Music info dump

music-dump.py

# Requires Mutagen: http://code.google.com/p/mutagen/wiki/Tutorial
#   sudo easy_install mutagen

from mutagen.easyid3 import EasyID3
from mutagen import File
import os, sys

if len(sys.argv) < 2:
    print "Usage: python music-dump.py <path to music>"
    exit()

# Walk through all directories recursively
for root, _, files in os.walk(sys.argv[1]):
    # We will assume all files in a given directory are for that album
    coll = []
    total_time = 0
    for f in files:
        ext = os.path.splitext(f)[1] 
        try:
            # The ID3 gives us all the information except the length, which we
            # use the mutagen filetype reader for. The ID3 returns are all lists
            # of length 1 for some reason.
            path = os.path.join(root, f)
            audio = File(path)
            info = EasyID3(path)
            length = int(audio.info.length)
            total_time += length
            coll.append("%02d %s - %s (%d:%02d)" % (int(info['tracknumber'][0]), info['artist'][0], info['title'][0], length/60, length%60))
        except Exception as e:
            print "Error reading %s: %s" % (f, e)
    # Album name and full length
    print "%s (%d:%02d)" % (filter(lambda s: s != "", root.split('/'))[-1], total_time/60, total_time%60)
    # Tracks
    for track in sorted(coll):
        print track
    print