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sensor.py
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sensor.py
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"""Support for Huawei inverter monitoring API."""
from __future__ import annotations
import logging
from huawei_solar import AsyncHuaweiSolar, register_names as rn, ReadException
from homeassistant.components.sensor import SensorEntity, SensorStateClass
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import HuaweiInverterSlaveDeviceInfos, HuaweiSolarRegisterUpdateCoordinator, get_device_info_unique_id
from .const import (
DATA_DEVICE_INFOS,
DATA_MODBUS_CLIENT,
DATA_UPDATE_COORDINATORS,
DOMAIN,
)
from .entity_descriptions import HuaweiSolarSensorEntityDescription
_LOGGER = logging.getLogger(__name__)
PARALLEL_UPDATES = 1
async def async_setup_entry(
hass: HomeAssistant,
entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Add Huawei Solar entry."""
inverter = hass.data[DOMAIN][entry.entry_id][
DATA_MODBUS_CLIENT
] # type: AsyncHuaweiSolar
slave_device_infos = hass.data[DOMAIN][entry.entry_id][
DATA_DEVICE_INFOS
] # type: list[HuaweiInverterSlaveDeviceInfos]
update_coordinators = hass.data[DOMAIN][entry.entry_id][
DATA_UPDATE_COORDINATORS
] # type: list[HuaweiSolarRegisterUpdateCoordinator]
# Create all sensor-entities that are available via the created update coordinators.
entities_to_add: list[SensorEntity] = []
for update_coordinator in update_coordinators:
for entity_description in update_coordinator.entity_descriptions:
if isinstance(entity_description, HuaweiSolarSensorEntityDescription):
entities_to_add.append(
BatchedHuaweiSolarSensor(
update_coordinator,
entity_description,
update_coordinator.device_info,
)
)
# Add optimizer sensors if optimizers are detected
for slave_device_info in slave_device_infos:
inverter_device_info = slave_device_info["inverter"]
slave_id = slave_device_info["slave_id"]
has_optimizers = False
try:
has_optimizers = (await inverter.get(rn.NB_OPTIMIZERS, slave_id)).value
except ReadException: # some optimizers throw an IllegalAddress exception if this doesn't exist?
pass
if has_optimizers:
entities_to_add.extend(
[
HuaweiSolarSensor(inverter, slave_id, descr, inverter_device_info)
for descr in OPTIMIZER_SENSOR_DESCRIPTIONS
]
)
async_add_entities(entities_to_add, True)
OPTIMIZER_SENSOR_DESCRIPTIONS = [
HuaweiSolarSensorEntityDescription(
key=rn.NB_ONLINE_OPTIMIZERS,
name="Optimizers Online",
icon="mdi:solar-panel",
state_class=SensorStateClass.MEASUREMENT,
),
]
class HuaweiSolarSensor(SensorEntity):
"""Huawei Solar Sensor."""
entity_description: HuaweiSolarSensorEntityDescription
def __init__(
self,
inverter: AsyncHuaweiSolar,
slave: int | None,
description: HuaweiSolarSensorEntityDescription,
device_info,
):
"""Huawei Solar Sensor Entity constructor."""
self._inverter = inverter
self._slave = slave
self.entity_description = description
self._attr_device_info = device_info
self._attr_unique_id = f"{get_device_info_unique_id(device_info)}_{description.key}"
self._attr_native_value = None
async def async_update(self):
"""Get the latest data from the Huawei solar inverter."""
self._attr_native_value = (
await self._inverter.get(self.entity_description.key, self._slave)
).value
class BatchedHuaweiSolarSensor(CoordinatorEntity, SensorEntity):
"""Huawei Solar Sensor which receives its data via an DataUpdateCoordinator."""
entity_description: HuaweiSolarSensorEntityDescription
def __init__(
self,
coordinator: HuaweiSolarRegisterUpdateCoordinator,
description: HuaweiSolarSensorEntityDescription,
device_info,
):
"""Batched Huawei Solar Sensor Entity constructor."""
super().__init__(coordinator)
self.coordinator = coordinator
self.entity_description = description
self._attr_device_info = device_info
self._attr_unique_id = f"{get_device_info_unique_id(device_info)}_{description.key}"
@property
def native_value(self):
"""Native sensor value."""
return self.coordinator.data[self.entity_description.key].value