core/homeassistant/components/stiebel_eltron/config_flow.py

83 lines
2.7 KiB
Python

"""Config flow for the STIEBEL ELTRON integration."""
from __future__ import annotations
import logging
from typing import Any
from pymodbus.client import ModbusTcpClient
from pystiebeleltron.pystiebeleltron import StiebelEltronAPI
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PORT
from .const import DEFAULT_PORT, DOMAIN
_LOGGER = logging.getLogger(__name__)
class StiebelEltronConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for STIEBEL ELTRON."""
VERSION = 1
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:
self._async_abort_entries_match(
{CONF_HOST: user_input[CONF_HOST], CONF_PORT: user_input[CONF_PORT]}
)
client = StiebelEltronAPI(
ModbusTcpClient(user_input[CONF_HOST], port=user_input[CONF_PORT]), 1
)
try:
success = await self.hass.async_add_executor_job(client.update)
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
if not success:
errors["base"] = "cannot_connect"
if not errors:
return self.async_create_entry(title="Stiebel Eltron", data=user_input)
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(CONF_HOST): str,
vol.Required(CONF_PORT, default=DEFAULT_PORT): int,
}
),
errors=errors,
)
async def async_step_import(self, user_input: dict[str, Any]) -> ConfigFlowResult:
"""Handle import."""
self._async_abort_entries_match(
{CONF_HOST: user_input[CONF_HOST], CONF_PORT: user_input[CONF_PORT]}
)
client = StiebelEltronAPI(
ModbusTcpClient(user_input[CONF_HOST], port=user_input[CONF_PORT]), 1
)
try:
success = await self.hass.async_add_executor_job(client.update)
except Exception:
_LOGGER.exception("Unexpected exception")
return self.async_abort(reason="unknown")
if not success:
return self.async_abort(reason="cannot_connect")
return self.async_create_entry(
title=user_input[CONF_NAME],
data={
CONF_HOST: user_input[CONF_HOST],
CONF_PORT: user_input[CONF_PORT],
},
)