tools/win/split_link/check_installed.py

   1 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import os
   6 import sys
   7
   8
   9 def IsAvailable():
  10   _winreg = None
  11   if sys.platform == 'win32':
  12     import _winreg
  13   elif sys.platform == 'cygwin':
  14     try:
  15       import cygwinreg as _winreg
  16     except ImportError:
  17       pass  # If not available, be safe and write 0.
  18
  19   if not _winreg:
  20     return False
  21
  22   try:
  23     val = _winreg.QueryValue(_winreg.HKEY_CURRENT_USER,
  24                              'Software\\Chromium\\split_link_installed')
  25     return os.path.exists(val)
  26   except WindowsError:
  27     pass
  28
  29   return False
  30
  31
  32 def main():
  33   # Can be called from gyp to set variable.
  34   if IsAvailable():
  35     sys.stdout.write('1')
  36   else:
  37     print >> sys.stderr, "Couldn't find split_link installation."
  38     print >> sys.stderr, ('Run python tools\\win\\split_link\\'
  39                           'install_split_link.py from an elevated Visual '
  40                           'Studio Command Prompt to install.')
  41     sys.stdout.write('0')
  42     return 1
  43
  44
  45 if __name__ == '__main__':
  46   sys.exit(main())