core/homeassistant/components/moehlenhoff_alpha2/config_flow.py

56 lines
1.6 KiB
Python

"""Alpha2 config flow."""
import asyncio
import logging
import aiohttp
from moehlenhoff_alpha2 import Alpha2Base
import voluptuous as vol
from homeassistant import config_entries
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
DATA_SCHEMA = vol.Schema({vol.Required("host"): str})
async def validate_input(data):
"""Validate the user input allows us to connect.
Data has the keys from DATA_SCHEMA with values provided by the user.
"""
base = Alpha2Base(data["host"])
try:
await base.update_data()
except (aiohttp.client_exceptions.ClientConnectorError, asyncio.TimeoutError):
return {"error": "cannot_connect"}
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
return {"error": "unknown"}
# Return info that you want to store in the config entry.
return {"title": base.name}
class Alpha2BaseConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Möhlenhoff Alpha2 config flow."""
VERSION = 1
async def async_step_user(self, user_input=None):
"""Handle a flow initialized by the user."""
errors = {}
if user_input is not None:
self._async_abort_entries_match({"host": user_input["host"]})
result = await validate_input(user_input)
if result.get("error"):
errors["base"] = result["error"]
else:
return self.async_create_entry(title=result["title"], data=user_input)
return self.async_show_form(
step_id="user", data_schema=DATA_SCHEMA, errors=errors
)