149 lines
4.7 KiB
Python
149 lines
4.7 KiB
Python
"""Configure number in a device through MQTT topic."""
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import functools
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import logging
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import voluptuous as vol
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from homeassistant.components import number
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from homeassistant.components.number import NumberEntity
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from homeassistant.const import CONF_NAME, CONF_OPTIMISTIC
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from homeassistant.core import callback
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers.reload import async_setup_reload_service
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from homeassistant.helpers.restore_state import RestoreEntity
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from homeassistant.helpers.typing import ConfigType, HomeAssistantType
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from . import (
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CONF_COMMAND_TOPIC,
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CONF_QOS,
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CONF_STATE_TOPIC,
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DOMAIN,
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PLATFORMS,
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subscription,
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)
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from .. import mqtt
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from .const import CONF_RETAIN
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from .debug_info import log_messages
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from .mixins import MQTT_ENTITY_COMMON_SCHEMA, MqttEntity, async_setup_entry_helper
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = "MQTT Number"
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DEFAULT_OPTIMISTIC = False
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PLATFORM_SCHEMA = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend(
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{
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
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}
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).extend(MQTT_ENTITY_COMMON_SCHEMA.schema)
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async def async_setup_platform(
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hass: HomeAssistantType, config: ConfigType, async_add_entities, discovery_info=None
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):
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"""Set up MQTT number through configuration.yaml."""
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await async_setup_reload_service(hass, DOMAIN, PLATFORMS)
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await _async_setup_entity(async_add_entities, config)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up MQTT number dynamically through MQTT discovery."""
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setup = functools.partial(
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_async_setup_entity, async_add_entities, config_entry=config_entry
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)
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await async_setup_entry_helper(hass, number.DOMAIN, setup, PLATFORM_SCHEMA)
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async def _async_setup_entity(
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async_add_entities, config, config_entry=None, discovery_data=None
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):
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"""Set up the MQTT number."""
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async_add_entities([MqttNumber(config, config_entry, discovery_data)])
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class MqttNumber(MqttEntity, NumberEntity, RestoreEntity):
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"""representation of an MQTT number."""
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def __init__(self, config, config_entry, discovery_data):
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"""Initialize the MQTT Number."""
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self._sub_state = None
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self._current_number = None
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self._optimistic = config.get(CONF_OPTIMISTIC)
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NumberEntity.__init__(self)
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MqttEntity.__init__(self, None, config, config_entry, discovery_data)
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@staticmethod
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def config_schema():
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"""Return the config schema."""
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return PLATFORM_SCHEMA
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async def _subscribe_topics(self):
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"""(Re)Subscribe to topics."""
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@callback
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@log_messages(self.hass, self.entity_id)
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def message_received(msg):
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"""Handle new MQTT messages."""
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try:
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if msg.payload.decode("utf-8").isnumeric():
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self._current_number = int(msg.payload)
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else:
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self._current_number = float(msg.payload)
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self.async_write_ha_state()
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except ValueError:
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_LOGGER.warning("We received <%s> which is not a Number", msg.payload)
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if self._config.get(CONF_STATE_TOPIC) is None:
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# Force into optimistic mode.
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self._optimistic = True
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else:
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self._sub_state = await subscription.async_subscribe_topics(
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self.hass,
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self._sub_state,
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{
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"state_topic": {
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"topic": self._config.get(CONF_STATE_TOPIC),
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"msg_callback": message_received,
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"qos": self._config[CONF_QOS],
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"encoding": None,
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}
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},
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)
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if self._optimistic:
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last_state = await self.async_get_last_state()
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if last_state:
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self._current_number = last_state.state
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@property
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def value(self):
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"""Return the current value."""
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return self._current_number
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async def async_set_value(self, value: float) -> None:
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"""Update the current value."""
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current_number = value
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if value.is_integer():
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current_number = int(value)
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if self._optimistic:
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self._current_number = current_number
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self.async_write_ha_state()
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mqtt.async_publish(
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self.hass,
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self._config[CONF_COMMAND_TOPIC],
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current_number,
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self._config[CONF_QOS],
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self._config[CONF_RETAIN],
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)
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@property
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def assumed_state(self):
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"""Return true if we do optimistic updates."""
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return self._optimistic
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