55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
"""Camera entity for PrusaLink."""
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from __future__ import annotations
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from homeassistant.components.camera import Camera
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from . import DOMAIN, JobUpdateCoordinator, PrusaLinkEntity
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up PrusaLink camera."""
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coordinator: JobUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]["job"]
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async_add_entities([PrusaLinkJobPreviewEntity(coordinator)])
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class PrusaLinkJobPreviewEntity(PrusaLinkEntity, Camera):
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"""Defines a PrusaLink camera."""
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last_path = ""
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last_image: bytes
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_attr_translation_key = "job_preview"
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def __init__(self, coordinator: JobUpdateCoordinator) -> None:
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"""Initialize a PrusaLink camera entity."""
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super().__init__(coordinator)
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Camera.__init__(self)
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self._attr_unique_id = f"{self.coordinator.config_entry.entry_id}_job_preview"
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@property
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def available(self) -> bool:
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"""Get if camera is available."""
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return super().available and self.coordinator.data.get("job") is not None
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async def async_camera_image(
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self, width: int | None = None, height: int | None = None
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) -> bytes | None:
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"""Return a still image from the camera."""
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if not self.available:
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return None
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path = self.coordinator.data["job"]["file"]["path"]
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if self.last_path == path:
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return self.last_image
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self.last_image = await self.coordinator.api.get_large_thumbnail(path)
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self.last_path = path
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return self.last_image
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