core/homeassistant/components/mqtt/device_automation.py

43 lines
1.5 KiB
Python

"""Provides device automations for MQTT."""
import functools
import voluptuous as vol
from homeassistant.helpers.device_registry import EVENT_DEVICE_REGISTRY_UPDATED
from . import device_trigger
from .. import mqtt
from .mixins import async_setup_entry_helper
AUTOMATION_TYPE_TRIGGER = "trigger"
AUTOMATION_TYPES = [AUTOMATION_TYPE_TRIGGER]
AUTOMATION_TYPES_SCHEMA = vol.In(AUTOMATION_TYPES)
CONF_AUTOMATION_TYPE = "automation_type"
PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend(
{vol.Required(CONF_AUTOMATION_TYPE): AUTOMATION_TYPES_SCHEMA},
extra=vol.ALLOW_EXTRA,
)
async def async_setup_entry(hass, config_entry):
"""Set up MQTT device automation dynamically through MQTT discovery."""
async def async_device_removed(event):
"""Handle the removal of a device."""
if event.data["action"] != "remove":
return
await device_trigger.async_device_removed(hass, event.data["device_id"])
setup = functools.partial(_async_setup_automation, hass, config_entry=config_entry)
await async_setup_entry_helper(hass, "device_automation", setup, PLATFORM_SCHEMA)
hass.bus.async_listen(EVENT_DEVICE_REGISTRY_UPDATED, async_device_removed)
async def _async_setup_automation(hass, config, config_entry, discovery_data):
"""Set up an MQTT device automation."""
if config[CONF_AUTOMATION_TYPE] == AUTOMATION_TYPE_TRIGGER:
await device_trigger.async_setup_trigger(
hass, config, config_entry, discovery_data
)