117 lines
3.5 KiB
Python
117 lines
3.5 KiB
Python
"""Config flow for PrusaLink integration."""
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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
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from aiohttp import ClientError
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from awesomeversion import AwesomeVersion, AwesomeVersionException
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from pyprusalink import PrusaLink
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from pyprusalink.types import InvalidAuth
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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 CONF_HOST, CONF_PASSWORD, CONF_USERNAME
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from homeassistant.core import HomeAssistant
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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STEP_USER_DATA_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_HOST): str,
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# "maker" is currently hardcoded in the firmware
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# https://github.com/prusa3d/Prusa-Firmware-Buddy/blob/bfb0ffc745ee6546e7efdba618d0e7c0f4c909cd/lib/WUI/wui_api.h#L19
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vol.Required(CONF_USERNAME, default="maker"): str,
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vol.Required(CONF_PASSWORD): str,
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}
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)
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async def validate_input(hass: HomeAssistant, data: dict[str, str]) -> dict[str, str]:
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"""Validate the user input allows us to connect.
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Data has the keys from STEP_USER_DATA_SCHEMA with values provided by the user.
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"""
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api = PrusaLink(
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async_get_clientsession(hass),
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data[CONF_HOST],
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data[CONF_USERNAME],
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data[CONF_PASSWORD],
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)
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try:
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async with asyncio.timeout(5):
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version = await api.get_version()
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except (asyncio.TimeoutError, ClientError) as err:
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_LOGGER.error("Could not connect to PrusaLink: %s", err)
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raise CannotConnect from err
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try:
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if AwesomeVersion(version["api"]) < AwesomeVersion("2.0.0"):
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raise NotSupported
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except AwesomeVersionException as err:
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raise NotSupported from err
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return {"title": version["hostname"] or version["text"]}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for PrusaLink."""
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VERSION = 1
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MINOR_VERSION = 2
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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 the initial step."""
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if user_input is None:
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return self.async_show_form(
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step_id="user", data_schema=STEP_USER_DATA_SCHEMA
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)
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host = user_input[CONF_HOST].rstrip("/")
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if not host.startswith(("http://", "https://")):
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host = f"http://{host}"
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data = {
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CONF_HOST: host,
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CONF_USERNAME: user_input[CONF_USERNAME],
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CONF_PASSWORD: user_input[CONF_PASSWORD],
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}
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errors = {}
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try:
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info = await validate_input(self.hass, data)
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except CannotConnect:
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errors["base"] = "cannot_connect"
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except NotSupported:
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errors["base"] = "not_supported"
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except InvalidAuth:
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errors["base"] = "invalid_auth"
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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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return self.async_create_entry(title=info["title"], data=data)
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return self.async_show_form(
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step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
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)
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class CannotConnect(HomeAssistantError):
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"""Error to indicate we cannot connect."""
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class NotSupported(HomeAssistantError):
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"""Error to indicate we cannot connect."""
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