core/homeassistant/components/risco/entity.py

46 lines
1.2 KiB
Python

"""A risco entity base class."""
from homeassistant.helpers.entity import Entity
class RiscoEntity(Entity):
"""Risco entity base class."""
def __init__(self, coordinator):
"""Init the instance."""
self._coordinator = coordinator
@property
def should_poll(self):
"""No need to poll. Coordinator notifies entity of updates."""
return False
@property
def available(self):
"""Return if entity is available."""
return self._coordinator.last_update_success
def _get_data_from_coordinator(self):
raise NotImplementedError
def _refresh_from_coordinator(self):
self._get_data_from_coordinator()
self.async_write_ha_state()
async def async_added_to_hass(self):
"""When entity is added to hass."""
self.async_on_remove(
self._coordinator.async_add_listener(self._refresh_from_coordinator)
)
@property
def _risco(self):
"""Return the Risco API object."""
return self._coordinator.risco
async def async_update(self):
"""Update the entity.
Only used by the generic entity update service.
"""
await self._coordinator.async_request_refresh()