mirror of
https://github.com/home-assistant/core
synced 2024-09-09 12:51:22 +02:00
178 lines
5.6 KiB
Python
178 lines
5.6 KiB
Python
"""This component provides support for Xiaomi Cameras."""
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import asyncio
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from ftplib import FTP, error_perm
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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 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 TemplateError
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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 = "Xiaomi Home Camera"
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DEFAULT_PATH = "/media/mmcblk0p1/record"
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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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CONF_MODEL = "model"
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MODEL_YI = "yi"
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MODEL_XIAOFANG = "xiaofang"
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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.template,
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vol.Required(CONF_MODEL): vol.Any(MODEL_YI, MODEL_XIAOFANG),
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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 Xiaomi Camera."""
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_LOGGER.debug("Received configuration for model %s", config[CONF_MODEL])
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async_add_entities([XiaomiCamera(hass, config)])
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class XiaomiCamera(Camera):
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"""Define an implementation of a Xiaomi 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.host = config[CONF_HOST]
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self.host.hass = hass
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self._model = config[CONF_MODEL]
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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 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 brand(self):
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"""Return the camera brand."""
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return DEFAULT_BRAND
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@property
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def model(self):
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"""Return the camera model."""
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return self._model
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def get_latest_video_url(self, host):
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"""Retrieve the latest video file from the Xiaomi Camera FTP server."""
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ftp = FTP(host)
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try:
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ftp.login(self.user, self.passwd)
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except error_perm as exc:
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_LOGGER.error("Camera login failed: %s", exc)
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return False
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try:
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ftp.cwd(self.path)
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except error_perm as exc:
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_LOGGER.error("Unable to find path: %s - %s", self.path, exc)
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return False
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dirs = [d for d in ftp.nlst() if "." not in d]
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if not dirs:
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_LOGGER.warning("There don't appear to be any folders")
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return False
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first_dir = latest_dir = dirs[-1]
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try:
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ftp.cwd(first_dir)
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except error_perm as exc:
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_LOGGER.error("Unable to find path: %s - %s", first_dir, exc)
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return False
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if self._model == MODEL_XIAOFANG:
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dirs = [d for d in ftp.nlst() if "." not in d]
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if not dirs:
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_LOGGER.warning("There don't appear to be any uploaded videos")
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return False
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latest_dir = dirs[-1]
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ftp.cwd(latest_dir)
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videos = [v for v in ftp.nlst() if ".tmp" not in v]
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if not videos:
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_LOGGER.info('Video folder "%s" is empty; delaying', latest_dir)
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return False
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if self._model == MODEL_XIAOFANG:
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video = videos[-2]
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else:
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video = videos[-1]
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return f"ftp://{self.user}:{self.passwd}@{host}:{self.port}{ftp.pwd()}/{video}"
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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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try:
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host = self.host.async_render(parse_result=False)
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except TemplateError as exc:
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_LOGGER.error("Error parsing template %s: %s", self.host, exc)
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return self._last_image
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url = await self.hass.async_add_executor_job(self.get_latest_video_url, host)
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if url != self._last_url:
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ffmpeg = ImageFrame(self._manager.binary)
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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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)
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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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stream = CameraMjpeg(self._manager.binary)
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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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