How long have you iTunes-d?
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Comments:
- here.
I like the bit that appears at the bottom of iTunes, telling you how much music you have in your collection (or in the current playlist). 
I thought it might be fun to see how much music I had listened to. As it turns out: 5883 songs, 17:13:27:05 total time. Here is the script I wrote to find it out.
1 #! /usr/bin/env python
2
3 import Foundation
4 import os
5
6 library = os.path.expanduser('~/Music/iTunes/iTunes Music Library.xml')
7
8 db = Foundation.NSDictionary.dictionaryWithContentsOfFile_(library)
9 tracks = db[u'Tracks'].itervalues()
10
11 timecount = 0
12 playcount = 0
13
14 for track in tracks:
15 try:
16 timecount = timecount + track[u'Play Count'] * track[u'Total Time']/1000
17 playcount = playcount + track[u'Play Count']
18 except KeyError:
19 pass
20
21 days, timecount = timecount / (60 * 60 * 24), timecount % (60 * 60 * 24)
22 hours, timecount = timecount / (60 * 60), timecount % (60 * 60)
23 minutes, seconds = timecount / 60, timecount % 60
24
25 print '%i songs, %i:%02i:%02i:%02i total time' % (playcount, days, hours, minutes, seconds)