83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
"""Support for ESPHome cameras."""
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import asyncio
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import logging
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from typing import Optional
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from aioesphomeapi import CameraInfo, CameraState
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from homeassistant.components import camera
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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.helpers.typing import HomeAssistantType
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from . import EsphomeEntity, platform_async_setup_entry
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistantType, entry: ConfigEntry, async_add_entities
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) -> None:
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"""Set up esphome cameras based on a config entry."""
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await platform_async_setup_entry(
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hass,
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entry,
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async_add_entities,
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component_key="camera",
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info_type=CameraInfo,
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entity_type=EsphomeCamera,
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state_type=CameraState,
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)
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class EsphomeCamera(Camera, EsphomeEntity):
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"""A camera implementation for ESPHome."""
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def __init__(self, entry_id: str, component_key: str, key: int):
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"""Initialize."""
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Camera.__init__(self)
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EsphomeEntity.__init__(self, entry_id, component_key, key)
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self._image_cond = asyncio.Condition()
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@property
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def _static_info(self) -> CameraInfo:
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return super()._static_info
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@property
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def _state(self) -> Optional[CameraState]:
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return super()._state
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async def _on_state_update(self) -> None:
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"""Notify listeners of new image when update arrives."""
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await super()._on_state_update()
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async with self._image_cond:
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self._image_cond.notify_all()
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async def async_camera_image(self) -> Optional[bytes]:
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"""Return single camera image bytes."""
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if not self.available:
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return None
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await self._client.request_single_image()
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async with self._image_cond:
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await self._image_cond.wait()
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if not self.available:
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return None
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return self._state.image[:]
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async def _async_camera_stream_image(self) -> Optional[bytes]:
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"""Return a single camera image in a stream."""
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if not self.available:
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return None
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await self._client.request_image_stream()
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async with self._image_cond:
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await self._image_cond.wait()
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if not self.available:
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return None
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return self._state.image[:]
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async def handle_async_mjpeg_stream(self, request):
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"""Serve an HTTP MJPEG stream from the camera."""
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return await camera.async_get_still_stream(
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request, self._async_camera_stream_image, camera.DEFAULT_CONTENT_TYPE, 0.0
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)
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