280 lines
8.6 KiB
Python
280 lines
8.6 KiB
Python
"""Support for LG TV running on NetCast 3 or 4."""
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from datetime import datetime, timedelta
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from pylgnetcast import LgNetCastClient, LgNetCastError
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from requests import RequestException
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import voluptuous as vol
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from homeassistant import util
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from homeassistant.components.media_player import PLATFORM_SCHEMA, MediaPlayerEntity
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from homeassistant.components.media_player.const import (
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MEDIA_TYPE_CHANNEL,
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SUPPORT_NEXT_TRACK,
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SUPPORT_PAUSE,
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SUPPORT_PLAY,
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SUPPORT_PLAY_MEDIA,
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SUPPORT_PREVIOUS_TRACK,
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SUPPORT_SELECT_SOURCE,
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SUPPORT_TURN_OFF,
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SUPPORT_TURN_ON,
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SUPPORT_VOLUME_MUTE,
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SUPPORT_VOLUME_STEP,
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)
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from homeassistant.const import (
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CONF_ACCESS_TOKEN,
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CONF_HOST,
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CONF_NAME,
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STATE_OFF,
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STATE_PAUSED,
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STATE_PLAYING,
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)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.script import Script
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DEFAULT_NAME = "LG TV Remote"
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CONF_ON_ACTION = "turn_on_action"
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MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(seconds=1)
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MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
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SUPPORT_LGTV = (
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SUPPORT_PAUSE
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| SUPPORT_VOLUME_STEP
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| SUPPORT_VOLUME_MUTE
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| SUPPORT_PREVIOUS_TRACK
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| SUPPORT_NEXT_TRACK
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| SUPPORT_TURN_OFF
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| SUPPORT_SELECT_SOURCE
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| SUPPORT_PLAY
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| SUPPORT_PLAY_MEDIA
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)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Optional(CONF_ON_ACTION): cv.SCRIPT_SCHEMA,
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_ACCESS_TOKEN): vol.All(cv.string, vol.Length(max=6)),
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the LG TV platform."""
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host = config.get(CONF_HOST)
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access_token = config.get(CONF_ACCESS_TOKEN)
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name = config.get(CONF_NAME)
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on_action = config.get(CONF_ON_ACTION)
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client = LgNetCastClient(host, access_token)
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domain = __name__.split(".")[-2]
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on_action_script = Script(hass, on_action, name, domain) if on_action else None
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add_entities([LgTVDevice(client, name, on_action_script)], True)
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class LgTVDevice(MediaPlayerEntity):
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"""Representation of a LG TV."""
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def __init__(self, client, name, on_action_script):
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"""Initialize the LG TV device."""
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self._client = client
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self._name = name
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self._muted = False
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self._on_action_script = on_action_script
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# Assume that the TV is in Play mode
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self._playing = True
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self._volume = 0
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self._channel_id = None
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self._channel_name = ""
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self._program_name = ""
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self._state = None
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self._sources = {}
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self._source_names = []
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def send_command(self, command):
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"""Send remote control commands to the TV."""
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try:
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with self._client as client:
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client.send_command(command)
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except (LgNetCastError, RequestException):
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self._state = STATE_OFF
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@util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS)
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def update(self):
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"""Retrieve the latest data from the LG TV."""
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try:
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with self._client as client:
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self._state = STATE_PLAYING
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volume_info = client.query_data("volume_info")
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if volume_info:
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volume_info = volume_info[0]
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self._volume = float(volume_info.find("level").text)
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self._muted = volume_info.find("mute").text == "true"
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channel_info = client.query_data("cur_channel")
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if channel_info:
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channel_info = channel_info[0]
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channel_id = channel_info.find("major")
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self._channel_name = channel_info.find("chname").text
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self._program_name = channel_info.find("progName").text
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if channel_id is not None:
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self._channel_id = int(channel_id.text)
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if self._channel_name is None:
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self._channel_name = channel_info.find("inputSourceName").text
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if self._program_name is None:
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self._program_name = channel_info.find("labelName").text
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channel_list = client.query_data("channel_list")
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if channel_list:
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channel_names = []
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for channel in channel_list:
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channel_name = channel.find("chname")
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if channel_name is not None:
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channel_names.append(str(channel_name.text))
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self._sources = dict(zip(channel_names, channel_list))
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# sort source names by the major channel number
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source_tuples = [
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(k, source.find("major").text)
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for k, source in self._sources.items()
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]
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sorted_sources = sorted(
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source_tuples, key=lambda channel: int(channel[1])
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)
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self._source_names = [n for n, k in sorted_sources]
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except (LgNetCastError, RequestException):
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self._state = STATE_OFF
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@property
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def name(self):
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"""Return the name of the device."""
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return self._name
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@property
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def state(self):
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"""Return the state of the device."""
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return self._state
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@property
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def is_volume_muted(self):
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"""Boolean if volume is currently muted."""
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return self._muted
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@property
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def volume_level(self):
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"""Volume level of the media player (0..1)."""
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return self._volume / 100.0
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@property
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def source(self):
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"""Return the current input source."""
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return self._channel_name
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@property
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def source_list(self):
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"""List of available input sources."""
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return self._source_names
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@property
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def media_content_id(self):
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"""Content id of current playing media."""
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return self._channel_id
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@property
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def media_content_type(self):
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"""Content type of current playing media."""
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return MEDIA_TYPE_CHANNEL
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@property
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def media_channel(self):
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"""Channel currently playing."""
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return self._channel_name
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@property
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def media_title(self):
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"""Title of current playing media."""
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return self._program_name
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@property
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def supported_features(self):
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"""Flag media player features that are supported."""
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if self._on_action_script:
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return SUPPORT_LGTV | SUPPORT_TURN_ON
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return SUPPORT_LGTV
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@property
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def media_image_url(self):
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"""URL for obtaining a screen capture."""
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return (
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f"{self._client.url}data?target=screen_image&_={datetime.now().timestamp()}"
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)
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def turn_off(self):
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"""Turn off media player."""
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self.send_command(1)
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def turn_on(self):
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"""Turn on the media player."""
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if self._on_action_script:
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self._on_action_script.run(context=self._context)
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def volume_up(self):
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"""Volume up the media player."""
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self.send_command(24)
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def volume_down(self):
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"""Volume down media player."""
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self.send_command(25)
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def mute_volume(self, mute):
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"""Send mute command."""
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self.send_command(26)
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def select_source(self, source):
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"""Select input source."""
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self._client.change_channel(self._sources[source])
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def media_play_pause(self):
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"""Simulate play pause media player."""
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if self._playing:
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self.media_pause()
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else:
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self.media_play()
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def media_play(self):
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"""Send play command."""
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self._playing = True
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self._state = STATE_PLAYING
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self.send_command(33)
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def media_pause(self):
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"""Send media pause command to media player."""
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self._playing = False
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self._state = STATE_PAUSED
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self.send_command(34)
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def media_next_track(self):
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"""Send next track command."""
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self.send_command(36)
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def media_previous_track(self):
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"""Send the previous track command."""
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self.send_command(37)
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def play_media(self, media_type, media_id, **kwargs):
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"""Tune to channel."""
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if media_type != MEDIA_TYPE_CHANNEL:
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raise ValueError(f"Invalid media type: {media_type}")
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for name, channel in self._sources.items():
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channel_id = channel.find("major")
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if channel_id is not None and int(channel_id.text) == int(media_id):
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self.select_source(name)
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return
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raise ValueError(f"Invalid media id: {media_id}")
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