playlistr

playlistr is an utility to import/export playlists from/to streaming services

use

python playlistr.py export URL file.m3u
e.g.
python playlistr.py export http://www.deezer.com/en/playlist/4341978 playlist.m3u

python playlistr.py transform PLAYLIST PLAYLIST_YOUTUBE
e.g.
python playlistr.py transform playlist.m3u playlist-youtube.m3u

You can then download and convert the audio version of each song from your playlist:

youtube-dl -x -a playlist-youtube.m3u

Anothyer alternative to preserve the audio quality and avoid transcoding:

youtube-dl -a playlist-youtube.m3u

# then in the folder when all the videos are:
for input in * 
do 
ffmpeg -i "$input" -vn -acodec copy "$input".m4a
done 

notes

For the moment only works with URLs from the deezer API.