YoutubeDownload.py

#This script can be used to download the videos direct from youtube along with the subtitles

import youtube_dl
url = "https://youtu.be/OQopEV3H32M"

def download_video_srt(subs):
    """ Downloads specified Youtube video's subtitles as a vtt/srt file.

    Args:
        subs(str): Full url of Youtube video

    Returns:
        True


    The video will be downloaded as 1.mp4 and its subtitles as 1.(lang).srt
    Both, the video and its subtitles, will be downloaded to the same location
    as that of this script (sum.py)

    """
    ydl_opts = {
        'format': 'best',
        'outtmpl': '1.%(ext)s',
        'subtitlesformat': 'srt',
        'writeautomaticsub': True,
        # 'allsubtitles': True # Get all subtitles
    }

    movie_filename = ""
    subtitle_filename = ""
    with youtube_dl.YoutubeDL(ydl_opts) as ydl:
        # ydl.download([subs])
        result = ydl.extract_info("{}".format("https://youtu.be/OQopEV3H32M"), download=True)
        movie_filename = ydl.prepare_filename(result)
        subtitle_info = result.get("requested_subtitles")
        subtitle_language = subtitle_info.keys()[0]
        subtitle_ext = subtitle_info.get(subtitle_language).get("ext")
        subtitle_filename = movie_filename.replace(".mp4", ".%s.%s" %
                                                   (subtitle_language,
                                                    subtitle_ext))
    return movie_filename, subtitle_filename


download_video_srt(url)