224 lines
7.4 KiB
Python
224 lines
7.4 KiB
Python
"""Adds config flow for Nettigo Air Monitor."""
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from __future__ import annotations
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import asyncio
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from collections.abc import Mapping
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from dataclasses import dataclass
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import logging
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from typing import Any
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from aiohttp.client_exceptions import ClientConnectorError
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import async_timeout
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from nettigo_air_monitor import (
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ApiError,
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AuthFailed,
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CannotGetMac,
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ConnectionOptions,
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NettigoAirMonitor,
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)
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.components import zeroconf
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from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
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from homeassistant.core import HomeAssistant
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.device_registry import format_mac
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from .const import DOMAIN
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@dataclass
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class NamConfig:
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"""NAM device configuration class."""
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mac_address: str
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auth_enabled: bool
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_LOGGER = logging.getLogger(__name__)
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AUTH_SCHEMA = vol.Schema(
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{vol.Required(CONF_USERNAME): str, vol.Required(CONF_PASSWORD): str}
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)
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async def async_get_config(hass: HomeAssistant, host: str) -> NamConfig:
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"""Get device MAC address and auth_enabled property."""
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websession = async_get_clientsession(hass)
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options = ConnectionOptions(host)
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nam = await NettigoAirMonitor.create(websession, options)
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async with async_timeout.timeout(10):
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mac = await nam.async_get_mac_address()
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return NamConfig(mac, nam.auth_enabled)
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async def async_check_credentials(
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hass: HomeAssistant, host: str, data: dict[str, Any]
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) -> None:
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"""Check if credentials are valid."""
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websession = async_get_clientsession(hass)
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options = ConnectionOptions(host, data.get(CONF_USERNAME), data.get(CONF_PASSWORD))
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nam = await NettigoAirMonitor.create(websession, options)
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async with async_timeout.timeout(10):
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await nam.async_check_credentials()
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class NAMFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Config flow for Nettigo Air Monitor."""
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VERSION = 1
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def __init__(self) -> None:
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"""Initialize flow."""
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self.host: str
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self.entry: config_entries.ConfigEntry
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self._config: NamConfig
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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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) -> FlowResult:
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"""Handle a flow initialized by the user."""
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errors: dict[str, str] = {}
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if user_input is not None:
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self.host = user_input[CONF_HOST]
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try:
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config = await async_get_config(self.hass, self.host)
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except (ApiError, ClientConnectorError, asyncio.TimeoutError):
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errors["base"] = "cannot_connect"
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except CannotGetMac:
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return self.async_abort(reason="device_unsupported")
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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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else:
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await self.async_set_unique_id(format_mac(config.mac_address))
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self._abort_if_unique_id_configured({CONF_HOST: self.host})
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if config.auth_enabled is True:
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return await self.async_step_credentials()
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return self.async_create_entry(
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title=self.host,
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data=user_input,
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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=vol.Schema({vol.Required(CONF_HOST): str}),
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errors=errors,
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)
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async def async_step_credentials(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the credentials step."""
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errors: dict[str, str] = {}
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if user_input is not None:
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try:
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await async_check_credentials(self.hass, self.host, user_input)
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except AuthFailed:
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errors["base"] = "invalid_auth"
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except (ApiError, ClientConnectorError, asyncio.TimeoutError):
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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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else:
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return self.async_create_entry(
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title=self.host,
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data={**user_input, CONF_HOST: self.host},
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)
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return self.async_show_form(
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step_id="credentials", data_schema=AUTH_SCHEMA, errors=errors
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)
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async def async_step_zeroconf(
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self, discovery_info: zeroconf.ZeroconfServiceInfo
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) -> FlowResult:
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"""Handle zeroconf discovery."""
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self.host = discovery_info.host
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self.context["title_placeholders"] = {"host": self.host}
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# Do not probe the device if the host is already configured
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self._async_abort_entries_match({CONF_HOST: self.host})
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try:
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self._config = await async_get_config(self.hass, self.host)
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except (ApiError, ClientConnectorError, asyncio.TimeoutError):
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return self.async_abort(reason="cannot_connect")
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except CannotGetMac:
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return self.async_abort(reason="device_unsupported")
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await self.async_set_unique_id(format_mac(self._config.mac_address))
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self._abort_if_unique_id_configured({CONF_HOST: self.host})
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return await self.async_step_confirm_discovery()
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async def async_step_confirm_discovery(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle discovery confirm."""
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errors: dict[str, str] = {}
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if user_input is not None:
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return self.async_create_entry(
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title=self.host,
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data={CONF_HOST: self.host},
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)
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if self._config.auth_enabled is True:
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return await self.async_step_credentials()
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self._set_confirm_only()
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return self.async_show_form(
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step_id="confirm_discovery",
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description_placeholders={"host": self.host},
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errors=errors,
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)
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async def async_step_reauth(self, entry_data: Mapping[str, Any]) -> FlowResult:
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"""Handle configuration by re-auth."""
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if entry := self.hass.config_entries.async_get_entry(self.context["entry_id"]):
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self.entry = entry
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self.host = entry_data[CONF_HOST]
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self.context["title_placeholders"] = {"host": self.host}
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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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) -> FlowResult:
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"""Dialog that informs the user that reauth is required."""
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errors: dict[str, str] = {}
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if user_input is not None:
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try:
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await async_check_credentials(self.hass, self.host, user_input)
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except (ApiError, AuthFailed, ClientConnectorError, asyncio.TimeoutError):
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return self.async_abort(reason="reauth_unsuccessful")
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self.hass.config_entries.async_update_entry(
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self.entry, data={**user_input, CONF_HOST: self.host}
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)
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await self.hass.config_entries.async_reload(self.entry.entry_id)
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return self.async_abort(reason="reauth_successful")
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return self.async_show_form(
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step_id="reauth_confirm",
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description_placeholders={"host": self.host},
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data_schema=AUTH_SCHEMA,
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errors=errors,
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)
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