mirror of
https://github.com/home-assistant/core
synced 2024-10-04 07:58:43 +02:00
85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
"""Config flow for National Weather Service (NWS) integration."""
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import logging
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import aiohttp
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from pynws import SimpleNWS
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import voluptuous as vol
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from homeassistant import config_entries, core, exceptions
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from homeassistant.const import CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from . import base_unique_id
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from .const import CONF_STATION, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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async def validate_input(hass: core.HomeAssistant, data):
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"""Validate the user input allows us to connect.
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Data has the keys from DATA_SCHEMA with values provided by the user.
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"""
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latitude = data[CONF_LATITUDE]
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longitude = data[CONF_LONGITUDE]
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api_key = data[CONF_API_KEY]
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station = data.get(CONF_STATION)
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client_session = async_get_clientsession(hass)
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ha_api_key = f"{api_key} homeassistant"
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nws = SimpleNWS(latitude, longitude, ha_api_key, client_session)
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try:
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await nws.set_station(station)
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except aiohttp.ClientError as err:
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_LOGGER.error("Could not connect: %s", err)
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raise CannotConnect from err
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return {"title": nws.station}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for National Weather Service (NWS)."""
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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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await self.async_set_unique_id(
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base_unique_id(user_input[CONF_LATITUDE], user_input[CONF_LONGITUDE])
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)
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self._abort_if_unique_id_configured()
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try:
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info = await validate_input(self.hass, user_input)
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user_input[CONF_STATION] = info["title"]
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return self.async_create_entry(title=info["title"], data=user_input)
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except CannotConnect:
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errors["base"] = "cannot_connect"
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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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data_schema = vol.Schema(
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{
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vol.Required(CONF_API_KEY): str,
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vol.Required(
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CONF_LATITUDE, default=self.hass.config.latitude
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): cv.latitude,
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vol.Required(
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CONF_LONGITUDE, default=self.hass.config.longitude
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): cv.longitude,
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vol.Optional(CONF_STATION): str,
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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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class CannotConnect(exceptions.HomeAssistantError):
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"""Error to indicate we cannot connect."""
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