in IT on Linux, Python 2023-12-21
Download Youtube with Python

How to download youtube with python? using youtube-dl package.

Youtube-dl package

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$ python3 -m youtube_dl -f 140 --proxy http://$host:$post -g https://m.youtube.com/watch?v=id | xargs -n 1 python3 downloader.py -p -n 16 -o "test.m4a" --

Varify SHA256 and MD5

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def validate_file(file_path, hash):
    md5 = hashlib.md5()
    sha256 = hashlib.sha256()
    with open(file_path, 'rb') as f:
        while True:
            chunk = f.read(1024 * 1024)
            if not chunk:
                break
            md5.update(chunk)
            sha256.update(chunk)
    print('md5sum: ' + md5.hexdigest())
    print('sha256sum: ' + sha256.hexdigest())
    return md5.hexdigest() == hash

Check ranges support

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def pre_headers(url, file_name):
    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'}
    with open(file_name, 'r') as f:
        head = f.read().split('\n')
    head = dict(zip(head[0::2],head[1::2]))
    # If-Match | If-Unmodified-Since | If-None-Match | If-Modified-Since
    # if head['etag']:
    #     headers['If-Match'] = f'{head["etag"]}'
    # if head['last-modified']:
    #     headers['If-Unmodified-Since'] = head['last-modified']
    headers['If-Range'] = head['etag'] or head['last-modified']
    headers['Range'] = f'bytes=0-9'
    return headers