google music backup download

download.py

#!/usr/bin/env python
# https://github.com/simon-weber/Unofficial-Google-Music-API

from gmusicapi.api import Api
from getpass import getpass
import os
import requests


def init():
    api = Api()
    logged_in = False
    attempts = 0
    while not logged_in and attempts < 3:
        email = raw_input("Email: ")
        password = getpass()
        logged_in = api.login(email, password)
        attempts += 1
    return api


def get_absolute_music_path(f):
    return os.path.join('music', f['artist'], f['album'])


def get_absolute_music_filename(f):
    return os.path.join(get_absolute_music_path(f), f['title'] + ".mp3")


def main():
    api = init()
    if not api.is_authenticated():
        print "Sorry, those credentials weren't accepted."
        return

    library = api.get_all_songs()
    for f in library[:3]:
        if not os.path.exists(get_absolute_music_filename(f)):
            if not os.path.exists(get_absolute_music_path(f)):
                os.makedirs(get_absolute_music_path(f))
            if not os.path.exists(get_absolute_music_filename(f)):
                print "."
                url, count = api.get_song_download_info(f['id'])
                req = requests.get(url)
                with open(get_absolute_music_filename(f), 'w') as target:
                    target.write(req.content)
    api.logout()
if __name__ == '__main__':
    main()