remoting/tools/jscompile.py

   1 #!/usr/bin/python
   2 # Copyright 2014 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 import argparse
   7 import subprocess
   8 import sys
   9 import os
  10
  11 DESCRIPTION = '''Run the given JavaScript files through jscompile.'''
  12 FILES_HELP = '''A list of Javascript files. The Javascript files should include
  13 files that contain definitions of types or functions that are known to Chrome
  14 but not to jscompile.'''
  15 STAMP_HELP = 'Timestamp file to update on success.'
  16
  17 def checkJavascript(js_files):
  18   args = ['jscompile'] + js_files
  19   result = subprocess.call(args)
  20   return result == 0
  21
  22
  23 def main():
  24   parser = argparse.ArgumentParser(description = DESCRIPTION)
  25   parser.add_argument('files', nargs = '+', help = FILES_HELP)
  26   parser.add_argument('--success-stamp', dest = 'success_stamp',
  27                       help = STAMP_HELP)
  28   options = parser.parse_args()
  29
  30   js = []
  31   for file in options.files:
  32     name, extension = os.path.splitext(file)
  33     if extension == '.js':
  34       js.append(file)
  35     else:
  36       print >> sys.stderr, 'Unknown extension (' + extension + ') for ' + file
  37       return 1
  38
  39   if not checkJavascript(js):
  40     return 1
  41
  42   if options.success_stamp:
  43     with open(options.success_stamp, 'w'):
  44       os.utime(options.success_stamp, None)
  45
  46   return 0
  47
  48 if __name__ == '__main__':
  49   sys.exit(main())