Files
core/homeassistant/components/alexa_devices/button.py
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102 lines
3.2 KiB
Python

"""Support for buttons."""
from dataclasses import dataclass
from typing import Final, override
from homeassistant.components.button import (
ButtonDeviceClass,
ButtonEntity,
ButtonEntityDescription,
)
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity import EntityDescription
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.util import slugify
from .coordinator import AmazonConfigEntry, AmazonDevicesCoordinator, alexa_api_call
from .entity import AmazonEntity, AmazonServiceEntity
# Coordinator is used to centralize the data updates
PARALLEL_UPDATES = 0
@dataclass(frozen=True, kw_only=True)
class AmazonButtonEntityDescription(ButtonEntityDescription):
"""Amazon Devices button entity description."""
capability: str
DEVICE_BUTTONS: Final = {
AmazonButtonEntityDescription(
key="restart",
device_class=ButtonDeviceClass.RESTART,
entity_category=EntityCategory.CONFIG,
capability="ALEXA_DEVICE_REBOOT",
),
}
async def async_setup_entry(
hass: HomeAssistant,
entry: AmazonConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up button entities for Alexa Devices."""
coordinator = entry.runtime_data
known_routines: set[str] = set()
known_devices: set[str] = set()
def _check_routines_devices() -> None:
current_routines = set(coordinator.api.routines)
new_routines = current_routines - known_routines
if new_routines:
known_routines.update(new_routines)
async_add_entities(
AmazonRoutineButton(coordinator, routine) for routine in new_routines
)
current_devices = set(coordinator.data)
new_devices = current_devices - known_devices
if new_devices:
known_devices.update(new_devices)
async_add_entities(
AmazonDeviceButton(coordinator, serial_num, button_desc)
for button_desc in DEVICE_BUTTONS
for serial_num in new_devices
if button_desc.capability in coordinator.data[serial_num].capabilities
)
_check_routines_devices()
entry.async_on_unload(coordinator.async_add_listener(_check_routines_devices))
class AmazonRoutineButton(AmazonServiceEntity, ButtonEntity):
"""Button entity for Alexa routine."""
def __init__(self, coordinator: AmazonDevicesCoordinator, routine: str) -> None:
"""Initialize the routine button entity."""
self._routine = routine
super().__init__(
coordinator,
EntityDescription(key=slugify(routine), name=routine),
)
@override
async def async_press(self) -> None:
"""Handle button press action."""
async with alexa_api_call(self.coordinator):
await self.coordinator.api.call_routine(self._routine)
class AmazonDeviceButton(AmazonEntity, ButtonEntity):
"""Button entity for Alexa device."""
@override
async def async_press(self) -> None:
"""Handle button press action."""
async with alexa_api_call(self.coordinator):
await self.coordinator.api.restart_device(self.device)