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

87 lines
2.9 KiB
Python

"""Config flow for Sofar devices."""
import logging
from typing import Any, override
from modbus_connection import ModbusError, ModbusTcpParams
from sofar_modbus.modern.device import SofarInverter
import voluptuous as vol
from homeassistant.components.modbus import async_get_temporary_unit
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_PORT
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.selector import (
NumberSelector,
NumberSelectorConfig,
NumberSelectorMode,
TextSelector,
)
from .const import CONF_UNIT_ID, DEFAULT_NAME, DEFAULT_PORT, DEFAULT_UNIT_ID, DOMAIN
_LOGGER = logging.getLogger(__name__)
STEP_USER_DATA_SCHEMA = vol.Schema(
{
vol.Required(CONF_HOST): TextSelector(),
vol.Required(CONF_PORT, default=DEFAULT_PORT): vol.All(
NumberSelector(
NumberSelectorConfig(mode=NumberSelectorMode.BOX, min=1, max=65535)
),
vol.Coerce(int),
),
vol.Required(CONF_UNIT_ID, default=DEFAULT_UNIT_ID): vol.All(
NumberSelector(
NumberSelectorConfig(mode=NumberSelectorMode.BOX, min=1, max=247)
),
vol.Coerce(int),
),
}
)
class SofarConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a Sofar config flow."""
VERSION = 1
@override
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial connection step."""
errors: dict[str, str] = {}
description_placeholders: dict[str, str] = {}
if user_input is not None:
params = ModbusTcpParams(
host=user_input[CONF_HOST], port=user_input[CONF_PORT]
)
try:
async with async_get_temporary_unit(
self.hass, params, user_input[CONF_UNIT_ID]
) as unit:
device = SofarInverter(unit)
await device.async_update()
except (ModbusError, HomeAssistantError) as err:
errors["base"] = "cannot_connect"
description_placeholders["error"] = str(err)
else:
assert device.serial_number is not None
if not device.inverter_type:
errors["base"] = "unrecognized_inverter"
else:
await self.async_set_unique_id(device.serial_number)
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=device.model or DEFAULT_NAME,
data=user_input,
)
return self.async_show_form(
step_id="user",
data_schema=STEP_USER_DATA_SCHEMA,
errors=errors,
description_placeholders=description_placeholders,
)