sort_music.py

#!/usr/bin/env python

import os
import os.path
import id3reader
import re

SRC_ROOT = '/Users/Shared/Music'
DST_ROOT = '/Users/Shared/Music-sorted'

def move_song(src, dst):
    try:
        os.makedirs(os.path.dirname(dst))
    except OSError:
        pass
    os.rename(src, dst)

progress = 0
for root, dirs, files in os.walk(SRC_ROOT):
    for f in [os.path.join(root, fname) for fname in files]:
        if f.lower().endswith('.mp3'):
            # Parse this song... first try to get ID3 tag data.
            progress += 1
            id3r = id3reader.Reader(f)
            artist = id3r.getValue('performer')
            
            if artist is None:
                artist = "Unknown"
            album = id3r.getValue('album')
            
            if album is None:
                album = "Unknown"
            
            title = id3r.getValue('title')
            if title is None:
                print "********************************"
                title = "Unknown - " + os.path.basename(f)[:-3]
            
            track = id3r.getValue('track')
            if track is None:
                pass
            else:
                if '/' in track:
                    track = track.split('/')[0]
                
                try:
                    track = int(track)
                except ValueError:
                    pass
                else:
                    title = "%02d %s" % (track, title)
            
            title = title[:32]
            
            new_path = os.path.join(DST_ROOT, artist, album, title + '.mp3')
            print "%d - Renaming %s to %s" % (progress, repr(f), repr(new_path))
            move_song(f, new_path)