core/homeassistant/components/environment_canada/config_flow.py

101 lines
3.4 KiB
Python

"""Config flow for Environment Canada integration."""
import logging
from typing import Any
import xml.etree.ElementTree as ET
import aiohttp
from env_canada import ECWeather, ec_exc
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_LANGUAGE, CONF_LATITUDE, CONF_LONGITUDE
from homeassistant.helpers import config_validation as cv
from .const import CONF_STATION, CONF_TITLE, DOMAIN
_LOGGER = logging.getLogger(__name__)
async def validate_input(data):
"""Validate the user input allows us to connect."""
lat = data.get(CONF_LATITUDE)
lon = data.get(CONF_LONGITUDE)
station = data.get(CONF_STATION)
lang = data.get(CONF_LANGUAGE).lower()
if station:
weather_data = ECWeather(station_id=station, language=lang)
else:
weather_data = ECWeather(coordinates=(lat, lon), language=lang)
await weather_data.update()
if lat is None or lon is None:
lat = weather_data.lat
lon = weather_data.lon
return {
CONF_TITLE: weather_data.metadata.get("location"),
CONF_STATION: weather_data.station_id,
CONF_LATITUDE: lat,
CONF_LONGITUDE: lon,
}
class EnvironmentCanadaConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Environment Canada weather."""
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:
try:
info = await validate_input(user_input)
except (ET.ParseError, vol.MultipleInvalid, ec_exc.UnknownStationId):
errors["base"] = "bad_station_id"
except aiohttp.ClientConnectionError:
errors["base"] = "cannot_connect"
except aiohttp.ClientResponseError as err:
if err.status == 404:
errors["base"] = "bad_station_id"
else:
errors["base"] = "error_response"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
if not errors:
user_input[CONF_STATION] = info[CONF_STATION]
user_input[CONF_LATITUDE] = info[CONF_LATITUDE]
user_input[CONF_LONGITUDE] = info[CONF_LONGITUDE]
# The combination of station and language are unique for all EC weather reporting
await self.async_set_unique_id(
f"{user_input[CONF_STATION]}-{user_input[CONF_LANGUAGE].lower()}"
)
self._abort_if_unique_id_configured()
return self.async_create_entry(title=info[CONF_TITLE], data=user_input)
data_schema = vol.Schema(
{
vol.Optional(CONF_STATION): str,
vol.Optional(
CONF_LATITUDE, default=self.hass.config.latitude
): cv.latitude,
vol.Optional(
CONF_LONGITUDE, default=self.hass.config.longitude
): cv.longitude,
vol.Required(CONF_LANGUAGE, default="English"): vol.In(
["English", "French"]
),
}
)
return self.async_show_form(
step_id="user", data_schema=data_schema, errors=errors
)