Merge pull request #328 from MakeMeASandwich/dev
media_player: add Denon remote support
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commit
3a8119af2b
2 changed files with 192 additions and 0 deletions
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@ -45,6 +45,7 @@ omit =
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homeassistant/components/light/hue.py
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homeassistant/components/light/limitlessled.py
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homeassistant/components/media_player/cast.py
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homeassistant/components/media_player/denon.py
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homeassistant/components/media_player/kodi.py
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homeassistant/components/media_player/mpd.py
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homeassistant/components/media_player/squeezebox.py
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191
homeassistant/components/media_player/denon.py
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191
homeassistant/components/media_player/denon.py
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"""
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homeassistant.components.media_player.denon
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Provides an interface to Denon Network Receivers.
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Developed for a Denon DRA-N5, see
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http://www.denon.co.uk/chg/product/compactsystems/networkmusicsystems/ceolpiccolo
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A few notes:
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- As long as this module is active and connected, the receiver does
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not seem to accept additional telnet connections.
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- Be careful with the volume. 50% or even 100% are very loud.
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- To be able to wake up the receiver, activate the "remote" setting
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in the receiver's settings.
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- Play and pause are supported, toggling is not possible.
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- Seeking cannot be implemented as the UI sends absolute positions.
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Only seeking via simulated button presses is possible.
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Configuration:
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To use your Denon you will need to add something like the following to
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your config/configuration.yaml:
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media_player:
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platform: denon
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name: Music station
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host: 192.168.0.123
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Variables:
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host
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*Required
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The ip of the player. Example: 192.168.0.123
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name
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*Optional
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The name of the device.
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"""
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import telnetlib
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import logging
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from homeassistant.components.media_player import (
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MediaPlayerDevice, SUPPORT_PAUSE, SUPPORT_VOLUME_SET,
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SUPPORT_VOLUME_MUTE, SUPPORT_PREVIOUS_TRACK, SUPPORT_NEXT_TRACK,
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SUPPORT_TURN_ON, SUPPORT_TURN_OFF,
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DOMAIN)
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from homeassistant.const import (
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CONF_HOST, STATE_OFF, STATE_ON, STATE_UNKNOWN)
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_LOGGER = logging.getLogger(__name__)
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SUPPORT_DENON = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
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SUPPORT_PREVIOUS_TRACK | SUPPORT_NEXT_TRACK | \
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SUPPORT_TURN_ON | SUPPORT_TURN_OFF
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices, discovery_info=None):
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""" Sets up the Denon platform. """
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if not config.get(CONF_HOST):
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_LOGGER.error(
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"Missing required configuration items in %s: %s",
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DOMAIN,
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CONF_HOST)
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return False
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add_devices([
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DenonDevice(
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config.get('name', 'Music station'),
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config.get('host'))
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])
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return True
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class DenonDevice(MediaPlayerDevice):
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""" Represents a Denon device. """
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# pylint: disable=too-many-public-methods
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def __init__(self, name, host):
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self._name = name
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self._host = host
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self._telnet = telnetlib.Telnet(self._host)
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def query(self, message):
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""" Send request and await response from server """
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try:
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# unspecified command, should be ignored
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self._telnet.write("?".encode('UTF-8') + b'\r')
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except (EOFError, BrokenPipeError, ConnectionResetError):
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self._telnet.open(self._host)
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self._telnet.read_very_eager() # skip what is not requested
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self._telnet.write(message.encode('ASCII') + b'\r')
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# timeout 200ms, defined by protocol
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resp = self._telnet.read_until(b'\r', timeout=0.2)\
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.decode('UTF-8').strip()
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if message == "PW?":
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# workaround; PW? sends also SISTATUS
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self._telnet.read_until(b'\r', timeout=0.2)
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return resp
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@property
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def name(self):
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""" Returns 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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""" Returns the state of the device. """
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pwstate = self.query('PW?')
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if pwstate == "PWSTANDBY":
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return STATE_OFF
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if pwstate == "PWON":
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return STATE_ON
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return STATE_UNKNOWN
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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 int(self.query('MV?')[len('MV'):]) / 60
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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.query('MU?') == "MUON"
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@property
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def media_title(self):
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""" Current media source. """
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return self.query('SI?')[len('SI'):]
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@property
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def supported_media_commands(self):
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""" Flags of media commands that are supported. """
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return SUPPORT_DENON
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def turn_off(self):
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""" turn_off media player. """
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self.query('PWSTANDBY')
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def volume_up(self):
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""" volume_up media player. """
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self.query('MVUP')
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def volume_down(self):
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""" volume_down media player. """
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self.query('MVDOWN')
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def set_volume_level(self, volume):
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""" set volume level, range 0..1. """
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# 60dB max
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self.query('MV' + str(round(volume * 60)).zfill(2))
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def mute_volume(self, mute):
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""" mute (true) or unmute (false) media player. """
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self.query('MU' + ('ON' if mute else 'OFF'))
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def media_play_pause(self):
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""" media_play_pause media player. """
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raise NotImplementedError()
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def media_play(self):
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""" media_play media player. """
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self.query('NS9A')
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def media_pause(self):
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""" media_pause media player. """
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self.query('NS9B')
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def media_next_track(self):
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""" Send next track command. """
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self.query('NS9D')
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def media_previous_track(self):
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self.query('NS9E')
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def media_seek(self, position):
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raise NotImplementedError()
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def turn_on(self):
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""" turn the media player on. """
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self.query('PWON')
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