# Copyright 2016 The Chromium Authors # 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 plist_util 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. try:
os.unlink(args.output) except FileNotFoundError: pass
plist = plist_util.LoadPList(args.plist)
package_type = plist['CFBundlePackageType'] if package_type != 'APPL': raise ValueError('Expected CFBundlePackageType to be %s, got %s' % \
('APPL', 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)) return0
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