core/homeassistant/components/media_player/universal.py

443 lines
14 KiB
Python

"""
Combination of multiple media players into one for a universal controller.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/media_player.universal/
"""
import logging
# pylint: disable=import-error
from copy import copy
from homeassistant.components.media_player import (
ATTR_APP_ID, ATTR_APP_NAME, ATTR_MEDIA_ALBUM_ARTIST, ATTR_MEDIA_ALBUM_NAME,
ATTR_MEDIA_ARTIST, ATTR_MEDIA_CHANNEL, ATTR_MEDIA_CONTENT_ID,
ATTR_MEDIA_CONTENT_TYPE, ATTR_MEDIA_DURATION, ATTR_MEDIA_EPISODE,
ATTR_MEDIA_PLAYLIST, ATTR_MEDIA_SEASON, ATTR_MEDIA_SEEK_POSITION,
ATTR_MEDIA_SERIES_TITLE, ATTR_MEDIA_TITLE, ATTR_MEDIA_TRACK,
ATTR_MEDIA_VOLUME_LEVEL, ATTR_MEDIA_VOLUME_MUTED,
ATTR_SUPPORTED_MEDIA_COMMANDS, DOMAIN, SERVICE_PLAY_MEDIA,
SUPPORT_TURN_OFF, SUPPORT_TURN_ON, SUPPORT_VOLUME_MUTE, SUPPORT_VOLUME_SET,
SUPPORT_VOLUME_STEP, SUPPORT_SELECT_SOURCE, SUPPORT_CLEAR_PLAYLIST,
ATTR_INPUT_SOURCE, SERVICE_SELECT_SOURCE, SERVICE_CLEAR_PLAYLIST,
MediaPlayerDevice)
from homeassistant.const import (
ATTR_ENTITY_ID, ATTR_ENTITY_PICTURE, CONF_NAME, SERVICE_MEDIA_NEXT_TRACK,
SERVICE_MEDIA_PAUSE, SERVICE_MEDIA_PLAY, SERVICE_MEDIA_PLAY_PAUSE,
SERVICE_MEDIA_PREVIOUS_TRACK, SERVICE_MEDIA_SEEK, SERVICE_TURN_OFF,
SERVICE_TURN_ON, SERVICE_VOLUME_DOWN, SERVICE_VOLUME_MUTE,
SERVICE_VOLUME_SET, SERVICE_VOLUME_UP, STATE_IDLE, STATE_OFF, STATE_ON,
SERVICE_MEDIA_STOP)
from homeassistant.helpers.event import track_state_change
from homeassistant.helpers.service import call_from_config
ATTR_ACTIVE_CHILD = 'active_child'
CONF_ATTRS = 'attributes'
CONF_CHILDREN = 'children'
CONF_COMMANDS = 'commands'
CONF_PLATFORM = 'platform'
CONF_SERVICE = 'service'
CONF_SERVICE_DATA = 'service_data'
CONF_STATE = 'state'
OFF_STATES = [STATE_IDLE, STATE_OFF]
REQUIREMENTS = []
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup the universal media players."""
if not validate_config(config):
return
player = UniversalMediaPlayer(hass,
config[CONF_NAME],
config[CONF_CHILDREN],
config[CONF_COMMANDS],
config[CONF_ATTRS])
add_devices([player])
def validate_config(config):
"""Validate universal media player configuration."""
del config[CONF_PLATFORM]
# Validate name
if CONF_NAME not in config:
_LOGGER.error('Universal Media Player configuration requires name')
return False
validate_children(config)
validate_commands(config)
validate_attributes(config)
del_keys = []
for key in config:
if key not in [CONF_NAME, CONF_CHILDREN, CONF_COMMANDS, CONF_ATTRS]:
_LOGGER.warning(
'Universal Media Player (%s) unrecognized parameter %s',
config[CONF_NAME], key)
del_keys.append(key)
for key in del_keys:
del config[key]
return True
def validate_children(config):
"""Validate children."""
if CONF_CHILDREN not in config:
_LOGGER.info(
'No children under Universal Media Player (%s)', config[CONF_NAME])
config[CONF_CHILDREN] = []
elif not isinstance(config[CONF_CHILDREN], list):
_LOGGER.warning(
'Universal Media Player (%s) children not list in config. '
'They will be ignored.',
config[CONF_NAME])
config[CONF_CHILDREN] = []
def validate_commands(config):
"""Validate commands."""
if CONF_COMMANDS not in config:
config[CONF_COMMANDS] = {}
elif not isinstance(config[CONF_COMMANDS], dict):
_LOGGER.warning(
'Universal Media Player (%s) specified commands not dict in '
'config. They will be ignored.',
config[CONF_NAME])
config[CONF_COMMANDS] = {}
def validate_attributes(config):
"""Validate attributes."""
if CONF_ATTRS not in config:
config[CONF_ATTRS] = {}
elif not isinstance(config[CONF_ATTRS], dict):
_LOGGER.warning(
'Universal Media Player (%s) specified attributes '
'not dict in config. They will be ignored.',
config[CONF_NAME])
config[CONF_ATTRS] = {}
for key, val in config[CONF_ATTRS].items():
attr = val.split('|', 1)
if len(attr) == 1:
attr.append(None)
config[CONF_ATTRS][key] = attr
class UniversalMediaPlayer(MediaPlayerDevice):
"""Representation of an universal media player."""
# pylint: disable=too-many-public-methods
def __init__(self, hass, name, children, commands, attributes):
"""Initialize the Universal media device."""
# pylint: disable=too-many-arguments
self.hass = hass
self._name = name
self._children = children
self._cmds = commands
self._attrs = attributes
self._child_state = None
def on_dependency_update(*_):
"""Update ha state when dependencies update."""
self.update_ha_state(True)
depend = copy(children)
for entity in attributes.values():
depend.append(entity[0])
track_state_change(hass, depend, on_dependency_update)
def _entity_lkp(self, entity_id, state_attr=None):
"""Look up an entity state."""
state_obj = self.hass.states.get(entity_id)
if state_obj is None:
return
if state_attr:
return state_obj.attributes.get(state_attr)
return state_obj.state
def _override_or_child_attr(self, attr_name):
"""Return either the override or the active child for attr_name."""
if attr_name in self._attrs:
return self._entity_lkp(self._attrs[attr_name][0],
self._attrs[attr_name][1])
return self._child_attr(attr_name)
def _child_attr(self, attr_name):
"""Return the active child's attributes."""
active_child = self._child_state
return active_child.attributes.get(attr_name) if active_child else None
def _call_service(self, service_name, service_data=None,
allow_override=False):
"""Call either a specified or active child's service."""
if allow_override and service_name in self._cmds:
call_from_config(
self.hass, self._cmds[service_name], blocking=True)
return
if service_data is None:
service_data = {}
active_child = self._child_state
service_data[ATTR_ENTITY_ID] = active_child.entity_id
self.hass.services.call(DOMAIN, service_name, service_data,
blocking=True)
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def master_state(self):
"""Return the master state for entity or None."""
if CONF_STATE in self._attrs:
master_state = self._entity_lkp(self._attrs[CONF_STATE][0],
self._attrs[CONF_STATE][1])
return master_state if master_state else STATE_OFF
else:
return None
@property
def name(self):
"""Return the name of universal player."""
return self._name
@property
def state(self):
"""Current state of media player.
Off if master state is off
else Status of first active child
else master state or off
"""
master_state = self.master_state # avoid multiple lookups
if master_state == STATE_OFF:
return STATE_OFF
active_child = self._child_state
if active_child:
return active_child.state
return master_state if master_state else STATE_OFF
@property
def volume_level(self):
"""Volume level of entity specified in attributes or active child."""
return self._child_attr(ATTR_MEDIA_VOLUME_LEVEL)
@property
def is_volume_muted(self):
"""Boolean if volume is muted."""
return self._override_or_child_attr(ATTR_MEDIA_VOLUME_MUTED) \
in [True, STATE_ON]
@property
def media_content_id(self):
"""Content ID of current playing media."""
return self._child_attr(ATTR_MEDIA_CONTENT_ID)
@property
def media_content_type(self):
"""Content type of current playing media."""
return self._child_attr(ATTR_MEDIA_CONTENT_TYPE)
@property
def media_duration(self):
"""Duration of current playing media in seconds."""
return self._child_attr(ATTR_MEDIA_DURATION)
@property
def media_image_url(self):
"""Image url of current playing media."""
return self._child_attr(ATTR_ENTITY_PICTURE)
@property
def media_title(self):
"""Title of current playing media."""
return self._child_attr(ATTR_MEDIA_TITLE)
@property
def media_artist(self):
"""Artist of current playing media (Music track only)."""
return self._child_attr(ATTR_MEDIA_ARTIST)
@property
def media_album_name(self):
"""Album name of current playing media (Music track only)."""
return self._child_attr(ATTR_MEDIA_ALBUM_NAME)
@property
def media_album_artist(self):
"""Album artist of current playing media (Music track only)."""
return self._child_attr(ATTR_MEDIA_ALBUM_ARTIST)
@property
def media_track(self):
"""Track number of current playing media (Music track only)."""
return self._child_attr(ATTR_MEDIA_TRACK)
@property
def media_series_title(self):
"""The title of the series of current playing media (TV Show only)."""
return self._child_attr(ATTR_MEDIA_SERIES_TITLE)
@property
def media_season(self):
"""Season of current playing media (TV Show only)."""
return self._child_attr(ATTR_MEDIA_SEASON)
@property
def media_episode(self):
"""Episode of current playing media (TV Show only)."""
return self._child_attr(ATTR_MEDIA_EPISODE)
@property
def media_channel(self):
"""Channel currently playing."""
return self._child_attr(ATTR_MEDIA_CHANNEL)
@property
def media_playlist(self):
"""Title of Playlist currently playing."""
return self._child_attr(ATTR_MEDIA_PLAYLIST)
@property
def app_id(self):
"""ID of the current running app."""
return self._child_attr(ATTR_APP_ID)
@property
def app_name(self):
"""Name of the current running app."""
return self._child_attr(ATTR_APP_NAME)
@property
def current_source(self):
""""Return the current input source of the device."""
return self._child_attr(ATTR_INPUT_SOURCE)
@property
def supported_media_commands(self):
"""Flag media commands that are supported."""
flags = self._child_attr(ATTR_SUPPORTED_MEDIA_COMMANDS) or 0
if SERVICE_TURN_ON in self._cmds:
flags |= SUPPORT_TURN_ON
if SERVICE_TURN_OFF in self._cmds:
flags |= SUPPORT_TURN_OFF
if any([cmd in self._cmds for cmd in [SERVICE_VOLUME_UP,
SERVICE_VOLUME_DOWN]]):
flags |= SUPPORT_VOLUME_STEP
flags &= ~SUPPORT_VOLUME_SET
if SERVICE_VOLUME_MUTE in self._cmds and \
ATTR_MEDIA_VOLUME_MUTED in self._attrs:
flags |= SUPPORT_VOLUME_MUTE
if SERVICE_SELECT_SOURCE in self._cmds:
flags |= SUPPORT_SELECT_SOURCE
if SERVICE_CLEAR_PLAYLIST in self._cmds:
flags |= SUPPORT_CLEAR_PLAYLIST
return flags
@property
def device_state_attributes(self):
"""Return device specific state attributes."""
active_child = self._child_state
return {ATTR_ACTIVE_CHILD: active_child.entity_id} \
if active_child else {}
def turn_on(self):
"""Turn the media player on."""
self._call_service(SERVICE_TURN_ON, allow_override=True)
def turn_off(self):
"""Turn the media player off."""
self._call_service(SERVICE_TURN_OFF, allow_override=True)
def mute_volume(self, is_volume_muted):
"""Mute the volume."""
data = {ATTR_MEDIA_VOLUME_MUTED: is_volume_muted}
self._call_service(SERVICE_VOLUME_MUTE, data, allow_override=True)
def set_volume_level(self, volume_level):
"""Set volume level, range 0..1."""
data = {ATTR_MEDIA_VOLUME_LEVEL: volume_level}
self._call_service(SERVICE_VOLUME_SET, data)
def media_play(self):
"""Send play commmand."""
self._call_service(SERVICE_MEDIA_PLAY)
def media_pause(self):
"""Send pause command."""
self._call_service(SERVICE_MEDIA_PAUSE)
def media_stop(self):
"""Send stop command."""
self._call_service(SERVICE_MEDIA_STOP)
def media_previous_track(self):
"""Send previous track command."""
self._call_service(SERVICE_MEDIA_PREVIOUS_TRACK)
def media_next_track(self):
"""Send next track command."""
self._call_service(SERVICE_MEDIA_NEXT_TRACK)
def media_seek(self, position):
"""Send seek command."""
data = {ATTR_MEDIA_SEEK_POSITION: position}
self._call_service(SERVICE_MEDIA_SEEK, data)
def play_media(self, media_type, media_id, **kwargs):
"""Play a piece of media."""
data = {ATTR_MEDIA_CONTENT_TYPE: media_type,
ATTR_MEDIA_CONTENT_ID: media_id}
self._call_service(SERVICE_PLAY_MEDIA, data)
def volume_up(self):
"""Turn volume up for media player."""
self._call_service(SERVICE_VOLUME_UP, allow_override=True)
def volume_down(self):
"""Turn volume down for media player."""
self._call_service(SERVICE_VOLUME_DOWN, allow_override=True)
def media_play_pause(self):
"""Play or pause the media player."""
self._call_service(SERVICE_MEDIA_PLAY_PAUSE)
def select_source(self, source):
"""Set the input source."""
data = {ATTR_INPUT_SOURCE: source}
self._call_service(SERVICE_SELECT_SOURCE, data)
def clear_playlist(self):
"""Clear players playlist."""
self._call_service(SERVICE_CLEAR_PLAYLIST)
def update(self):
"""Update state in HA."""
for child_name in self._children:
child_state = self.hass.states.get(child_name)
if child_state and child_state.state not in OFF_STATES:
self._child_state = child_state
return
self._child_state = None