core/homeassistant/components/metoffice/config_flow.py

92 lines
2.7 KiB
Python

"""Config flow for Met Office integration."""
from __future__ import annotations
import logging
from typing import Any
import datapoint
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import config_validation as cv
from .const import DOMAIN
from .helpers import fetch_site
_LOGGER = logging.getLogger(__name__)
async def validate_input(hass: HomeAssistant, data: dict[str, Any]) -> dict[str, str]:
"""Validate that the user input allows us to connect to DataPoint.
Data has the keys from DATA_SCHEMA with values provided by the user.
"""
latitude = data[CONF_LATITUDE]
longitude = data[CONF_LONGITUDE]
api_key = data[CONF_API_KEY]
connection = datapoint.connection(api_key=api_key)
site = await hass.async_add_executor_job(
fetch_site, connection, latitude, longitude
)
if site is None:
raise CannotConnect
return {"site_name": site.name}
class MetOfficeConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Met Office weather integration."""
VERSION = 1
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
errors = {}
if user_input is not None:
await self.async_set_unique_id(
f"{user_input[CONF_LATITUDE]}_{user_input[CONF_LONGITUDE]}"
)
self._abort_if_unique_id_configured()
try:
info = await validate_input(self.hass, user_input)
except CannotConnect:
errors["base"] = "cannot_connect"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
user_input[CONF_NAME] = info["site_name"]
return self.async_create_entry(
title=user_input[CONF_NAME], data=user_input
)
data_schema = vol.Schema(
{
vol.Required(CONF_API_KEY): str,
vol.Required(
CONF_LATITUDE, default=self.hass.config.latitude
): cv.latitude,
vol.Required(
CONF_LONGITUDE, default=self.hass.config.longitude
): cv.longitude,
},
)
return self.async_show_form(
step_id="user", data_schema=data_schema, errors=errors
)
class CannotConnect(HomeAssistantError):
"""Error to indicate we cannot connect."""