iTunesLibrary-AddedDateToCreatedDate.py

import sys, plistlib, json, re, subprocess
from datetime import datetime as dt
from datetime import timedelta
import urllib.parse as up

def dequote(path):
	if (path[0] == path[-1]) and path.startswith(("'", '"')):
		return path[1:-1]
	else:
		return path
		
def xmlToDict(path):
	xml = plistlib.readPlist(path)
	jsRaw = json.dumps(xml)
	jsDict = json.loads(jsRaw)
	tracks = jsDict['Tracks']
	return tracks
	
def getLocation(musicID):
	location = tracks[musicID]['Location']
	location = up.urlparse(location).path
	location = up.unquote(location)
	return re.escape(location)
	
def getDateAdded(musicID):
	dateAdded = dt.strptime( tracks[musicID]['Date Added'] , "%Y-%m-%dT%H:%M:%SZ") + timedelta(hours=9)
	return dateAdded.strftime("%m/%d/%Y %H:%M:%S")
	
def changeDate(tracks):
	count = 0
	errors = []
	f = open("./iTL_result-%s.txt" % dt.now().strftime("%y%m%d%H%M%S"), 'w')
	
	for musicID in tracks.keys():
		location = ""
		try:
			location = getLocation(musicID)
		except KeyError as e:
			errormessage = "error: [%s] %s - %s (message: %s)" % (musicID, tracks[musicID]['Name'], tracks[musicID]['Artist'], e)
			print(errormessage)
			f.write(errormessage)
			errors.append(errormessage)
			continue
		if (location[-3:] == "mp3" or location[-3:] == "m4a"):
			dateAdded = getDateAdded(musicID)
			command = "SetFile -d \'%s' %s" % (dateAdded, location)
			print(location)
			try:
				subprocess.check_output(command, shell=True)
				count += 1
			except subprocess.CalledProcessError as e:
				errormessage = "error: %s (message: %s)" % (location, e.output)
				print(errormessage)
				f.write(errormessage)
				errors.append(errormessage)
	f.close()
	print("Done: %d" % count)
	print("%d errors" % len(errors))
	print(errors)

path = dequote(sys.argv[1])
tracks = xmlToDict(path)
changeDate(tracks)