153 lines
4.6 KiB
Python
153 lines
4.6 KiB
Python
"""Config flow for Met Office integration."""
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from __future__ import annotations
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from collections.abc import Mapping
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import logging
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from typing import Any
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import datapoint
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from datapoint.exceptions import APIException
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import datapoint.Manager
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from requests import HTTPError
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import voluptuous as vol
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from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
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from homeassistant.const import CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers import config_validation as cv
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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async def validate_input(
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hass: HomeAssistant, latitude: float, longitude: float, api_key: str
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) -> dict[str, Any]:
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"""Validate that the user input allows us to connect to DataPoint.
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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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errors = {}
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connection = datapoint.Manager.Manager(api_key=api_key)
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try:
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forecast = await hass.async_add_executor_job(
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connection.get_forecast,
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latitude,
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longitude,
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"daily",
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False,
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)
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except (HTTPError, APIException) as err:
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if isinstance(err, HTTPError) and err.response.status_code == 401:
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errors["base"] = "invalid_auth"
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else:
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errors["base"] = "cannot_connect"
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except Exception:
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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else:
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return {"site_name": forecast.name, "errors": errors}
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return {"errors": errors}
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class MetOfficeConfigFlow(ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Met Office weather integration."""
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VERSION = 1
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> ConfigFlowResult:
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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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f"{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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result = await validate_input(
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self.hass,
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latitude=user_input[CONF_LATITUDE],
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longitude=user_input[CONF_LONGITUDE],
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api_key=user_input[CONF_API_KEY],
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)
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errors = result["errors"]
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if not errors:
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user_input[CONF_NAME] = result["site_name"]
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return self.async_create_entry(
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title=user_input[CONF_NAME], data=user_input
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)
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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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},
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)
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return self.async_show_form(
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step_id="user",
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data_schema=data_schema,
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errors=errors,
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)
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async def async_step_reauth(
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self, entry_data: Mapping[str, Any]
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) -> ConfigFlowResult:
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"""Perform reauth upon an API authentication error."""
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return await self.async_step_reauth_confirm()
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async def async_step_reauth_confirm(
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self, user_input: dict[str, Any] | None = None
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) -> ConfigFlowResult:
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"""Dialog that informs the user that reauth is required."""
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errors = {}
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entry = self._get_reauth_entry()
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if user_input is not None:
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result = await validate_input(
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self.hass,
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latitude=entry.data[CONF_LATITUDE],
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longitude=entry.data[CONF_LONGITUDE],
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api_key=user_input[CONF_API_KEY],
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)
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errors = result["errors"]
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if not errors:
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return self.async_update_reload_and_abort(
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self._get_reauth_entry(),
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data_updates=user_input,
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)
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return self.async_show_form(
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step_id="reauth_confirm",
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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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}
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),
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description_placeholders={
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"docs_url": ("https://www.home-assistant.io/integrations/metoffice")
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},
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errors=errors,
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)
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class CannotConnect(HomeAssistantError):
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"""Error to indicate we cannot connect."""
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