jrester 6924192523
Use updated powerwall client API library (#34139)
* Use updated powerwall client API library

* Increase instant_power precision to 3

* Add @jrester as code owner for powerwall
2020-04-13 21:59:50 +02:00

64 lines
2.0 KiB
Python

"""The Tesla Powerwall integration base entity."""
from homeassistant.helpers.entity import Entity
from .const import DOMAIN, MANUFACTURER, MODEL
class PowerWallEntity(Entity):
"""Base class for powerwall entities."""
def __init__(self, coordinator, site_info, status, device_type):
"""Initialize the sensor."""
super().__init__()
self._coordinator = coordinator
self._site_info = site_info
self._device_type = device_type
self._version = status.version
# This group of properties will be unique to to the site
unique_group = (
site_info.utility,
site_info.grid_code,
str(site_info.nominal_system_energy_kWh),
)
self.base_unique_id = "_".join(unique_group)
@property
def device_info(self):
"""Powerwall device info."""
device_info = {
"identifiers": {(DOMAIN, self.base_unique_id)},
"name": self._site_info.site_name,
"manufacturer": MANUFACTURER,
}
model = MODEL
model += f" ({self._device_type.name})"
device_info["model"] = model
device_info["sw_version"] = self._version
return device_info
@property
def available(self):
"""Return True if entity is available."""
return self._coordinator.last_update_success
@property
def should_poll(self):
"""Return False, updates are controlled via coordinator."""
return False
async def async_update(self):
"""Update the entity.
Only used by the generic entity update service.
"""
await self._coordinator.async_request_refresh()
async def async_added_to_hass(self):
"""Subscribe to updates."""
self._coordinator.async_add_listener(self.async_write_ha_state)
async def async_will_remove_from_hass(self):
"""Undo subscription."""
self._coordinator.async_remove_listener(self.async_write_ha_state)