core/homeassistant/components/hue/sensor_base.py

203 lines
7.1 KiB
Python

"""Support for the Philips Hue sensors as a platform."""
from datetime import timedelta
import logging
from aiohue import AiohueException, Unauthorized
from aiohue.sensors import TYPE_ZLL_PRESENCE
import async_timeout
from homeassistant.core import callback
from homeassistant.helpers import debounce, entity
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import REQUEST_REFRESH_DELAY
from .helpers import remove_devices
from .hue_event import EVENT_CONFIG_MAP
from .sensor_device import GenericHueDevice
SENSOR_CONFIG_MAP = {}
_LOGGER = logging.getLogger(__name__)
def _device_id(aiohue_sensor):
# Work out the shared device ID, as described below
device_id = aiohue_sensor.uniqueid
if device_id and len(device_id) > 23:
device_id = device_id[:23]
return device_id
class SensorManager:
"""Class that handles registering and updating Hue sensor entities.
Intended to be a singleton.
"""
SCAN_INTERVAL = timedelta(seconds=5)
def __init__(self, bridge):
"""Initialize the sensor manager."""
self.bridge = bridge
self._component_add_entities = {}
self.current = {}
self.current_events = {}
self._enabled_platforms = ("binary_sensor", "sensor")
self.coordinator = DataUpdateCoordinator(
bridge.hass,
_LOGGER,
name="sensor",
update_method=self.async_update_data,
update_interval=self.SCAN_INTERVAL,
request_refresh_debouncer=debounce.Debouncer(
bridge.hass, _LOGGER, cooldown=REQUEST_REFRESH_DELAY, immediate=True
),
)
async def async_update_data(self):
"""Update sensor data."""
try:
with async_timeout.timeout(4):
return await self.bridge.async_request_call(
self.bridge.api.sensors.update
)
except Unauthorized as err:
await self.bridge.handle_unauthorized_error()
raise UpdateFailed("Unauthorized") from err
except AiohueException as err:
raise UpdateFailed(f"Hue error: {err}") from err
async def async_register_component(self, platform, async_add_entities):
"""Register async_add_entities methods for components."""
self._component_add_entities[platform] = async_add_entities
if len(self._component_add_entities) < len(self._enabled_platforms):
_LOGGER.debug("Aborting start with %s, waiting for the rest", platform)
return
# We have all components available, start the updating.
self.bridge.reset_jobs.append(
self.coordinator.async_add_listener(self.async_update_items)
)
await self.coordinator.async_refresh()
@callback
def async_update_items(self):
"""Update sensors from the bridge."""
api = self.bridge.api.sensors
if len(self._component_add_entities) < len(self._enabled_platforms):
return
to_add = {}
primary_sensor_devices = {}
current = self.current
# Physical Hue motion sensors present as three sensors in the API: a
# presence sensor, a temperature sensor, and a light level sensor. Of
# these, only the presence sensor is assigned the user-friendly name
# that the user has given to the device. Each of these sensors is
# linked by a common device_id, which is the first twenty-three
# characters of the unique id (then followed by a hyphen and an ID
# specific to the individual sensor).
#
# To set up neat values, and assign the sensor entities to the same
# device, we first, iterate over all the sensors and find the Hue
# presence sensors, then iterate over all the remaining sensors -
# finding the remaining ones that may or may not be related to the
# presence sensors.
for item_id in api:
if api[item_id].type != TYPE_ZLL_PRESENCE:
continue
primary_sensor_devices[_device_id(api[item_id])] = api[item_id]
# Iterate again now we have all the presence sensors, and add the
# related sensors with nice names where appropriate.
for item_id in api:
uniqueid = api[item_id].uniqueid
if current.get(uniqueid, self.current_events.get(uniqueid)) is not None:
continue
sensor_type = api[item_id].type
# Check for event generator devices
event_config = EVENT_CONFIG_MAP.get(sensor_type)
if event_config is not None:
base_name = api[item_id].name
name = event_config["name_format"].format(base_name)
new_event = event_config["class"](api[item_id], name, self.bridge)
self.bridge.hass.async_create_task(
new_event.async_update_device_registry()
)
self.current_events[uniqueid] = new_event
sensor_config = SENSOR_CONFIG_MAP.get(sensor_type)
if sensor_config is None:
continue
base_name = api[item_id].name
primary_sensor = primary_sensor_devices.get(_device_id(api[item_id]))
if primary_sensor is not None:
base_name = primary_sensor.name
name = sensor_config["name_format"].format(base_name)
current[uniqueid] = sensor_config["class"](
api[item_id], name, self.bridge, primary_sensor=primary_sensor
)
to_add.setdefault(sensor_config["platform"], []).append(current[uniqueid])
self.bridge.hass.async_create_task(
remove_devices(
self.bridge,
[value.uniqueid for value in api.values()],
current,
)
)
for platform in to_add:
self._component_add_entities[platform](to_add[platform])
class GenericHueSensor(GenericHueDevice, entity.Entity):
"""Representation of a Hue sensor."""
should_poll = False
async def _async_update_ha_state(self, *args, **kwargs):
raise NotImplementedError
@property
def available(self):
"""Return if sensor is available."""
return self.bridge.sensor_manager.coordinator.last_update_success and (
self.bridge.allow_unreachable
# remotes like Hue Tap (ZGPSwitchSensor) have no _reachability_
or self.sensor.config.get("reachable", True)
)
async def async_added_to_hass(self):
"""When entity is added to hass."""
self.async_on_remove(
self.bridge.sensor_manager.coordinator.async_add_listener(
self.async_write_ha_state
)
)
async def async_update(self):
"""Update the entity.
Only used by the generic entity update service.
"""
await self.bridge.sensor_manager.coordinator.async_request_refresh()
class GenericZLLSensor(GenericHueSensor):
"""Representation of a Hue-brand, physical sensor."""
@property
def extra_state_attributes(self):
"""Return the device state attributes."""
return {"battery_level": self.sensor.battery}