core/homeassistant/components/sms/config_flow.py

88 lines
2.7 KiB
Python

"""Config flow for SMS integration."""
import logging
from typing import Any
import gammu
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_DEVICE
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import selector
from .const import CONF_BAUD_SPEED, DEFAULT_BAUD_SPEED, DEFAULT_BAUD_SPEEDS, DOMAIN
from .gateway import create_sms_gateway
_LOGGER = logging.getLogger(__name__)
DATA_SCHEMA = vol.Schema(
{
vol.Required(CONF_DEVICE): str,
vol.Optional(CONF_BAUD_SPEED, default=DEFAULT_BAUD_SPEED): selector.selector(
{"select": {"options": DEFAULT_BAUD_SPEEDS}}
),
}
)
async def get_imei_from_config(hass: HomeAssistant, data: dict[str, Any]) -> str:
"""Validate the user input allows us to connect.
Data has the keys from DATA_SCHEMA with values provided by the user.
"""
device = data[CONF_DEVICE]
connection_mode = "at"
baud_speed = data.get(CONF_BAUD_SPEED, DEFAULT_BAUD_SPEED)
if baud_speed != DEFAULT_BAUD_SPEED:
connection_mode += baud_speed
config = {"Device": device, "Connection": connection_mode}
gateway = await create_sms_gateway(config, hass)
if not gateway:
raise CannotConnect
try:
imei = await gateway.get_imei_async()
except gammu.GSMError as err:
raise CannotConnect from err
finally:
await gateway.terminate_async()
# Return info that you want to store in the config entry.
return imei
class SMSFlowHandler(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for SMS integration."""
VERSION = 1
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
errors = {}
if user_input is not None:
try:
imei = await get_imei_from_config(self.hass, user_input)
except CannotConnect:
errors["base"] = "cannot_connect"
except Exception:
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
if not errors:
await self.async_set_unique_id(imei)
self._abort_if_unique_id_configured()
return self.async_create_entry(title=imei, data=user_input)
return self.async_show_form(
step_id="user", data_schema=DATA_SCHEMA, errors=errors
)
class CannotConnect(HomeAssistantError):
"""Error to indicate we cannot connect."""