409 lines
13 KiB
Python
409 lines
13 KiB
Python
"""Support for interface with an LG webOS Smart TV."""
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import asyncio
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from datetime import timedelta
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from functools import wraps
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import logging
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from aiopylgtv import PyLGTVCmdException, PyLGTVPairException
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from websockets.exceptions import ConnectionClosed
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from homeassistant import util
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from homeassistant.components.media_player import MediaPlayerDevice
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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_SET,
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SUPPORT_VOLUME_STEP,
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)
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from homeassistant.const import (
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CONF_CUSTOMIZE,
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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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from homeassistant.helpers.script import Script
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from . import CONF_ON_ACTION, CONF_SOURCES, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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LIVETV_APP_ID = "com.webos.app.livetv"
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SUPPORT_WEBOSTV = (
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SUPPORT_TURN_OFF
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| SUPPORT_NEXT_TRACK
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| SUPPORT_PAUSE
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| SUPPORT_PREVIOUS_TRACK
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| SUPPORT_VOLUME_MUTE
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| SUPPORT_VOLUME_SET
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| SUPPORT_VOLUME_STEP
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| SUPPORT_SELECT_SOURCE
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| SUPPORT_PLAY_MEDIA
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| SUPPORT_PLAY
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)
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MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
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MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(seconds=1)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the LG WebOS TV platform."""
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if discovery_info is None:
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return
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host = discovery_info[CONF_HOST]
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name = discovery_info[CONF_NAME]
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customize = discovery_info[CONF_CUSTOMIZE]
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turn_on_action = discovery_info.get(CONF_ON_ACTION)
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client = hass.data[DOMAIN][host]["client"]
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on_script = Script(hass, turn_on_action) if turn_on_action else None
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entity = LgWebOSMediaPlayerEntity(client, name, customize, on_script)
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async_add_entities([entity], update_before_add=False)
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def cmd(func):
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"""Catch command exceptions."""
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@wraps(func)
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async def wrapper(obj, *args, **kwargs):
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"""Wrap all command methods."""
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try:
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await func(obj, *args, **kwargs)
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except (
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asyncio.TimeoutError,
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asyncio.CancelledError,
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PyLGTVCmdException,
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) as exc:
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# If TV is off, we expect calls to fail.
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if obj.state == STATE_OFF:
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level = logging.INFO
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else:
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level = logging.ERROR
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_LOGGER.log(
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level,
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"Error calling %s on entity %s: %r",
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func.__name__,
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obj.entity_id,
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exc,
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)
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return wrapper
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class LgWebOSMediaPlayerEntity(MediaPlayerDevice):
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"""Representation of a LG WebOS TV."""
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def __init__(self, client, name, customize, on_script=None):
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"""Initialize the webos device."""
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self._client = client
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self._name = name
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self._customize = customize
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self._on_script = on_script
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# Assume that the TV is not muted
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self._muted = False
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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._current_source = None
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self._current_source_id = None
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self._state = None
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self._source_list = {}
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self._app_list = {}
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self._input_list = {}
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self._channel = None
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self._last_icon = None
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async def async_added_to_hass(self):
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"""Connect and subscribe to state updates."""
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await self._client.register_state_update_callback(
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self.async_handle_state_update
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)
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# force state update if needed
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if self._state is None:
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await self.async_handle_state_update()
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async def async_will_remove_from_hass(self):
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"""Call disconnect on removal."""
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self._client.unregister_state_update_callback(self.async_handle_state_update)
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async def async_handle_state_update(self):
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"""Update state from WebOsClient."""
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self._current_source_id = self._client.current_appId
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self._muted = self._client.muted
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self._volume = self._client.volume
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self._channel = self._client.current_channel
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self._app_list = self._client.apps
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self._input_list = self._client.inputs
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if self._current_source_id == "":
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self._state = STATE_OFF
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else:
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self._state = STATE_PLAYING
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self.update_sources()
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self.async_schedule_update_ha_state(False)
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def update_sources(self):
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"""Update list of sources from current source, apps, inputs and configured list."""
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self._source_list = {}
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conf_sources = self._customize[CONF_SOURCES]
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for app in self._app_list.values():
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if app["id"] == self._current_source_id:
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self._current_source = app["title"]
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self._source_list[app["title"]] = app
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elif (
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not conf_sources
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or app["id"] in conf_sources
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or any(word in app["title"] for word in conf_sources)
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or any(word in app["id"] for word in conf_sources)
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):
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self._source_list[app["title"]] = app
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for source in self._input_list.values():
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if source["appId"] == self._current_source_id:
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self._current_source = source["label"]
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self._source_list[source["label"]] = source
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elif (
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not conf_sources
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or source["label"] in conf_sources
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or any(source["label"].find(word) != -1 for word in conf_sources)
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):
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self._source_list[source["label"]] = source
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@util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS)
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async def async_update(self):
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"""Connect."""
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if not self._client.is_connected():
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try:
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await self._client.connect()
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except (
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OSError,
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ConnectionClosed,
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ConnectionRefusedError,
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asyncio.TimeoutError,
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asyncio.CancelledError,
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PyLGTVPairException,
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PyLGTVCmdException,
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):
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pass
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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._current_source
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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 sorted(self._source_list.keys())
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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_title(self):
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"""Title of current playing media."""
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if (self._channel is not None) and ("channelName" in self._channel):
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return self._channel["channelName"]
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return None
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@property
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def media_image_url(self):
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"""Image url of current playing media."""
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if self._current_source_id in self._app_list:
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icon = self._app_list[self._current_source_id]["largeIcon"]
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if not icon.startswith("http"):
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icon = self._app_list[self._current_source_id]["icon"]
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# 'icon' holds a URL with a transient key. Avoid unnecessary
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# updates by returning the same URL until the image changes.
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if self._last_icon and (
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icon.split("/")[-1] == self._last_icon.split("/")[-1]
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):
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return self._last_icon
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self._last_icon = icon
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return icon
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return None
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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_script:
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return SUPPORT_WEBOSTV | SUPPORT_TURN_ON
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return SUPPORT_WEBOSTV
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@cmd
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async def async_turn_off(self):
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"""Turn off media player."""
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await self._client.power_off()
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async def async_turn_on(self):
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"""Turn on the media player."""
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connected = self._client.is_connected()
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if self._on_script:
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await self._on_script.async_run()
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# if connection was already active
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# ensure is still alive
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if connected:
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await self._client.get_current_app()
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@cmd
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async def async_volume_up(self):
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"""Volume up the media player."""
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await self._client.volume_up()
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@cmd
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async def async_volume_down(self):
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"""Volume down media player."""
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await self._client.volume_down()
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@cmd
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async def async_set_volume_level(self, volume):
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"""Set volume level, range 0..1."""
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tv_volume = volume * 100
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await self._client.set_volume(tv_volume)
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@cmd
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async def async_mute_volume(self, mute):
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"""Send mute command."""
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self._muted = mute
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await self._client.set_mute(mute)
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@cmd
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async def async_media_play_pause(self):
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"""Simulate play pause media player."""
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if self._playing:
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await self.media_pause()
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else:
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await self.media_play()
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@cmd
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async def async_select_source(self, source):
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"""Select input source."""
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source_dict = self._source_list.get(source)
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if source_dict is None:
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_LOGGER.warning("Source %s not found for %s", source, self.name)
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return
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self._current_source_id = source_dict["id"]
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if source_dict.get("title"):
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self._current_source = source_dict["title"]
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await self._client.launch_app(source_dict["id"])
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elif source_dict.get("label"):
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self._current_source = source_dict["label"]
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await self._client.set_input(source_dict["id"])
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@cmd
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async def async_play_media(self, media_type, media_id, **kwargs):
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"""Play a piece of media."""
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_LOGGER.debug("Call play media type <%s>, Id <%s>", media_type, media_id)
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if media_type == MEDIA_TYPE_CHANNEL:
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_LOGGER.debug("Searching channel...")
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partial_match_channel_id = None
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perfect_match_channel_id = None
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for channel in self._client.get_channels():
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if media_id == channel["channelNumber"]:
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perfect_match_channel_id = channel["channelId"]
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continue
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if media_id.lower() == channel["channelName"].lower():
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perfect_match_channel_id = channel["channelId"]
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continue
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if media_id.lower() in channel["channelName"].lower():
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partial_match_channel_id = channel["channelId"]
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if perfect_match_channel_id is not None:
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_LOGGER.info(
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"Switching to channel <%s> with perfect match",
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perfect_match_channel_id,
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)
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await self._client.set_channel(perfect_match_channel_id)
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elif partial_match_channel_id is not None:
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_LOGGER.info(
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"Switching to channel <%s> with partial match",
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partial_match_channel_id,
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)
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await self._client.set_channel(partial_match_channel_id)
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@cmd
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async def async_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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await self._client.play()
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@cmd
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async def async_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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await self._client.pause()
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@cmd
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async def async_media_stop(self):
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"""Send stop command to media player."""
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await self._client.stop()
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@cmd
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async def async_media_next_track(self):
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"""Send next track command."""
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current_input = self._client.get_input()
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if current_input == LIVETV_APP_ID:
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await self._client.channel_up()
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else:
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await self._client.fast_forward()
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@cmd
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async def async_media_previous_track(self):
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"""Send the previous track command."""
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current_input = self._client.get_input()
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if current_input == LIVETV_APP_ID:
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await self._client.channel_down()
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else:
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await self._client.rewind()
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