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66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
"""Support for Velbus devices."""
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from collections.abc import Awaitable, Callable, Coroutine
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from functools import wraps
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from typing import Any, Concatenate, override
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from duotecno.unit import BaseUnit
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.entity import Entity
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from .const import DOMAIN
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class DuotecnoEntity(Entity):
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"""Representation of a Duotecno entity."""
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_attr_should_poll = False
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def __init__(self, unit: BaseUnit) -> None:
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"""Initialize a Duotecno entity."""
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self._unit = unit
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self._attr_name = unit.get_name()
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self._attr_device_info = DeviceInfo(
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identifiers={
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(DOMAIN, str(unit.get_node_address())),
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},
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manufacturer="Duotecno",
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name=unit.get_node_name(),
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)
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self._attr_unique_id = f"{unit.get_node_address()}-{unit.get_number()}"
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@override
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async def async_added_to_hass(self) -> None:
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"""When added to hass."""
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self._unit.on_status_update(self._on_update)
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async def _on_update(self) -> None:
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"""When a unit has an update."""
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self.async_write_ha_state()
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@property
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@override
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def available(self) -> bool:
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"""Available state for the unit."""
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return self._unit.is_available()
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def api_call[_T: DuotecnoEntity, **_P](
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func: Callable[Concatenate[_T, _P], Awaitable[None]],
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) -> Callable[Concatenate[_T, _P], Coroutine[Any, Any, None]]:
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"""Catch command exceptions."""
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@wraps(func)
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async def cmd_wrapper(self: _T, *args: _P.args, **kwargs: _P.kwargs) -> None:
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"""Wrap all command methods."""
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try:
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await func(self, *args, **kwargs)
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except OSError as exc:
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raise HomeAssistantError(
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f"Error calling {func.__name__} on entity {self.entity_id}"
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) from exc
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return cmd_wrapper
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