core/homeassistant/components/fan/mqtt.py

276 lines
10 KiB
Python

"""
Support for MQTT fans.
For more details about this platform, please refer to the documentation
https://home-assistant.io/components/fan.mqtt/
"""
import logging
import voluptuous as vol
import homeassistant.components.mqtt as mqtt
from homeassistant.const import (
CONF_NAME, CONF_OPTIMISTIC, CONF_STATE, STATE_ON, STATE_OFF,
CONF_PAYLOAD_OFF, CONF_PAYLOAD_ON)
from homeassistant.components.mqtt import (
CONF_STATE_TOPIC, CONF_COMMAND_TOPIC, CONF_QOS, CONF_RETAIN)
import homeassistant.helpers.config_validation as cv
from homeassistant.components.fan import (SPEED_LOW, SPEED_MED, SPEED_MEDIUM,
SPEED_HIGH, FanEntity,
SUPPORT_SET_SPEED, SUPPORT_OSCILLATE,
SPEED_OFF, ATTR_SPEED)
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['mqtt']
CONF_STATE_VALUE_TEMPLATE = 'state_value_template'
CONF_SPEED_STATE_TOPIC = 'speed_state_topic'
CONF_SPEED_COMMAND_TOPIC = 'speed_command_topic'
CONF_SPEED_VALUE_TEMPLATE = 'speed_value_template'
CONF_OSCILLATION_STATE_TOPIC = 'oscillation_state_topic'
CONF_OSCILLATION_COMMAND_TOPIC = 'oscillation_command_topic'
CONF_OSCILLATION_VALUE_TEMPLATE = 'oscillation_value_template'
CONF_PAYLOAD_OSCILLATION_ON = 'payload_oscillation_on'
CONF_PAYLOAD_OSCILLATION_OFF = 'payload_oscillation_off'
CONF_PAYLOAD_LOW_SPEED = 'payload_low_speed'
CONF_PAYLOAD_MEDIUM_SPEED = 'payload_medium_speed'
CONF_PAYLOAD_HIGH_SPEED = 'payload_high_speed'
CONF_SPEED_LIST = 'speeds'
DEFAULT_NAME = 'MQTT Fan'
DEFAULT_PAYLOAD_ON = 'ON'
DEFAULT_PAYLOAD_OFF = 'OFF'
DEFAULT_OPTIMISTIC = False
OSCILLATE_ON_PAYLOAD = 'oscillate_on'
OSCILLATE_OFF_PAYLOAD = 'oscillate_off'
OSCILLATION = 'oscillation'
PLATFORM_SCHEMA = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend({
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_STATE_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_SPEED_STATE_TOPIC): mqtt.valid_subscribe_topic,
vol.Optional(CONF_SPEED_COMMAND_TOPIC): mqtt.valid_publish_topic,
vol.Optional(CONF_SPEED_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_OSCILLATION_STATE_TOPIC): mqtt.valid_subscribe_topic,
vol.Optional(CONF_OSCILLATION_COMMAND_TOPIC): mqtt.valid_publish_topic,
vol.Optional(CONF_OSCILLATION_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_PAYLOAD_ON, default=DEFAULT_PAYLOAD_ON): cv.string,
vol.Optional(CONF_PAYLOAD_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string,
vol.Optional(CONF_PAYLOAD_OSCILLATION_ON,
default=DEFAULT_PAYLOAD_ON): cv.string,
vol.Optional(CONF_PAYLOAD_OSCILLATION_OFF,
default=DEFAULT_PAYLOAD_OFF): cv.string,
vol.Optional(CONF_PAYLOAD_LOW_SPEED, default=SPEED_LOW): cv.string,
vol.Optional(CONF_PAYLOAD_MEDIUM_SPEED, default=SPEED_MED): cv.string,
vol.Optional(CONF_PAYLOAD_HIGH_SPEED, default=SPEED_HIGH): cv.string,
vol.Optional(CONF_SPEED_LIST,
default=[SPEED_OFF, SPEED_LOW,
SPEED_MED, SPEED_HIGH]): cv.ensure_list,
vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
})
# pylint: disable=unused-argument
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup MQTT fan platform."""
add_devices([MqttFan(
hass,
config.get(CONF_NAME),
{
key: config.get(key) for key in (
CONF_STATE_TOPIC,
CONF_COMMAND_TOPIC,
CONF_SPEED_STATE_TOPIC,
CONF_SPEED_COMMAND_TOPIC,
CONF_OSCILLATION_STATE_TOPIC,
CONF_OSCILLATION_COMMAND_TOPIC,
)
},
{
CONF_STATE: config.get(CONF_STATE_VALUE_TEMPLATE),
ATTR_SPEED: config.get(CONF_SPEED_VALUE_TEMPLATE),
OSCILLATION: config.get(CONF_OSCILLATION_VALUE_TEMPLATE)
},
config.get(CONF_QOS),
config.get(CONF_RETAIN),
{
STATE_ON: config.get(CONF_PAYLOAD_ON),
STATE_OFF: config.get(CONF_PAYLOAD_OFF),
OSCILLATE_ON_PAYLOAD: config.get(CONF_PAYLOAD_OSCILLATION_ON),
OSCILLATE_OFF_PAYLOAD: config.get(CONF_PAYLOAD_OSCILLATION_OFF),
SPEED_LOW: config.get(CONF_PAYLOAD_LOW_SPEED),
SPEED_MEDIUM: config.get(CONF_PAYLOAD_MEDIUM_SPEED),
SPEED_HIGH: config.get(CONF_PAYLOAD_HIGH_SPEED),
},
config.get(CONF_SPEED_LIST),
config.get(CONF_OPTIMISTIC),
)])
# pylint: disable=too-many-instance-attributes
class MqttFan(FanEntity):
"""A MQTT fan component."""
# pylint: disable=too-many-arguments
def __init__(self, hass, name, topic, templates, qos, retain, payload,
speed_list, optimistic):
"""Initialize the MQTT fan."""
self._hass = hass
self._name = name
self._topic = topic
self._qos = qos
self._retain = retain
self._payload = payload
self._speed_list = speed_list
self._optimistic = optimistic or topic[CONF_STATE_TOPIC] is None
self._optimistic_oscillation = (
optimistic or topic[CONF_OSCILLATION_STATE_TOPIC] is None)
self._optimistic_speed = (
optimistic or topic[CONF_SPEED_STATE_TOPIC] is None)
self._state = False
self._supported_features = 0
self._supported_features |= (topic[CONF_OSCILLATION_STATE_TOPIC]
is not None and SUPPORT_OSCILLATE)
self._supported_features |= (topic[CONF_SPEED_STATE_TOPIC]
is not None and SUPPORT_SET_SPEED)
for key, tpl in list(templates.items()):
if tpl is None:
templates[key] = lambda value: value
else:
tpl.hass = hass
templates[key] = tpl.render_with_possible_json_value
def state_received(topic, payload, qos):
"""A new MQTT message has been received."""
payload = templates[CONF_STATE](payload)
if payload == self._payload[STATE_ON]:
self._state = True
elif payload == self._payload[STATE_OFF]:
self._state = False
self.update_ha_state()
if self._topic[CONF_STATE_TOPIC] is not None:
mqtt.subscribe(self._hass, self._topic[CONF_STATE_TOPIC],
state_received, self._qos)
def speed_received(topic, payload, qos):
"""A new MQTT message for the speed has been received."""
payload = templates[ATTR_SPEED](payload)
if payload == self._payload[SPEED_LOW]:
self._speed = SPEED_LOW
elif payload == self._payload[SPEED_MEDIUM]:
self._speed = SPEED_MED
elif payload == self._payload[SPEED_HIGH]:
self._speed = SPEED_HIGH
self.update_ha_state()
if self._topic[CONF_SPEED_STATE_TOPIC] is not None:
mqtt.subscribe(self._hass, self._topic[CONF_SPEED_STATE_TOPIC],
speed_received, self._qos)
self._speed = SPEED_OFF
elif self._topic[CONF_SPEED_COMMAND_TOPIC] is not None:
self._speed = SPEED_OFF
else:
self._speed = SPEED_OFF
def oscillation_received(topic, payload, qos):
"""A new MQTT message has been received."""
payload = templates[OSCILLATION](payload)
if payload == self._payload[OSCILLATE_ON_PAYLOAD]:
self._oscillation = True
elif payload == self._payload[OSCILLATE_OFF_PAYLOAD]:
self._oscillation = False
self.update_ha_state()
if self._topic[CONF_OSCILLATION_STATE_TOPIC] is not None:
mqtt.subscribe(self._hass,
self._topic[CONF_OSCILLATION_STATE_TOPIC],
oscillation_received, self._qos)
self._oscillation = False
if self._topic[CONF_OSCILLATION_COMMAND_TOPIC] is not None:
self._oscillation = False
else:
self._oscillation = False
@property
def should_poll(self):
"""No polling needed for a MQTT fan."""
return False
@property
def assumed_state(self):
"""Return true if we do optimistic updates."""
return self._optimistic
@property
def is_on(self):
"""Return true if device is on."""
return self._state
@property
def name(self) -> str:
"""Get entity name."""
return self._name
@property
def speed_list(self) -> list:
"""Get the list of available speeds."""
return self._speed_list
@property
def supported_features(self) -> int:
"""Flag supported features."""
return self._supported_features
@property
def speed(self):
"""Return the current speed."""
return self._speed
@property
def oscillating(self):
"""Return the oscillation state."""
return self._oscillation
def turn_on(self, speed: str=SPEED_MED) -> None:
"""Turn on the entity."""
mqtt.publish(self._hass, self._topic[CONF_COMMAND_TOPIC],
self._payload[STATE_ON], self._qos, self._retain)
self.set_speed(speed)
def turn_off(self) -> None:
"""Turn off the entity."""
mqtt.publish(self._hass, self._topic[CONF_COMMAND_TOPIC],
self._payload[STATE_OFF], self._qos, self._retain)
def set_speed(self, speed: str) -> None:
"""Set the speed of the fan."""
if self._topic[CONF_SPEED_COMMAND_TOPIC] is not None:
mqtt_payload = SPEED_OFF
if speed == SPEED_LOW:
mqtt_payload = self._payload[SPEED_LOW]
elif speed == SPEED_MED:
mqtt_payload = self._payload[SPEED_MEDIUM]
elif speed == SPEED_HIGH:
mqtt_payload = self._payload[SPEED_HIGH]
else:
mqtt_payload = speed
self._speed = speed
mqtt.publish(self._hass, self._topic[CONF_SPEED_COMMAND_TOPIC],
mqtt_payload, self._qos, self._retain)
self.update_ha_state()
def oscillate(self, oscillating: bool) -> None:
"""Set oscillation."""
if self._topic[CONF_SPEED_COMMAND_TOPIC] is not None:
self._oscillation = oscillating
mqtt.publish(self._hass,
self._topic[CONF_OSCILLATION_COMMAND_TOPIC],
self._oscillation, self._qos, self._retain)
self.update_ha_state()