core/homeassistant/components/griddy/config_flow.py

76 lines
2.4 KiB
Python

"""Config flow for Griddy Power integration."""
import asyncio
import logging
from aiohttp import ClientError
from griddypower.async_api import LOAD_ZONES, AsyncGriddy
import voluptuous as vol
from homeassistant import config_entries, core, exceptions
from homeassistant.helpers import aiohttp_client
from .const import CONF_LOADZONE
from .const import DOMAIN # pylint:disable=unused-import
_LOGGER = logging.getLogger(__name__)
DATA_SCHEMA = vol.Schema({vol.Required(CONF_LOADZONE): vol.In(LOAD_ZONES)})
async def validate_input(hass: core.HomeAssistant, data):
"""Validate the user input allows us to connect.
Data has the keys from DATA_SCHEMA with values provided by the user.
"""
client_session = aiohttp_client.async_get_clientsession(hass)
try:
await AsyncGriddy(
client_session, settlement_point=data[CONF_LOADZONE]
).async_getnow()
except (asyncio.TimeoutError, ClientError):
raise CannotConnect
# Return info that you want to store in the config entry.
return {"title": f"Load Zone {data[CONF_LOADZONE]}"}
class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Griddy Power."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
async def async_step_user(self, user_input=None):
"""Handle the initial step."""
errors = {}
info = None
if user_input is not None:
try:
info = await validate_input(self.hass, user_input)
except CannotConnect:
errors["base"] = "cannot_connect"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
if "base" not in errors:
await self.async_set_unique_id(user_input[CONF_LOADZONE])
self._abort_if_unique_id_configured()
return self.async_create_entry(title=info["title"], data=user_input)
return self.async_show_form(
step_id="user", data_schema=DATA_SCHEMA, errors=errors
)
async def async_step_import(self, user_input):
"""Handle import."""
await self.async_set_unique_id(user_input[CONF_LOADZONE])
self._abort_if_unique_id_configured()
return await self.async_step_user(user_input)
class CannotConnect(exceptions.HomeAssistantError):
"""Error to indicate we cannot connect."""