core/homeassistant/components/zha/config_flow.py

81 lines
2.5 KiB
Python

"""Config flow for ZHA."""
import asyncio
from collections import OrderedDict
import os
import voluptuous as vol
from homeassistant import config_entries
from .core.const import (
CONF_RADIO_TYPE,
CONF_USB_PATH,
CONTROLLER,
DEFAULT_BAUDRATE,
DEFAULT_DATABASE_NAME,
DOMAIN,
ZHA_GW_RADIO,
RadioType,
)
from .core.registries import RADIO_TYPES
@config_entries.HANDLERS.register(DOMAIN)
class ZhaFlowHandler(config_entries.ConfigFlow):
"""Handle a config flow."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
async def async_step_user(self, user_input=None):
"""Handle a zha config flow start."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
errors = {}
fields = OrderedDict()
fields[vol.Required(CONF_USB_PATH)] = str
fields[vol.Optional(CONF_RADIO_TYPE, default="ezsp")] = vol.In(RadioType.list())
if user_input is not None:
database = os.path.join(self.hass.config.config_dir, DEFAULT_DATABASE_NAME)
test = await check_zigpy_connection(
user_input[CONF_USB_PATH], user_input[CONF_RADIO_TYPE], database
)
if test:
return self.async_create_entry(
title=user_input[CONF_USB_PATH], data=user_input
)
errors["base"] = "cannot_connect"
return self.async_show_form(
step_id="user", data_schema=vol.Schema(fields), errors=errors
)
async def async_step_import(self, import_info):
"""Handle a zha config import."""
if self._async_current_entries():
return self.async_abort(reason="single_instance_allowed")
return self.async_create_entry(
title=import_info[CONF_USB_PATH], data=import_info
)
async def check_zigpy_connection(usb_path, radio_type, database_path):
"""Test zigpy radio connection."""
try:
radio = RADIO_TYPES[radio_type][ZHA_GW_RADIO]()
controller_application = RADIO_TYPES[radio_type][CONTROLLER]
except KeyError:
return False
try:
await radio.connect(usb_path, DEFAULT_BAUDRATE)
controller = controller_application(radio, database_path)
await asyncio.wait_for(controller.startup(auto_form=True), timeout=30)
await controller.shutdown()
except Exception: # pylint: disable=broad-except
return False
return True