Files
core/homeassistant/components/sofar/__init__.py
T

96 lines
3.1 KiB
Python

"""Integrate Sofar devices into Home Assistant."""
from datetime import timedelta
import logging
from modbus_connection import ModbusError, ModbusTcpParams
from sofar_modbus.modern.device import SofarInverter, identify
from homeassistant.components.modbus import async_get_unit
from homeassistant.const import CONF_HOST, CONF_PORT, Platform
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryError
from homeassistant.helpers import device_registry as dr
from .const import CONF_UNIT_ID, DOMAIN, SCAN_INTERVAL, SETTINGS_SCAN_INTERVAL
from .coordinator import SofarConfigEntry, SofarDataUpdateCoordinator, SofarRuntimeData
_LOGGER = logging.getLogger(__name__)
PLATFORMS: list[Platform] = [Platform.BUTTON, Platform.SELECT, Platform.SENSOR]
_IDENTITY_ATTEMPTS = 3
async def _async_read_identity(entry: SofarConfigEntry, device: SofarInverter) -> None:
"""Read identity once, retrying a few times against a transient blip."""
for attempt in range(_IDENTITY_ATTEMPTS):
try:
await device.identity.async_update()
except ModbusError as err:
if attempt == _IDENTITY_ATTEMPTS - 1:
_LOGGER.warning("%s: could not read identity: %s", entry.title, err)
else:
return
async def async_setup_entry(hass: HomeAssistant, entry: SofarConfigEntry) -> bool:
"""Set up Sofar Inverter Modbus from a config entry."""
serial = entry.unique_id
assert serial is not None
inverter_type, model = identify(serial)
if not inverter_type:
raise ConfigEntryError(
translation_domain=DOMAIN,
translation_key="unrecognized_inverter_model",
translation_placeholders={"title": entry.title},
)
unit = async_get_unit(
hass,
entry,
ModbusTcpParams(host=entry.data[CONF_HOST], port=entry.data[CONF_PORT]),
entry.data[CONF_UNIT_ID],
)
device = SofarInverter(
unit,
serial_number=serial,
model=model,
inverter_type=inverter_type,
)
readings = SofarDataUpdateCoordinator(
hass,
entry,
device,
device.async_update_readings,
timedelta(seconds=SCAN_INTERVAL),
)
settings = SofarDataUpdateCoordinator(
hass,
entry,
device,
device.async_update_settings,
timedelta(seconds=SETTINGS_SCAN_INTERVAL),
)
await readings.async_config_entry_first_refresh()
await settings.async_refresh()
# Not tied to a coordinator: identity never changes once read.
await _async_read_identity(entry, device)
# Up front: a part's device must name an inverter that has an id.
inverter = dr.async_get(hass).async_get_or_create(
config_entry_id=entry.entry_id, **readings.device_info
)
entry.runtime_data = SofarRuntimeData(readings, settings, inverter.id)
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
return True
async def async_unload_entry(hass: HomeAssistant, entry: SofarConfigEntry) -> bool:
"""Unload a config entry."""
return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)