DEFAULT_PORT
# Get IP of host, to prevent duplication of same host (different DNS names)
try:
ipaddr = socket.gethostbyname(host)
except OSError as error:
_LOGGER.error("Could not communicate with %s:%d: %s", host, port, error)
raise PlatformNotReady from error
if ipaddr in known_servers:
return
_LOGGER.debug("Creating LMS object for %s", ipaddr)
lms = LogitechMediaServer(hass, host, port, username, password)
players = await lms.create_players()
if players is None:
raise PlatformNotReady
known_servers.add(ipaddr)
hass.data[DATA_SQUEEZEBOX].extend(players)
async_add_entities(players)
async def async_service_handler(service):
"""Map services to methods on MediaPlayerDevice."""
method = SERVICE_TO_METHOD.get(service.service)
if not method:
return
params = {
key: value for key, value in service.data.items() if key != "entity_id"
}
entity_ids = service.data.get("entity_id")
if entity_ids:
target_players = [
player
for player in hass.data[DATA_SQUEEZEBOX]
if player.entity_id in entity_ids
]
else:
target_players = hass.data[DATA_SQUEEZEBOX]
update_tasks = []
for player in target_players:
await getattr(player, method["method"])(**params)
update_tasks.append(player.async_update_ha_state(True))
if update_tasks:
await asyncio.wait(update_tasks)
for service in SERVICE_TO_METHOD:
schema = SERVICE_TO_METHOD[service]["schema"]
hass.services.async_register(
DOMAIN, service, async_service_handler, schema=schema
)
return True
class LogitechMediaServer:
"""Representation of a Logitech media server."""
def __init__(self, hass, host, port, username, password):
"""Initialize the Logitech device."""
self.hass = hass
self.host = host
self.port = port
self._username = username
self._password = password
async def create_players(self):
"""Create a list of devices connected to LMS."""
result = []
data = await self.async_query("players", "status")
if data is False:
return None
for players in data.get("players_loop", []):
player = SqueezeBoxDevice(self, players["playerid"], players["name"])
await player.async_update()
result.append(player)
return result
async def async_query(self, *command, player=""):
"""Abstract out the JSON-RPC connection."""
auth = (
None
if self._username is None
else aiohttp.BasicAuth(self._username, self._password)
)
url = f"http://{self.host}:{self.port}/jsonrpc.js"
data = json.dumps(
{"id": "1", "method": "slim.request", "params": [player, command]}
)
_LOGGER.debug("URL: %s Data: %s", url, data)
try:
websession = async_get_clientsession(self.hass)
with async_timeout.timeout(TIMEOUT):
response = await websession.post(url, data=data, auth=auth)
if response.status != 200:
_LOGGER.error(
"Query failed, response code: %s Full message: %s",
response.status,
response,
)
return False
data = await response.json()
except (asyncio.TimeoutError, aiohttp.ClientError) as error:
_LOGGER.error("Failed communicating with LMS: %s", type(error))
return False
try:
return data["result"]
except AttributeError:
_LOGGER.error("Received invalid response: %s", data)
return False
class SqueezeBoxDevice(MediaPlayerDevice):
"""Representation of a SqueezeBox device."""
def __init__(self, lms, player_id, name):
"""Initialize the SqueezeBox device."""
super().__init__()
self._lms = lms
self._id = player_id
self._status = {}
self._name = name
self._last_update = None
_LOGGER.debug("Creating SqueezeBox object: %s, %s", name, player_id)
@property
def name(self):
"""Return the name of the device."""
return self._name
@property
def unique_id(self):
"""Return a unique ID."""
return self._id
@property
def state(self):
"""Return the state of the device."""
if "power" in self._status and self._status["power"] == 0:
return STATE_OFF
if "mode" in self._status:
if self._status["mode"] == "pause":
return STATE_PAUSED
if self._status["mode"] == "play":
return STATE_PLAYING
if self._status["mode"] == "stop":
return STATE_IDLE
return None
def async_query(self, *parameters):
"""Send a command to the LMS.
This method must be run in the event loop and returns a coroutine.
"""
return self._lms.async_query(*parameters, player=self._id)
async def async_update(self):
"""Retrieve the current state of the player."""
tags = "adKl"
response = await self.async_query("status", "-", "1", f"tags:{tags}")
if response is False:
return
last_media_position = self.media_position
self._status = {}
try:
self._status.update(response["playlist_loop"][0])
except KeyError:
pass
try:
self._status.update(response["remoteMeta"])
except KeyError:
pass
self._status.update(response)
if self.media_position != last_media_position:
_LOGGER.debug(
"Media position updated for %s: %s", self, self.media_position
)
self._last_update = utcnow()
@property
def volume_level(self):
"""Volume level of the media player (0..1)."""
if "mixer volume" in self._status:
return int(float(self._status["mixer volume"])) / 100.0
@property
def is_volume_muted(self):
"""Return true if volume is muted."""
if "mixer volume" in self._status:
return str(self._status["mixer volume"]).startswith("-")
@property
def media_content_id(self):
"""Content ID of current playing media."""
if "current_title" in self._status:
return self._status["current_title"]
@property
def media_content_type(self):
"""Content type of current playing media."""
return MEDIA_TYPE_MUSIC
@property
def media_duration(self):
"""Duration of current playing media in seconds."""
if "duration" in self._status:
return int(float(self._status["duration"]))
@property
def media_position(self):
"""Duration of current playing media in seconds."""
if "time" in self._status:
return int(float(self._status["time"]))
@property
def media_position_updated_at(self):
"""Last time status was updated."""
return self._last_update
@property
def media_image_url(self):
"""Image url of current playing media."""
if "artwork_url" in self._status:
media_url = self._status["artwork_url"]
elif "id" in self._status:
media_url = ("/music/{track_id}/cover.jpg").format(
track_id=self._status["id"]
)
else:
media_url = ("/music/current/cover.jpg?player={player}").format(
player=self._id
)
# pylint: disable=protected-access
if self._lms._username:
base_url = "http://{username}:{password}@{server}:{port}/".format(
username=self._lms._username,
password=self._lms._password,
server=self._lms.host,
port=self._lms.port,
)
else:
base_url = "http://{server}:{port}/".format(
server=self._lms.host, port=self._lms.port
)
url = urllib.parse.urljoin(base_url, media_url)
return url
@property
def media_title(self):
"""Title of current playing media."""
if "title" in self._status:
return self._status["title"]
if "current_title" in self._status:
return self._status["current_title"]
@property
def media_artist(self):
"""Artist of current playing media."""
if "artist" in self._status:
return self._status["artist"]
@property
def media_album_name(self):
"""Album of current playing media."""
if "album" in self._status:
return self._status["album"]
@property
def shuffle(self):
"""Boolean if shuffle is enabled."""
if "playlist_shuffle" in self._status:
return self._status["playlist_shuffle"] == 1
@property
def supported_features(self):
"""Flag media player features that are supported."""
return SUPPORT_SQUEEZEBOX
def async_turn_off(self):
"""Turn off media player.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("power", "0")
def async_volume_up(self):
"""Volume up media player.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("mixer", "volume", "+5")
def async_volume_down(self):
"""Volume down media player.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("mixer", "volume", "-5")
def async_set_volume_level(self, volume):
"""Set volume level, range 0..1.
This method must be run in the event loop and returns a coroutine.
"""
volume_percent = str(int(volume * 100))
return self.async_query("mixer", "volume", volume_percent)
def async_mute_volume(self, mute):
"""Mute (true) or unmute (false) media player.
This method must be run in the event loop and returns a coroutine.
"""
mute_numeric = "1" if mute else "0"
return self.async_query("mixer", "muting", mute_numeric)
def async_media_play_pause(self):
"""Send pause command to media player.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("pause")
def async_media_play(self):
"""Send play command to media player.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("play")
def async_media_pause(self):
"""Send pause command to media player.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("pause", "1")
def async_media_next_track(self):
"""Send next track command.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("playlist", "index", "+1")
def async_media_previous_track(self):
"""Send next track command.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("playlist", "index", "-1")
def async_media_seek(self, position):
"""Send seek command.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("time", position)
def async_turn_on(self):
"""Turn the media player on.
This method must be run in the event loop and returns a coroutine.
"""
return self.async_query("power", "1")
def async_play_media(self, media_type, media_id, **kwargs):
"""
Send the play_media command to the media player.
If ATTR_MEDIA_ENQUEUE is True, add `media_id` to the current playlist.
This method must be run in the event loop and returns a coroutine.
"""
if kwargs.get(ATTR_MEDIA_ENQUEUE):
return self._add_uri_to_playlist(media_id)
return self._play_uri(media_id)
def _play_uri(self, media_id):
"""Replace the current play list with the uri."""
return self.async_query("playlist", "play", media_id)
def _add_uri_to_playlist(self, media_id):
"""Add an item to the existing playlist."""
return self.async_query("playlist", "add", media_id)
def async_set_shuffle(self, shuffle):
"""Enable/disable shuffle mode."""
return self.async_query("playlist", "shuffle", int(shuffle))
def async_clear_playlist(self):
"""Send the media player the command for clear playlist."""
return self.async_query("playlist", "clear")
def async_call_method(self, command, parameters=None):
"""
Call Squeezebox JSON/RPC method.
Escaped optional parameters are added to the command to form the list
of positional parameters (p0, p1..., pN) passed to JSON/RPC server.
"""
all_params = [command]
if parameters:
for parameter in parameters:
all_params.append(urllib.parse.quote(parameter, safe="+:=/?"))
return self.async_query(*all_params)