core/homeassistant/components/netgear_lte/entity.py

42 lines
1.2 KiB
Python

"""Entity representing a Netgear LTE entity."""
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity import Entity
from . import ModemData
from .const import DISPATCHER_NETGEAR_LTE
class LTEEntity(Entity):
"""Base LTE entity."""
_attr_should_poll = False
def __init__(
self,
modem_data: ModemData,
sensor_type: str,
) -> None:
"""Initialize a Netgear LTE entity."""
self.modem_data = modem_data
self.sensor_type = sensor_type
self._attr_name = f"Netgear LTE {sensor_type}"
self._attr_unique_id = f"{sensor_type}_{modem_data.data.serial_number}"
async def async_added_to_hass(self) -> None:
"""Register callback."""
self.async_on_remove(
async_dispatcher_connect(
self.hass, DISPATCHER_NETGEAR_LTE, self.async_write_ha_state
)
)
async def async_update(self) -> None:
"""Force update of state."""
await self.modem_data.async_update()
@property
def available(self) -> bool:
"""Return the availability of the sensor."""
return self.modem_data.data is not None