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