mirror of
https://github.com/home-assistant/core
synced 2024-08-28 03:36:46 +02:00
c7b6c9da31
* Remove work-a-round for mqtt sensors with an entity_category set to `config` * Cleanup strings
275 lines
9.9 KiB
Python
275 lines
9.9 KiB
Python
"""Support for MQTT binary sensors."""
|
|
from __future__ import annotations
|
|
|
|
from datetime import datetime, timedelta
|
|
import logging
|
|
from typing import Any
|
|
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.components import binary_sensor
|
|
from homeassistant.components.binary_sensor import (
|
|
DEVICE_CLASSES_SCHEMA,
|
|
BinarySensorEntity,
|
|
)
|
|
from homeassistant.config_entries import ConfigEntry
|
|
from homeassistant.const import (
|
|
CONF_DEVICE_CLASS,
|
|
CONF_FORCE_UPDATE,
|
|
CONF_NAME,
|
|
CONF_PAYLOAD_OFF,
|
|
CONF_PAYLOAD_ON,
|
|
CONF_VALUE_TEMPLATE,
|
|
STATE_ON,
|
|
STATE_UNAVAILABLE,
|
|
STATE_UNKNOWN,
|
|
)
|
|
from homeassistant.core import CALLBACK_TYPE, HomeAssistant, callback
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.entity_platform import AddEntitiesCallback
|
|
import homeassistant.helpers.event as evt
|
|
from homeassistant.helpers.event import async_call_later
|
|
from homeassistant.helpers.restore_state import RestoreEntity
|
|
from homeassistant.helpers.typing import ConfigType
|
|
from homeassistant.util import dt as dt_util
|
|
|
|
from . import subscription
|
|
from .config import MQTT_RO_SCHEMA
|
|
from .const import CONF_ENCODING, CONF_QOS, CONF_STATE_TOPIC, PAYLOAD_NONE
|
|
from .debug_info import log_messages
|
|
from .mixins import (
|
|
MQTT_ENTITY_COMMON_SCHEMA,
|
|
MqttAvailability,
|
|
MqttEntity,
|
|
async_setup_entity_entry_helper,
|
|
write_state_on_attr_change,
|
|
)
|
|
from .models import MqttValueTemplate, ReceiveMessage
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
DEFAULT_NAME = "MQTT Binary sensor"
|
|
CONF_OFF_DELAY = "off_delay"
|
|
DEFAULT_PAYLOAD_OFF = "OFF"
|
|
DEFAULT_PAYLOAD_ON = "ON"
|
|
DEFAULT_FORCE_UPDATE = False
|
|
CONF_EXPIRE_AFTER = "expire_after"
|
|
|
|
PLATFORM_SCHEMA_MODERN = MQTT_RO_SCHEMA.extend(
|
|
{
|
|
vol.Optional(CONF_DEVICE_CLASS): vol.Any(DEVICE_CLASSES_SCHEMA, None),
|
|
vol.Optional(CONF_EXPIRE_AFTER): cv.positive_int,
|
|
vol.Optional(CONF_FORCE_UPDATE, default=DEFAULT_FORCE_UPDATE): cv.boolean,
|
|
vol.Optional(CONF_NAME): vol.Any(cv.string, None),
|
|
vol.Optional(CONF_OFF_DELAY): cv.positive_int,
|
|
vol.Optional(CONF_PAYLOAD_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string,
|
|
vol.Optional(CONF_PAYLOAD_ON, default=DEFAULT_PAYLOAD_ON): cv.string,
|
|
}
|
|
).extend(MQTT_ENTITY_COMMON_SCHEMA.schema)
|
|
|
|
DISCOVERY_SCHEMA = PLATFORM_SCHEMA_MODERN.extend({}, extra=vol.REMOVE_EXTRA)
|
|
|
|
|
|
async def async_setup_entry(
|
|
hass: HomeAssistant,
|
|
config_entry: ConfigEntry,
|
|
async_add_entities: AddEntitiesCallback,
|
|
) -> None:
|
|
"""Set up MQTT binary sensor through YAML and through MQTT discovery."""
|
|
await async_setup_entity_entry_helper(
|
|
hass,
|
|
config_entry,
|
|
MqttBinarySensor,
|
|
binary_sensor.DOMAIN,
|
|
async_add_entities,
|
|
DISCOVERY_SCHEMA,
|
|
PLATFORM_SCHEMA_MODERN,
|
|
)
|
|
|
|
|
|
class MqttBinarySensor(MqttEntity, BinarySensorEntity, RestoreEntity):
|
|
"""Representation a binary sensor that is updated by MQTT."""
|
|
|
|
_default_name = DEFAULT_NAME
|
|
_delay_listener: CALLBACK_TYPE | None = None
|
|
_entity_id_format = binary_sensor.ENTITY_ID_FORMAT
|
|
_expired: bool | None
|
|
_expire_after: int | None
|
|
_expiration_trigger: CALLBACK_TYPE | None = None
|
|
|
|
async def mqtt_async_added_to_hass(self) -> None:
|
|
"""Restore state for entities with expire_after set."""
|
|
if (
|
|
self._expire_after
|
|
and (last_state := await self.async_get_last_state()) is not None
|
|
and last_state.state not in [STATE_UNKNOWN, STATE_UNAVAILABLE]
|
|
# We might have set up a trigger already after subscribing from
|
|
# MqttEntity.async_added_to_hass(), then we should not restore state
|
|
and not self._expiration_trigger
|
|
):
|
|
expiration_at: datetime = last_state.last_changed + timedelta(
|
|
seconds=self._expire_after
|
|
)
|
|
remain_seconds = (expiration_at - dt_util.utcnow()).total_seconds()
|
|
|
|
if remain_seconds <= 0:
|
|
# Skip reactivating the binary_sensor
|
|
_LOGGER.debug("Skip state recovery after reload for %s", self.entity_id)
|
|
return
|
|
self._expired = False
|
|
self._attr_is_on = last_state.state == STATE_ON
|
|
|
|
self._expiration_trigger = async_call_later(
|
|
self.hass, remain_seconds, self._value_is_expired
|
|
)
|
|
_LOGGER.debug(
|
|
(
|
|
"State recovered after reload for %s, remaining time before"
|
|
" expiring %s"
|
|
),
|
|
self.entity_id,
|
|
remain_seconds,
|
|
)
|
|
|
|
async def async_will_remove_from_hass(self) -> None:
|
|
"""Remove exprire triggers."""
|
|
# Clean up expire triggers
|
|
if self._expiration_trigger:
|
|
_LOGGER.debug("Clean up expire after trigger for %s", self.entity_id)
|
|
self._expiration_trigger()
|
|
self._expiration_trigger = None
|
|
self._expired = False
|
|
await MqttEntity.async_will_remove_from_hass(self)
|
|
|
|
@staticmethod
|
|
def config_schema() -> vol.Schema:
|
|
"""Return the config schema."""
|
|
return DISCOVERY_SCHEMA
|
|
|
|
def _setup_from_config(self, config: ConfigType) -> None:
|
|
"""(Re)Setup the entity."""
|
|
self._expire_after = config.get(CONF_EXPIRE_AFTER)
|
|
if self._expire_after:
|
|
self._expired = True
|
|
else:
|
|
self._expired = None
|
|
self._attr_force_update = config[CONF_FORCE_UPDATE]
|
|
self._attr_device_class = config.get(CONF_DEVICE_CLASS)
|
|
|
|
self._value_template = MqttValueTemplate(
|
|
self._config.get(CONF_VALUE_TEMPLATE),
|
|
entity=self,
|
|
).async_render_with_possible_json_value
|
|
|
|
def _prepare_subscribe_topics(self) -> None:
|
|
"""(Re)Subscribe to topics."""
|
|
|
|
@callback
|
|
def off_delay_listener(now: datetime) -> None:
|
|
"""Switch device off after a delay."""
|
|
self._delay_listener = None
|
|
self._attr_is_on = False
|
|
self.async_write_ha_state()
|
|
|
|
@callback
|
|
@log_messages(self.hass, self.entity_id)
|
|
@write_state_on_attr_change(self, {"_attr_is_on", "_expired"})
|
|
def state_message_received(msg: ReceiveMessage) -> None:
|
|
"""Handle a new received MQTT state message."""
|
|
# auto-expire enabled?
|
|
if self._expire_after:
|
|
# When expire_after is set, and we receive a message, assume device is
|
|
# not expired since it has to be to receive the message
|
|
self._expired = False
|
|
|
|
# Reset old trigger
|
|
if self._expiration_trigger:
|
|
self._expiration_trigger()
|
|
|
|
# Set new trigger
|
|
self._expiration_trigger = async_call_later(
|
|
self.hass, self._expire_after, self._value_is_expired
|
|
)
|
|
|
|
payload = self._value_template(msg.payload)
|
|
if not payload.strip(): # No output from template, ignore
|
|
_LOGGER.debug(
|
|
(
|
|
"Empty template output for entity: %s with state topic: %s."
|
|
" Payload: '%s', with value template '%s'"
|
|
),
|
|
self.entity_id,
|
|
self._config[CONF_STATE_TOPIC],
|
|
msg.payload,
|
|
self._config.get(CONF_VALUE_TEMPLATE),
|
|
)
|
|
return
|
|
|
|
if payload == self._config[CONF_PAYLOAD_ON]:
|
|
self._attr_is_on = True
|
|
elif payload == self._config[CONF_PAYLOAD_OFF]:
|
|
self._attr_is_on = False
|
|
elif payload == PAYLOAD_NONE:
|
|
self._attr_is_on = None
|
|
else: # Payload is not for this entity
|
|
template_info = ""
|
|
if self._config.get(CONF_VALUE_TEMPLATE) is not None:
|
|
template_info = (
|
|
f", template output: '{str(payload)}', with value template"
|
|
f" '{str(self._config.get(CONF_VALUE_TEMPLATE))}'"
|
|
)
|
|
_LOGGER.info(
|
|
(
|
|
"No matching payload found for entity: %s with state topic: %s."
|
|
" Payload: '%s'%s"
|
|
),
|
|
self.entity_id,
|
|
self._config[CONF_STATE_TOPIC],
|
|
msg.payload,
|
|
template_info,
|
|
)
|
|
return
|
|
|
|
if self._delay_listener is not None:
|
|
self._delay_listener()
|
|
self._delay_listener = None
|
|
|
|
off_delay: int | None = self._config.get(CONF_OFF_DELAY)
|
|
if self._attr_is_on and off_delay is not None:
|
|
self._delay_listener = evt.async_call_later(
|
|
self.hass, off_delay, off_delay_listener
|
|
)
|
|
|
|
self._sub_state = subscription.async_prepare_subscribe_topics(
|
|
self.hass,
|
|
self._sub_state,
|
|
{
|
|
"state_topic": {
|
|
"topic": self._config[CONF_STATE_TOPIC],
|
|
"msg_callback": state_message_received,
|
|
"qos": self._config[CONF_QOS],
|
|
"encoding": self._config[CONF_ENCODING] or None,
|
|
}
|
|
},
|
|
)
|
|
|
|
async def _subscribe_topics(self) -> None:
|
|
"""(Re)Subscribe to topics."""
|
|
await subscription.async_subscribe_topics(self.hass, self._sub_state)
|
|
|
|
@callback
|
|
def _value_is_expired(self, *_: Any) -> None:
|
|
"""Triggered when value is expired."""
|
|
self._expiration_trigger = None
|
|
self._expired = True
|
|
|
|
self.async_write_ha_state()
|
|
|
|
@property
|
|
def available(self) -> bool:
|
|
"""Return true if the device is available and value has not expired."""
|
|
# mypy doesn't know about fget: https://github.com/python/mypy/issues/6185
|
|
return MqttAvailability.available.fget(self) and ( # type: ignore[attr-defined]
|
|
self._expire_after is None or not self._expired
|
|
)
|