core/homeassistant/components/dremel_3d_printer/button.py

71 lines
2.1 KiB
Python

"""Support for Dremel 3D Printer buttons."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from dremel3dpy import Dremel3DPrinter
from homeassistant.components.button import ButtonEntity, ButtonEntityDescription
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .coordinator import DremelConfigEntry
from .entity import Dremel3DPrinterEntity
@dataclass(frozen=True, kw_only=True)
class Dremel3DPrinterButtonEntityDescription(ButtonEntityDescription):
"""Describes a Dremel 3D Printer button entity."""
press_fn: Callable[[Dremel3DPrinter], None]
BUTTON_TYPES: tuple[Dremel3DPrinterButtonEntityDescription, ...] = (
Dremel3DPrinterButtonEntityDescription(
key="cancel_job",
translation_key="cancel_job",
press_fn=lambda api: api.stop_print(),
),
Dremel3DPrinterButtonEntityDescription(
key="pause_job",
translation_key="pause_job",
press_fn=lambda api: api.pause_print(),
),
Dremel3DPrinterButtonEntityDescription(
key="resume_job",
translation_key="resume_job",
press_fn=lambda api: api.resume_print(),
),
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: DremelConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Dremel 3D Printer control buttons."""
async_add_entities(
Dremel3DPrinterButtonEntity(config_entry.runtime_data, description)
for description in BUTTON_TYPES
)
class Dremel3DPrinterButtonEntity(Dremel3DPrinterEntity, ButtonEntity):
"""Represent a Dremel 3D Printer button."""
entity_description: Dremel3DPrinterButtonEntityDescription
def press(self) -> None:
"""Handle the button press."""
# api does not care about the current state
try:
self.entity_description.press_fn(self._api)
except RuntimeError as ex:
raise HomeAssistantError(
"An error occurred while submitting command"
) from ex