core/homeassistant/components/elgato/config_flow.py

116 lines
3.5 KiB
Python

"""Config flow to configure the Elgato Light integration."""
from __future__ import annotations
from typing import Any
from elgato import Elgato, ElgatoError
import voluptuous as vol
from homeassistant.components import onboarding
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_MAC
from homeassistant.core import callback
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.service_info.zeroconf import ZeroconfServiceInfo
from .const import DOMAIN
class ElgatoFlowHandler(ConfigFlow, domain=DOMAIN):
"""Handle a Elgato Light config flow."""
VERSION = 1
host: str
port: int
serial_number: str
mac: str | None = None
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a flow initiated by the user."""
if user_input is None:
return self._async_show_setup_form()
self.host = user_input[CONF_HOST]
try:
await self._get_elgato_serial_number(raise_on_progress=False)
except ElgatoError:
return self._async_show_setup_form({"base": "cannot_connect"})
return self._async_create_entry()
async def async_step_zeroconf(
self, discovery_info: ZeroconfServiceInfo
) -> ConfigFlowResult:
"""Handle zeroconf discovery."""
self.host = discovery_info.host
self.mac = discovery_info.properties.get("id")
try:
await self._get_elgato_serial_number()
except ElgatoError:
return self.async_abort(reason="cannot_connect")
if not onboarding.async_is_onboarded(self.hass):
return self._async_create_entry()
self._set_confirm_only()
return self.async_show_form(
step_id="zeroconf_confirm",
description_placeholders={"serial_number": self.serial_number},
)
async def async_step_zeroconf_confirm(
self, _: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle a flow initiated by zeroconf."""
return self._async_create_entry()
@callback
def _async_show_setup_form(
self, errors: dict[str, str] | None = None
) -> ConfigFlowResult:
"""Show the setup form to the user."""
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(CONF_HOST): str,
}
),
errors=errors or {},
)
@callback
def _async_create_entry(self) -> ConfigFlowResult:
return self.async_create_entry(
title=self.serial_number,
data={
CONF_HOST: self.host,
CONF_MAC: self.mac,
},
)
async def _get_elgato_serial_number(self, raise_on_progress: bool = True) -> None:
"""Get device information from an Elgato Light device."""
session = async_get_clientsession(self.hass)
elgato = Elgato(
host=self.host,
session=session,
)
info = await elgato.info()
# Check if already configured
await self.async_set_unique_id(
info.serial_number, raise_on_progress=raise_on_progress
)
self._abort_if_unique_id_configured(
updates={CONF_HOST: self.host, CONF_MAC: self.mac}
)
self.serial_number = info.serial_number