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Reconfigure MQTT alarm component if discovery info is changed (#18173)

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emontnemery 2018-11-24 10:48:01 +01:00 • committed by Paulus Schoutsen
parent e41af133fc
commit 5e18d52302
2 changed files with 98 additions and 32 deletions
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91
homeassistant/components/alarm_control_panel/mqtt.py
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@ -19,7 +19,7 @@ from homeassistant.const import (
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, MqttAvailability, MqttDiscoveryUpdate)
CONF_QOS, CONF_RETAIN, MqttAvailability, MqttDiscoveryUpdate, subscription)
from homeassistant.components.mqtt.discovery import MQTT_DISCOVERY_NEW
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.dispatcher import async_dispatcher_connect
@ -71,18 +71,7 @@ async def _async_setup_entity(hass, config, async_add_entities,
discovery_hash=None):
"""Set up the MQTT Alarm Control Panel platform."""
async_add_entities([MqttAlarm(
config.get(CONF_NAME),
config.get(CONF_STATE_TOPIC),
config.get(CONF_COMMAND_TOPIC),
config.get(CONF_QOS),
config.get(CONF_RETAIN),
config.get(CONF_PAYLOAD_DISARM),
config.get(CONF_PAYLOAD_ARM_HOME),
config.get(CONF_PAYLOAD_ARM_AWAY),
config.get(CONF_CODE),
config.get(CONF_AVAILABILITY_TOPIC),
config.get(CONF_PAYLOAD_AVAILABLE),
config.get(CONF_PAYLOAD_NOT_AVAILABLE),
config,
discovery_hash,)])
@ -90,31 +79,61 @@ class MqttAlarm(MqttAvailability, MqttDiscoveryUpdate,
alarm.AlarmControlPanel):
"""Representation of a MQTT alarm status."""
def __init__(self, name, state_topic, command_topic, qos, retain,
payload_disarm, payload_arm_home, payload_arm_away, code,
availability_topic, payload_available, payload_not_available,
discovery_hash):
def __init__(self, config, discovery_hash):
"""Init the MQTT Alarm Control Panel."""
MqttAvailability.__init__(self, availability_topic, qos,
payload_available, payload_not_available)
MqttDiscoveryUpdate.__init__(self, discovery_hash)
self._state = STATE_UNKNOWN
self._name = name
self._state_topic = state_topic
self._command_topic = command_topic
self._qos = qos
self._retain = retain
self._payload_disarm = payload_disarm
self._payload_arm_home = payload_arm_home
self._payload_arm_away = payload_arm_away
self._code = code
self._discovery_hash = discovery_hash
self._config = config
self._sub_state = None
self._name = None
self._state_topic = None
self._command_topic = None
self._qos = None
self._retain = None
self._payload_disarm = None
self._payload_arm_home = None
self._payload_arm_away = None
self._code = None
# Load config
self._setup_from_config(config)
availability_topic = config.get(CONF_AVAILABILITY_TOPIC)
payload_available = config.get(CONF_PAYLOAD_AVAILABLE)
payload_not_available = config.get(CONF_PAYLOAD_NOT_AVAILABLE)
MqttAvailability.__init__(self, availability_topic, self._qos,
payload_available, payload_not_available)
MqttDiscoveryUpdate.__init__(self, discovery_hash,
self.discovery_update)
async def async_added_to_hass(self):
"""Subscribe mqtt events."""
await MqttAvailability.async_added_to_hass(self)
await MqttDiscoveryUpdate.async_added_to_hass(self)
await self._subscribe_topics()
async def discovery_update(self, discovery_payload):
"""Handle updated discovery message."""
config = PLATFORM_SCHEMA(discovery_payload)
self._setup_from_config(config)
await self.availability_discovery_update(config)
await self._subscribe_topics()
self.async_schedule_update_ha_state()
def _setup_from_config(self, config):
"""(Re)Setup the entity."""
self._name = config.get(CONF_NAME)
self._state_topic = config.get(CONF_STATE_TOPIC)
self._command_topic = config.get(CONF_COMMAND_TOPIC)
self._qos = config.get(CONF_QOS)
self._retain = config.get(CONF_RETAIN)
self._payload_disarm = config.get(CONF_PAYLOAD_DISARM)
self._payload_arm_home = config.get(CONF_PAYLOAD_ARM_HOME)
self._payload_arm_away = config.get(CONF_PAYLOAD_ARM_AWAY)
self._code = config.get(CONF_CODE)
async def _subscribe_topics(self):
"""(Re)Subscribe to topics."""
@callback
def message_received(topic, payload, qos):
"""Run when new MQTT message has been received."""
@ -126,8 +145,16 @@ class MqttAlarm(MqttAvailability, MqttDiscoveryUpdate,
self._state = payload
self.async_schedule_update_ha_state()
await mqtt.async_subscribe(
self.hass, self._state_topic, message_received, self._qos)
self._sub_state = await subscription.async_subscribe_topics(
self.hass, self._sub_state,
{'state_topic': {'topic': self._state_topic,
'msg_callback': message_received,
'qos': self._qos}})
async def async_will_remove_from_hass(self):
"""Unsubscribe when removed."""
await subscription.async_unsubscribe_topics(self.hass, self._sub_state)
await MqttAvailability.async_will_remove_from_hass(self)
@property
def should_poll(self):