mirror of https://github.com/home-assistant/core
70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
"""Demo image platform."""
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from __future__ import annotations
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from pathlib import Path
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from homeassistant.components.image import ImageEntity
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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 homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from homeassistant.util import dt as dt_util
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up image entities."""
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async_add_entities(
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[
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DemoImage(
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hass,
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"kitchen_sink_image_001",
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"QR Code",
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"image/png",
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"qr_code.png",
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),
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]
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the Everything but the Kitchen Sink config entry."""
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await async_setup_platform(hass, {}, async_add_entities)
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class DemoImage(ImageEntity):
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"""Representation of an image entity."""
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def __init__(
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self,
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hass: HomeAssistant,
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unique_id: str,
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name: str,
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content_type: str,
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image: str,
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) -> None:
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"""Initialize the image entity."""
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super().__init__(hass)
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self._attr_content_type = content_type
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self._attr_name = name
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self._attr_unique_id = unique_id
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self._image_filename = image
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async def async_added_to_hass(self):
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"""Set the update time."""
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self._attr_image_last_updated = dt_util.utcnow()
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async def async_image(self) -> bytes | None:
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"""Return bytes of image."""
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image_path = Path(__file__).parent / self._image_filename
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return await self.hass.async_add_executor_job(image_path.read_bytes)
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