core/homeassistant/components/prusalink/config_flow.py

106 lines
3.0 KiB
Python

"""Config flow for PrusaLink integration."""
from __future__ import annotations
import asyncio
import logging
from typing import Any
from aiohttp import ClientError
import async_timeout
from awesomeversion import AwesomeVersion, AwesomeVersionException
from pyprusalink import InvalidAuth, PrusaLink
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.core import HomeAssistant
from homeassistant.data_entry_flow import FlowResult
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
STEP_USER_DATA_SCHEMA = vol.Schema(
{
vol.Required("host"): str,
vol.Required("api_key"): str,
}
)
async def validate_input(hass: HomeAssistant, data: dict[str, str]) -> dict[str, str]:
"""Validate the user input allows us to connect.
Data has the keys from STEP_USER_DATA_SCHEMA with values provided by the user.
"""
api = PrusaLink(async_get_clientsession(hass), data["host"], data["api_key"])
try:
async with async_timeout.timeout(5):
version = await api.get_version()
except (asyncio.TimeoutError, ClientError) as err:
_LOGGER.error("Could not connect to PrusaLink: %s", err)
raise CannotConnect from err
try:
if AwesomeVersion(version["api"]) < AwesomeVersion("2.0.0"):
raise NotSupported
except AwesomeVersionException as err:
raise NotSupported from err
return {"title": version["hostname"]}
class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for PrusaLink."""
VERSION = 1
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> FlowResult:
"""Handle the initial step."""
if user_input is None:
return self.async_show_form(
step_id="user", data_schema=STEP_USER_DATA_SCHEMA
)
host = user_input["host"].rstrip("/")
if not host.startswith(("http://", "https://")):
host = f"http://{host}"
data = {
"host": host,
"api_key": user_input["api_key"],
}
errors = {}
try:
info = await validate_input(self.hass, data)
except CannotConnect:
errors["base"] = "cannot_connect"
except NotSupported:
errors["base"] = "not_supported"
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
return self.async_create_entry(title=info["title"], data=data)
return self.async_show_form(
step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
)
class CannotConnect(HomeAssistantError):
"""Error to indicate we cannot connect."""
class NotSupported(HomeAssistantError):
"""Error to indicate we cannot connect."""