122 lines
4.1 KiB
Python
122 lines
4.1 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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import logging
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from typing import Any, cast
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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 ApiError, CannotGetMac, NettigoAirMonitor
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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 ATTR_NAME, CONF_HOST
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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 homeassistant.helpers.typing import DiscoveryInfoType
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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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 | None = None
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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 = {}
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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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mac = await self._async_get_mac(cast(str, 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(mac))
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self._abort_if_unique_id_configured({CONF_HOST: self.host})
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return self.async_create_entry(
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title=cast(str, 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(
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{
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vol.Required(CONF_HOST, default=""): str,
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}
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),
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errors=errors,
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)
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async def async_step_zeroconf(
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self, discovery_info: DiscoveryInfoType
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) -> FlowResult:
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"""Handle zeroconf discovery."""
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self.host = discovery_info[CONF_HOST]
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try:
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mac = await self._async_get_mac(cast(str, 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(mac))
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self._abort_if_unique_id_configured({CONF_HOST: self.host})
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self.context["title_placeholders"] = {
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ATTR_NAME: discovery_info[ATTR_NAME].split(".")[0]
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}
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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 = {}
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if user_input is not None:
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return self.async_create_entry(
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title=cast(str, self.host),
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data={CONF_HOST: self.host},
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)
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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={CONF_HOST: self.host},
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errors=errors,
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)
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async def _async_get_mac(self, host: str) -> str:
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"""Get device MAC address."""
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websession = async_get_clientsession(self.hass)
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nam = NettigoAirMonitor(websession, host)
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# Device firmware uses synchronous code and doesn't respond to http queries
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# when reading data from sensors. The nettigo-air-monitor library tries to get
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# the data 4 times, so we use a longer than usual timeout here.
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with async_timeout.timeout(30):
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return cast(str, await nam.async_get_mac_address())
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