config_flow.py

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"""Config flow to configure Goodwe inverters using their local API."""
 
from __future__ import annotations
 
import logging
from typing import Any
 
from goodwe import InverterError, connect
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST
 
from .const import CONF_MODEL_FAMILY, DEFAULT_NAME, DOMAIN
 
CONFIG_SCHEMA = vol.Schema(
    {
        vol.Required(CONF_HOST): str,
    }
)
 
_LOGGER = logging.getLogger(__name__)
 
 
class GoodweFlowHandler(ConfigFlow, domain=DOMAIN):
    """Handle a Goodwe config flow."""
 
    VERSION = 1
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle a flow initialized by the user."""
        errors = {}
        if user_input is not None:
            host = user_input[CONF_HOST]
 
            try:
                inverter = await connect(host=host, retries=10)
            except InverterError:
                errors[CONF_HOST] = "connection_error"
            else:
                await self.async_set_unique_idasync_set_unique_id(inverter.serial_number)
                self._abort_if_unique_id_configured_abort_if_unique_id_configured()
 
                return self.async_create_entryasync_create_entryasync_create_entry(
                    title=DEFAULT_NAME,
                    data={
                        CONF_HOST: host,
                        CONF_MODEL_FAMILY: type(inverter).__name__,
                    },
                )
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user", data_schema=CONFIG_SCHEMA, errors=errors
        )