audio.py 文件源码

def _play(self, sid, url):
        """Returns the song object of what's playing"""
        if type(sid) is not discord.Server:
            server = self.bot.get_server(sid)
        else:
            server = sid

        assert type(server) is discord.Server
        log.debug('starting to play on "{}"'.format(server.name))

        if self._valid_playable_url(url) or "[SEARCH:]" in url:
            try:
                song = await self._guarantee_downloaded(server, url)
            except MaximumLength:
                log.warning("I can't play URL below because it is too long."
                            " Use [p]audioset maxlength to change this.\n\n"
                            "{}".format(url))
                raise
            local = False
        else:  # Assume local
            try:
                song = self._make_local_song(url)
                local = True
            except FileNotFoundError:
                raise

        voice_client = await self._create_ffmpeg_player(server, song.id,
                                                        local=local)
        # That ^ creates the audio_player property

        voice_client.audio_player.start()
        log.debug("starting player on sid {}".format(server.id))

        return song