161 lines
4.9 KiB
Python
161 lines
4.9 KiB
Python
"""This component provides support to the Ring Door Bell camera."""
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import asyncio
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from datetime import timedelta
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from itertools import chain
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import logging
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from haffmpeg.camera import CameraMjpeg
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from haffmpeg.tools import IMAGE_JPEG, ImageFrame
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import requests
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from homeassistant.components.camera import Camera
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from homeassistant.components.ffmpeg import DATA_FFMPEG
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from homeassistant.const import ATTR_ATTRIBUTION
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from homeassistant.core import callback
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from homeassistant.helpers.aiohttp_client import async_aiohttp_proxy_stream
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from homeassistant.util import dt as dt_util
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from . import ATTRIBUTION, DOMAIN
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from .entity import RingEntityMixin
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FORCE_REFRESH_INTERVAL = timedelta(minutes=45)
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up a Ring Door Bell and StickUp Camera."""
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devices = hass.data[DOMAIN][config_entry.entry_id]["devices"]
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cams = []
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for camera in chain(
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devices["doorbots"], devices["authorized_doorbots"], devices["stickup_cams"]
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):
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if not camera.has_subscription:
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continue
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cams.append(RingCam(config_entry.entry_id, hass.data[DATA_FFMPEG], camera))
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async_add_entities(cams)
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class RingCam(RingEntityMixin, Camera):
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"""An implementation of a Ring Door Bell camera."""
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def __init__(self, config_entry_id, ffmpeg, device):
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"""Initialize a Ring Door Bell camera."""
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super().__init__(config_entry_id, device)
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self._name = self._device.name
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self._ffmpeg = ffmpeg
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self._last_event = None
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self._last_video_id = None
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self._video_url = None
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self._expires_at = dt_util.utcnow() - FORCE_REFRESH_INTERVAL
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async def async_added_to_hass(self):
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"""Register callbacks."""
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await super().async_added_to_hass()
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await self.ring_objects["history_data"].async_track_device(
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self._device, self._history_update_callback
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)
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async def async_will_remove_from_hass(self):
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"""Disconnect callbacks."""
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await super().async_will_remove_from_hass()
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self.ring_objects["history_data"].async_untrack_device(
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self._device, self._history_update_callback
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)
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@callback
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def _history_update_callback(self, history_data):
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"""Call update method."""
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if history_data:
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self._last_event = history_data[0]
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self.async_schedule_update_ha_state(True)
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else:
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self._last_event = None
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self._last_video_id = None
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self._video_url = None
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self._expires_at = dt_util.utcnow()
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self.async_write_ha_state()
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@property
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def name(self):
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"""Return the name of this camera."""
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return self._name
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@property
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def unique_id(self):
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"""Return a unique ID."""
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return self._device.id
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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return {
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ATTR_ATTRIBUTION: ATTRIBUTION,
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"video_url": self._video_url,
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"last_video_id": self._last_video_id,
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}
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async def async_camera_image(self):
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"""Return a still image response from the camera."""
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ffmpeg = ImageFrame(self._ffmpeg.binary, loop=self.hass.loop)
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if self._video_url is None:
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return
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image = await asyncio.shield(
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ffmpeg.get_image(self._video_url, output_format=IMAGE_JPEG,)
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)
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return image
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async def handle_async_mjpeg_stream(self, request):
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"""Generate an HTTP MJPEG stream from the camera."""
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if self._video_url is None:
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return
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stream = CameraMjpeg(self._ffmpeg.binary, loop=self.hass.loop)
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await stream.open_camera(self._video_url)
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try:
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stream_reader = await stream.get_reader()
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return await async_aiohttp_proxy_stream(
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self.hass,
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request,
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stream_reader,
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self._ffmpeg.ffmpeg_stream_content_type,
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)
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finally:
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await stream.close()
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async def async_update(self):
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"""Update camera entity and refresh attributes."""
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if self._last_event is None:
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return
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if self._last_event["recording"]["status"] != "ready":
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return
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utcnow = dt_util.utcnow()
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if self._last_video_id == self._last_event["id"] and utcnow <= self._expires_at:
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return
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try:
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video_url = await self.hass.async_add_executor_job(
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self._device.recording_url, self._last_event["id"]
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)
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except requests.Timeout:
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_LOGGER.warning(
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"Time out fetching recording url for camera %s", self.entity_id
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)
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video_url = None
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if video_url:
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self._last_video_id = self._last_event["id"]
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self._video_url = video_url
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self._expires_at = FORCE_REFRESH_INTERVAL + utcnow
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