85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
"""Classes shared among Wemo entities."""
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from __future__ import annotations
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from collections.abc import Generator
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import contextlib
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import logging
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from pywemo.exceptions import ActionException
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from homeassistant.core import callback
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .wemo_device import DeviceCoordinator
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_LOGGER = logging.getLogger(__name__)
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class WemoEntity(CoordinatorEntity):
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"""Common methods for Wemo entities."""
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# Most pyWeMo devices are associated with a single Home Assistant entity. When
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# that is not the case, name_suffix & unique_id_suffix can be used to provide
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# names and unique ids for additional Home Assistant entities.
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_name_suffix: str | None = None
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_unique_id_suffix: str | None = None
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def __init__(self, coordinator: DeviceCoordinator) -> None:
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"""Initialize the WeMo device."""
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super().__init__(coordinator)
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self.wemo = coordinator.wemo
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self._device_info = coordinator.device_info
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self._available = True
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@property
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def name_suffix(self):
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"""Suffix to append to the WeMo device name."""
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return self._name_suffix
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@property
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def name(self) -> str:
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"""Return the name of the device if any."""
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if suffix := self.name_suffix:
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return f"{self.wemo.name} {suffix}"
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return self.wemo.name
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@property
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def available(self) -> bool:
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"""Return true if the device is available."""
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return super().available and self._available
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@property
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def unique_id_suffix(self):
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"""Suffix to append to the WeMo device's unique ID."""
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if self._unique_id_suffix is None and self.name_suffix is not None:
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return self._name_suffix.lower()
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return self._unique_id_suffix
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@property
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def unique_id(self) -> str:
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"""Return the id of this WeMo device."""
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if suffix := self.unique_id_suffix:
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return f"{self.wemo.serialnumber}_{suffix}"
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return self.wemo.serialnumber
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@property
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def device_info(self) -> DeviceInfo:
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"""Return the device info."""
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return self._device_info
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@callback
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def _handle_coordinator_update(self) -> None:
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"""Handle updated data from the coordinator."""
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self._available = True
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super()._handle_coordinator_update()
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@contextlib.contextmanager
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def _wemo_exception_handler(self, message: str) -> Generator[None, None, None]:
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"""Wrap device calls to set `_available` when wemo exceptions happen."""
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try:
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yield
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except ActionException as err:
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_LOGGER.warning("Could not %s for %s (%s)", message, self.name, err)
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self._available = False
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