core/homeassistant/components/powerwall/config_flow.py

101 lines
3.5 KiB
Python

"""Config flow for Tesla Powerwall integration."""
import logging
from tesla_powerwall import MissingAttributeError, Powerwall, PowerwallUnreachableError
import voluptuous as vol
from homeassistant import config_entries, core, exceptions
from homeassistant.components.dhcp import IP_ADDRESS
from homeassistant.const import CONF_IP_ADDRESS
from homeassistant.core import callback
from .const import DOMAIN # pylint:disable=unused-import
_LOGGER = logging.getLogger(__name__)
async def validate_input(hass: core.HomeAssistant, data):
"""Validate the user input allows us to connect.
Data has the keys from schema with values provided by the user.
"""
power_wall = Powerwall(data[CONF_IP_ADDRESS])
try:
await hass.async_add_executor_job(power_wall.detect_and_pin_version)
site_info = await hass.async_add_executor_job(power_wall.get_site_info)
except PowerwallUnreachableError as err:
raise CannotConnect from err
except MissingAttributeError as err:
# Only log the exception without the traceback
_LOGGER.error(str(err))
raise WrongVersion from err
# Return info that you want to store in the config entry.
return {"title": site_info.site_name}
class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Tesla Powerwall."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
def __init__(self):
"""Initialize the powerwall flow."""
self.ip_address = None
async def async_step_dhcp(self, dhcp_discovery):
"""Handle dhcp discovery."""
if self._async_ip_address_already_configured(dhcp_discovery[IP_ADDRESS]):
return self.async_abort(reason="already_configured")
self.ip_address = dhcp_discovery[IP_ADDRESS]
# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
self.context["title_placeholders"] = {CONF_IP_ADDRESS: self.ip_address}
return await self.async_step_user()
async def async_step_user(self, user_input=None):
"""Handle the initial step."""
errors = {}
if user_input is not None:
try:
info = await validate_input(self.hass, user_input)
except CannotConnect:
errors["base"] = "cannot_connect"
except WrongVersion:
errors["base"] = "wrong_version"
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_IP_ADDRESS])
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=vol.Schema(
{vol.Required(CONF_IP_ADDRESS, default=self.ip_address): str}
),
errors=errors,
)
@callback
def _async_ip_address_already_configured(self, ip_address):
"""See if we already have an entry matching the ip_address."""
for entry in self._async_current_entries():
if entry.data.get(CONF_IP_ADDRESS) == ip_address:
return True
return False
class CannotConnect(exceptions.HomeAssistantError):
"""Error to indicate we cannot connect."""
class WrongVersion(exceptions.HomeAssistantError):
"""Error to indicate the powerwall uses a software version we cannot interact with."""