115 lines
3.9 KiB
Python
115 lines
3.9 KiB
Python
"""Config flow for Tesla Powerwall integration."""
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import logging
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from tesla_powerwall import (
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AccessDeniedError,
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MissingAttributeError,
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Powerwall,
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PowerwallUnreachableError,
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)
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import voluptuous as vol
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from homeassistant import config_entries, core, exceptions
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from homeassistant.components.dhcp import IP_ADDRESS
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from homeassistant.const import CONF_IP_ADDRESS, CONF_PASSWORD
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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def _login_and_fetch_site_info(power_wall: Powerwall, password: str):
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"""Login to the powerwall and fetch the base info."""
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if password is not None:
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power_wall.login(password)
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power_wall.detect_and_pin_version()
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return power_wall.get_site_info()
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async def validate_input(hass: core.HomeAssistant, data):
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"""Validate the user input allows us to connect.
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Data has the keys from schema with values provided by the user.
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"""
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power_wall = Powerwall(data[CONF_IP_ADDRESS])
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password = data[CONF_PASSWORD]
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try:
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site_info = await hass.async_add_executor_job(
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_login_and_fetch_site_info, power_wall, password
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)
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except MissingAttributeError as err:
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# Only log the exception without the traceback
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_LOGGER.error(str(err))
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raise WrongVersion from err
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# Return info that you want to store in the config entry.
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return {"title": site_info.site_name}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Tesla Powerwall."""
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VERSION = 1
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def __init__(self):
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"""Initialize the powerwall flow."""
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self.ip_address = None
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async def async_step_dhcp(self, discovery_info):
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"""Handle dhcp discovery."""
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self.ip_address = discovery_info[IP_ADDRESS]
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self._async_abort_entries_match({CONF_IP_ADDRESS: self.ip_address})
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self.ip_address = discovery_info[IP_ADDRESS]
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self.context["title_placeholders"] = {CONF_IP_ADDRESS: self.ip_address}
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return await self.async_step_user()
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async def async_step_user(self, user_input=None):
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"""Handle the initial step."""
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errors = {}
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if user_input is not None:
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try:
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info = await validate_input(self.hass, user_input)
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except PowerwallUnreachableError:
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errors[CONF_IP_ADDRESS] = "cannot_connect"
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except WrongVersion:
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errors["base"] = "wrong_version"
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except AccessDeniedError:
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errors[CONF_PASSWORD] = "invalid_auth"
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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if not errors:
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existing_entry = await self.async_set_unique_id(
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user_input[CONF_IP_ADDRESS]
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)
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if existing_entry:
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self.hass.config_entries.async_update_entry(
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existing_entry, data=user_input
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)
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await self.hass.config_entries.async_reload(existing_entry.entry_id)
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return self.async_abort(reason="reauth_successful")
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return self.async_create_entry(title=info["title"], data=user_input)
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema(
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{
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vol.Required(CONF_IP_ADDRESS, default=self.ip_address): str,
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vol.Optional(CONF_PASSWORD): str,
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}
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),
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errors=errors,
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)
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async def async_step_reauth(self, data):
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"""Handle configuration by re-auth."""
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self.ip_address = data[CONF_IP_ADDRESS]
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return await self.async_step_user()
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class WrongVersion(exceptions.HomeAssistantError):
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"""Error to indicate the powerwall uses a software version we cannot interact with."""
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