164 lines
4.7 KiB
Python
164 lines
4.7 KiB
Python
"""
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Support for Denon Network Receivers.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/media_player.denon/
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"""
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import logging
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import telnetlib
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import voluptuous as vol
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from homeassistant.components.media_player import (
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PLATFORM_SCHEMA, SUPPORT_NEXT_TRACK, SUPPORT_PAUSE, SUPPORT_PREVIOUS_TRACK,
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SUPPORT_TURN_OFF, SUPPORT_TURN_ON, SUPPORT_VOLUME_MUTE, SUPPORT_VOLUME_SET,
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MediaPlayerDevice)
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from homeassistant.const import (
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CONF_HOST, CONF_NAME, STATE_OFF, STATE_ON, STATE_UNKNOWN)
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = 'Music station'
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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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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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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the Denon platform."""
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denon = DenonDevice(config.get(CONF_NAME), config.get(CONF_HOST))
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if denon.update():
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add_devices([denon])
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return True
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else:
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return False
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class DenonDevice(MediaPlayerDevice):
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"""Representation of a Denon device."""
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def __init__(self, name, host):
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"""Initialize the Denon device."""
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self._name = name
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self._host = host
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self._pwstate = 'PWSTANDBY'
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self._volume = 0
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self._muted = False
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self._mediasource = ''
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@classmethod
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def telnet_request(cls, telnet, command):
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"""Execute `command` and return the response."""
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telnet.write(command.encode('ASCII') + b'\r')
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return telnet.read_until(b'\r', timeout=0.2).decode('ASCII').strip()
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def telnet_command(self, command):
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"""Establish a telnet connection and sends `command`."""
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telnet = telnetlib.Telnet(self._host)
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telnet.write(command.encode('ASCII') + b'\r')
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telnet.read_very_eager() # skip response
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telnet.close()
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def update(self):
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"""Get the latest details from the device."""
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try:
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telnet = telnetlib.Telnet(self._host)
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except OSError:
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return False
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self._pwstate = self.telnet_request(telnet, 'PW?')
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# PW? sends also SISTATUS, which is not interesting
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telnet.read_until(b"\r", timeout=0.2)
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volume_str = self.telnet_request(telnet, 'MV?')[len('MV'):]
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self._volume = int(volume_str) / 60
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self._muted = (self.telnet_request(telnet, 'MU?') == 'MUON')
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self._mediasource = self.telnet_request(telnet, 'SI?')[len('SI'):]
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telnet.close()
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return True
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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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if self._pwstate == 'PWSTANDBY':
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return STATE_OFF
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if self._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 self._volume
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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 media_title(self):
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"""Current media source."""
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return self._mediasource
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@property
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def supported_media_commands(self):
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"""Flag 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.telnet_command('PWSTANDBY')
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def volume_up(self):
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"""Volume up media player."""
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self.telnet_command('MVUP')
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def volume_down(self):
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"""Volume down media player."""
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self.telnet_command('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.telnet_command('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.telnet_command('MU' + ('ON' if mute else 'OFF'))
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def media_play(self):
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"""Play media media player."""
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self.telnet_command('NS9A')
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def media_pause(self):
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"""Pause media player."""
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self.telnet_command('NS9B')
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def media_next_track(self):
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"""Send the next track command."""
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self.telnet_command('NS9D')
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def media_previous_track(self):
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"""Send the previous track command."""
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self.telnet_command('NS9E')
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def turn_on(self):
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"""Turn the media player on."""
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self.telnet_command('PWON')
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