core/homeassistant/components/reolink/camera.py

155 lines
4.9 KiB
Python

"""Component providing support for Reolink IP cameras."""
from __future__ import annotations
from dataclasses import dataclass
import logging
from reolink_aio.api import DUAL_LENS_MODELS
from reolink_aio.exceptions import ReolinkError
from homeassistant.components.camera import (
Camera,
CameraEntityDescription,
CameraEntityFeature,
)
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .entity import ReolinkChannelCoordinatorEntity, ReolinkChannelEntityDescription
from .util import ReolinkConfigEntry, ReolinkData
_LOGGER = logging.getLogger(__name__)
PARALLEL_UPDATES = 0
@dataclass(frozen=True, kw_only=True)
class ReolinkCameraEntityDescription(
CameraEntityDescription,
ReolinkChannelEntityDescription,
):
"""A class that describes camera entities for a camera channel."""
stream: str
CAMERA_ENTITIES = (
ReolinkCameraEntityDescription(
key="sub",
stream="sub",
translation_key="sub",
),
ReolinkCameraEntityDescription(
key="main",
stream="main",
translation_key="main",
entity_registry_enabled_default=False,
),
ReolinkCameraEntityDescription(
key="snapshots_sub",
stream="snapshots_sub",
translation_key="snapshots_sub",
entity_registry_enabled_default=False,
),
ReolinkCameraEntityDescription(
key="snapshots",
stream="snapshots_main",
translation_key="snapshots_main",
entity_registry_enabled_default=False,
),
ReolinkCameraEntityDescription(
key="ext",
stream="ext",
translation_key="ext",
supported=lambda api, ch: api.protocol in ["rtmp", "flv"],
entity_registry_enabled_default=False,
),
ReolinkCameraEntityDescription(
key="autotrack_sub",
stream="autotrack_sub",
translation_key="autotrack_sub",
supported=lambda api, ch: api.supported(ch, "autotrack_stream"),
),
ReolinkCameraEntityDescription(
key="autotrack_snapshots_sub",
stream="autotrack_snapshots_sub",
translation_key="autotrack_snapshots_sub",
supported=lambda api, ch: api.supported(ch, "autotrack_stream"),
entity_registry_enabled_default=False,
),
ReolinkCameraEntityDescription(
key="autotrack_snapshots_main",
stream="autotrack_snapshots_main",
translation_key="autotrack_snapshots_main",
supported=lambda api, ch: api.supported(ch, "autotrack_stream"),
entity_registry_enabled_default=False,
),
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ReolinkConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up a Reolink IP Camera."""
reolink_data: ReolinkData = config_entry.runtime_data
entities: list[ReolinkCamera] = []
for entity_description in CAMERA_ENTITIES:
for channel in reolink_data.host.api.stream_channels:
if not entity_description.supported(reolink_data.host.api, channel):
continue
stream_url = await reolink_data.host.api.get_stream_source(
channel, entity_description.stream
)
if stream_url is None and "snapshots" not in entity_description.stream:
continue
entities.append(ReolinkCamera(reolink_data, channel, entity_description))
async_add_entities(entities)
class ReolinkCamera(ReolinkChannelCoordinatorEntity, Camera):
"""An implementation of a Reolink IP camera."""
entity_description: ReolinkCameraEntityDescription
def __init__(
self,
reolink_data: ReolinkData,
channel: int,
entity_description: ReolinkCameraEntityDescription,
) -> None:
"""Initialize Reolink camera stream."""
self.entity_description = entity_description
ReolinkChannelCoordinatorEntity.__init__(self, reolink_data, channel)
Camera.__init__(self)
if "snapshots" not in entity_description.stream:
self._attr_supported_features = CameraEntityFeature.STREAM
if self._host.api.model in DUAL_LENS_MODELS:
self._attr_translation_key = (
f"{entity_description.translation_key}_lens_{self._channel}"
)
async def stream_source(self) -> str | None:
"""Return the source of the stream."""
return await self._host.api.get_stream_source(
self._channel, self.entity_description.stream
)
async def async_camera_image(
self, width: int | None = None, height: int | None = None
) -> bytes | None:
"""Return a still image response from the camera."""
try:
return await self._host.api.get_snapshot(
self._channel, self.entity_description.stream
)
except ReolinkError as err:
raise HomeAssistantError(err) from err