core/homeassistant/components/tasmota/binary_sensor.py

107 lines
3.4 KiB
Python

"""Support for Tasmota binary sensors."""
from __future__ import annotations
from collections.abc import Callable
from datetime import datetime
from typing import Any
from hatasmota import switch as tasmota_switch
from hatasmota.entity import TasmotaEntity as HATasmotaEntity
from hatasmota.models import DiscoveryHashType
from homeassistant.components import binary_sensor
from homeassistant.components.binary_sensor import BinarySensorEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
import homeassistant.helpers.event as evt
from .const import DATA_REMOVE_DISCOVER_COMPONENT
from .discovery import TASMOTA_DISCOVERY_ENTITY_NEW
from .entity import TasmotaAvailability, TasmotaDiscoveryUpdate
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Tasmota binary sensor dynamically through discovery."""
@callback
def async_discover(
tasmota_entity: HATasmotaEntity, discovery_hash: DiscoveryHashType
) -> None:
"""Discover and add a Tasmota binary sensor."""
async_add_entities(
[
TasmotaBinarySensor(
tasmota_entity=tasmota_entity, discovery_hash=discovery_hash
)
]
)
hass.data[DATA_REMOVE_DISCOVER_COMPONENT.format(binary_sensor.DOMAIN)] = (
async_dispatcher_connect(
hass,
TASMOTA_DISCOVERY_ENTITY_NEW.format(binary_sensor.DOMAIN),
async_discover,
)
)
class TasmotaBinarySensor(
TasmotaAvailability,
TasmotaDiscoveryUpdate,
BinarySensorEntity,
):
"""Representation a Tasmota binary sensor."""
_delay_listener: Callable | None = None
_on_off_state: bool | None = None
_tasmota_entity: tasmota_switch.TasmotaSwitch
def __init__(self, **kwds: Any) -> None:
"""Initialize the Tasmota binary sensor."""
super().__init__(
**kwds,
)
if self._tasmota_entity.off_delay is not None:
self._attr_force_update = True
async def async_added_to_hass(self) -> None:
"""Subscribe to MQTT events."""
self._tasmota_entity.set_on_state_callback(self.on_off_state_updated)
await super().async_added_to_hass()
@callback
def off_delay_listener(self, now: datetime) -> None:
"""Switch device off after a delay."""
self._delay_listener = None
self._on_off_state = False
self.async_write_ha_state()
@callback
def on_off_state_updated(self, state: bool, **kwargs: Any) -> None:
"""Handle state updates."""
self._on_off_state = state
if self._delay_listener is not None:
self._delay_listener()
self._delay_listener = None
off_delay = self._tasmota_entity.off_delay
if self._on_off_state and off_delay is not None:
self._delay_listener = evt.async_call_later(
self.hass, off_delay, self.off_delay_listener
)
self.async_write_ha_state()
@property
def is_on(self) -> bool | None:
"""Return true if the binary sensor is on."""
return self._on_off_state