mirror of https://github.com/home-assistant/core
118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
"""Support for Blink system camera sensors."""
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from __future__ import annotations
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import logging
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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SensorStateClass,
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)
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from homeassistant.const import (
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SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
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EntityCategory,
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UnitOfTemperature,
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)
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .const import DEFAULT_BRAND, DOMAIN, TYPE_TEMPERATURE, TYPE_WIFI_STRENGTH
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from .coordinator import BlinkConfigEntry, BlinkUpdateCoordinator
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_LOGGER = logging.getLogger(__name__)
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SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
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SensorEntityDescription(
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key=TYPE_TEMPERATURE,
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native_unit_of_measurement=UnitOfTemperature.FAHRENHEIT,
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device_class=SensorDeviceClass.TEMPERATURE,
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entity_category=EntityCategory.DIAGNOSTIC,
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state_class=SensorStateClass.MEASUREMENT,
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),
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SensorEntityDescription(
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key=TYPE_WIFI_STRENGTH,
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translation_key="wifi_strength",
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native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
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device_class=SensorDeviceClass.SIGNAL_STRENGTH,
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entity_category=EntityCategory.DIAGNOSTIC,
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state_class=SensorStateClass.MEASUREMENT,
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: BlinkConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Initialize a Blink sensor."""
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coordinator = config_entry.runtime_data
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entities = [
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BlinkSensor(coordinator, camera, description)
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for camera in coordinator.api.cameras
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for description in SENSOR_TYPES
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]
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async_add_entities(entities)
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class BlinkSensor(CoordinatorEntity[BlinkUpdateCoordinator], SensorEntity):
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"""A Blink camera sensor."""
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_attr_has_entity_name = True
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def __init__(
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self,
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coordinator: BlinkUpdateCoordinator,
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camera,
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description: SensorEntityDescription,
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) -> None:
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"""Initialize sensors from Blink camera."""
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super().__init__(coordinator)
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self.entity_description = description
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self._camera = coordinator.api.cameras[camera]
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serial = self._camera.serial
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self._attr_unique_id = f"{serial}-{description.key}"
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self._sensor_key = (
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"temperature_calibrated"
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if description.key == "temperature"
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else description.key
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)
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, serial)},
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serial_number=serial,
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name=f"{DOMAIN} {camera}",
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manufacturer=DEFAULT_BRAND,
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model=self._camera.camera_type,
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)
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self._update_attr()
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@callback
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def _handle_coordinator_update(self) -> None:
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"""Handle coordinator update."""
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self._update_attr()
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super()._handle_coordinator_update()
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@callback
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def _update_attr(self) -> None:
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"""Update attributes for sensor."""
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try:
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self._attr_native_value = self._camera.attributes[self._sensor_key]
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_LOGGER.debug(
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"'%s' %s = %s",
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self._camera.attributes["name"],
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self._sensor_key,
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self._attr_native_value,
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)
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except KeyError:
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self._attr_native_value = None
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_LOGGER.error(
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"%s not a valid camera attribute. Did the API change?", self._sensor_key
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)
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