263 lines
10 KiB
Python
263 lines
10 KiB
Python
"""This platform enables the possibility to control a MQTT alarm."""
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import logging
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import re
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import voluptuous as vol
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from homeassistant.components import mqtt
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import homeassistant.components.alarm_control_panel as alarm
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from homeassistant.const import (
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CONF_CODE, CONF_DEVICE, CONF_NAME, CONF_VALUE_TEMPLATE,
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STATE_ALARM_ARMED_AWAY, STATE_ALARM_ARMED_HOME, STATE_ALARM_ARMED_NIGHT,
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STATE_ALARM_DISARMED, STATE_ALARM_PENDING, STATE_ALARM_TRIGGERED)
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from homeassistant.core import callback
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.typing import ConfigType, HomeAssistantType
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from . import (
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ATTR_DISCOVERY_HASH, CONF_COMMAND_TOPIC, CONF_QOS, CONF_RETAIN,
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CONF_STATE_TOPIC, CONF_UNIQUE_ID, MqttAttributes, MqttAvailability,
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MqttDiscoveryUpdate, MqttEntityDeviceInfo, subscription)
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from .discovery import MQTT_DISCOVERY_NEW, clear_discovery_hash
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_LOGGER = logging.getLogger(__name__)
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CONF_CODE_ARM_REQUIRED = 'code_arm_required'
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CONF_CODE_DISARM_REQUIRED = 'code_disarm_required'
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CONF_PAYLOAD_DISARM = 'payload_disarm'
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CONF_PAYLOAD_ARM_HOME = 'payload_arm_home'
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CONF_PAYLOAD_ARM_AWAY = 'payload_arm_away'
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CONF_PAYLOAD_ARM_NIGHT = 'payload_arm_night'
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CONF_COMMAND_TEMPLATE = 'command_template'
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DEFAULT_COMMAND_TEMPLATE = '{{action}}'
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DEFAULT_ARM_NIGHT = 'ARM_NIGHT'
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DEFAULT_ARM_AWAY = 'ARM_AWAY'
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DEFAULT_ARM_HOME = 'ARM_HOME'
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DEFAULT_DISARM = 'DISARM'
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DEFAULT_NAME = 'MQTT Alarm'
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PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_CODE): cv.string,
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vol.Optional(CONF_CODE_ARM_REQUIRED, default=True): cv.boolean,
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vol.Optional(CONF_CODE_DISARM_REQUIRED, default=True): cv.boolean,
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vol.Optional(CONF_COMMAND_TEMPLATE,
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default=DEFAULT_COMMAND_TEMPLATE): cv.template,
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vol.Required(CONF_COMMAND_TOPIC): mqtt.valid_publish_topic,
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vol.Optional(CONF_DEVICE): mqtt.MQTT_ENTITY_DEVICE_INFO_SCHEMA,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_PAYLOAD_ARM_AWAY, default=DEFAULT_ARM_AWAY): cv.string,
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vol.Optional(CONF_PAYLOAD_ARM_HOME, default=DEFAULT_ARM_HOME): cv.string,
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vol.Optional(CONF_PAYLOAD_ARM_NIGHT, default=DEFAULT_ARM_NIGHT): cv.string,
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vol.Optional(CONF_PAYLOAD_DISARM, default=DEFAULT_DISARM): cv.string,
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vol.Optional(CONF_RETAIN, default=mqtt.DEFAULT_RETAIN): cv.boolean,
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vol.Required(CONF_STATE_TOPIC): mqtt.valid_subscribe_topic,
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vol.Optional(CONF_UNIQUE_ID): cv.string,
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vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
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}).extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema).extend(
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mqtt.MQTT_JSON_ATTRS_SCHEMA.schema)
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async def async_setup_platform(hass: HomeAssistantType, config: ConfigType,
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async_add_entities, discovery_info=None):
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"""Set up MQTT alarm control panel through configuration.yaml."""
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await _async_setup_entity(config, async_add_entities)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up MQTT alarm control panel dynamically through MQTT discovery."""
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async def async_discover(discovery_payload):
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"""Discover and add an MQTT alarm control panel."""
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try:
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discovery_hash = discovery_payload.pop(ATTR_DISCOVERY_HASH)
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config = PLATFORM_SCHEMA(discovery_payload)
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await _async_setup_entity(config, async_add_entities, config_entry,
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discovery_hash)
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except Exception:
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if discovery_hash:
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clear_discovery_hash(hass, discovery_hash)
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raise
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async_dispatcher_connect(
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hass, MQTT_DISCOVERY_NEW.format(alarm.DOMAIN, 'mqtt'),
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async_discover)
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async def _async_setup_entity(config, async_add_entities, config_entry=None,
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discovery_hash=None):
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"""Set up the MQTT Alarm Control Panel platform."""
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async_add_entities([MqttAlarm(config, config_entry, discovery_hash)])
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class MqttAlarm(MqttAttributes, MqttAvailability, MqttDiscoveryUpdate,
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MqttEntityDeviceInfo, alarm.AlarmControlPanel):
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"""Representation of a MQTT alarm status."""
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def __init__(self, config, config_entry, discovery_hash):
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"""Init the MQTT Alarm Control Panel."""
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self._state = None
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self._config = config
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self._unique_id = config.get(CONF_UNIQUE_ID)
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self._sub_state = None
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device_config = config.get(CONF_DEVICE)
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MqttAttributes.__init__(self, config)
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MqttAvailability.__init__(self, config)
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MqttDiscoveryUpdate.__init__(self, discovery_hash,
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self.discovery_update)
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MqttEntityDeviceInfo.__init__(self, device_config, config_entry)
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async def async_added_to_hass(self):
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"""Subscribe mqtt events."""
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await super().async_added_to_hass()
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await self._subscribe_topics()
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async def discovery_update(self, discovery_payload):
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"""Handle updated discovery message."""
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config = PLATFORM_SCHEMA(discovery_payload)
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self._config = config
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await self.attributes_discovery_update(config)
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await self.availability_discovery_update(config)
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await self.device_info_discovery_update(config)
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await self._subscribe_topics()
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self.async_write_ha_state()
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async def _subscribe_topics(self):
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"""(Re)Subscribe to topics."""
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value_template = self._config.get(CONF_VALUE_TEMPLATE)
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if value_template is not None:
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value_template.hass = self.hass
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command_template = self._config[CONF_COMMAND_TEMPLATE]
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command_template.hass = self.hass
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@callback
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def message_received(msg):
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"""Run when new MQTT message has been received."""
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payload = msg.payload
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if value_template is not None:
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payload = value_template.async_render_with_possible_json_value(
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msg.payload, self._state)
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if payload not in (
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STATE_ALARM_DISARMED, STATE_ALARM_ARMED_HOME,
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STATE_ALARM_ARMED_AWAY,
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STATE_ALARM_ARMED_NIGHT,
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STATE_ALARM_PENDING,
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STATE_ALARM_TRIGGERED):
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_LOGGER.warning("Received unexpected payload: %s", msg.payload)
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return
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self._state = payload
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self.async_write_ha_state()
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self._sub_state = await subscription.async_subscribe_topics(
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self.hass, self._sub_state,
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{'state_topic': {'topic': self._config[CONF_STATE_TOPIC],
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'msg_callback': message_received,
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'qos': self._config[CONF_QOS]}})
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async def async_will_remove_from_hass(self):
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"""Unsubscribe when removed."""
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self._sub_state = await subscription.async_unsubscribe_topics(
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self.hass, self._sub_state)
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await MqttAttributes.async_will_remove_from_hass(self)
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await MqttAvailability.async_will_remove_from_hass(self)
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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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._config[CONF_NAME]
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@property
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def unique_id(self):
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"""Return a unique ID."""
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return self._unique_id
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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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return self._state
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@property
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def code_format(self):
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"""Return one or more digits/characters."""
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code = self._config.get(CONF_CODE)
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if code is None:
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return None
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if isinstance(code, str) and re.search('^\\d+$', code):
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return alarm.FORMAT_NUMBER
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return alarm.FORMAT_TEXT
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@property
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def code_arm_required(self):
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"""Whether the code is required for arm actions."""
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code_required = self._config.get(CONF_CODE_ARM_REQUIRED)
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return code_required
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async def async_alarm_disarm(self, code=None):
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"""Send disarm command.
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This method is a coroutine.
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"""
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code_required = self._config[CONF_CODE_DISARM_REQUIRED]
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if code_required and not self._validate_code(code, 'disarming'):
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return
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payload = self._config[CONF_PAYLOAD_DISARM]
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self._publish(code, payload)
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async def async_alarm_arm_home(self, code=None):
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"""Send arm home command.
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This method is a coroutine.
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"""
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code_required = self._config[CONF_CODE_ARM_REQUIRED]
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if code_required and not self._validate_code(code, 'arming home'):
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return
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action = self._config[CONF_PAYLOAD_ARM_HOME]
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self._publish(code, action)
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async def async_alarm_arm_away(self, code=None):
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"""Send arm away command.
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This method is a coroutine.
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"""
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code_required = self._config[CONF_CODE_ARM_REQUIRED]
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if code_required and not self._validate_code(code, 'arming away'):
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return
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action = self._config[CONF_PAYLOAD_ARM_AWAY]
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self._publish(code, action)
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async def async_alarm_arm_night(self, code=None):
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"""Send arm night command.
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This method is a coroutine.
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"""
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code_required = self._config[CONF_CODE_ARM_REQUIRED]
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if code_required and not self._validate_code(code, 'arming night'):
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return
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action = self._config[CONF_PAYLOAD_ARM_NIGHT]
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self._publish(code, action)
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def _publish(self, code, action):
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"""Publish via mqtt."""
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command_template = self._config[CONF_COMMAND_TEMPLATE]
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values = {'action': action, 'code': code}
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payload = command_template.async_render(**values)
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mqtt.async_publish(
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self.hass, self._config[CONF_COMMAND_TOPIC],
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payload,
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self._config[CONF_QOS],
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self._config[CONF_RETAIN])
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def _validate_code(self, code, state):
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"""Validate given code."""
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conf_code = self._config.get(CONF_CODE)
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check = conf_code is None or code == conf_code
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if not check:
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_LOGGER.warning('Wrong code entered for %s', state)
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return check
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