from mutagen.easyid3 import EasyID3
import os
import re

def mp3list():
    for root, dirs, files in os.walk('.'):
        for filename in files:
            if os.path.splitext(filename)[1] == '.mp3':
                yield filename

def manual_check(filename, field):
    pattern = '[a-zA-Z0-9\(\)\.\s]{1,}'

    if not re.match(pattern, field):
        print('File: {0}'.format(filename))
        print('[{0}]'.format(field))
        new = input()
        if new == '':
            return field
        else:
            return new
    else:
        return field

for mp3file in mp3list():
    split = mp3file.split('-')
    artist = split[0].strip()
    title = split[1].strip()

    title = manual_check(mp3file, title)
    title = title.replace('w_', 'w/')
    artist = manual_check(mp3file, artist)

    print('Doing', title, artist)

    audio = EasyID3(mp3file)
    audio['title'] = title
    audio['artist'] = artist

    audio.save()