config_flow.py

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"""Config flow to configure the Lutron integration."""
 
from __future__ import annotations
 
import logging
from typing import Any
from urllib.error import HTTPError
 
from pylutron import Lutron
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
 
from .const import DOMAIN
 
_LOGGER = logging.getLogger(__name__)
 
 
class LutronConfigFlow(ConfigFlow, domain=DOMAIN):
    """User prompt for Main Repeater configuration information."""
 
    VERSION = 1
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """First step in the config flow."""
        errors = {}
 
        if user_input is not None:
            ip_address = user_input[CONF_HOST]
 
            main_repeater = Lutron(
                ip_address,
                user_input.get(CONF_USERNAME),
                user_input.get(CONF_PASSWORD),
            )
 
            try:
                await self.hass.async_add_executor_job(main_repeater.load_xml_db)
            except HTTPError:
                _LOGGER.exception("Http error")
                errors["base"] = "cannot_connect"
            except Exception:
                _LOGGER.exception("Unknown error")
                errors["base"] = "unknown"
            else:
                guid = main_repeater.guid
 
                if len(guid) <= 10:
                    errors["base"] = "cannot_connect"
 
            if not errors:
                await self.async_set_unique_idasync_set_unique_id(guid)
                self._abort_if_unique_id_configured_abort_if_unique_id_configured()
 
                return self.async_create_entryasync_create_entryasync_create_entry(title="Lutron", data=user_input)
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user",
            data_schema=vol.Schema(
                {
                    vol.Required(CONF_HOST): str,
                    vol.Required(CONF_USERNAME, default="lutron"): str,
                    vol.Required(CONF_PASSWORD, default="integration"): str,
                }
            ),
            errors=errors,
        )