core/homeassistant/components/powerwall/config_flow.py

115 lines
3.9 KiB
Python

"""Config flow for Tesla Powerwall integration."""
import logging
from tesla_powerwall import (
AccessDeniedError,
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, CONF_PASSWORD
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
def _login_and_fetch_site_info(power_wall: Powerwall, password: str):
"""Login to the powerwall and fetch the base info."""
if password is not None:
power_wall.login(password)
power_wall.detect_and_pin_version()
return power_wall.get_site_info()
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])
password = data[CONF_PASSWORD]
try:
site_info = await hass.async_add_executor_job(
_login_and_fetch_site_info, power_wall, password
)
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
def __init__(self):
"""Initialize the powerwall flow."""
self.ip_address = None
async def async_step_dhcp(self, discovery_info):
"""Handle dhcp discovery."""
self.ip_address = discovery_info[IP_ADDRESS]
self._async_abort_entries_match({CONF_IP_ADDRESS: self.ip_address})
self.ip_address = discovery_info[IP_ADDRESS]
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 PowerwallUnreachableError:
errors[CONF_IP_ADDRESS] = "cannot_connect"
except WrongVersion:
errors["base"] = "wrong_version"
except AccessDeniedError:
errors[CONF_PASSWORD] = "invalid_auth"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
if not errors:
existing_entry = await self.async_set_unique_id(
user_input[CONF_IP_ADDRESS]
)
if existing_entry:
self.hass.config_entries.async_update_entry(
existing_entry, data=user_input
)
await self.hass.config_entries.async_reload(existing_entry.entry_id)
return self.async_abort(reason="reauth_successful")
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,
vol.Optional(CONF_PASSWORD): str,
}
),
errors=errors,
)
async def async_step_reauth(self, data):
"""Handle configuration by re-auth."""
self.ip_address = data[CONF_IP_ADDRESS]
return await self.async_step_user()
class WrongVersion(exceptions.HomeAssistantError):
"""Error to indicate the powerwall uses a software version we cannot interact with."""