| #!/usr/bin/env python |
| # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """This script is used by chrome_tests.gypi's js2webui action to maintain the |
| argument lists and to generate inlinable tests. |
| """ |
| |
| from __future__ import print_function |
| |
| import json |
| import optparse |
| import os |
| import subprocess |
| import sys |
| import shutil |
| |
| |
| def HasSameContent(filename, content): |
| '''Returns true if the given file is readable and has the given content.''' |
| try: |
| with open(filename) as file: |
| return file.read() == content |
| except: |
| # Ignore all errors and fall back on a safe bet. |
| return False |
| |
| |
| def main (): |
| parser = optparse.OptionParser() |
| parser.set_usage("%prog v8_shell test_api.js js2webui.js " |
| "testtype inputfile srcrootdir cxxoutfile jsoutfile") |
| parser.add_option('-v', '--verbose', action='store_true') |
| parser.add_option('-n', '--impotent', action='store_true', |
| help="don't execute; just print (as if verbose)") |
| parser.add_option('--deps_js', action="store", |
| help=("Path to deps.js for dependency resolution, " + |
| "optional.")) |
| parser.add_option('--external', action='store', |
| help="Load V8's initial snapshot from external files (y/n)") |
| (opts, args) = parser.parse_args() |
| |
| if len(args) != 8: |
| parser.error('all arguments are required.') |
| (v8_shell, test_api, js2webui, test_type, inputfile, srcrootdir, cxxoutfile, |
| jsoutfile) = args |
| cmd = [v8_shell] |
| arguments = [js2webui, inputfile, srcrootdir, opts.deps_js, |
| cxxoutfile, test_type] |
| cmd.extend(['-e', "arguments=" + json.dumps(arguments), test_api, js2webui]) |
| if opts.verbose or opts.impotent: |
| print(cmd) |
| if not opts.impotent: |
| try: |
| p = subprocess.Popen( |
| cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=0) |
| out, err = p.communicate() |
| if p.returncode != 0: |
| sys.stderr.write(out + err); |
| return 1 |
| if not HasSameContent(cxxoutfile, out): |
| with open(cxxoutfile, 'wb') as f: |
| f.write(out) |
| shutil.copyfile(inputfile, jsoutfile) |
| except Exception, ex: |
| if os.path.exists(cxxoutfile): |
| os.remove(cxxoutfile) |
| if os.path.exists(jsoutfile): |
| os.remove(jsoutfile) |
| raise |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |