core/homeassistant/components/bryant_evolution/config_flow.py

83 lines
2.8 KiB
Python

"""Config flow for Bryant Evolution integration."""
from __future__ import annotations
import logging
from typing import Any
from evolutionhttp import BryantEvolutionLocalClient
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_FILENAME
from .const import CONF_SYSTEM_ZONE, DOMAIN
_LOGGER = logging.getLogger(__name__)
STEP_USER_DATA_SCHEMA = vol.Schema(
{
vol.Required(CONF_FILENAME, default="/dev/ttyUSB0"): str,
}
)
async def _enumerate_sz(tty: str) -> list[tuple[int, int]]:
"""Return (system, zone) tuples for each system+zone accessible through tty."""
return [
(system_id, zone.zone_id)
for system_id in (1, 2)
for zone in await BryantEvolutionLocalClient.enumerate_zones(system_id, tty)
]
class BryantConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Bryant Evolution."""
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
errors: dict[str, str] = {}
if user_input is not None:
try:
system_zone = await _enumerate_sz(user_input[CONF_FILENAME])
except FileNotFoundError:
_LOGGER.error("Could not open %s: not found", user_input[CONF_FILENAME])
errors["base"] = "cannot_connect"
else:
if len(system_zone) != 0:
return self.async_create_entry(
title=f"SAM at {user_input[CONF_FILENAME]}",
data={
CONF_FILENAME: user_input[CONF_FILENAME],
CONF_SYSTEM_ZONE: system_zone,
},
)
errors["base"] = "cannot_connect"
return self.async_show_form(
step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
)
async def async_step_reconfigure(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle integration reconfiguration."""
errors: dict[str, str] = {}
if user_input is not None:
system_zone = await _enumerate_sz(user_input[CONF_FILENAME])
if len(system_zone) != 0:
return self.async_update_reload_and_abort(
self._get_reconfigure_entry(),
data={
CONF_FILENAME: user_input[CONF_FILENAME],
CONF_SYSTEM_ZONE: system_zone,
},
)
errors["base"] = "cannot_connect"
return self.async_show_form(
step_id="reconfigure",
data_schema=STEP_USER_DATA_SCHEMA,
errors=errors,
)