core/homeassistant/components/netgear_lte/config_flow.py

104 lines
3.6 KiB
Python

"""Config flow for Netgear LTE integration."""
from __future__ import annotations
from typing import Any
from aiohttp.cookiejar import CookieJar
from eternalegypt import Error, Modem
from eternalegypt.eternalegypt import Information
import voluptuous as vol
from homeassistant import config_entries, exceptions
from homeassistant.const import CONF_HOST, CONF_PASSWORD
from homeassistant.data_entry_flow import FlowResult
from homeassistant.helpers.aiohttp_client import async_create_clientsession
from .const import DEFAULT_HOST, DOMAIN, LOGGER, MANUFACTURER
class NetgearLTEFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Netgear LTE."""
async def async_step_import(self, config: dict[str, Any]) -> FlowResult:
"""Import a configuration from config.yaml."""
host = config[CONF_HOST]
password = config[CONF_PASSWORD]
self._async_abort_entries_match({CONF_HOST: host})
try:
info = await self._async_validate_input(host, password)
except InputValidationError:
return self.async_abort(reason="cannot_connect")
await self.async_set_unique_id(info.serial_number)
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=f"{MANUFACTURER} {info.items['general.devicename']}",
data={CONF_HOST: host, CONF_PASSWORD: password},
)
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Handle a flow initiated by the user."""
errors = {}
if user_input:
host = user_input[CONF_HOST]
password = user_input[CONF_PASSWORD]
try:
info = await self._async_validate_input(host, password)
except InputValidationError as ex:
errors["base"] = ex.base
else:
await self.async_set_unique_id(info.serial_number)
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=f"{MANUFACTURER} {info.items['general.devicename']}",
data={CONF_HOST: host, CONF_PASSWORD: password},
)
return self.async_show_form(
step_id="user",
data_schema=self.add_suggested_values_to_schema(
vol.Schema(
{
vol.Required(CONF_HOST): str,
vol.Required(CONF_PASSWORD): str,
}
),
user_input or {CONF_HOST: DEFAULT_HOST},
),
errors=errors,
)
async def _async_validate_input(self, host: str, password: str) -> Information:
"""Validate login credentials."""
websession = async_create_clientsession(
self.hass, cookie_jar=CookieJar(unsafe=True)
)
modem = Modem(
hostname=host,
password=password,
websession=websession,
)
try:
await modem.login()
info = await modem.information()
except Error as ex:
raise InputValidationError("cannot_connect") from ex
except Exception as ex:
LOGGER.exception("Unexpected exception")
raise InputValidationError("unknown") from ex
await modem.logout()
return info
class InputValidationError(exceptions.HomeAssistantError):
"""Error to indicate we cannot proceed due to invalid input."""
def __init__(self, base: str) -> None:
"""Initialize with error base."""
super().__init__()
self.base = base