101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
"""Config flow for Tesla Powerwall integration."""
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import logging
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from tesla_powerwall import MissingAttributeError, Powerwall, PowerwallUnreachableError
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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
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from homeassistant.core import callback
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from .const import DOMAIN # pylint:disable=unused-import
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_LOGGER = logging.getLogger(__name__)
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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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try:
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await hass.async_add_executor_job(power_wall.detect_and_pin_version)
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site_info = await hass.async_add_executor_job(power_wall.get_site_info)
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except PowerwallUnreachableError as err:
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raise CannotConnect from err
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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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CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
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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, dhcp_discovery):
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"""Handle dhcp discovery."""
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if self._async_ip_address_already_configured(dhcp_discovery[IP_ADDRESS]):
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return self.async_abort(reason="already_configured")
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self.ip_address = dhcp_discovery[IP_ADDRESS]
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# pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
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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 CannotConnect:
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errors["base"] = "cannot_connect"
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except WrongVersion:
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errors["base"] = "wrong_version"
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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 "base" not in errors:
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await self.async_set_unique_id(user_input[CONF_IP_ADDRESS])
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self._abort_if_unique_id_configured()
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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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{vol.Required(CONF_IP_ADDRESS, default=self.ip_address): str}
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),
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errors=errors,
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)
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@callback
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def _async_ip_address_already_configured(self, ip_address):
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"""See if we already have an entry matching the ip_address."""
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for entry in self._async_current_entries():
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if entry.data.get(CONF_IP_ADDRESS) == ip_address:
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return True
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return False
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class CannotConnect(exceptions.HomeAssistantError):
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"""Error to indicate we cannot connect."""
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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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