command_line.py 文件源码

def download_song(song_url, song_title):
    '''
    Downloads song from youtube-dl
    '''
    outtmpl = song_title + '.%(ext)s'
    ydl_opts = {
        'format': 'bestaudio/best',
        'outtmpl': outtmpl,
        'postprocessors': [{
            'key': 'FFmpegExtractAudio',
            'preferredcodec': 'mp3',
            'preferredquality': '192',
        },
            {'key': 'FFmpegMetadata'},
        ],

    }

    with youtube_dl.YoutubeDL(ydl_opts) as ydl:
        info_dict = ydl.extract_info(song_url, download=True)