core/homeassistant/components/otbr/config_flow.py

106 lines
3.9 KiB
Python

"""Config flow for the Open Thread Border Router integration."""
from __future__ import annotations
import asyncio
import logging
import aiohttp
import python_otbr_api
from python_otbr_api import tlv_parser
import voluptuous as vol
from homeassistant.components.hassio import HassioServiceInfo
from homeassistant.components.thread import async_get_preferred_dataset
from homeassistant.config_entries import ConfigFlow
from homeassistant.const import CONF_URL
from homeassistant.data_entry_flow import FlowResult
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from .const import DEFAULT_CHANNEL, DOMAIN
_LOGGER = logging.getLogger(__name__)
class OTBRConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Open Thread Border Router."""
VERSION = 1
async def _connect_and_create_dataset(self, url: str) -> None:
"""Connect to the OTBR and create a dataset if it doesn't have one."""
api = python_otbr_api.OTBR(url, async_get_clientsession(self.hass), 10)
if await api.get_active_dataset_tlvs() is None:
# We currently have no way to know which channel zha is using, assume it's
# the default
zha_channel = DEFAULT_CHANNEL
thread_dataset_channel = None
thread_dataset_tlv = await async_get_preferred_dataset(self.hass)
if thread_dataset_tlv:
dataset = tlv_parser.parse_tlv(thread_dataset_tlv)
if channel_str := dataset.get(tlv_parser.MeshcopTLVType.CHANNEL):
thread_dataset_channel = int(channel_str, base=16)
if thread_dataset_tlv is not None and zha_channel == thread_dataset_channel:
await api.set_active_dataset_tlvs(bytes.fromhex(thread_dataset_tlv))
else:
_LOGGER.debug(
"not importing TLV with channel %s", thread_dataset_channel
)
await api.create_active_dataset(
python_otbr_api.OperationalDataSet(
channel=zha_channel, network_name="home-assistant"
)
)
await api.set_enabled(True)
async def async_step_user(
self, user_input: dict[str, str] | None = None
) -> FlowResult:
"""Set up by user."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
errors = {}
if user_input is not None:
url = user_input[CONF_URL]
try:
await self._connect_and_create_dataset(url)
except (
python_otbr_api.OTBRError,
aiohttp.ClientError,
asyncio.TimeoutError,
):
errors["base"] = "cannot_connect"
else:
await self.async_set_unique_id(DOMAIN)
return self.async_create_entry(
title="Open Thread Border Router",
data=user_input,
)
data_schema = vol.Schema({CONF_URL: str})
return self.async_show_form(
step_id="user", data_schema=data_schema, errors=errors
)
async def async_step_hassio(self, discovery_info: HassioServiceInfo) -> FlowResult:
"""Handle hassio discovery."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
config = discovery_info.config
url = f"http://{config['host']}:{config['port']}"
try:
await self._connect_and_create_dataset(url)
except python_otbr_api.OTBRError as exc:
_LOGGER.warning("Failed to communicate with OTBR@%s: %s", url, exc)
return self.async_abort(reason="unknown")
await self.async_set_unique_id(DOMAIN)
return self.async_create_entry(
title="Open Thread Border Router",
data={"url": url},
)