def test1(): songs = [u"D:/Drive E/Music/Marry You - Bruno Mars.mp3", u"D:/Drive E/Music/The Lazy Song - Bruno Mars.mp3", u"D:/Drive E/Music/Bruno Mars - It Will Rain.mp3", u"D:/Drive E/Music/Air Supply - All Out Of Love.mp3", u"D:/Drive E/Music/David Archuleta - Crush.mp3", u"Dành Cho Em - Hoàng Tôn.mp3", u'D:/Drive E/Music/TV In Black White - Lana Del Rey.mp3'] folder = u'D:/Drive E/Vietnam' many_songs = [f for f in os.listdir(folder) if os.path.splitext(f)[1][1:].lower() == 'mp3'] print many_songs mysong = u"Dành Cho Em - Hoàng Tôn.mp3" albdb = AlbumDB("D:/Cloud/Dropbox/Programming/Code/py/Miusik/test/test_albumdb.db") my_trackdb = TrackDB("D:/Cloud/Dropbox/Programming/Code/py/Miusik/test/test_trackdb.db") for song in many_songs: my_trackdb.add_song_from_loc(song) # print my_trackdb.get_songs() my_trackdb.save_db() for key in my_trackdb.get_keys(): albdb.add_track_to_album(my_trackdb.get_song_by_loc(key)) albdb.save_db() for key in albdb.get_keys(): print key # print albdb.get_album(key[0], key[1]).get_info('cover') print