import os
import glob
from pydub import AudioSegment

TARGET = -10.5

song_dir = 'songs/'
extension_list = ('*.mp3')
count = 0

os.chdir(song_dir)
for extension in extension_list:
    for song in glob.glob(extension):
        try:
            if len(song) < 3: continue
            mp3_filename = os.path.splitext(os.path.basename(song))[0] + '.mp3'
            orig = AudioSegment.from_mp3(song)
            orig += (TARGET - orig.dBFS)

            orig.export(('../converted/%s') % (mp3_filename), format='mp3')

            print(('done %d') % (count))
            count += 1
        except Exception as e:
            print ('failed %s') % (song)