beets plugin to automatically add all moved files to iTunes (Mac only using Applescript and PyObjC, should handle unicode correctly)

addtoitunes.py

# The MIT License (MIT)
# 
# Copyright (c) 2014 Nicholas A. Knouf
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

from beets.plugins import BeetsPlugin
from Foundation import *
import unicodedata

class AddToiTunesPlugin(BeetsPlugin):
    def __init__(self):
        super(AddToiTunesPlugin, self).__init__()

@AddToiTunesPlugin.listen('item_moved')
def handle_move(item = None, source = None, destination = None):
    normalizedDestination = unicodedata.normalize("NFKD", unicode(destination, "UTF-8"))
    script = """tell application "iTunes"
        set macPath to (POSIX file "%s") as Unicode text
        add macPath to playlist "Library" of source "Library"
    end tell""" % normalizedDestination
    s = NSAppleScript.alloc().initWithSource_(script)
    res = s.executeAndReturnError_(None)
    if res[1]:
        print "addtoitunes: ERROR adding to iTunes" + str(res[1])
    #print res
    #print("Item %s moved to %s" % (item, destination))