import datetime import re import pychromecast from pychromecast.controllers.youtube import YouTubeController from platypush.context import get_plugin, get_bus from platypush.plugins import Plugin, action from platypush.plugins.media import MediaPlugin from platypush.utils import get_mime_type from platypush.message.event.media import MediaPlayEvent, MediaPlayRequestEvent, \ MediaStopEvent, MediaPauseEvent, NewPlayingMediaEvent class MediaChromecastPlugin(MediaPlugin): """ Plugin to interact with Chromecast devices Supported formats: * HTTP media URLs * YouTube URLs * Plex (through ``media.plex`` plugin, experimental) Requires: * **pychromecast** (``pip install pychromecast``) """ STREAM_TYPE_UNKNOWN = "UNKNOWN" STREAM_TYPE_BUFFERED = "BUFFERED" STREAM_TYPE_LIVE = "LIVE" def __init__(self, chromecast=None, *args, **kwargs): """ :param chromecast: Default Chromecast to cast to if no name is specified :type chromecast: str """ super().__init__(*args, **kwargs) self._is_local = False self.chromecast = chromecast self.chromecasts = {} @action def get_chromecasts(self): """ Get the list of Chromecast devices """ self.chromecasts.update({ cast.device.friendly_name: cast for cast in pychromecast.get_chromecasts() }) return [ { 'type': cc.cast_type, 'name': cc.name, 'manufacturer': cc.device.manufacturer, 'model_name': cc.model_name, 'uuid': str(cc.device.uuid), 'address': cc.host, 'port': cc.port, 'status': ({ 'app': { 'id': cc.app_id, 'name': cc.app_display_name, }, 'media': self.status(cc.name).output, 'is_active_input': cc.status.is_active_input, 'is_stand_by': cc.status.is_stand_by, 'is_idle': cc.is_idle, 'namespaces': cc.status.namespaces, 'volume': round(100*cc.status.volume_level, 2), 'muted': cc.status.volume_muted, } if cc.status else {}), } for cc in self.chromecasts.values() ] def get_chromecast(self, chromecast=None, n_tries=3): if isinstance(chromecast, pychromecast.Chromecast): return chromecast if not chromecast: if not self.chromecast: raise RuntimeError('No Chromecast specified nor default Chromecast configured') chromecast = self.chromecast if chromecast not in self.chromecasts: casts = {} while n_tries > 0: n_tries -= 1 casts.update({ cast.device.friendly_name: cast for cast in pychromecast.get_chromecasts() }) if chromecast in casts: self.chromecasts.update(casts) break if chromecast not in self.chromecasts: raise RuntimeError('Device {} not found'.format(chromecast)) return self.chromecasts[chromecast] @action def play(self, resource, content_type=None, chromecast=None, title=None, image_url=None, autoplay=True, current_time=0, stream_type=STREAM_TYPE_BUFFERED, subtitles=None, subtitles_lang='en-US', subtitles_mime='text/vtt', subtitle_id=1): """ Cast media to a visible Chromecast :param resource: Media to cast :type resource: str :param content_type: Content type as a MIME type string :type content_type: str :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str :param title: Optional title :type title: str :param image_url: URL of the image to use for the thumbnail :type image_url: str :param autoplay: Set it to false if you don't want the content to start playing immediately (default: true) :type autoplay: bool :param current_time: Time to start the playback in seconds (default: 0) :type current_time: int :param stream_type: Type of stream to cast. Can be BUFFERED (default), LIVE or UNKNOWN :type stream_type: str :param subtitles: URL of the subtitles to be shown :type subtitles: str :param subtitles_lang: Subtitles language (default: en-US) :type subtitles_lang: str :param subtitles_mime: Subtitles MIME type (default: text/vtt) :type subtitles_mime: str :param subtitle_id: ID of the subtitles to be loaded (default: 1) :type subtitle_id: int """ if not chromecast: chromecast = self.chromecast get_bus().post(MediaPlayRequestEvent(resource=resource, device=chromecast)) cast = self.get_chromecast(chromecast) cast.wait() mc = cast.media_controller yt = self._get_youtube_url(resource) if yt: self.logger.info('Playing YouTube video {} on {}'.format( yt, chromecast)) hndl = YouTubeController() cast.register_handler(hndl) hndl.update_screen_id() return hndl.play_video(yt) resource = self._get_resource(resource) if resource.startswith('magnet:?'): player_args = { 'chromecast': cast } return get_plugin('media.webtorrent').play(resource, player='chromecast', **player_args) if not content_type: content_type = get_mime_type(resource) if not content_type: raise RuntimeError('content_type required to process media {}'. format(resource)) if not resource.startswith('http://') and \ not resource.startswith('https://'): resource = self.start_streaming(resource).output['url'] self.logger.info('HTTP media stream started on {}'.format(resource)) self.logger.info('Playing {} on {}'.format(resource, chromecast)) mc.play_media(resource, content_type, title=title, thumb=image_url, current_time=current_time, autoplay=autoplay, stream_type=stream_type, subtitles=subtitles, subtitles_lang=subtitles_lang, subtitles_mime=subtitles_mime, subtitle_id=subtitle_id) mc.block_until_active() get_bus().post(MediaPlayEvent(resource=resource, device=chromecast)) @classmethod def _get_youtube_url(cls, url): m = re.match('https?://www.youtube.com/watch\?v=([^&]+).*', url) if m: return m.group(1) m = re.match('youtube:video:(.*)', url) if m: return m.group(1) return None @action def load(self, *args, **kwargs): return self.play(*args, **kwargs) @action def pause(self, chromecast=None): cast = self.get_chromecast(chromecast or self.chromecast) if cast.media_controller.is_paused: ret = cast.media_controller.play() get_bus().post(MediaPlayEvent(device=chromecast or self.chromecast)) return ret elif cast.media_controller.is_playing: ret = cast.media_controller.pause() get_bus().post(MediaPauseEvent(device=chromecast or self.chromecast)) return ret @action def stop(self, chromecast=None): ret = self.get_chromecast(chromecast or self.chromecast).media_controller.stop() get_bus().post(MediaStopEvent(device=chromecast or self.chromecast)) return ret @action def rewind(self, chromecast=None): return self.get_chromecast(chromecast or self.chromecast).media_controller.rewind() @action def set_position(self, position, chromecast=None): return self.get_chromecast(chromecast or self.chromecast).media_controller.seek(position) @action def seek(self, position, chromecast=None): return self.forward(chromecast=chromecast, offset=position) @action def back(self, chromecast=None, offset=60): mc = self.get_chromecast(chromecast or self.chromecast).media_controller if mc.status.current_time: return mc.seek(mc.status.current_time-offset) @action def forward(self, chromecast=None, offset=60): mc = self.get_chromecast(chromecast or self.chromecast).media_controller if mc.status.current_time: return mc.seek(mc.status.current_time+offset) @action def is_playing(self, chromecast=None): return self.get_chromecast(chromecast or self.chromecast).media_controller.is_playing @action def is_paused(self, chromecast=None): return self.get_chromecast(chromecast or self.chromecast).media_controller.is_paused @action def is_idle(self, chromecast=None): return self.get_chromecast(chromecast or self.chromecast).media_controller.is_idle @action def list_subtitles(self, chromecast=None): return self.get_chromecast(chromecast or self.chromecast) \ .media_controller.subtitle_tracks @action def enable_subtitles(self, chromecast=None, track_id=None): mc = self.get_chromecast(chromecast or self.chromecast).media_controller if track_id is not None: return mc.enable_subtitle(track_id) elif mc.subtitle_tracks: return mc.enable_subtitle(mc.subtitle_tracks[0].get('trackId')) @action def disable_subtitles(self, chromecast=None, track_id=None): mc = self.get_chromecast(chromecast or self.chromecast).media_controller if track_name: return mc.disable_subtitle(track_name) elif mc.current_subtitle_tracks: return mc.disable_subtitle(mc.current_subtitle_tracks[0]) @action def toggle_subtitles(self, chromecast=None): mc = self.get_chromecast(chromecast or self.chromecast).media_controller all_subs = mc.status.subtitle_tracks cur_subs = mc.status.status.current_subtitle_tracks if cur_subs: return self.disable_subtitle(chromecast, cur_subs[0]) else: return self.enable_subtitle(chromecast, all_subs[0].get('trackId')) @action def status(self, chromecast=None): status = self.get_chromecast(chromecast or self.chromecast) \ .media_controller.status attrs = [a for a in dir(status) if not a.startswith('_') and not callable(getattr(status, a))] renamed_attrs = { 'player_state': 'state', 'volume_level': 'volume', 'volume_muted': 'muted', } ret = {} for attr in attrs: value = getattr(status, attr) if attr == 'volume_level': value *= 100 if attr == 'player_state': value = value.lower() if value == 'paused': value = 'pause' if value == 'playing': value = 'play' if isinstance(value, datetime.datetime): value = value.isoformat() if attr in renamed_attrs: ret[renamed_attrs[attr]] = value else: ret[attr] = value return ret @action def disconnect(self, chromecast=None, timeout=None, blocking=True): """ Disconnect a Chromecast and wait for it to terminate :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str :param timeout: Number of seconds to wait for disconnection (default: None: block until termination) :type timeout: float :param blocking: If set (default), then the code will wait until disconnection, otherwise it will return immediately. :type blocking: bool """ cast = self.get_chromecast(chromecast) cast.disconnect(timeout=timeout, blocking=blocking) @action def join(self, chromecast=None, timeout=None, blocking=True): """ Blocks the thread until the Chromecast connection is terminated. :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str :param timeout: Number of seconds to wait for disconnection (default: None: block until termination) :type timeout: float :param blocking: If set (default), then the code will wait until disconnection, otherwise it will return immediately. :type blocking: bool """ cast = self.get_chromecast(chromecast) cast.join(timeout=timeout, blocking=blocking) @action def quit(self, chromecast=None): """ Exits the current app on the Chromecast :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str """ cast = self.get_chromecast(chromecast) cast.quit_app() @action def reboot(self, chromecast=None): """ Reboots the Chromecast :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str """ cast = self.get_chromecast(chromecast) cast.reboot() @action def set_volume(self, volume, chromecast=None): """ Set the Chromecast volume :param volume: Volume to be set, between 0 and 100 :type volume: float :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str """ cast = self.get_chromecast(chromecast) cast.set_volume(volume/100) @action def volup(self, chromecast=None, step=10): """ Turn up the Chromecast volume by 10% or step. :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str :param step: Volume increment between 0 and 100 (default: 100%) :type step: float """ cast = self.get_chromecast(chromecast) step /= 100 cast.volume_up(min(step, 1)) @action def voldown(self, chromecast=None, step=10): """ Turn down the Chromecast volume by 10% or step. :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str :param step: Volume decrement between 0 and 100 (default: 100%) :type step: float """ cast = self.get_chromecast(chromecast) step /= 100 cast.volume_down(max(step, 0)) @action def mute(self, chromecast=None): """ Toggle the mute status on the Chromecast :param chromecast: Chromecast to cast to. If none is specified, then the default configured Chromecast will be used. :type chromecast: str """ cast = self.get_chromecast(chromecast) cast.set_volume_muted(not cast.status.volume_muted) # vim:sw=4:ts=4:et: