Support update_package

WAPT/control

@@ -1,5 +1,5 @@
 package           : fws-itunes
-version           : 12.9.2.6-5
+version           : 12.9.2.6-6
 architecture      : all
 section           : base
 priority          : optional

setup.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from setuphelpers import *
+import os
 
 uninstallkey = []
 
@@ -25,6 +26,30 @@ def uninstall():
         if soft['name'] == 'iTunes':
             run(r'msiexec /qn /norestart /x%s' % soft['key'])
 
+def update_package():
+    print('Updating iTunes package')
+    for arch in ['32','64']:
+        url = 'https://www.apple.com/itunes/download/win%s' % arch
+        mkdirs(makepath('temp',arch))
+        filename = makepath('temp', 'itunes%s' % arch)
+        if not isfile(filename):
+            print('Downloading %s' % url)
+            wget(url,filename)
+        print('Extracting %s' % filename)
+        run('"%s" e -y -o"%s" %s' % (makepath(programfiles,'7-Zip','7z.exe'),makepath('temp',arch),filename))
+    version = get_msi_properties(makepath('temp','64','iTunes64.msi'))['ProductVersion']
+    print('Downloaded version is %s' % version)
+    pe = PackageEntry();
+    control = pe.load_control_from_wapt('.')
+    if Version(version) > Version(control['version'].split('-',1)[0]):
+        print('New iTunes version %s' % version)
+        os.rename(makepath('temp','32','iTunes.msi'),'iTunes.msi')
+        os.rename(makepath('temp','64','iTunes64.msi'),'iTunes64.msi')
+        pe.version = version + '-0'
+        pe.save_control_to_wapt('.')
+    print('Removing temp files')
+    remove_tree('temp')
+
 def audit():
     is_installed = False
     for soft in installed_softwares('iTunes'):