Global or local python environment with all packages from requirements.txt.
FFMPEG according to the installation instructions for SpotDL. (https://ffmpeg.org/)
Spotify-API client with ID and secret for SpotiPy. The following ENV variables have to be set:

SPOTIPY_CLIENT_ID='your_spotify_client_id'
SPOTIPY_CLIENT_SECRET='your_spotify_client_secret'

Usage

The script has to be run from commandline with python playlist_downloader.py <username> <playlist_root_dir> All public playlists by the given user will be downloaded. If the playlist root does not exist yet, it will be created. For each playlist a directory will be created in the playlist root. The actual songs from the playlists will be downloaded to their respectively named directories.

A file called additional_playlists.txt can be used to specify additional playlists to download. Each playlist has to be added as a new line containing the URI to the public playlist.