mirror of
https://github.com/home-assistant/core.git
synced 2026-08-05 04:48:51 +01:00
Abílio Costa
70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
"""Camera entity for PrusaLink."""
|
|
|
|
from dataclasses import dataclass
|
|
from typing import override
|
|
|
|
from pyprusalink.types import PrinterState
|
|
|
|
from homeassistant.components.camera import Camera, CameraEntityDescription
|
|
from homeassistant.core import HomeAssistant
|
|
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
|
|
|
|
from .coordinator import PrusaLinkConfigEntry, PrusaLinkUpdateCoordinator
|
|
from .entity import PrusaLinkEntity, PrusaLinkEntityDescription
|
|
|
|
|
|
@dataclass(frozen=True, kw_only=True)
|
|
class PrusaLinkCameraEntityDescription(
|
|
CameraEntityDescription, PrusaLinkEntityDescription
|
|
):
|
|
"""Describes PrusaLink camera entity."""
|
|
|
|
|
|
async def async_setup_entry(
|
|
hass: HomeAssistant,
|
|
entry: PrusaLinkConfigEntry,
|
|
async_add_entities: AddConfigEntryEntitiesCallback,
|
|
) -> None:
|
|
"""Set up PrusaLink camera."""
|
|
coordinator = entry.runtime_data["job"]
|
|
async_add_entities([PrusaLinkJobPreviewEntity(coordinator)])
|
|
|
|
|
|
class PrusaLinkJobPreviewEntity(PrusaLinkEntity, Camera):
|
|
"""Defines a PrusaLink camera."""
|
|
|
|
entity_description = PrusaLinkCameraEntityDescription(
|
|
key="job_preview",
|
|
translation_key="job_preview",
|
|
available_fn=lambda data: bool(
|
|
data.get("state") != PrinterState.IDLE.value
|
|
and (file := data.get("file"))
|
|
and file.get("refs", {}).get("thumbnail")
|
|
),
|
|
)
|
|
last_path = ""
|
|
last_image: bytes
|
|
|
|
def __init__(self, coordinator: PrusaLinkUpdateCoordinator) -> None:
|
|
"""Initialize a PrusaLink camera entity."""
|
|
super().__init__(coordinator)
|
|
Camera.__init__(self)
|
|
self._attr_unique_id = f"{self.coordinator.config_entry.entry_id}_job_preview"
|
|
|
|
@override
|
|
async def async_camera_image(
|
|
self, width: int | None = None, height: int | None = None
|
|
) -> bytes | None:
|
|
"""Return a still image from the camera."""
|
|
if not self.available:
|
|
return None
|
|
|
|
path = self.coordinator.data["file"]["refs"]["thumbnail"]
|
|
|
|
if self.last_path == path:
|
|
return self.last_image
|
|
|
|
self.last_image = await self.coordinator.api.get_file(path)
|
|
self.last_path = path
|
|
return self.last_image
|