core/homeassistant/components/cover/mqtt.py

430 lines
16 KiB
Python

"""
Support for MQTT cover devices.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/cover.mqtt/
"""
import logging
from typing import Optional
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.components import mqtt, cover
from homeassistant.components.cover import (
CoverDevice, ATTR_TILT_POSITION, SUPPORT_OPEN_TILT,
SUPPORT_CLOSE_TILT, SUPPORT_STOP_TILT, SUPPORT_SET_TILT_POSITION,
SUPPORT_OPEN, SUPPORT_CLOSE, SUPPORT_STOP, SUPPORT_SET_POSITION,
ATTR_POSITION)
from homeassistant.exceptions import TemplateError
from homeassistant.const import (
CONF_NAME, CONF_VALUE_TEMPLATE, CONF_OPTIMISTIC, STATE_OPEN,
STATE_CLOSED, STATE_UNKNOWN, CONF_DEVICE)
from homeassistant.components.mqtt import (
ATTR_DISCOVERY_HASH, CONF_AVAILABILITY_TOPIC, CONF_STATE_TOPIC,
CONF_COMMAND_TOPIC, CONF_PAYLOAD_AVAILABLE, CONF_PAYLOAD_NOT_AVAILABLE,
CONF_QOS, CONF_RETAIN, valid_publish_topic, valid_subscribe_topic,
MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo)
from homeassistant.components.mqtt.discovery import MQTT_DISCOVERY_NEW
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.typing import HomeAssistantType, ConfigType
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['mqtt']
CONF_TILT_COMMAND_TOPIC = 'tilt_command_topic'
CONF_TILT_STATUS_TOPIC = 'tilt_status_topic'
CONF_POSITION_TOPIC = 'set_position_topic'
CONF_SET_POSITION_TEMPLATE = 'set_position_template'
CONF_PAYLOAD_OPEN = 'payload_open'
CONF_PAYLOAD_CLOSE = 'payload_close'
CONF_PAYLOAD_STOP = 'payload_stop'
CONF_STATE_OPEN = 'state_open'
CONF_STATE_CLOSED = 'state_closed'
CONF_TILT_CLOSED_POSITION = 'tilt_closed_value'
CONF_TILT_OPEN_POSITION = 'tilt_opened_value'
CONF_TILT_MIN = 'tilt_min'
CONF_TILT_MAX = 'tilt_max'
CONF_TILT_STATE_OPTIMISTIC = 'tilt_optimistic'
CONF_TILT_INVERT_STATE = 'tilt_invert_state'
CONF_UNIQUE_ID = 'unique_id'
DEFAULT_NAME = 'MQTT Cover'
DEFAULT_PAYLOAD_OPEN = 'OPEN'
DEFAULT_PAYLOAD_CLOSE = 'CLOSE'
DEFAULT_PAYLOAD_STOP = 'STOP'
DEFAULT_OPTIMISTIC = False
DEFAULT_RETAIN = False
DEFAULT_TILT_CLOSED_POSITION = 0
DEFAULT_TILT_OPEN_POSITION = 100
DEFAULT_TILT_MIN = 0
DEFAULT_TILT_MAX = 100
DEFAULT_TILT_OPTIMISTIC = False
DEFAULT_TILT_INVERT_STATE = False
OPEN_CLOSE_FEATURES = (SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_STOP)
TILT_FEATURES = (SUPPORT_OPEN_TILT | SUPPORT_CLOSE_TILT | SUPPORT_STOP_TILT |
SUPPORT_SET_TILT_POSITION)
PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend({
vol.Optional(CONF_COMMAND_TOPIC): valid_publish_topic,
vol.Optional(CONF_POSITION_TOPIC): valid_publish_topic,
vol.Optional(CONF_SET_POSITION_TEMPLATE): cv.template,
vol.Optional(CONF_RETAIN, default=DEFAULT_RETAIN): cv.boolean,
vol.Optional(CONF_STATE_TOPIC): valid_subscribe_topic,
vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_PAYLOAD_OPEN, default=DEFAULT_PAYLOAD_OPEN): cv.string,
vol.Optional(CONF_PAYLOAD_CLOSE, default=DEFAULT_PAYLOAD_CLOSE): cv.string,
vol.Optional(CONF_PAYLOAD_STOP, default=DEFAULT_PAYLOAD_STOP): cv.string,
vol.Optional(CONF_STATE_OPEN, default=STATE_OPEN): cv.string,
vol.Optional(CONF_STATE_CLOSED, default=STATE_CLOSED): cv.string,
vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
vol.Optional(CONF_TILT_COMMAND_TOPIC): valid_publish_topic,
vol.Optional(CONF_TILT_STATUS_TOPIC): valid_subscribe_topic,
vol.Optional(CONF_TILT_CLOSED_POSITION,
default=DEFAULT_TILT_CLOSED_POSITION): int,
vol.Optional(CONF_TILT_OPEN_POSITION,
default=DEFAULT_TILT_OPEN_POSITION): int,
vol.Optional(CONF_TILT_MIN, default=DEFAULT_TILT_MIN): int,
vol.Optional(CONF_TILT_MAX, default=DEFAULT_TILT_MAX): int,
vol.Optional(CONF_TILT_STATE_OPTIMISTIC,
default=DEFAULT_TILT_OPTIMISTIC): cv.boolean,
vol.Optional(CONF_TILT_INVERT_STATE,
default=DEFAULT_TILT_INVERT_STATE): cv.boolean,
vol.Optional(CONF_UNIQUE_ID): cv.string,
vol.Optional(CONF_DEVICE): mqtt.MQTT_ENTITY_DEVICE_INFO_SCHEMA,
}).extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema)
async def async_setup_platform(hass: HomeAssistantType, config: ConfigType,
async_add_entities, discovery_info=None):
"""Set up MQTT cover through configuration.yaml."""
await _async_setup_entity(hass, config, async_add_entities)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up MQTT cover dynamically through MQTT discovery."""
async def async_discover(discovery_payload):
"""Discover and add an MQTT cover."""
config = PLATFORM_SCHEMA(discovery_payload)
await _async_setup_entity(hass, config, async_add_entities,
discovery_payload[ATTR_DISCOVERY_HASH])
async_dispatcher_connect(
hass, MQTT_DISCOVERY_NEW.format(cover.DOMAIN, 'mqtt'),
async_discover)
async def _async_setup_entity(hass, config, async_add_entities,
discovery_hash=None):
"""Set up the MQTT Cover."""
value_template = config.get(CONF_VALUE_TEMPLATE)
if value_template is not None:
value_template.hass = hass
set_position_template = config.get(CONF_SET_POSITION_TEMPLATE)
if set_position_template is not None:
set_position_template.hass = hass
async_add_entities([MqttCover(
config.get(CONF_NAME),
config.get(CONF_STATE_TOPIC),
config.get(CONF_COMMAND_TOPIC),
config.get(CONF_AVAILABILITY_TOPIC),
config.get(CONF_TILT_COMMAND_TOPIC),
config.get(CONF_TILT_STATUS_TOPIC),
config.get(CONF_QOS),
config.get(CONF_RETAIN),
config.get(CONF_STATE_OPEN),
config.get(CONF_STATE_CLOSED),
config.get(CONF_PAYLOAD_OPEN),
config.get(CONF_PAYLOAD_CLOSE),
config.get(CONF_PAYLOAD_STOP),
config.get(CONF_PAYLOAD_AVAILABLE),
config.get(CONF_PAYLOAD_NOT_AVAILABLE),
config.get(CONF_OPTIMISTIC),
value_template,
config.get(CONF_TILT_OPEN_POSITION),
config.get(CONF_TILT_CLOSED_POSITION),
config.get(CONF_TILT_MIN),
config.get(CONF_TILT_MAX),
config.get(CONF_TILT_STATE_OPTIMISTIC),
config.get(CONF_TILT_INVERT_STATE),
config.get(CONF_POSITION_TOPIC),
set_position_template,
config.get(CONF_UNIQUE_ID),
config.get(CONF_DEVICE),
discovery_hash
)])
class MqttCover(MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo,
CoverDevice):
"""Representation of a cover that can be controlled using MQTT."""
def __init__(self, name, state_topic, command_topic, availability_topic,
tilt_command_topic, tilt_status_topic, qos, retain,
state_open, state_closed, payload_open, payload_close,
payload_stop, payload_available, payload_not_available,
optimistic, value_template, tilt_open_position,
tilt_closed_position, tilt_min, tilt_max, tilt_optimistic,
tilt_invert, position_topic, set_position_template,
unique_id: Optional[str], device_config: Optional[ConfigType],
discovery_hash):
"""Initialize the cover."""
MqttAvailability.__init__(self, availability_topic, qos,
payload_available, payload_not_available)
MqttDiscoveryUpdate.__init__(self, discovery_hash)
MqttEntityDeviceInfo.__init__(self, device_config)
self._position = None
self._state = None
self._name = name
self._state_topic = state_topic
self._command_topic = command_topic
self._tilt_command_topic = tilt_command_topic
self._tilt_status_topic = tilt_status_topic
self._qos = qos
self._payload_open = payload_open
self._payload_close = payload_close
self._payload_stop = payload_stop
self._state_open = state_open
self._state_closed = state_closed
self._retain = retain
self._tilt_open_position = tilt_open_position
self._tilt_closed_position = tilt_closed_position
self._optimistic = optimistic or state_topic is None
self._template = value_template
self._tilt_value = None
self._tilt_min = tilt_min
self._tilt_max = tilt_max
self._tilt_optimistic = tilt_optimistic
self._tilt_invert = tilt_invert
self._position_topic = position_topic
self._set_position_template = set_position_template
self._unique_id = unique_id
self._discovery_hash = discovery_hash
async def async_added_to_hass(self):
"""Subscribe MQTT events."""
await MqttAvailability.async_added_to_hass(self)
await MqttDiscoveryUpdate.async_added_to_hass(self)
@callback
def tilt_updated(topic, payload, qos):
"""Handle tilt updates."""
if (payload.isnumeric() and
self._tilt_min <= int(payload) <= self._tilt_max):
level = self.find_percentage_in_range(float(payload))
self._tilt_value = level
self.async_schedule_update_ha_state()
@callback
def state_message_received(topic, payload, qos):
"""Handle new MQTT state messages."""
if self._template is not None:
payload = self._template.async_render_with_possible_json_value(
payload)
if payload == self._state_open:
self._state = False
elif payload == self._state_closed:
self._state = True
elif payload.isnumeric() and 0 <= int(payload) <= 100:
if int(payload) > 0:
self._state = False
else:
self._state = True
self._position = int(payload)
else:
_LOGGER.warning(
"Payload is not True, False, or integer (0-100): %s",
payload)
return
self.async_schedule_update_ha_state()
if self._state_topic is None:
# Force into optimistic mode.
self._optimistic = True
else:
await mqtt.async_subscribe(
self.hass, self._state_topic,
state_message_received, self._qos)
if self._tilt_status_topic is None:
self._tilt_optimistic = True
else:
self._tilt_optimistic = False
self._tilt_value = STATE_UNKNOWN
await mqtt.async_subscribe(
self.hass, self._tilt_status_topic, tilt_updated, self._qos)
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def assumed_state(self):
"""Return true if we do optimistic updates."""
return self._optimistic
@property
def name(self):
"""Return the name of the cover."""
return self._name
@property
def is_closed(self):
"""Return if the cover is closed."""
return self._state
@property
def current_cover_position(self):
"""Return current position of cover.
None is unknown, 0 is closed, 100 is fully open.
"""
return self._position
@property
def current_cover_tilt_position(self):
"""Return current position of cover tilt."""
return self._tilt_value
@property
def supported_features(self):
"""Flag supported features."""
supported_features = 0
if self._command_topic is not None:
supported_features = OPEN_CLOSE_FEATURES
if self._position_topic is not None:
supported_features |= SUPPORT_SET_POSITION
if self._tilt_command_topic is not None:
supported_features |= TILT_FEATURES
return supported_features
async def async_open_cover(self, **kwargs):
"""Move the cover up.
This method is a coroutine.
"""
mqtt.async_publish(
self.hass, self._command_topic, self._payload_open, self._qos,
self._retain)
if self._optimistic:
# Optimistically assume that cover has changed state.
self._state = False
self.async_schedule_update_ha_state()
async def async_close_cover(self, **kwargs):
"""Move the cover down.
This method is a coroutine.
"""
mqtt.async_publish(
self.hass, self._command_topic, self._payload_close, self._qos,
self._retain)
if self._optimistic:
# Optimistically assume that cover has changed state.
self._state = True
self.async_schedule_update_ha_state()
async def async_stop_cover(self, **kwargs):
"""Stop the device.
This method is a coroutine.
"""
mqtt.async_publish(
self.hass, self._command_topic, self._payload_stop, self._qos,
self._retain)
async def async_open_cover_tilt(self, **kwargs):
"""Tilt the cover open."""
mqtt.async_publish(self.hass, self._tilt_command_topic,
self._tilt_open_position, self._qos,
self._retain)
if self._tilt_optimistic:
self._tilt_value = self._tilt_open_position
self.async_schedule_update_ha_state()
async def async_close_cover_tilt(self, **kwargs):
"""Tilt the cover closed."""
mqtt.async_publish(self.hass, self._tilt_command_topic,
self._tilt_closed_position, self._qos,
self._retain)
if self._tilt_optimistic:
self._tilt_value = self._tilt_closed_position
self.async_schedule_update_ha_state()
async def async_set_cover_tilt_position(self, **kwargs):
"""Move the cover tilt to a specific position."""
if ATTR_TILT_POSITION not in kwargs:
return
position = float(kwargs[ATTR_TILT_POSITION])
# The position needs to be between min and max
level = self.find_in_range_from_percent(position)
mqtt.async_publish(self.hass, self._tilt_command_topic,
level, self._qos, self._retain)
async def async_set_cover_position(self, **kwargs):
"""Move the cover to a specific position."""
if ATTR_POSITION in kwargs:
position = kwargs[ATTR_POSITION]
if self._set_position_template is not None:
try:
position = self._set_position_template.async_render(
**kwargs)
except TemplateError as ex:
_LOGGER.error(ex)
self._state = None
mqtt.async_publish(self.hass, self._position_topic,
position, self._qos, self._retain)
def find_percentage_in_range(self, position):
"""Find the 0-100% value within the specified range."""
# the range of motion as defined by the min max values
tilt_range = self._tilt_max - self._tilt_min
# offset to be zero based
offset_position = position - self._tilt_min
# the percentage value within the range
position_percentage = float(offset_position) / tilt_range * 100.0
if self._tilt_invert:
return 100 - position_percentage
return position_percentage
def find_in_range_from_percent(self, percentage):
"""
Find the adjusted value for 0-100% within the specified range.
if the range is 80-180 and the percentage is 90
this method would determine the value to send on the topic
by offsetting the max and min, getting the percentage value and
returning the offset
"""
offset = self._tilt_min
tilt_range = self._tilt_max - self._tilt_min
position = round(tilt_range * (percentage / 100.0))
position += offset
if self._tilt_invert:
position = self._tilt_max - position + offset
return position
@property
def unique_id(self):
"""Return a unique ID."""
return self._unique_id