backup.py

#! /usr/bin/env python

import spotipy
import spotipy.util as util
import os
import json
import datetime

with open('config.json', 'r') as f:
    config = json.loads(f.read())

directory = config['save-directory']

token = util.prompt_for_user_token(config['username'], \
                                   'playlist-read-private playlist-read-collaborative', \
                                   config['spotipy']['client_id'], \
                                   config['spotipy']['client_secret'], \
                                   config['spotipy']['redirect_uri'])

sp = spotipy.Spotify(auth=token)

playlists = sp.user_playlists(config['username'])
discover = next((p for p in playlists['items'] if p['name'] == 'Discover Weekly'), None)

if discover:
    # spotify playlists are owner by the spotify user "spotifydiscover"
    save = {}
    save['name'] = discover['name']
    save['timestamp'] = datetime.datetime.now().strftime('%Y-%m-%d_%H-%M-%S')
    save['tracks'] = []
    tracks = sp.user_playlist_tracks(discover['owner']['id'], discover['id'])

    for track in tracks['items']:

        t_save = {}
        t_save['id'] = track['track']['id']
        t_save['name'] = track['track']['name']
        t_save['album'] = track['track']['album']['name']
        t_save['artist'] = [ artist['name'] for artist in track['track']['artists'] ]
        save['tracks'].append(t_save)

    if not os.path.exists(directory):
        os.makedirs(directory)

    with open(os.path.join(directory, save['timestamp'] + '.json'), 'w') as text_file:
        text_file.write(json.dumps(save))