config_flow.py

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"""Config flow for Glances."""
 
from __future__ import annotations
 
from collections.abc import Mapping
from typing import Any
 
from glances_api.exceptions import (
    GlancesApiAuthorizationError,
    GlancesApiConnectionError,
)
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import (
    CONF_HOST,
    CONF_PASSWORD,
    CONF_PORT,
    CONF_SSL,
    CONF_USERNAME,
    CONF_VERIFY_SSL,
)
 
from . import ServerVersionMismatch, get_api
from .const import DEFAULT_HOST, DEFAULT_PORT, DOMAIN
 
DATA_SCHEMA = vol.Schema(
    {
        vol.Required(CONF_HOST, default=DEFAULT_HOST): str,
        vol.Optional(CONF_USERNAME): str,
        vol.Optional(CONF_PASSWORD): str,
        vol.Required(CONF_PORT, default=DEFAULT_PORT): int,
        vol.Optional(CONF_SSL, default=False): bool,
        vol.Optional(CONF_VERIFY_SSL, default=False): bool,
    }
)
 
 
class GlancesFlowHandler(ConfigFlow, domain=DOMAIN):
    """Handle a Glances config flow."""
 
    VERSION = 1
 
    async def async_step_reauth(
        self, entry_data: Mapping[str, Any]
    ) -> ConfigFlowResult:
        """Perform reauth upon an API authentication error."""
        return await self.async_step_reauth_confirmasync_step_reauth_confirm()
 
    async def async_step_reauth_confirm(
        self, user_input: dict[str, str] | None = None
    ) -> ConfigFlowResult:
        """Confirm reauth dialog."""
        errors = {}
 
        reauth_entry = self._get_reauth_entry_get_reauth_entry()
        if user_input is not None:
            user_input = {**reauth_entry.data, **user_input}
            try:
                await get_api(self.hass, user_input)
            except GlancesApiAuthorizationError:
                errors["base"] = "invalid_auth"
            except GlancesApiConnectionError:
                errors["base"] = "cannot_connect"
            else:
                self.hass.config_entries.async_update_entry(
                    reauth_entry, data=user_input
                )
                await self.hass.config_entries.async_reload(reauth_entry.entry_id)
                return self.async_abortasync_abortasync_abort(reason="reauth_successful")
 
        return self.async_show_formasync_show_formasync_show_form(
            description_placeholders={CONF_USERNAME: reauth_entry.data[CONF_USERNAME]},
            step_id="reauth_confirm",
            data_schema=vol.Schema(
                {
                    vol.Required(CONF_PASSWORD): str,
                }
            ),
            errors=errors,
        )
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle the initial step."""
        errors = {}
        if user_input is not None:
            self._async_abort_entries_match_async_abort_entries_match(
                {CONF_HOST: user_input[CONF_HOST], CONF_PORT: user_input[CONF_PORT]}
            )
            try:
                await get_api(self.hass, user_input)
            except GlancesApiAuthorizationError:
                errors["base"] = "invalid_auth"
            except (GlancesApiConnectionError, ServerVersionMismatch):
                errors["base"] = "cannot_connect"
            else:
                return self.async_create_entryasync_create_entryasync_create_entry(
                    title=f"{user_input[CONF_HOST]}:{user_input[CONF_PORT]}",
                    data=user_input,
                )
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user", data_schema=DATA_SCHEMA, errors=errors
        )