122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
"""Support for MQTT buttons."""
|
|
from __future__ import annotations
|
|
|
|
import functools
|
|
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.components import button
|
|
from homeassistant.components.button import ButtonDeviceClass, ButtonEntity
|
|
from homeassistant.config_entries import ConfigEntry
|
|
from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
|
|
from homeassistant.core import HomeAssistant
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.entity_platform import AddEntitiesCallback
|
|
from homeassistant.helpers.reload import async_setup_reload_service
|
|
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
|
|
|
|
from . import PLATFORMS, MqttCommandTemplate
|
|
from .. import mqtt
|
|
from .const import (
|
|
CONF_COMMAND_TEMPLATE,
|
|
CONF_COMMAND_TOPIC,
|
|
CONF_ENCODING,
|
|
CONF_QOS,
|
|
CONF_RETAIN,
|
|
DOMAIN,
|
|
)
|
|
from .mixins import MQTT_ENTITY_COMMON_SCHEMA, MqttEntity, async_setup_entry_helper
|
|
|
|
CONF_PAYLOAD_PRESS = "payload_press"
|
|
DEFAULT_NAME = "MQTT Button"
|
|
DEFAULT_PAYLOAD_PRESS = "PRESS"
|
|
|
|
PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend(
|
|
{
|
|
vol.Optional(CONF_COMMAND_TEMPLATE): cv.template,
|
|
vol.Required(CONF_COMMAND_TOPIC): mqtt.valid_publish_topic,
|
|
vol.Optional(CONF_DEVICE_CLASS): button.DEVICE_CLASSES_SCHEMA,
|
|
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
|
|
vol.Optional(CONF_PAYLOAD_PRESS, default=DEFAULT_PAYLOAD_PRESS): cv.string,
|
|
vol.Optional(CONF_RETAIN, default=mqtt.DEFAULT_RETAIN): cv.boolean,
|
|
}
|
|
).extend(MQTT_ENTITY_COMMON_SCHEMA.schema)
|
|
|
|
DISCOVERY_SCHEMA = PLATFORM_SCHEMA.extend({}, extra=vol.REMOVE_EXTRA)
|
|
|
|
|
|
async def async_setup_platform(
|
|
hass: HomeAssistant,
|
|
config: ConfigType,
|
|
async_add_entities: AddEntitiesCallback,
|
|
discovery_info: DiscoveryInfoType | None = None,
|
|
) -> None:
|
|
"""Set up MQTT button through configuration.yaml."""
|
|
await async_setup_reload_service(hass, DOMAIN, PLATFORMS)
|
|
await _async_setup_entity(hass, async_add_entities, config)
|
|
|
|
|
|
async def async_setup_entry(
|
|
hass: HomeAssistant,
|
|
config_entry: ConfigEntry,
|
|
async_add_entities: AddEntitiesCallback,
|
|
) -> None:
|
|
"""Set up MQTT button dynamically through MQTT discovery."""
|
|
setup = functools.partial(
|
|
_async_setup_entity, hass, async_add_entities, config_entry=config_entry
|
|
)
|
|
await async_setup_entry_helper(hass, button.DOMAIN, setup, DISCOVERY_SCHEMA)
|
|
|
|
|
|
async def _async_setup_entity(
|
|
hass, async_add_entities, config, config_entry=None, discovery_data=None
|
|
):
|
|
"""Set up the MQTT button."""
|
|
async_add_entities([MqttButton(hass, config, config_entry, discovery_data)])
|
|
|
|
|
|
class MqttButton(MqttEntity, ButtonEntity):
|
|
"""Representation of a switch that can be toggled using MQTT."""
|
|
|
|
_entity_id_format = button.ENTITY_ID_FORMAT
|
|
|
|
def __init__(self, hass, config, config_entry, discovery_data):
|
|
"""Initialize the MQTT button."""
|
|
MqttEntity.__init__(self, hass, config, config_entry, discovery_data)
|
|
|
|
@staticmethod
|
|
def config_schema():
|
|
"""Return the config schema."""
|
|
return DISCOVERY_SCHEMA
|
|
|
|
def _setup_from_config(self, config):
|
|
"""(Re)Setup the entity."""
|
|
self._command_template = MqttCommandTemplate(
|
|
config.get(CONF_COMMAND_TEMPLATE), entity=self
|
|
).async_render
|
|
|
|
def _prepare_subscribe_topics(self):
|
|
"""(Re)Subscribe to topics."""
|
|
|
|
async def _subscribe_topics(self):
|
|
"""(Re)Subscribe to topics."""
|
|
|
|
@property
|
|
def device_class(self) -> ButtonDeviceClass | None:
|
|
"""Return the device class of the sensor."""
|
|
return self._config.get(CONF_DEVICE_CLASS)
|
|
|
|
async def async_press(self, **kwargs):
|
|
"""Turn the device on.
|
|
|
|
This method is a coroutine.
|
|
"""
|
|
payload = self._command_template(self._config[CONF_PAYLOAD_PRESS])
|
|
await self.async_publish(
|
|
self._config[CONF_COMMAND_TOPIC],
|
|
payload,
|
|
self._config[CONF_QOS],
|
|
self._config[CONF_RETAIN],
|
|
self._config[CONF_ENCODING],
|
|
)
|