Rename type

Signed-off-by: Daniel Hjelseth Høyer <github@dahoiv.net>

CODEOWNERS

@@ -715,6 +715,8 @@ build.json @home-assistant/supervisor
 /tests/components/homematic/ @pvizeli
 /homeassistant/components/homematicip_cloud/ @hahn-th
 /tests/components/homematicip_cloud/ @hahn-th
+/homeassistant/components/homevolt/ @danielhiversen
+/tests/components/homevolt/ @danielhiversen
 /homeassistant/components/homewizard/ @DCSBL
 /tests/components/homewizard/ @DCSBL
 /homeassistant/components/honeywell/ @rdfurman @mkmer

homeassistant/components/homevolt/__init__.py

@@ -0,0 +1,41 @@
+"""The Homevolt integration."""
+
+from __future__ import annotations
+
+from homevolt import Homevolt
+
+from homeassistant.const import CONF_HOST, CONF_PASSWORD, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.aiohttp_client import async_get_clientsession
+
+from .coordinator import HomevoltConfigEntry, HomevoltDataUpdateCoordinator
+
+PLATFORMS: list[Platform] = [Platform.SENSOR]
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: HomevoltConfigEntry) -> bool:
+    """Set up Homevolt from a config entry."""
+    host: str = entry.data[CONF_HOST]
+    password: str | None = entry.data.get(CONF_PASSWORD)
+
+    websession = async_get_clientsession(hass)
+    client = Homevolt(host, password, websession=websession)
+
+    coordinator = HomevoltDataUpdateCoordinator(hass, entry, client)
+    await coordinator.async_config_entry_first_refresh()
+
+    entry.runtime_data = coordinator
+
+    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+
+    return True
+
+
+async def async_unload_entry(hass: HomeAssistant, entry: HomevoltConfigEntry) -> bool:
+    """Unload a config entry."""
+    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
+
+    if unload_ok:
+        await entry.runtime_data.client.close_connection()
+
+    return unload_ok

homeassistant/components/homevolt/config_flow.py

@@ -0,0 +1,119 @@
+"""Config flow for the Homevolt integration."""
+
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+from homevolt import Homevolt, HomevoltAuthenticationError, HomevoltConnectionError
+import voluptuous as vol
+
+from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
+from homeassistant.const import CONF_HOST, CONF_PASSWORD
+from homeassistant.helpers.aiohttp_client import async_get_clientsession
+
+from .const import DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+STEP_USER_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_HOST): str,
+    }
+)
+
+STEP_CREDENTIALS_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_PASSWORD): str,
+    }
+)
+
+
+class HomevoltConfigFlow(ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for Homevolt."""
+
+    VERSION = 1
+    MINOR_VERSION = 1
+
+    def __init__(self) -> None:
+        """Initialize the config flow."""
+        self._host: str | None = None
+
+    async def check_status(self, client: Homevolt) -> dict[str, str]:
+        """Check connection status and return errors if any."""
+        errors: dict[str, str] = {}
+        try:
+            await client.update_info()
+        except HomevoltAuthenticationError:
+            errors["base"] = "invalid_auth"
+        except HomevoltConnectionError:
+            errors["base"] = "cannot_connect"
+        except Exception:
+            _LOGGER.exception("Error occurred while connecting to the Homevolt battery")
+            errors["base"] = "unknown"
+        return errors
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle the initial step."""
+        errors: dict[str, str] = {}
+        if user_input is not None:
+            host = user_input[CONF_HOST]
+            password = None
+            websession = async_get_clientsession(self.hass)
+            client = Homevolt(host, password, websession=websession)
+            errors = await self.check_status(client)
+            if errors.get("base") == "invalid_auth":
+                self._host = host
+                return await self.async_step_credentials()
+
+            if not errors:
+                device_id = client.unique_id
+                await self.async_set_unique_id(device_id)
+                self._abort_if_unique_id_configured()
+
+                return self.async_create_entry(
+                    title="Homevolt",
+                    data={
+                        CONF_HOST: host,
+                        CONF_PASSWORD: None,
+                    },
+                )
+
+        return self.async_show_form(
+            step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
+        )
+
+    async def async_step_credentials(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle the credentials step."""
+        errors: dict[str, str] = {}
+        assert self._host is not None
+
+        if user_input is not None:
+            password = user_input[CONF_PASSWORD]
+            websession = async_get_clientsession(self.hass)
+            client = Homevolt(self._host, password, websession=websession)
+            errors = await self.check_status(client)
+
+            if not errors:
+                device_id = client.unique_id
+                await self.async_set_unique_id(device_id)
+                self._abort_if_unique_id_configured()
+
+                return self.async_create_entry(
+                    title="Homevolt",
+                    data={
+                        CONF_HOST: self._host,
+                        CONF_PASSWORD: password,
+                    },
+                )
+
+        return self.async_show_form(
+            step_id="credentials",
+            data_schema=STEP_CREDENTIALS_DATA_SCHEMA,
+            errors=errors,
+            description_placeholders={"host": self._host},
+        )

homeassistant/components/homevolt/const.py

@@ -0,0 +1,9 @@
+"""Constants for the Homevolt integration."""
+
+from __future__ import annotations
+
+from datetime import timedelta
+
+DOMAIN = "homevolt"
+MANUFACTURER = "Homevolt"
+SCAN_INTERVAL = timedelta(seconds=15)

homeassistant/components/homevolt/coordinator.py

@@ -0,0 +1,56 @@
+"""Data update coordinator for Homevolt integration."""
+
+from __future__ import annotations
+
+import logging
+
+from homevolt import (
+    Homevolt,
+    HomevoltAuthenticationError,
+    HomevoltConnectionError,
+    HomevoltError,
+)
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryAuthFailed
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+
+from .const import DOMAIN, SCAN_INTERVAL
+
+type HomevoltConfigEntry = ConfigEntry[HomevoltDataUpdateCoordinator]
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class HomevoltDataUpdateCoordinator(DataUpdateCoordinator[Homevolt]):
+    """Class to manage fetching Homevolt data."""
+
+    config_entry: HomevoltConfigEntry
+
+    def __init__(
+        self,
+        hass: HomeAssistant,
+        entry: HomevoltConfigEntry,
+        client: Homevolt,
+    ) -> None:
+        """Initialize the Homevolt coordinator."""
+        self.client = client
+        super().__init__(
+            hass,
+            _LOGGER,
+            name=DOMAIN,
+            update_interval=SCAN_INTERVAL,
+            config_entry=entry,
+        )
+
+    async def _async_update_data(self) -> Homevolt:
+        """Fetch data from the Homevolt API."""
+        try:
+            await self.client.update_info()
+        except HomevoltAuthenticationError as err:
+            raise ConfigEntryAuthFailed from err
+        except (HomevoltConnectionError, HomevoltError) as err:
+            raise UpdateFailed(f"Error communicating with device: {err}") from err
+
+        return self.client

homeassistant/components/homevolt/manifest.json

@@ -0,0 +1,11 @@
+{
+  "domain": "homevolt",
+  "name": "Homevolt",
+  "codeowners": ["@danielhiversen"],
+  "config_flow": true,
+  "documentation": "https://www.home-assistant.io/integrations/homevolt",
+  "integration_type": "device",
+  "iot_class": "local_polling",
+  "quality_scale": "bronze",
+  "requirements": ["homevolt==0.4.2"]
+}

homeassistant/components/homevolt/quality_scale.yaml

@@ -0,0 +1,70 @@
+rules:
+  # Bronze
+  action-setup:
+    status: exempt
+    comment: Integration does not register custom actions.
+  appropriate-polling: done
+  brands: done
+  common-modules: done
+  config-flow-test-coverage: done
+  config-flow: done
+  dependency-transparency: done
+  docs-actions:
+    status: exempt
+    comment: Integration does not register custom actions.
+  docs-high-level-description: done
+  docs-installation-instructions: done
+  docs-removal-instructions: done
+  entity-event-setup:
+    status: exempt
+    comment: Local_polling without events
+  entity-unique-id: done
+  has-entity-name: done
+  runtime-data: done
+  test-before-configure: done
+  test-before-setup: done
+  unique-config-entry: done
+
+  # Silver
+  action-exceptions:
+    status: exempt
+    comment: Integration does not register custom actions.
+  config-entry-unloading: done
+  docs-configuration-parameters:
+    status: exempt
+    comment: Integration does not have an options flow.
+  docs-installation-parameters: todo
+  entity-unavailable: done
+  integration-owner: done
+  log-when-unavailable: todo
+  parallel-updates: done
+  reauthentication-flow: todo
+  test-coverage: todo
+
+  # Gold
+  devices: done
+  diagnostics: todo
+  discovery-update-info: todo
+  discovery: todo
+  docs-data-update: todo
+  docs-examples: todo
+  docs-known-limitations: todo
+  docs-supported-devices: todo
+  docs-supported-functions: todo
+  docs-troubleshooting: todo
+  docs-use-cases: todo
+  dynamic-devices: todo
+  entity-category: todo
+  entity-device-class: done
+  entity-disabled-by-default: todo
+  entity-translations: done
+  exception-translations: todo
+  icon-translations: todo
+  reconfiguration-flow: todo
+  repair-issues: todo
+  stale-devices: todo
+
+  # Platinum
+  async-dependency: done
+  inject-websession: done
+  strict-typing: todo

homeassistant/components/homevolt/sensor.py

@@ -0,0 +1,367 @@
+"""Support for Homevolt sensors."""
+
+from __future__ import annotations
+
+import logging
+
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorEntityDescription,
+    SensorStateClass,
+)
+from homeassistant.const import (
+    PERCENTAGE,
+    SIGNAL_STRENGTH_DECIBELS,
+    EntityCategory,
+    UnitOfElectricCurrent,
+    UnitOfElectricPotential,
+    UnitOfEnergy,
+    UnitOfFrequency,
+    UnitOfPower,
+    UnitOfTemperature,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import DeviceInfo
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+from homeassistant.helpers.typing import StateType
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from .const import DOMAIN, MANUFACTURER
+from .coordinator import HomevoltConfigEntry, HomevoltDataUpdateCoordinator
+
+PARALLEL_UPDATES = 0  # Coordinator-based updates
+
+_LOGGER = logging.getLogger(__name__)
+
+
+SENSORS: tuple[SensorEntityDescription, ...] = (
+    SensorEntityDescription(
+        key="available_charging_energy",
+        translation_key="available_charging_energy",
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL,
+        native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
+    ),
+    SensorEntityDescription(
+        key="available_charging_power",
+        translation_key="available_charging_power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+    ),
+    SensorEntityDescription(
+        key="available_discharge_energy",
+        translation_key="available_discharge_energy",
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL,
+        native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
+    ),
+    SensorEntityDescription(
+        key="available_discharge_power",
+        translation_key="available_discharge_power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+    ),
+    SensorEntityDescription(
+        key="rssi",
+        translation_key="rssi",
+        device_class=SensorDeviceClass.SIGNAL_STRENGTH,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="average_rssi",
+        translation_key="average_rssi",
+        device_class=SensorDeviceClass.SIGNAL_STRENGTH,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="charge_cycles",
+        state_class=SensorStateClass.TOTAL_INCREASING,
+        native_unit_of_measurement="cycles",
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="energy_exported",
+        translation_key="energy_exported",
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL_INCREASING,
+        native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
+    ),
+    SensorEntityDescription(
+        key="energy_imported",
+        translation_key="energy_imported",
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL_INCREASING,
+        native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
+    ),
+    SensorEntityDescription(
+        key="exported_energy",
+        translation_key="exported_energy",
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL,
+        native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
+    ),
+    SensorEntityDescription(
+        key="frequency",
+        translation_key="frequency",
+        device_class=SensorDeviceClass.FREQUENCY,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfFrequency.HERTZ,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="imported_energy",
+        translation_key="imported_energy",
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL,
+        native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
+    ),
+    SensorEntityDescription(
+        key="l1_current",
+        translation_key="l1_current",
+        device_class=SensorDeviceClass.CURRENT,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
+    ),
+    SensorEntityDescription(
+        key="l1_l2_voltage",
+        translation_key="l1_l2_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+    ),
+    SensorEntityDescription(
+        key="l1_power",
+        translation_key="l1_power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="l1_voltage",
+        translation_key="l1_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="l2_current",
+        translation_key="l2_current",
+        device_class=SensorDeviceClass.CURRENT,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
+    ),
+    SensorEntityDescription(
+        key="l2_l3_voltage",
+        translation_key="l2_l3_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+    ),
+    SensorEntityDescription(
+        key="l2_power",
+        translation_key="l2_power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="l2_voltage",
+        translation_key="l2_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="l3_current",
+        translation_key="l3_current",
+        device_class=SensorDeviceClass.CURRENT,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
+    ),
+    SensorEntityDescription(
+        key="l3_l1_voltage",
+        translation_key="l3_l1_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+    ),
+    SensorEntityDescription(
+        key="l3_power",
+        translation_key="l3_power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="l3_voltage",
+        translation_key="l3_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_registry_enabled_default=False,
+    ),
+    SensorEntityDescription(
+        key="schedule_id",
+        translation_key="schedule_id",
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="schedule_max_discharge",
+        translation_key="schedule_max_discharge",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="schedule_max_power",
+        translation_key="schedule_max_power",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="schedule_power_setpoint",
+        translation_key="schedule_power_setpoint",
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfPower.WATT,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="schedule_type",
+        translation_key="schedule_type",
+        device_class=SensorDeviceClass.ENUM,
+        options=[
+            "idle",
+            "inverter_charge",
+            "inverter_discharge",
+            "grid_charge",
+            "grid_discharge",
+            "grid_charge_discharge",
+            "frequency_reserve",
+            "solar_charge",
+            "solar_charge_discharge",
+            "full_solar_export",
+        ],
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="state_of_charge",
+        translation_key="state_of_charge",
+        device_class=SensorDeviceClass.BATTERY,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=PERCENTAGE,
+    ),
+    SensorEntityDescription(
+        key="system_temperature",
+        translation_key="system_temperature",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="tmax",
+        translation_key="tmax",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    SensorEntityDescription(
+        key="tmin",
+        translation_key="tmin",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: HomevoltConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the Homevolt sensor."""
+    coordinator = entry.runtime_data
+    entities: list[HomevoltSensor] = []
+    sensors_by_key = {sensor.key: sensor for sensor in SENSORS}
+    for sensor_key, sensor in coordinator.data.sensors.items():
+        if (description := sensors_by_key.get(sensor.type)) is None:
+            _LOGGER.warning("Unsupported sensor '%s' found during setup", sensor)
+            continue
+        entities.append(
+            HomevoltSensor(
+                description,
+                coordinator,
+                sensor_key,
+            )
+        )
+    async_add_entities(entities)
+
+
+class HomevoltSensor(CoordinatorEntity[HomevoltDataUpdateCoordinator], SensorEntity):
+    """Representation of a Homevolt sensor."""
+
+    entity_description: SensorEntityDescription
+    _attr_has_entity_name = True
+
+    def __init__(
+        self,
+        description: SensorEntityDescription,
+        coordinator: HomevoltDataUpdateCoordinator,
+        sensor_key: str,
+    ) -> None:
+        """Initialize the sensor."""
+        super().__init__(coordinator)
+        self.entity_description = description
+        unique_id = coordinator.data.unique_id
+        self._attr_unique_id = f"{unique_id}_{sensor_key}"
+        sensor_data = coordinator.data.sensors[sensor_key]
+        self._sensor_key = sensor_key
+
+        device_metadata = coordinator.data.device_metadata.get(
+            sensor_data.device_identifier
+        )
+        self._attr_device_info = DeviceInfo(
+            identifiers={(DOMAIN, f"{unique_id}_{sensor_data.device_identifier}")},
+            configuration_url=coordinator.client.base_url,
+            manufacturer=MANUFACTURER,
+            model=device_metadata.model if device_metadata else None,
+            name=device_metadata.name if device_metadata else None,
+        )
+
+    @property
+    def available(self) -> bool:
+        """Return if entity is available."""
+        return super().available and self._sensor_key in self.coordinator.data.sensors
+
+    @property
+    def native_value(self) -> StateType:
+        """Return the native value of the sensor."""
+        return self.coordinator.data.sensors[self._sensor_key].value

homeassistant/components/homevolt/strings.json

@@ -0,0 +1,153 @@
+{
+  "config": {
+    "abort": {
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
+    },
+    "error": {
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
+      "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
+      "unknown": "[%key:common::config_flow::error::unknown%]"
+    },
+    "step": {
+      "credentials": {
+        "data": {
+          "password": "[%key:common::config_flow::data::password%]"
+        },
+        "data_description": {
+          "password": "The local password configured for your Homevolt battery."
+        },
+        "description": "This device requires a password to connect. Please enter the password for {host}."
+      },
+      "user": {
+        "data": {
+          "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The IP address or hostname of your Homevolt battery on your local network."
+        },
+        "description": "Connect Home Assistant to your Homevolt battery over the local network."
+      }
+    }
+  },
+  "entity": {
+    "sensor": {
+      "available_charging_energy": {
+        "name": "Available charging energy"
+      },
+      "available_charging_power": {
+        "name": "Available charging power"
+      },
+      "available_discharge_energy": {
+        "name": "Available discharge energy"
+      },
+      "available_discharge_power": {
+        "name": "Available discharge power"
+      },
+      "average_rssi": {
+        "name": "Average RSSI"
+      },
+      "battery_state_of_charge": {
+        "name": "Battery state of charge"
+      },
+      "charge_cycles": {
+        "unit_of_measurement": "cycles"
+      },
+      "energy_exported": {
+        "name": "Energy exported"
+      },
+      "energy_imported": {
+        "name": "Energy imported"
+      },
+      "exported_energy": {
+        "name": "Exported energy"
+      },
+      "frequency": {
+        "name": "Frequency"
+      },
+      "imported_energy": {
+        "name": "Imported energy"
+      },
+      "l1_current": {
+        "name": "L1 current"
+      },
+      "l1_l2_voltage": {
+        "name": "L1-L2 voltage"
+      },
+      "l1_power": {
+        "name": "L1 power"
+      },
+      "l1_voltage": {
+        "name": "L1 voltage"
+      },
+      "l2_current": {
+        "name": "L2 current"
+      },
+      "l2_l3_voltage": {
+        "name": "L2-L3 voltage"
+      },
+      "l2_power": {
+        "name": "L2 power"
+      },
+      "l2_voltage": {
+        "name": "L2 voltage"
+      },
+      "l3_current": {
+        "name": "L3 current"
+      },
+      "l3_l1_voltage": {
+        "name": "L3-L1 voltage"
+      },
+      "l3_power": {
+        "name": "L3 power"
+      },
+      "l3_voltage": {
+        "name": "L3 voltage"
+      },
+      "power": {
+        "name": "Power"
+      },
+      "rssi": {
+        "name": "RSSI"
+      },
+      "schedule_id": {
+        "name": "Schedule ID"
+      },
+      "schedule_max_discharge": {
+        "name": "Schedule max discharge"
+      },
+      "schedule_max_power": {
+        "name": "Schedule max power"
+      },
+      "schedule_power_setpoint": {
+        "name": "Schedule power setpoint"
+      },
+      "schedule_type": {
+        "name": "Schedule type",
+        "state": {
+          "frequency_reserve": "Frequency reserve",
+          "full_solar_export": "Full solar export",
+          "grid_charge": "Grid charge",
+          "grid_charge_discharge": "Grid charge/discharge",
+          "grid_discharge": "Grid discharge",
+          "idle": "Idle",
+          "inverter_charge": "Inverter charge",
+          "inverter_discharge": "Inverter discharge",
+          "solar_charge": "Solar charge",
+          "solar_charge_discharge": "Solar charge/discharge"
+        }
+      },
+      "state_of_charge": {
+        "name": "State of charge"
+      },
+      "system_temperature": {
+        "name": "System temperature"
+      },
+      "tmax": {
+        "name": "Maximum temperature"
+      },
+      "tmin": {
+        "name": "Minimum temperature"
+      }
+    }
+  }
+}

homeassistant/generated/config_flows.py

@@ -296,6 +296,7 @@ FLOWS = {
         "homekit",
         "homekit_controller",
         "homematicip_cloud",
+        "homevolt",
         "homewizard",
         "homeworks",
         "honeywell",

homeassistant/generated/integrations.json

@@ -2860,6 +2860,12 @@
         "zwave"
       ]
     },
+    "homevolt": {
+      "name": "Homevolt",
+      "integration_type": "device",
+      "config_flow": true,
+      "iot_class": "local_polling"
+    },
     "homewizard": {
       "name": "HomeWizard",
       "integration_type": "device",

requirements_all.txt

@@ -1230,6 +1230,9 @@ homelink-integration-api==0.0.1
 # homeassistant.components.homematicip_cloud
 homematicip==2.5.0
 
+# homeassistant.components.homevolt
+homevolt==0.4.2
+
 # homeassistant.components.horizon
 horimote==0.4.1
 

requirements_test_all.txt

@@ -1088,6 +1088,9 @@ homelink-integration-api==0.0.1
 # homeassistant.components.homematicip_cloud
 homematicip==2.5.0
 
+# homeassistant.components.homevolt
+homevolt==0.4.2
+
 # homeassistant.components.remember_the_milk
 httplib2==0.20.4
 

tests/components/homevolt/__init__.py

@@ -0,0 +1 @@
+"""Tests for the Homevolt integration."""

tests/components/homevolt/conftest.py

@@ -0,0 +1,109 @@
+"""Common fixtures for the Homevolt tests."""
+
+from collections.abc import Generator
+import json
+from unittest.mock import AsyncMock, MagicMock, patch
+
+from homevolt import DeviceMetadata, Sensor
+import pytest
+
+from homeassistant.components.homevolt.const import DOMAIN
+from homeassistant.const import CONF_HOST, CONF_PASSWORD, Platform
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry, load_fixture
+
+DEVICE_IDENTIFIER = "ems_40580137858664"
+
+
+@pytest.fixture
+def mock_setup_entry() -> Generator[AsyncMock]:
+    """Override async_setup_entry."""
+    with patch(
+        "homeassistant.components.homevolt.async_setup_entry", return_value=True
+    ) as mock_setup_entry:
+        yield mock_setup_entry
+
+
+@pytest.fixture
+def mock_config_entry() -> MockConfigEntry:
+    """Return the default mocked config entry."""
+    return MockConfigEntry(
+        title="Homevolt",
+        domain=DOMAIN,
+        data={
+            CONF_HOST: "127.0.0.1",
+            CONF_PASSWORD: "test-password",
+        },
+        unique_id="40580137858664",
+    )
+
+
+@pytest.fixture
+def mock_homevolt_client() -> Generator[MagicMock]:
+    """Return a mocked Homevolt client."""
+    with (
+        patch(
+            "homeassistant.components.homevolt.Homevolt",
+            autospec=True,
+        ) as homevolt_mock,
+        patch(
+            "homeassistant.components.homevolt.config_flow.Homevolt",
+            new=homevolt_mock,
+        ),
+    ):
+        client = homevolt_mock.return_value
+        client.base_url = "http://127.0.0.1"
+        client.update_info = AsyncMock()
+        client.close_connection = AsyncMock()
+
+        client.unique_id = "40580137858664"
+
+        # Load sensor data from fixture and convert to Sensor objects
+        sensors_data = json.loads(load_fixture("sensors.json", DOMAIN))
+        client.sensors = {
+            key: Sensor(
+                value=value,
+                type=key,
+                device_identifier=DEVICE_IDENTIFIER,
+            )
+            for key, value in sensors_data.items()
+        }
+
+        # Load device metadata from fixture and convert to DeviceMetadata objects
+        metadata_data = json.loads(load_fixture("device_metadata.json", DOMAIN))
+        client.device_metadata = {
+            key: DeviceMetadata(
+                name=metadata["name"],
+                model=metadata["model"],
+            )
+            for key, metadata in metadata_data.items()
+        }
+
+        # Load schedule data from fixture
+        client.current_schedule = json.loads(load_fixture("schedule.json", DOMAIN))
+
+        yield client
+
+
+@pytest.fixture
+def platforms() -> list[Platform]:
+    """Return the platforms to test."""
+    return [Platform.SENSOR]
+
+
+@pytest.fixture
+async def init_integration(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_homevolt_client: MagicMock,
+    platforms: list[Platform],
+) -> MockConfigEntry:
+    """Set up the Homevolt integration for testing."""
+    mock_config_entry.add_to_hass(hass)
+
+    with patch("homeassistant.components.homevolt.PLATFORMS", platforms):
+        await hass.config_entries.async_setup(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    return mock_config_entry

tests/components/homevolt/fixtures/device_metadata.json

@@ -0,0 +1,6 @@
+{
+  "ems_40580137858664": {
+    "name": "Homevolt EMS",
+    "model": "EMS-1000"
+  }
+}

tests/components/homevolt/fixtures/schedule.json

@@ -0,0 +1,15 @@
+{
+  "local_mode": true,
+  "schedule": [
+    {
+      "type": 1,
+      "params": {
+        "setpoint": 0,
+        "max_charge": 6028,
+        "max_discharge": 6028,
+        "min_soc": 10,
+        "max_soc": 95
+      }
+    }
+  ]
+}

tests/components/homevolt/fixtures/sensors.json

@@ -0,0 +1,37 @@
+{
+  "power": -17,
+  "energy_imported": 308147,
+  "energy_exported": 272392,
+  "imported_energy": 106430,
+  "exported_energy": 143130,
+  "battery_state_of_charge": 91.7,
+  "state_of_charge": 91.7,
+  "charge_cycles": 21,
+  "l1_voltage": 234.0,
+  "l2_voltage": 235.1,
+  "l3_voltage": 232.6,
+  "l1_l2_voltage": 406.7,
+  "l2_l3_voltage": 405.1,
+  "l3_l1_voltage": 403.7,
+  "l1_current": 0.0,
+  "l2_current": 0.0,
+  "l3_current": 0.0,
+  "l1_power": 0.0,
+  "l2_power": 0.0,
+  "l3_power": 0.0,
+  "system_temperature": 9.3,
+  "tmin": 9.7,
+  "tmax": 18.8,
+  "frequency": 50.043,
+  "available_charging_power": 6028,
+  "available_discharge_power": 6028,
+  "available_charging_energy": 998,
+  "available_discharge_energy": 11216,
+  "schedule_id": "schedule_1",
+  "schedule_type": "idle",
+  "schedule_power_setpoint": 0,
+  "schedule_max_power": 6028,
+  "schedule_max_discharge": 6028,
+  "rssi": -84.0,
+  "average_rssi": -84.13
+}

tests/components/homevolt/test_config_flow.py

@@ -0,0 +1,225 @@
+"""Tests for the Homevolt config flow."""
+
+from __future__ import annotations
+
+from unittest.mock import AsyncMock, MagicMock
+
+from homevolt import HomevoltAuthenticationError, HomevoltConnectionError
+import pytest
+
+from homeassistant.components.homevolt.const import DOMAIN
+from homeassistant.config_entries import SOURCE_USER
+from homeassistant.const import CONF_HOST, CONF_PASSWORD
+from homeassistant.core import HomeAssistant
+from homeassistant.data_entry_flow import FlowResultType
+
+from tests.common import MockConfigEntry
+
+
+async def test_full_flow_success(
+    hass: HomeAssistant, mock_setup_entry: AsyncMock, mock_homevolt_client: MagicMock
+) -> None:
+    """Test a complete successful user flow."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {}
+
+    user_input = {
+        CONF_HOST: "192.168.1.100",
+    }
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input
+    )
+
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+    assert result["title"] == "Homevolt"
+    assert result["data"] == {CONF_HOST: "192.168.1.100", CONF_PASSWORD: None}
+    assert result["result"].unique_id == "40580137858664"
+    assert len(mock_setup_entry.mock_calls) == 1
+
+
+async def test_flow_auth_error_then_password_success(
+    hass: HomeAssistant, mock_setup_entry: AsyncMock, mock_homevolt_client: MagicMock
+) -> None:
+    """Test flow when authentication is required."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {}
+
+    user_input = {
+        CONF_HOST: "192.168.1.100",
+    }
+
+    mock_homevolt_client.update_info.side_effect = HomevoltAuthenticationError
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "credentials"
+    assert result["errors"] == {}
+
+    # Now provide password - should succeed
+    mock_homevolt_client.update_info.side_effect = None
+
+    password_input = {
+        CONF_PASSWORD: "test-password",
+    }
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], password_input
+    )
+
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+    assert result["title"] == "Homevolt"
+    assert result["data"] == {
+        CONF_HOST: "192.168.1.100",
+        CONF_PASSWORD: "test-password",
+    }
+    assert result["result"].unique_id == "40580137858664"
+    assert len(mock_setup_entry.mock_calls) == 1
+
+
+@pytest.mark.parametrize(
+    ("exception", "expected_error"),
+    [
+        (HomevoltConnectionError, "cannot_connect"),
+        (Exception, "unknown"),
+    ],
+)
+async def test_step_user_errors(
+    hass: HomeAssistant,
+    mock_setup_entry: AsyncMock,
+    mock_homevolt_client: MagicMock,
+    exception: Exception,
+    expected_error: str,
+) -> None:
+    """Test error cases for the user step with recovery."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {}
+
+    user_input = {
+        CONF_HOST: "192.168.1.100",
+    }
+
+    mock_homevolt_client.update_info.side_effect = exception
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {"base": expected_error}
+
+    mock_homevolt_client.update_info.side_effect = None
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input,
+    )
+
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+    assert result["title"] == "Homevolt"
+    assert result["data"] == {CONF_HOST: "192.168.1.100", CONF_PASSWORD: None}
+    assert result["result"].unique_id == "40580137858664"
+    assert len(mock_setup_entry.mock_calls) == 1
+
+
+async def test_duplicate_entry(
+    hass: HomeAssistant,
+    mock_setup_entry: AsyncMock,
+    mock_homevolt_client: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test that a duplicate device_id aborts the flow."""
+    mock_config_entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {}
+
+    user_input = {
+        CONF_HOST: "192.168.1.200",
+    }
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input,
+    )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "already_configured"
+
+
+async def test_credentials_step_invalid_password(
+    hass: HomeAssistant, mock_setup_entry: AsyncMock, mock_homevolt_client: MagicMock
+) -> None:
+    """Test invalid password in credentials step shows error."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    user_input = {
+        CONF_HOST: "192.168.1.100",
+    }
+
+    mock_homevolt_client.update_info.side_effect = HomevoltAuthenticationError
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], user_input
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "credentials"
+
+    # Provide wrong password - should show error
+    password_input = {
+        CONF_PASSWORD: "wrong-password",
+    }
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], password_input
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "credentials"
+    assert result["errors"] == {"base": "invalid_auth"}
+
+    mock_homevolt_client.update_info.side_effect = None
+
+    password_input = {
+        CONF_PASSWORD: "correct-password",
+    }
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"], password_input
+    )
+
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+    assert result["title"] == "Homevolt"
+    assert result["data"] == {
+        CONF_HOST: "192.168.1.100",
+        CONF_PASSWORD: "correct-password",
+    }
+    assert result["result"].unique_id == "40580137858664"
+    assert len(mock_setup_entry.mock_calls) == 1

tests/components/homevolt/test_init.py

@@ -0,0 +1,60 @@
+"""Test the Homevolt init module."""
+
+from __future__ import annotations
+
+from unittest.mock import MagicMock
+
+from homevolt import HomevoltAuthenticationError, HomevoltConnectionError
+import pytest
+
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+
+async def test_load_unload_entry(
+    hass: HomeAssistant,
+    mock_homevolt_client: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test load and unload entry."""
+    mock_config_entry.add_to_hass(hass)
+
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+
+    assert mock_config_entry.state is ConfigEntryState.LOADED
+
+    await hass.config_entries.async_unload(mock_config_entry.entry_id)
+
+    assert mock_config_entry.state is ConfigEntryState.NOT_LOADED
+    mock_homevolt_client.close_connection.assert_called_once()
+
+
+@pytest.mark.parametrize(
+    ("side_effect", "expected_state"),
+    [
+        (
+            HomevoltConnectionError("Connection failed"),
+            ConfigEntryState.SETUP_RETRY,
+        ),
+        (
+            HomevoltAuthenticationError("Authentication failed"),
+            ConfigEntryState.SETUP_ERROR,
+        ),
+    ],
+)
+async def test_config_entry_setup_failure(
+    hass: HomeAssistant,
+    mock_homevolt_client: MagicMock,
+    mock_config_entry: MockConfigEntry,
+    side_effect: Exception,
+    expected_state: ConfigEntryState,
+) -> None:
+    """Test the Homevolt configuration entry setup failures."""
+    mock_homevolt_client.update_info.side_effect = side_effect
+    mock_config_entry.add_to_hass(hass)
+
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+
+    assert mock_config_entry.state is expected_state

tests/components/homevolt/test_sensor.py

@@ -0,0 +1,62 @@
+"""Tests for the Homevolt sensor platform."""
+
+from freezegun.api import FrozenDateTimeFactory
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.homevolt.const import DOMAIN, SCAN_INTERVAL
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr, entity_registry as er
+
+from tests.common import MockConfigEntry, async_fire_time_changed, snapshot_platform
+
+pytestmark = pytest.mark.usefixtures(
+    "entity_registry_enabled_by_default", "init_integration"
+)
+
+
+async def test_entities(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    entity_registry: er.EntityRegistry,
+    device_registry: dr.DeviceRegistry,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test the sensor entities."""
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
+
+    device_entry = device_registry.async_get_device(
+        identifiers={(DOMAIN, "40580137858664_ems_40580137858664")}
+    )
+    assert device_entry
+    entity_entries = er.async_entries_for_config_entry(
+        entity_registry, mock_config_entry.entry_id
+    )
+    for entity_entry in entity_entries:
+        assert entity_entry.device_id == device_entry.id
+
+
+async def test_sensor_exposes_values_from_coordinator(
+    hass: HomeAssistant,
+    entity_registry: er.EntityRegistry,
+    mock_config_entry: MockConfigEntry,
+    mock_homevolt_client,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Ensure sensor entities are created and expose values from the coordinator."""
+    unique_id = "40580137858664_l1_voltage"
+    entity_id = entity_registry.async_get_entity_id("sensor", DOMAIN, unique_id)
+    assert entity_id is not None
+
+    state = hass.states.get(entity_id)
+    assert state is not None
+    assert float(state.state) == 234.0
+
+    mock_homevolt_client.sensors["l1_voltage"].value = 240.1
+    freezer.tick(SCAN_INTERVAL)
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    state = hass.states.get(entity_id)
+    assert state is not None
+    assert float(state.state) == 240.1