mirror of
https://github.com/home-assistant/core.git
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Matthias Alphart
86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
"""Support for Fronius binary sensors."""
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from dataclasses import dataclass
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from typing import TYPE_CHECKING, override
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from homeassistant.components.binary_sensor import (
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BinarySensorEntity,
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BinarySensorEntityDescription,
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)
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from homeassistant.const import EntityCategory, Platform
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
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from .entity import FroniusEntity, FroniusEntityDescription
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if TYPE_CHECKING:
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from . import FroniusConfigEntry
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from .coordinator import FroniusPowerFlowUpdateCoordinator
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PARALLEL_UPDATES = 0
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@dataclass(frozen=True)
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class FroniusBinarySensorEntityDescription(
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FroniusEntityDescription, BinarySensorEntityDescription
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):
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"""Describes Fronius binary sensor entity."""
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POWER_FLOW_BINARY_SENSOR_DESCRIPTIONS: list[FroniusBinarySensorEntityDescription] = [
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FroniusBinarySensorEntityDescription(
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key="backup_mode",
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),
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FroniusBinarySensorEntityDescription(
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key="battery_standby",
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entity_category=EntityCategory.DIAGNOSTIC,
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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: FroniusConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up Fronius binary sensor entities based on a config entry."""
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solar_net = config_entry.runtime_data
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if solar_net.power_flow_coordinator is not None:
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solar_net.power_flow_coordinator.add_entities_for_seen_keys(
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async_add_entities, Platform.BINARY_SENSOR, PowerFlowBinarySensor
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)
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class PowerFlowBinarySensor(FroniusEntity, BinarySensorEntity):
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"""Defines a Fronius power flow binary sensor entity."""
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entity_description: FroniusBinarySensorEntityDescription
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def __init__(
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self,
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coordinator: FroniusPowerFlowUpdateCoordinator,
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description: FroniusBinarySensorEntityDescription,
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solar_net_id: str,
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) -> None:
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"""Set up an individual Fronius power flow binary sensor."""
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super().__init__(coordinator, description, solar_net_id)
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self._attr_is_on = self._device_data()[self.response_key]["value"]
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# SolarNet device is already created in FroniusSolarNet._create_solar_net_device
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self._attr_device_info = coordinator.solar_net.system_device_info
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self._attr_unique_id = (
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f"{coordinator.solar_net.solar_net_device_id}-power_flow-{description.key}"
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)
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@callback
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@override
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def _handle_coordinator_update(self) -> None:
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"""Handle updated data from the coordinator."""
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try:
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self._attr_is_on = self._device_data()[self.response_key]["value"]
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except KeyError:
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# KeyError: raised when omitted in response, e.g. when backup power
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# is deactivated after the entity was created
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self._attr_is_on = None
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self.async_write_ha_state()
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