core/homeassistant/components/demo/camera.py

79 lines
2.6 KiB
Python

"""Demo camera platform that has a fake camera."""
from __future__ import annotations
from pathlib import Path
from homeassistant.components.camera import Camera, CameraEntityFeature
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up the Demo config entry."""
async_add_entities(
[
DemoCamera("Demo camera", "image/jpg"),
DemoCamera("Demo camera png", "image/png"),
DemoCameraWithoutStream("Demo camera without stream", "image/jpg"),
]
)
class DemoCamera(Camera):
"""The representation of a Demo camera."""
_attr_is_streaming = True
_attr_motion_detection_enabled = False
_attr_supported_features = CameraEntityFeature.ON_OFF | CameraEntityFeature.STREAM
def __init__(self, name: str, content_type: str) -> None:
"""Initialize demo camera component."""
super().__init__()
self._attr_name = name
self.content_type = content_type
self._images_index = 0
async def async_camera_image(
self, width: int | None = None, height: int | None = None
) -> bytes:
"""Return a faked still image response."""
self._images_index = (self._images_index + 1) % 4
ext = "jpg" if self.content_type == "image/jpg" else "png"
image_path = Path(__file__).parent / f"demo_{self._images_index}.{ext}"
return await self.hass.async_add_executor_job(image_path.read_bytes)
async def async_enable_motion_detection(self) -> None:
"""Enable the Motion detection in base station (Arm)."""
self._attr_motion_detection_enabled = True
self.async_write_ha_state()
async def async_disable_motion_detection(self) -> None:
"""Disable the motion detection in base station (Disarm)."""
self._attr_motion_detection_enabled = False
self.async_write_ha_state()
async def async_turn_off(self) -> None:
"""Turn off camera."""
self._attr_is_streaming = False
self._attr_is_on = False
self.async_write_ha_state()
async def async_turn_on(self) -> None:
"""Turn on camera."""
self._attr_is_streaming = True
self._attr_is_on = True
self.async_write_ha_state()
class DemoCameraWithoutStream(DemoCamera):
"""The representation of a Demo camera without stream."""
_attr_supported_features = CameraEntityFeature.ON_OFF