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3.2 KiB
Python

"""Support for OpenEVSE button entities."""
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from typing import Any, override
from openevsehttp.__main__ import OpenEVSE
from homeassistant.components.button import (
ButtonDeviceClass,
ButtonEntity,
ButtonEntityDescription,
)
from homeassistant.const import ATTR_CONNECTIONS, ATTR_SERIAL_NUMBER, EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import DOMAIN
from .coordinator import OpenEVSEConfigEntry, OpenEVSEDataUpdateCoordinator
from .helpers import openevse_exception_handler
PARALLEL_UPDATES = 0
@dataclass(frozen=True, kw_only=True)
class OpenEVSEButtonDescription(ButtonEntityDescription):
"""Describes an OpenEVSE button entity."""
press_fn: Callable[[OpenEVSE], Awaitable[Any]]
BUTTON_TYPES: tuple[OpenEVSEButtonDescription, ...] = (
OpenEVSEButtonDescription(
key="restart_wifi",
translation_key="restart_wifi",
device_class=ButtonDeviceClass.RESTART,
entity_category=EntityCategory.CONFIG,
press_fn=lambda ev: ev.restart_wifi(),
),
OpenEVSEButtonDescription(
key="restart_evse",
translation_key="restart",
device_class=ButtonDeviceClass.RESTART,
entity_category=EntityCategory.CONFIG,
press_fn=lambda ev: ev.restart_evse(),
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: OpenEVSEConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up OpenEVSE buttons based on config entry."""
coordinator = entry.runtime_data
identifier = entry.unique_id or entry.entry_id
async_add_entities(
OpenEVSEButton(coordinator, description, identifier, entry.unique_id)
for description in BUTTON_TYPES
)
class OpenEVSEButton(CoordinatorEntity[OpenEVSEDataUpdateCoordinator], ButtonEntity):
"""Implementation of an OpenEVSE button."""
_attr_has_entity_name = True
entity_description: OpenEVSEButtonDescription
def __init__(
self,
coordinator: OpenEVSEDataUpdateCoordinator,
description: OpenEVSEButtonDescription,
identifier: str,
unique_id: str | None,
) -> None:
"""Initialize the button."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = f"{identifier}-{description.key}"
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, identifier)},
manufacturer="OpenEVSE",
)
if unique_id:
self._attr_device_info[ATTR_CONNECTIONS] = {
(CONNECTION_NETWORK_MAC, unique_id)
}
self._attr_device_info[ATTR_SERIAL_NUMBER] = unique_id
@override
async def async_press(self) -> None:
"""Press the button."""
with openevse_exception_handler(0.0):
await self.entity_description.press_fn(self.coordinator.charger)