Grab track rating information from itunes library xml file and write to itunes using applescript

grab-ratings.py

#! /usr/bin/env -i python

import xml.etree.ElementTree
import subprocess

tree = xml.etree.ElementTree.ElementTree()

tree.parse('iTunes Music Library.xml')

doc = tree.getroot()
top = doc.find('dict')
tracks = top.find('dict')

                        # <key>Date Modified</key><date>2004-08-31T23:17:43Z</date>
                        # <key>Date Added</key><date>2004-08-19T18:17:13Z</date>
                        # <key>Play Count</key><integer>3</integer>
                        # <key>Play Date</key><integer>-1117685658</integer>
                        # <key>Rating</key><integer>60</integer>

sets = [
#  "Date Modified",
#  "Date Added",
#  "Play Count",
#  "Play Date",
  "Rating"
]

for track in tracks.findall('dict'):
  cur = None # prop being currently parsed, alternately, cursor
  props = track.findall('*')
  name = track.find('string').text # first string is name?
  for prop in list(props):
    if cur == None and prop.text in sets:
      cur = prop.text
    elif cur in sets:
      cmd = [#"echo", 
        "osascript", "-e", """tell application "iTunes" to set the %s of the track named "%s" to %s""" % (cur, name, prop.text)]
      try:
        print ' '.join(cmd)
      except:
        pass # non-ascii error
      subprocess.call(cmd)
      cur = None
      #exit()