[Python] How to store mp3 file in a Python Object

I need to download an mp3 file and store it in python code without the os filesystem manipulation. This is the code:

def PlaySong(self, link):
ydl_opts = {
'quiet': True,
'format': '140',
'verbose': False,
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
'no_warnings': True,
'cachedir' : False
}
ydl = youtube_dl.YoutubeDL(ydl_opts)
? = ytd.download([link])


The goal would be to download the file and play it with the vlc library

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