tools/gypv8sh.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2012 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 """This script is used by chrome_tests.gypi's js2webui action to maintain the
   7 argument lists and to generate inlinable tests.
   8
   9 Usage:
  10   python tools/gypv8sh.py v8_shell mock.js test_api.js js2webui.js \
  11          inputfile inputrelfile cxxoutfile jsoutfile
  12 """
  13
  14 import json
  15 import optparse
  16 import os
  17 import subprocess
  18 import sys
  19 import shutil
  20
  21
  22 def main ():
  23   parser = optparse.OptionParser()
  24   parser.set_usage(
  25       "%prog v8_shell mock.js axs_testing.js test_api.js js2webui.js "
  26       "testtype inputfile inputrelfile cxxoutfile jsoutfile")
  27   parser.add_option('-v', '--verbose', action='store_true')
  28   parser.add_option('-n', '--impotent', action='store_true',
  29                     help="don't execute; just print (as if verbose)")
  30   (opts, args) = parser.parse_args()
  31
  32   if len(args) != 10:
  33     parser.error('all arguments are required.')
  34   (v8_shell, mock_js, axs_testing_js, test_api, js2webui, test_type,
  35       inputfile, inputrelfile, cxxoutfile, jsoutfile) = args
  36   cmd = [v8_shell]
  37   icudatafile = os.path.join(os.path.dirname(v8_shell), 'icudtl.dat')
  38   if os.path.exists(icudatafile):
  39     cmd.extend(['--icu-data-file=%s' % icudatafile])
  40   arguments = [js2webui, inputfile, inputrelfile, cxxoutfile, test_type]
  41   cmd.extend(['-e', "arguments=" + json.dumps(arguments), mock_js,
  42          axs_testing_js, test_api, js2webui])
  43   if opts.verbose or opts.impotent:
  44     print cmd
  45   if not opts.impotent:
  46     try:
  47       with open(cxxoutfile, 'w') as f:
  48         subprocess.check_call(cmd, stdin=subprocess.PIPE, stdout=f)
  49       shutil.copyfile(inputfile, jsoutfile)
  50     except Exception, ex:
  51       if os.path.exists(cxxoutfile):
  52         # The contents of the output file will include the error message.
  53         print open(cxxoutfile).read()
  54         os.remove(cxxoutfile)
  55       if os.path.exists(jsoutfile):
  56         os.remove(jsoutfile)
  57       raise
  58
  59
  60 if __name__ == '__main__':
  61  sys.exit(main())