core/homeassistant/components/media_player/webostv.py

348 lines
12 KiB
Python

"""
Support for interface with an LG webOS Smart TV.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/media_player.webostv/
"""
import logging
import asyncio
from datetime import timedelta
from urllib.parse import urlparse
import voluptuous as vol
import homeassistant.util as util
from homeassistant.components.media_player import (
SUPPORT_TURN_ON, SUPPORT_TURN_OFF, SUPPORT_PLAY,
SUPPORT_NEXT_TRACK, SUPPORT_PAUSE, SUPPORT_PREVIOUS_TRACK,
SUPPORT_VOLUME_MUTE, SUPPORT_VOLUME_STEP,
SUPPORT_SELECT_SOURCE, SUPPORT_PLAY_MEDIA, MEDIA_TYPE_CHANNEL,
MediaPlayerDevice, PLATFORM_SCHEMA)
from homeassistant.const import (
CONF_HOST, CONF_MAC, CONF_CUSTOMIZE, STATE_OFF,
STATE_PLAYING, STATE_PAUSED,
STATE_UNKNOWN, CONF_NAME, CONF_FILENAME)
from homeassistant.loader import get_component
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['pylgtv==0.1.7',
'websockets==3.2',
'wakeonlan==0.2.2']
_CONFIGURING = {} # type: Dict[str, str]
_LOGGER = logging.getLogger(__name__)
CONF_SOURCES = 'sources'
DEFAULT_NAME = 'LG webOS Smart TV'
WEBOSTV_CONFIG_FILE = 'webostv.conf'
SUPPORT_WEBOSTV = SUPPORT_TURN_OFF | \
SUPPORT_NEXT_TRACK | SUPPORT_PAUSE | SUPPORT_PREVIOUS_TRACK | \
SUPPORT_VOLUME_MUTE | SUPPORT_VOLUME_STEP | \
SUPPORT_SELECT_SOURCE | SUPPORT_PLAY_MEDIA | SUPPORT_PLAY
MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(seconds=1)
CUSTOMIZE_SCHEMA = vol.Schema({
vol.Optional(CONF_SOURCES):
vol.All(cv.ensure_list, [cv.string]),
})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_HOST): cv.string,
vol.Optional(CONF_MAC): cv.string,
vol.Optional(CONF_CUSTOMIZE, default={}): CUSTOMIZE_SCHEMA,
vol.Optional(CONF_FILENAME, default=WEBOSTV_CONFIG_FILE): cv.string
})
# pylint: disable=unused-argument
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the LG WebOS TV platform."""
if discovery_info is not None:
host = urlparse(discovery_info[1]).hostname
else:
host = config.get(CONF_HOST)
if host is None:
_LOGGER.error("No TV found in configuration file or with discovery")
return False
# Only act if we are not already configuring this host
if host in _CONFIGURING:
return
mac = config.get(CONF_MAC)
name = config.get(CONF_NAME)
customize = config.get(CONF_CUSTOMIZE)
config = hass.config.path(config.get(CONF_FILENAME))
setup_tv(host, mac, name, customize, config, hass, add_devices)
def setup_tv(host, mac, name, customize, config, hass, add_devices):
"""Set up a LG WebOS TV based on host parameter."""
from pylgtv import WebOsClient
from pylgtv import PyLGTVPairException
from websockets.exceptions import ConnectionClosed
client = WebOsClient(host, config)
if not client.is_registered():
if host in _CONFIGURING:
# Try to pair.
try:
client.register()
except PyLGTVPairException:
_LOGGER.warning(
"Connected to LG webOS TV %s but not paired", host)
return
except (OSError, ConnectionClosed, TypeError,
asyncio.TimeoutError):
_LOGGER.error("Unable to connect to host %s", host)
return
else:
# Not registered, request configuration.
_LOGGER.warning("LG webOS TV %s needs to be paired", host)
request_configuration(
host, mac, name, customize, config, hass, add_devices)
return
# If we came here and configuring this host, mark as done.
if client.is_registered() and host in _CONFIGURING:
request_id = _CONFIGURING.pop(host)
configurator = get_component('configurator')
configurator.request_done(request_id)
add_devices([LgWebOSDevice(host, mac, name, customize, config)], True)
def request_configuration(
host, mac, name, customize, config, hass, add_devices):
"""Request configuration steps from the user."""
configurator = get_component('configurator')
# We got an error if this method is called while we are configuring
if host in _CONFIGURING:
configurator.notify_errors(
_CONFIGURING[host], 'Failed to pair, please try again.')
return
# pylint: disable=unused-argument
def lgtv_configuration_callback(data):
"""Handle configuration changes."""
setup_tv(host, mac, name, customize, config, hass, add_devices)
_CONFIGURING[host] = configurator.request_config(
hass, name, lgtv_configuration_callback,
description='Click start and accept the pairing request on your TV.',
description_image='/static/images/config_webos.png',
submit_caption='Start pairing request'
)
class LgWebOSDevice(MediaPlayerDevice):
"""Representation of a LG WebOS TV."""
def __init__(self, host, mac, name, customize, config):
"""Initialize the webos device."""
from pylgtv import WebOsClient
from wakeonlan import wol
self._client = WebOsClient(host, config)
self._wol = wol
self._mac = mac
self._customize = customize
self._name = name
# Assume that the TV is not muted
self._muted = False
# Assume that the TV is in Play mode
self._playing = True
self._volume = 0
self._current_source = None
self._current_source_id = None
self._state = STATE_UNKNOWN
self._source_list = {}
self._app_list = {}
@util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS)
def update(self):
"""Retrieve the latest data."""
from websockets.exceptions import ConnectionClosed
try:
current_input = self._client.get_input()
if current_input is not None:
self._current_source_id = current_input
if self._state in (STATE_UNKNOWN, STATE_OFF):
self._state = STATE_PLAYING
else:
self._state = STATE_OFF
self._current_source = None
self._current_source_id = None
if self._state is not STATE_OFF:
self._muted = self._client.get_muted()
self._volume = self._client.get_volume()
self._source_list = {}
self._app_list = {}
conf_sources = self._customize.get(CONF_SOURCES, [])
for app in self._client.get_apps():
self._app_list[app['id']] = app
if conf_sources:
if app['id'] == self._current_source_id:
self._current_source = app['title']
self._source_list[app['title']] = app
elif (app['id'] in conf_sources or
any(word in app['title']
for word in conf_sources) or
any(word in app['id']
for word in conf_sources)):
self._source_list[app['title']] = app
else:
self._current_source = app['title']
self._source_list[app['title']] = app
for source in self._client.get_inputs():
if conf_sources:
if source['id'] == self._current_source_id:
self._source_list[source['label']] = source
elif (source['label'] in conf_sources or
any(source['label'].find(word) != -1
for word in conf_sources)):
self._source_list[source['label']] = source
else:
self._source_list[source['label']] = source
except (OSError, ConnectionClosed, TypeError,
asyncio.TimeoutError):
self._state = STATE_OFF
self._current_source = None
self._current_source_id = None
@property
def name(self):
"""Return the name of the device."""
return self._name
@property
def state(self):
"""Return the state of the device."""
return self._state
@property
def is_volume_muted(self):
"""Boolean if volume is currently muted."""
return self._muted
@property
def volume_level(self):
"""Volume level of the media player (0..1)."""
return self._volume / 100.0
@property
def source(self):
"""Return the current input source."""
return self._current_source
@property
def source_list(self):
"""List of available input sources."""
return sorted(self._source_list.keys())
@property
def media_content_type(self):
"""Content type of current playing media."""
return MEDIA_TYPE_CHANNEL
@property
def media_image_url(self):
"""Image url of current playing media."""
if self._current_source_id in self._app_list:
icon = self._app_list[self._current_source_id]['largeIcon']
if not icon.startswith('http'):
icon = self._app_list[self._current_source_id]['icon']
return icon
return None
@property
def supported_features(self):
"""Flag media player features that are supported."""
if self._mac:
return SUPPORT_WEBOSTV | SUPPORT_TURN_ON
return SUPPORT_WEBOSTV
def turn_off(self):
"""Turn off media player."""
from websockets.exceptions import ConnectionClosed
self._state = STATE_OFF
try:
self._client.power_off()
except (OSError, ConnectionClosed, TypeError,
asyncio.TimeoutError):
pass
def turn_on(self):
"""Turn on the media player."""
if self._mac:
self._wol.send_magic_packet(self._mac)
def volume_up(self):
"""Volume up the media player."""
self._client.volume_up()
def volume_down(self):
"""Volume down media player."""
self._client.volume_down()
def set_volume_level(self, volume):
"""Set volume level, range 0..1."""
tv_volume = volume * 100
self._client.set_volume(tv_volume)
def mute_volume(self, mute):
"""Send mute command."""
self._muted = mute
self._client.set_mute(mute)
def media_play_pause(self):
"""Simulate play pause media player."""
if self._playing:
self.media_pause()
else:
self.media_play()
def select_source(self, source):
"""Select input source."""
if self._source_list.get(source).get('title'):
self._current_source_id = self._source_list[source]['id']
self._current_source = self._source_list[source]['title']
self._client.launch_app(self._source_list[source]['id'])
elif self._source_list.get(source).get('label'):
self._current_source_id = self._source_list[source]['id']
self._current_source = self._source_list[source]['label']
self._client.set_input(self._source_list[source]['id'])
def media_play(self):
"""Send play command."""
self._playing = True
self._state = STATE_PLAYING
self._client.play()
def media_pause(self):
"""Send media pause command to media player."""
self._playing = False
self._state = STATE_PAUSED
self._client.pause()
def media_next_track(self):
"""Send next track command."""
self._client.fast_forward()
def media_previous_track(self):
"""Send the previous track command."""
self._client.rewind()