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63 lines
2.3 KiB
Python
63 lines
2.3 KiB
Python
"""Base class for AirGradient entities."""
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from collections.abc import Callable, Coroutine
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from typing import Any, Concatenate
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from airgradient import AirGradientConnectionError, AirGradientError, get_model_name
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers import device_registry as dr
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .const import DOMAIN
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from .coordinator import AirGradientCoordinator
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class AirGradientEntity(CoordinatorEntity[AirGradientCoordinator]):
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"""Defines a base AirGradient entity."""
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_attr_has_entity_name = True
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def __init__(self, coordinator: AirGradientCoordinator) -> None:
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"""Initialize airgradient entity."""
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super().__init__(coordinator)
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measures = coordinator.data.measures
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, coordinator.serial_number)},
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manufacturer="AirGradient",
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model=get_model_name(measures.model),
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model_id=measures.model,
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serial_number=coordinator.serial_number,
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sw_version=measures.firmware_version,
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connections={(dr.CONNECTION_NETWORK_MAC, coordinator.serial_number)},
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)
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def exception_handler[_EntityT: AirGradientEntity, **_P](
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func: Callable[Concatenate[_EntityT, _P], Coroutine[Any, Any, Any]],
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) -> Callable[Concatenate[_EntityT, _P], Coroutine[Any, Any, None]]:
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"""Decorate AirGradient calls to handle exceptions.
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A decorator that wraps the passed in function, catches AirGradient errors.
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"""
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async def handler(self: _EntityT, *args: _P.args, **kwargs: _P.kwargs) -> None:
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try:
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await func(self, *args, **kwargs)
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except AirGradientConnectionError as error:
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raise HomeAssistantError(
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translation_domain=DOMAIN,
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translation_key="communication_error",
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translation_placeholders={"error": str(error)},
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) from error
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except AirGradientError as error:
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raise HomeAssistantError(
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translation_domain=DOMAIN,
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translation_key="unknown_error",
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translation_placeholders={"error": str(error)},
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) from error
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return handler
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