mac_tool.py 文件源码

def _WritePkgInfo(self, info_plist):
    """This writes the PkgInfo file from the data stored in Info.plist."""
    plist = plistlib.readPlist(info_plist)
    if not plist:
      return

    # Only create PkgInfo for executable types.
    package_type = plist['CFBundlePackageType']
    if package_type != 'APPL':
      return

    # 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:  # Wrong length resets everything, too.
      signature_code = '?' * 4

    dest = os.path.join(os.path.dirname(info_plist), 'PkgInfo')
    fp = open(dest, 'w')
    fp.write('%s%s' % (package_type, signature_code))
    fp.close()