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mirror of https://github.com/home-assistant/core synced 2024-08-28 03:36:46 +02:00
ha-core/homeassistant/components/wemo/entity.py
Erik Montnemery 045c327928
Move DeviceInfo from entity to device registry (#98149)
* Move DeviceInfo from entity to device registry

* Update integrations
2023-08-10 22:04:26 -04:00

92 lines
3.1 KiB
Python

"""Classes shared among Wemo entities."""
from __future__ import annotations
from collections.abc import Generator
import contextlib
import logging
from pywemo.exceptions import ActionException
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .wemo_device import DeviceCoordinator
_LOGGER = logging.getLogger(__name__)
class WemoEntity(CoordinatorEntity[DeviceCoordinator]):
"""Common methods for Wemo entities."""
# Most pyWeMo devices are associated with a single Home Assistant entity. When
# that is not the case, name_suffix & unique_id_suffix can be used to provide
# names and unique ids for additional Home Assistant entities.
_name_suffix: str | None = None
_unique_id_suffix: str | None = None
def __init__(self, coordinator: DeviceCoordinator) -> None:
"""Initialize the WeMo device."""
super().__init__(coordinator)
self.wemo = coordinator.wemo
self._device_info = coordinator.device_info
@property
def name_suffix(self) -> str | None:
"""Suffix to append to the WeMo device name."""
return self._name_suffix
@property
def name(self) -> str:
"""Return the name of the device if any."""
wemo_name: str = self.wemo.name
if suffix := self.name_suffix:
return f"{wemo_name} {suffix}"
return wemo_name
@property
def unique_id_suffix(self) -> str | None:
"""Suffix to append to the WeMo device's unique ID."""
if self._unique_id_suffix is None and self.name_suffix is not None:
return self.name_suffix.lower()
return self._unique_id_suffix
@property
def unique_id(self) -> str:
"""Return the id of this WeMo device."""
serial_number: str = self.wemo.serial_number
if suffix := self.unique_id_suffix:
return f"{serial_number}_{suffix}"
return serial_number
@property
def device_info(self) -> DeviceInfo:
"""Return the device info."""
return self._device_info
@contextlib.contextmanager
def _wemo_call_wrapper(self, message: str) -> Generator[None, None, None]:
"""Wrap calls to the device that change its state.
1. Takes care of making available=False when communications with the
device fails.
2. Ensures all entities sharing the same coordinator are aware of
updates to the device state.
"""
try:
yield
except ActionException as err:
_LOGGER.warning("Could not %s for %s (%s)", message, self.name, err)
self.coordinator.last_exception = err
self.coordinator.last_update_success = False # Used for self.available.
finally:
self.hass.add_job(self.coordinator.async_update_listeners)
class WemoBinaryStateEntity(WemoEntity):
"""Base for devices that return on/off state via device.get_state()."""
@property
def is_on(self) -> bool:
"""Return true if the state is on."""
return self.wemo.get_state() != 0