Telemetry: More elegant histogram printing.
[chromium-blink-merge.git] / tools / gypv8sh.py
blobc45dbfdea68ce4997a6bff4d418c9be956b65121
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.
6 """This script is used by chrome_tests.gypi's js2webui action to maintain the
7 argument lists and to generate inlinable tests.
9 Usage:
10 python tools/gypv8sh.py v8_shell mock.js test_api.js js2webui.js \
11 inputfile inputrelfile cxxoutfile jsoutfile
12 """
14 import json
15 import optparse
16 import os
17 import subprocess
18 import sys
19 import shutil
22 def main ():
23 parser = optparse.OptionParser()
24 parser.set_usage(
25 "%prog v8_shell mock.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()
32 if len(args) != 9:
33 parser.error('all arguments are required.')
34 (v8_shell, mock_js, test_api, js2webui, test_type,
35 inputfile, inputrelfile, cxxoutfile, jsoutfile) = args
36 arguments = [js2webui, inputfile, inputrelfile, cxxoutfile, test_type]
37 cmd = [v8_shell, '-e', "arguments=" + json.dumps(arguments), mock_js,
38 test_api, js2webui]
39 if opts.verbose or opts.impotent:
40 print cmd
41 if not opts.impotent:
42 try:
43 with open(cxxoutfile, 'w') as f:
44 subprocess.check_call(cmd, stdin=subprocess.PIPE, stdout=f)
45 shutil.copyfile(inputfile, jsoutfile)
46 except Exception, ex:
47 if os.path.exists(cxxoutfile):
48 os.remove(cxxoutfile)
49 if os.path.exists(jsoutfile):
50 os.remove(jsoutfile)
51 raise
54 if __name__ == '__main__':
55 sys.exit(main())