155 lines
5.0 KiB
Python
155 lines
5.0 KiB
Python
"""Support for Xiaomi Cameras (HiSilicon Hi3518e V200)."""
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import asyncio
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import logging
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from aioftp import Client, StatusCodeError
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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 voluptuous as vol
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from homeassistant.components.camera import PLATFORM_SCHEMA, Camera
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from homeassistant.components.ffmpeg import DATA_FFMPEG
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from homeassistant.const import (
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CONF_HOST,
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CONF_NAME,
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CONF_PASSWORD,
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CONF_PATH,
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CONF_PORT,
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CONF_USERNAME,
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)
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from homeassistant.exceptions import PlatformNotReady
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers.aiohttp_client import async_aiohttp_proxy_stream
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_BRAND = "YI Home Camera"
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DEFAULT_PASSWORD = ""
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DEFAULT_PATH = "/tmp/sd/record" # nosec
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DEFAULT_PORT = 21
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DEFAULT_USERNAME = "root"
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DEFAULT_ARGUMENTS = "-pred 1"
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CONF_FFMPEG_ARGUMENTS = "ffmpeg_arguments"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_NAME): cv.string,
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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vol.Optional(CONF_PATH, default=DEFAULT_PATH): cv.string,
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vol.Optional(CONF_USERNAME, default=DEFAULT_USERNAME): cv.string,
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vol.Required(CONF_PASSWORD): cv.string,
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vol.Optional(CONF_FFMPEG_ARGUMENTS, default=DEFAULT_ARGUMENTS): cv.string,
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}
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)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up a Yi Camera."""
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async_add_entities([YiCamera(hass, config)], True)
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class YiCamera(Camera):
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"""Define an implementation of a Yi Camera."""
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def __init__(self, hass, config):
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"""Initialize."""
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super().__init__()
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self._extra_arguments = config.get(CONF_FFMPEG_ARGUMENTS)
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self._last_image = None
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self._last_url = None
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self._manager = hass.data[DATA_FFMPEG]
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self._name = config[CONF_NAME]
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self._is_on = True
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self.host = config[CONF_HOST]
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self.port = config[CONF_PORT]
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self.path = config[CONF_PATH]
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self.user = config[CONF_USERNAME]
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self.passwd = config[CONF_PASSWORD]
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@property
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def brand(self):
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"""Camera brand."""
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return DEFAULT_BRAND
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@property
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def is_on(self):
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"""Determine whether the camera is on."""
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return self._is_on
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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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async def _get_latest_video_url(self):
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"""Retrieve the latest video file from the customized Yi FTP server."""
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ftp = Client()
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try:
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await ftp.connect(self.host)
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await ftp.login(self.user, self.passwd)
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except (ConnectionRefusedError, StatusCodeError) as err:
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raise PlatformNotReady(err)
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try:
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await ftp.change_directory(self.path)
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dirs = []
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for path, attrs in await ftp.list():
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if attrs["type"] == "dir" and "." not in str(path):
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dirs.append(path)
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latest_dir = dirs[-1]
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await ftp.change_directory(latest_dir)
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videos = []
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for path, _ in await ftp.list():
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videos.append(path)
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if not videos:
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_LOGGER.info('Video folder "%s" empty; delaying', latest_dir)
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return None
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await ftp.quit()
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self._is_on = True
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return (
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f"ftp://{self.user}:{self.passwd}@{self.host}:"
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f"{self.port}{self.path}/{latest_dir}/{videos[-1]}"
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)
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except (ConnectionRefusedError, StatusCodeError) as err:
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_LOGGER.error("Error while fetching video: %s", err)
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self._is_on = False
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return None
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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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url = await self._get_latest_video_url()
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if url and url != self._last_url:
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ffmpeg = ImageFrame(self._manager.binary, loop=self.hass.loop)
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self._last_image = await asyncio.shield(
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ffmpeg.get_image(
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url, output_format=IMAGE_JPEG, extra_cmd=self._extra_arguments
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),
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loop=self.hass.loop,
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)
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self._last_url = url
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return self._last_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 not self._is_on:
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return
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stream = CameraMjpeg(self._manager.binary, loop=self.hass.loop)
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await stream.open_camera(self._last_url, extra_cmd=self._extra_arguments)
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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._manager.ffmpeg_stream_content_type,
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)
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finally:
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await stream.close()
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