core/homeassistant/components/velux/binary_sensor.py

64 lines
2.1 KiB
Python

"""Support for rain sensors build into some velux windows."""
from __future__ import annotations
from datetime import timedelta
from pyvlx.exception import PyVLXException
from pyvlx.opening_device import OpeningDevice, Window
from homeassistant.components.binary_sensor import (
BinarySensorDeviceClass,
BinarySensorEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .const import DOMAIN, LOGGER
from .entity import VeluxEntity
PARALLEL_UPDATES = 1
SCAN_INTERVAL = timedelta(minutes=5) # Use standard polling
async def async_setup_entry(
hass: HomeAssistant,
config: ConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up rain sensor(s) for Velux platform."""
module = hass.data[DOMAIN][config.entry_id]
async_add_entities(
VeluxRainSensor(node, config.entry_id)
for node in module.pyvlx.nodes
if isinstance(node, Window) and node.rain_sensor
)
class VeluxRainSensor(VeluxEntity, BinarySensorEntity):
"""Representation of a Velux rain sensor."""
node: Window
_attr_should_poll = True # the rain sensor / opening limitations needs polling unlike the rest of the Velux devices
_attr_entity_registry_enabled_default = False
_attr_device_class = BinarySensorDeviceClass.MOISTURE
def __init__(self, node: OpeningDevice, config_entry_id: str) -> None:
"""Initialize VeluxRainSensor."""
super().__init__(node, config_entry_id)
self._attr_unique_id = f"{self._attr_unique_id}_rain_sensor"
self._attr_name = f"{node.name} Rain sensor"
async def async_update(self) -> None:
"""Fetch the latest state from the device."""
try:
limitation = await self.node.get_limitation()
except PyVLXException:
LOGGER.error("Error fetching limitation data for cover %s", self.name)
return
# Velux windows with rain sensors report an opening limitation of 93 when rain is detected.
self._attr_is_on = limitation.min_value == 93