utils.py 文件源码

def get_video_info(url):
    """
    Retrieve the YouTube videos' information without downloading it.

    Source: http://stackoverflow.com/questions/18054500/how-to-use-youtube-dl-\
            from-a-python-programm/18947879#18947879
    """
    ydl = youtube_dl.YoutubeDL()
    ydl.add_default_info_extractors()

    try:
        return ydl.extract_info(url, download=False)
    except youtube_dl.DownloadError:
        return None