mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
"""Config flow for Environment Canada integration."""
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import logging
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import xml.etree.ElementTree as et
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import aiohttp
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from env_canada import ECWeather, ec_exc
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE
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from homeassistant.helpers import config_validation as cv
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from .const import CONF_LANGUAGE, CONF_STATION, CONF_TITLE, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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async def validate_input(data):
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"""Validate the user input allows us to connect."""
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lat = data.get(CONF_LATITUDE)
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lon = data.get(CONF_LONGITUDE)
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station = data.get(CONF_STATION)
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lang = data.get(CONF_LANGUAGE).lower()
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if station:
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weather_data = ECWeather(station_id=station, language=lang)
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else:
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weather_data = ECWeather(coordinates=(lat, lon), language=lang)
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await weather_data.update()
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if lat is None or lon is None:
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lat = weather_data.lat
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lon = weather_data.lon
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return {
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CONF_TITLE: weather_data.metadata.get("location"),
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CONF_STATION: weather_data.station_id,
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CONF_LATITUDE: lat,
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CONF_LONGITUDE: lon,
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}
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class EnvironmentCanadaConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Environment Canada weather."""
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VERSION = 1
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async def async_step_user(self, user_input=None):
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"""Handle the initial step."""
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errors = {}
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if user_input is not None:
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try:
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info = await validate_input(user_input)
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except (et.ParseError, vol.MultipleInvalid, ec_exc.UnknownStationId):
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errors["base"] = "bad_station_id"
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except aiohttp.ClientConnectionError:
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errors["base"] = "cannot_connect"
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except aiohttp.ClientResponseError as err:
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if err.status == 404:
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errors["base"] = "bad_station_id"
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else:
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errors["base"] = "error_response"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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if not errors:
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user_input[CONF_STATION] = info[CONF_STATION]
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user_input[CONF_LATITUDE] = info[CONF_LATITUDE]
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user_input[CONF_LONGITUDE] = info[CONF_LONGITUDE]
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# The combination of station and language are unique for all EC weather reporting
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await self.async_set_unique_id(
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f"{user_input[CONF_STATION]}-{user_input[CONF_LANGUAGE].lower()}"
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)
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self._abort_if_unique_id_configured()
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return self.async_create_entry(title=info[CONF_TITLE], data=user_input)
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data_schema = vol.Schema(
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{
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vol.Optional(CONF_STATION): str,
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vol.Optional(
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CONF_LATITUDE, default=self.hass.config.latitude
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): cv.latitude,
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vol.Optional(
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CONF_LONGITUDE, default=self.hass.config.longitude
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): cv.longitude,
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vol.Required(CONF_LANGUAGE, default="English"): vol.In(
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["English", "French"]
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),
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}
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)
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return self.async_show_form(
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step_id="user", data_schema=data_schema, errors=errors
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)
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