272 lines
8.9 KiB
Python
272 lines
8.9 KiB
Python
"""Support for interface with an Samsung TV."""
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import asyncio
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from datetime import timedelta
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import logging
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import socket
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import voluptuous as vol
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from homeassistant.components.media_player import (
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MediaPlayerDevice, PLATFORM_SCHEMA)
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from homeassistant.components.media_player.const import (
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MEDIA_TYPE_CHANNEL, SUPPORT_NEXT_TRACK, SUPPORT_PAUSE,
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SUPPORT_PLAY, SUPPORT_PLAY_MEDIA, SUPPORT_PREVIOUS_TRACK, SUPPORT_TURN_OFF,
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SUPPORT_TURN_ON, SUPPORT_VOLUME_MUTE, SUPPORT_VOLUME_STEP)
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from homeassistant.const import (
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CONF_HOST, CONF_MAC, CONF_NAME, CONF_PORT, CONF_TIMEOUT, STATE_OFF,
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STATE_ON)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.util import dt as dt_util
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = 'Samsung TV Remote'
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DEFAULT_PORT = 55000
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DEFAULT_TIMEOUT = 1
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KEY_PRESS_TIMEOUT = 1.2
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KNOWN_DEVICES_KEY = 'samsungtv_known_devices'
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SUPPORT_SAMSUNGTV = SUPPORT_PAUSE | SUPPORT_VOLUME_STEP | \
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SUPPORT_VOLUME_MUTE | SUPPORT_PREVIOUS_TRACK | \
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SUPPORT_NEXT_TRACK | SUPPORT_TURN_OFF | SUPPORT_PLAY | SUPPORT_PLAY_MEDIA
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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vol.Optional(CONF_MAC): cv.string,
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vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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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 Samsung TV platform."""
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known_devices = hass.data.get(KNOWN_DEVICES_KEY)
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if known_devices is None:
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known_devices = set()
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hass.data[KNOWN_DEVICES_KEY] = known_devices
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uuid = None
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# Is this a manual configuration?
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if config.get(CONF_HOST) is not None:
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host = config.get(CONF_HOST)
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port = config.get(CONF_PORT)
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name = config.get(CONF_NAME)
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mac = config.get(CONF_MAC)
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timeout = config.get(CONF_TIMEOUT)
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elif discovery_info is not None:
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tv_name = discovery_info.get('name')
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model = discovery_info.get('model_name')
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host = discovery_info.get('host')
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name = "{} ({})".format(tv_name, model)
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port = DEFAULT_PORT
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timeout = DEFAULT_TIMEOUT
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mac = None
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udn = discovery_info.get('udn')
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if udn and udn.startswith('uuid:'):
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uuid = udn[len('uuid:'):]
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else:
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_LOGGER.warning("Cannot determine device")
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return
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# Only add a device once, so discovered devices do not override manual
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# config.
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ip_addr = socket.gethostbyname(host)
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if ip_addr not in known_devices:
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known_devices.add(ip_addr)
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add_entities([SamsungTVDevice(host, port, name, timeout, mac, uuid)])
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_LOGGER.info("Samsung TV %s:%d added as '%s'", host, port, name)
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else:
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_LOGGER.info("Ignoring duplicate Samsung TV %s:%d", host, port)
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class SamsungTVDevice(MediaPlayerDevice):
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"""Representation of a Samsung TV."""
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def __init__(self, host, port, name, timeout, mac, uuid):
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"""Initialize the Samsung device."""
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from samsungctl import exceptions
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from samsungctl import Remote
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import wakeonlan
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# Save a reference to the imported classes
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self._exceptions_class = exceptions
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self._remote_class = Remote
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self._name = name
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self._mac = mac
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self._uuid = uuid
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self._wol = wakeonlan
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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._state = None
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self._remote = None
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# Mark the end of a shutdown command (need to wait 15 seconds before
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# sending the next command to avoid turning the TV back ON).
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self._end_of_power_off = None
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# Generate a configuration for the Samsung library
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self._config = {
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'name': 'HomeAssistant',
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'description': name,
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'id': 'ha.component.samsung',
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'port': port,
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'host': host,
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'timeout': timeout,
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}
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if self._config['port'] == 8001:
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self._config['method'] = 'websocket'
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else:
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self._config['method'] = 'legacy'
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def update(self):
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"""Update state of device."""
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self.send_key("KEY")
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def get_remote(self):
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"""Create or return a remote control instance."""
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if self._remote is None:
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# We need to create a new instance to reconnect.
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self._remote = self._remote_class(self._config)
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return self._remote
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def send_key(self, key):
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"""Send a key to the tv and handles exceptions."""
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if self._power_off_in_progress() \
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and key not in ('KEY_POWER', 'KEY_POWEROFF'):
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_LOGGER.info("TV is powering off, not sending command: %s", key)
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return
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try:
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# recreate connection if connection was dead
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retry_count = 1
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for _ in range(retry_count + 1):
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try:
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self.get_remote().control(key)
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break
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except (self._exceptions_class.ConnectionClosed,
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BrokenPipeError):
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# BrokenPipe can occur when the commands is sent to fast
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self._remote = None
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self._state = STATE_ON
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except (self._exceptions_class.UnhandledResponse,
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self._exceptions_class.AccessDenied):
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# We got a response so it's on.
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self._state = STATE_ON
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self._remote = None
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_LOGGER.debug("Failed sending command %s", key, exc_info=True)
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return
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except OSError:
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self._state = STATE_OFF
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self._remote = None
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if self._power_off_in_progress():
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self._state = STATE_OFF
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def _power_off_in_progress(self):
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return self._end_of_power_off is not None and \
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self._end_of_power_off > dt_util.utcnow()
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@property
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def unique_id(self) -> str:
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"""Return the unique ID of the device."""
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return self._uuid
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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 supported_features(self):
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"""Flag media player features that are supported."""
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if self._mac:
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return SUPPORT_SAMSUNGTV | SUPPORT_TURN_ON
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return SUPPORT_SAMSUNGTV
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def turn_off(self):
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"""Turn off media player."""
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self._end_of_power_off = dt_util.utcnow() + timedelta(seconds=15)
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if self._config['method'] == 'websocket':
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self.send_key('KEY_POWER')
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else:
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self.send_key('KEY_POWEROFF')
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# Force closing of remote session to provide instant UI feedback
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try:
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self.get_remote().close()
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self._remote = None
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except OSError:
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_LOGGER.debug("Could not establish connection.")
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def volume_up(self):
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"""Volume up the media player."""
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self.send_key('KEY_VOLUP')
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def volume_down(self):
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"""Volume down media player."""
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self.send_key('KEY_VOLDOWN')
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def mute_volume(self, mute):
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"""Send mute command."""
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self.send_key('KEY_MUTE')
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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.send_key('KEY_PLAY')
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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.send_key('KEY_PAUSE')
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def media_next_track(self):
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"""Send next track command."""
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self.send_key('KEY_FF')
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def media_previous_track(self):
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"""Send the previous track command."""
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self.send_key('KEY_REWIND')
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async def async_play_media(self, media_type, media_id, **kwargs):
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"""Support changing a channel."""
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if media_type != MEDIA_TYPE_CHANNEL:
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_LOGGER.error('Unsupported media type')
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return
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# media_id should only be a channel number
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try:
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cv.positive_int(media_id)
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except vol.Invalid:
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_LOGGER.error('Media ID must be positive integer')
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return
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for digit in media_id:
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await self.hass.async_add_job(self.send_key, 'KEY_' + digit)
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await asyncio.sleep(KEY_PRESS_TIMEOUT, self.hass.loop)
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def turn_on(self):
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"""Turn the media player on."""
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if self._mac:
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self._wol.send_magic_packet(self._mac)
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else:
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self.send_key('KEY_POWERON')
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