forked from platypush/platypush
383 lines
12 KiB
Python
383 lines
12 KiB
Python
import enum
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import os
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import re
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import subprocess
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import urllib.request
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import urllib.parse
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from platypush.config import Config
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from platypush.context import get_plugin
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from platypush.plugins import Plugin, action
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class PlayerState(enum.Enum):
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STOP = 'stop'
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PLAY = 'play'
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PAUSE = 'pause'
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class MediaPlugin(Plugin):
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"""
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Generic plugin to interact with a media player.
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Requires:
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* A media player installed (supported so far: mplayer, omxplayer, chromecast)
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* **python-libtorrent** (``pip install python-libtorrent``), optional for Torrent support
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* **youtube-dl** installed on your system (see your distro instructions), optional for YouTube support
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"""
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# A media plugin can either be local or remote (e.g. control media on
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# another device)
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_is_local = True
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_NOT_IMPLEMENTED_ERR = NotImplementedError(
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'This method must be implemented in a derived class')
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# Supported audio extensions
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audio_extensions = {
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'3gp', 'aa', 'aac', 'aax', 'act', 'aiff', 'amr', 'ape', 'au',
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'awb', 'dct', 'dss', 'dvf', 'flac', 'gsm', 'iklax', 'ivs',
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'm4a', 'm4b', 'm4p', 'mmf', 'mp3', 'mpc', 'msv', 'nmf', 'nsf',
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'ogg,', 'opus', 'ra,', 'raw', 'sln', 'tta', 'vox', 'wav',
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'wma', 'wv', 'webm', '8svx',
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}
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# Supported video extensions
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video_extensions = {
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'webm', 'mkv', 'flv', 'flv', 'vob', 'ogv', 'ogg', 'drc', 'gif',
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'gifv', 'mng', 'avi', 'mts', 'm2ts', 'mov', 'qt', 'wmv', 'yuv',
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'rm', 'rmvb', 'asf', 'amv', 'mp4', 'm4p', 'm4v', 'mpg', 'mp2',
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'mpeg', 'mpe', 'mpv', 'mpg', 'mpeg', 'm2v', 'm4v', 'svi',
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'3gp', '3g2', 'mxf', 'roq', 'nsv', 'flv', 'f4v', 'f4p', 'f4a',
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'f4b',
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}
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_supported_media_plugins = {'media.mplayer', 'media.omxplayer',
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'media.chromecast'}
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def __init__(self, media_dirs=[], download_dir=None, env=None,
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*args, **kwargs):
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"""
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:param media_dirs: Directories that will be scanned for media files when
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a search is performed (default: none)
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:type media_dirs: list
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:param download_dir: Directory where external resources/torrents will be
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downloaded (default: none)
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:type download_dir: str
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:param env: Environment variables key-values to pass to the
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player executable (e.g. DISPLAY, XDG_VTNR, PULSE_SINK etc.)
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:type env: dict
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"""
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super().__init__(*args, **kwargs)
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player = None
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player_config = {}
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if self.__class__.__name__ == 'MediaPlugin':
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# Abstract class, initialize with the default configured player
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for plugin in Config.get_plugins().keys():
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if plugin in self._supported_media_plugins:
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player = plugin
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if get_plugin(player).is_local():
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# Local players have priority as default if configured
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break
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else:
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player = self # Derived concrete class
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if not player:
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raise AttributeError('No media plugin configured')
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media_dirs = media_dirs or player_config.get('media_dirs', [])
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download_dir = download_dir or player_config.get('download_dir')
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if self.__class__.__name__ == 'MediaPlugin':
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# Populate this plugin with the actions of the configured player
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plugin = get_plugin(player)
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for action in plugin.registered_actions:
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setattr(self, action, getattr(plugin, action))
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self.registered_actions.add(action)
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self._env = env or {}
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self.media_dirs = set(
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filter(
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lambda _: os.path.isdir(_),
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map(
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lambda _: os.path.abspath(os.path.expanduser(_)),
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media_dirs
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)
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)
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)
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if download_dir:
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self.download_dir = os.path.abspath(os.path.expanduser(download_dir))
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if not os.path.isdir(self.download_dir):
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raise RuntimeError('download_dir [{}] is not a valid directory'
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.format(self.download_dir))
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self.media_dirs.add(self.download_dir)
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self._videos_queue = []
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def _get_resource(self, resource):
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"""
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:param resource: Resource to play/parse. Supported types:
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* Local files (format: ``file://<path>/<file>``)
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* Remote videos (format: ``https://<url>/<resource>``)
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* YouTube videos (format: ``https://www.youtube.com/watch?v=<id>``)
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* Torrents (format: Magnet links, Torrent URLs or local Torrent files)
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"""
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if resource.startswith('youtube:') \
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or resource.startswith('https://www.youtube.com/watch?v='):
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if self.__class__.__name__ == 'MediaChromecastPlugin':
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# The Chromecast has already its way to handle YouTube
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return resource
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resource = self._get_youtube_content(resource)
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elif resource.startswith('magnet:?'):
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try:
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get_plugin('media.webtorrent')
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return resource # media.webtorrent will handle this
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except:
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pass
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torrents = get_plugin('torrent')
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self.logger.info('Downloading torrent {} to {}'.format(
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resource, self.download_dir))
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response = torrents.download(resource, download_dir=self.download_dir)
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resources = [f for f in response.output if self._is_video_file(f)]
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if resources:
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self._videos_queue = sorted(resources)
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resource = self._videos_queue.pop(0)
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else:
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raise RuntimeError('Unable to download torrent {}'.format(resource))
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return resource
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@action
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def play(self, resource, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def pause(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def stop(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def quit(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def voldown(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def volup(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def back(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def forward(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def next(self):
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""" Play the next item in the queue """
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if self.player:
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self.player.stop()
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if self._videos_queue:
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video = self._videos_queue.pop(0)
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return self.play(video)
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@action
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def toggle_subtitles(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def is_playing(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def load(self, resource, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def mute(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def seek(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def set_position(self, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def set_volume(self, volume, *args, **kwargs):
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raise self._NOT_IMPLEMENTED_ERR
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@action
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def search(self, query, types=None, queue_results=False, autoplay=False):
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"""
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Perform a video search.
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:param query: Query string, video name or partial name
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:type query: str
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:param types: Video types to search (default: ``["youtube", "file", "torrent"]``)
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:type types: list
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:param queue_results: Append the results to the current playing queue (default: False)
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:type queue_results: bool
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:param autoplay: Play the first result of the search (default: False)
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:type autoplay: bool
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"""
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results = []
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if types is None:
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types = { 'youtube', 'file', 'torrent' }
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if 'file' in types:
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file_results = self.file_search(query).output
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results.extend(file_results)
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if 'torrent' in types:
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torrents = get_plugin('torrent')
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torrent_results = torrents.search(query).output
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results.extend(torrent_results)
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if 'youtube' in types:
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yt_results = self.youtube_search(query).output
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results.extend(yt_results)
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if results:
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if queue_results:
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self._videos_queue = [_['url'] for _ in results]
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if autoplay:
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self.play(self._videos_queue.pop(0))
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elif autoplay:
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self.play(results[0]['url'])
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return results
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@classmethod
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def _is_video_file(cls, filename):
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return filename.lower().split('.')[-1] in cls.video_extensions
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@classmethod
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def _is_audio_file(cls, filename):
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return filename.lower().split('.')[-1] in cls.audio_extensions
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@action
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def file_search(self, query):
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results = []
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query_tokens = [_.lower() for _ in re.split('\s+', query.strip())]
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for media_dir in self.media_dirs:
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self.logger.info('Scanning {} for "{}"'.format(media_dir, query))
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for path, dirs, files in os.walk(media_dir):
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for f in files:
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if not self._is_video_file(f) and not self._is_audio_file(f):
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continue
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matches_query = True
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for token in query_tokens:
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if token not in f.lower():
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matches_query = False
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break
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if not matches_query:
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continue
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results.append({
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'url': 'file://' + path + os.sep + f,
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'title': f,
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})
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return results
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@action
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def youtube_search(self, query):
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"""
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Performs a YouTube search either using the YouTube API (faster and
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recommended, it requires the :mod:`platypush.plugins.google.youtube`
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plugin to be configured) or parsing the HTML search results (fallback
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slower method)
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"""
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self.logger.info('Searching YouTube for "{}"'.format(query))
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try:
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return self._youtube_search_api(query=query)
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except Exception as e:
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self.logger.warning('Unable to load the YouTube plugin, falling ' +
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'back to HTML parse method: {}'.format(str(e)))
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return self._youtube_search_html_parse(query=query)
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def _youtube_search_api(self, query):
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return [
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{
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'url': 'https://www.youtube.com/watch?v=' + item['id']['videoId'],
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'title': item.get('snippet', {}).get('title', '<No Title>'),
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}
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for item in get_plugin('google.youtube').search(query=query).output
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if item.get('id', {}).get('kind') == 'youtube#video'
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]
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def _youtube_search_html_parse(self, query):
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query = urllib.parse.quote(query)
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url = "https://www.youtube.com/results?search_query=" + query
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response = urllib.request.urlopen(url)
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html = response.read().decode('utf-8')
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results = []
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while html:
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m = re.search('(<a href="(/watch\?v=.+?)".+?yt-uix-tile-link.+?title="(.+?)".+?>)', html)
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if m:
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results.append({
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'url': 'https://www.youtube.com' + m.group(2),
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'title': m.group(3)
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})
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html = html.split(m.group(1))[1]
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else:
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html = ''
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self.logger.info('{} YouTube video results for the search query "{}"'
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.format(len(results), query))
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return results
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@classmethod
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def _get_youtube_content(cls, url):
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m = re.match('youtube:video:(.*)', url)
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if m: url = 'https://www.youtube.com/watch?v={}'.format(m.group(1))
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proc = subprocess.Popen(['youtube-dl','-f','best', '-g', url],
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stdout=subprocess.PIPE)
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return proc.stdout.read().decode("utf-8", "strict")[:-1]
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def is_local(self):
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return self._is_local
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# vim:sw=4:ts=4:et:
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