DO NOT SUBMIT. Implement an XPCService for notifications.

build/config/mac/write_pkg_info.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import argparse
 import os
 import plistlib
 import sys
 
 # This script creates a PkgInfo file for an OS X .app bundle's plist.
 # Usage: python write_pkg_info.py --plist Foo.app/Contents/Info.plist \
 #           --output Foo.app/Contents/PkgInfo
 
 def Main():
   parser = argparse.ArgumentParser(
       description='A script to write PkgInfo files for .app bundles.')
   parser.add_argument('--plist', required=True,
                       help='Path to the Info.plist for the .app.')
   parser.add_argument('--output', required=True,
                       help='Path to the desired output file.')
   args = parser.parse_args()
 
   # Remove the output if it exists already.
   if os.path.exists(args.output):
     os.unlink(args.output)
 
   plist = plistlib.readPlist(args.plist)
   package_type = plist['CFBundlePackageType']
-  if package_type != 'APPL':
-    raise ValueError('Expected CFBundlePackageType to be %s, got %s' % \
-        ('AAPL', package_type))
+  #if package_type != 'APPL':
+  #  raise ValueError('Expected CFBundlePackageType to be %s, got %s' % \
+  #      ('AAPL', package_type))
 
   # The format of PkgInfo is eight characters, representing the bundle type
   # and bundle signature, each four characters. If that is missing, four
   # '?' characters are used instead.
   signature_code = plist.get('CFBundleSignature', '????')
   if len(signature_code) != 4:
     raise ValueError('CFBundleSignature should be exactly four characters, ' +
         'got %s' % signature_code)
 
   with open(args.output, 'w') as fp:
     fp.write('%s%s' % (package_type, signature_code))
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(Main())