mirror of https://github.com/home-assistant/core
150 lines
4.8 KiB
Python
150 lines
4.8 KiB
Python
"""Config flow for Ukraine Alarm."""
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from __future__ import annotations
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import asyncio
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import logging
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import aiohttp
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from uasiren.client import Client
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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_NAME, CONF_REGION
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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class UkraineAlarmConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Config flow for Ukraine Alarm."""
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VERSION = 1
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def __init__(self):
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"""Initialize a new UkraineAlarmConfigFlow."""
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self.states = None
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self.selected_region = None
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async def async_step_user(self, user_input=None):
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"""Handle a flow initialized by the user."""
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if len(self._async_current_entries()) == 5:
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return self.async_abort(reason="max_regions")
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if not self.states:
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websession = async_get_clientsession(self.hass)
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reason = None
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unknown_err_msg = None
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try:
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regions = await Client(websession).get_regions()
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except aiohttp.ClientResponseError as ex:
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if ex.status == 429:
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reason = "rate_limit"
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else:
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reason = "unknown"
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unknown_err_msg = str(ex)
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except aiohttp.ClientConnectionError:
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reason = "cannot_connect"
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except aiohttp.ClientError as ex:
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reason = "unknown"
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unknown_err_msg = str(ex)
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except asyncio.TimeoutError:
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reason = "timeout"
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if not reason and not regions:
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reason = "unknown"
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unknown_err_msg = "no regions returned"
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if unknown_err_msg:
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_LOGGER.error("Failed to connect to the service: %s", unknown_err_msg)
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if reason:
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return self.async_abort(reason=reason)
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self.states = regions["states"]
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return await self._handle_pick_region("user", "district", user_input)
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async def async_step_district(self, user_input=None):
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"""Handle user-chosen district."""
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return await self._handle_pick_region("district", "community", user_input)
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async def async_step_community(self, user_input=None):
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"""Handle user-chosen community."""
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return await self._handle_pick_region("community", None, user_input, True)
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async def _handle_pick_region(
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self, step_id: str, next_step: str | None, user_input, last_step=False
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):
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"""Handle picking a (sub)region."""
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if self.selected_region:
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source = self.selected_region["regionChildIds"]
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else:
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source = self.states
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if user_input is not None:
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# Only offer to browse subchildren if picked region wasn't the previously picked one
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if (
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not self.selected_region
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or user_input[CONF_REGION] != self.selected_region["regionId"]
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):
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self.selected_region = _find(source, user_input[CONF_REGION])
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if next_step and self.selected_region["regionChildIds"]:
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return await getattr(self, f"async_step_{next_step}")()
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return await self._async_finish_flow()
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regions = {}
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if self.selected_region:
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regions[self.selected_region["regionId"]] = self.selected_region[
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"regionName"
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]
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regions.update(_make_regions_object(source))
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schema = vol.Schema(
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{
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vol.Required(CONF_REGION): vol.In(regions),
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}
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)
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return self.async_show_form(
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step_id=step_id, data_schema=schema, last_step=last_step
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)
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async def _async_finish_flow(self):
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"""Finish the setup."""
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await self.async_set_unique_id(self.selected_region["regionId"])
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self._abort_if_unique_id_configured()
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return self.async_create_entry(
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title=self.selected_region["regionName"],
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data={
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CONF_REGION: self.selected_region["regionId"],
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CONF_NAME: self.selected_region["regionName"],
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},
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)
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def _find(regions, region_id):
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return next((region for region in regions if region["regionId"] == region_id), None)
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def _make_regions_object(regions):
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regions_list = []
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for region in regions:
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regions_list.append(
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{
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"id": region["regionId"],
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"name": region["regionName"],
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}
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)
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regions_list = sorted(regions_list, key=lambda region: region["name"].lower())
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regions_object = {}
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for region in regions_list:
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regions_object[region["id"]] = region["name"]
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return regions_object
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