45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
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"""Provides device automations for MQTT."""
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import logging
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import voluptuous as vol
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from homeassistant.components import mqtt
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from . import ATTR_DISCOVERY_HASH, device_trigger
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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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AUTOMATION_TYPE_TRIGGER = "trigger"
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AUTOMATION_TYPES = [AUTOMATION_TYPE_TRIGGER]
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AUTOMATION_TYPES_SCHEMA = vol.In(AUTOMATION_TYPES)
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CONF_AUTOMATION_TYPE = "automation_type"
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PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend(
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{vol.Required(CONF_AUTOMATION_TYPE): AUTOMATION_TYPES_SCHEMA},
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extra=vol.ALLOW_EXTRA,
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)
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async def async_setup_entry(hass, config_entry):
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"""Set up MQTT device automation dynamically through MQTT discovery."""
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async def async_discover(discovery_payload):
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"""Discover and add an MQTT device automation."""
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discovery_hash = discovery_payload.pop(ATTR_DISCOVERY_HASH)
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try:
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config = PLATFORM_SCHEMA(discovery_payload)
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if config[CONF_AUTOMATION_TYPE] == AUTOMATION_TYPE_TRIGGER:
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await device_trigger.async_setup_trigger(
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hass, config, config_entry, discovery_hash
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)
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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("device_automation", "mqtt"), async_discover
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)
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