| #!/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 argparse |
| 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, 'rb') as file: |
| return file.read() == content |
| except: |
| # Ignore all errors and fall back on a safe bet. |
| return False |
| |
| |
| def main (): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('v8_shell') |
| parser.add_argument('test_api_js') |
| parser.add_argument('js2webui_js') |
| parser.add_argument('test_type') |
| parser.add_argument('inputfile') |
| parser.add_argument('srcrootdir') |
| parser.add_argument('cxxoutfile') |
| parser.add_argument('jsoutfile') |
| parser.add_argument('-v', '--verbose', action='store_true') |
| parser.add_argument('-n', |
| '--impotent', |
| action='store_true', |
| help="don't execute; just print (as if verbose)") |
| parser.add_argument('--deps_js', |
| action="store", |
| help=("Path to deps.js for dependency resolution, " + |
| "optional.")) |
| parser.add_argument('--external', |
| action='store', |
| help="Load V8's initial snapshot from " + |
| "external files (y/n)") |
| args = parser.parse_args() |
| |
| cmd = [args.v8_shell] |
| arguments = [ |
| args.js2webui_js, args.inputfile, args.srcrootdir, args.deps_js, |
| args.cxxoutfile, args.test_type |
| ] |
| cmd.extend([ |
| '-e', "arguments=" + json.dumps(arguments), args.test_api_js, |
| args.js2webui_js |
| ]) |
| if args.verbose or args.impotent: |
| print(cmd) |
| if not args.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).decode('utf-8')) |
| return 1 |
| if not HasSameContent(args.cxxoutfile, out): |
| with open(args.cxxoutfile, 'wb') as f: |
| f.write(out) |
| shutil.copyfile(args.inputfile, args.jsoutfile) |
| except Exception as ex: |
| if os.path.exists(args.cxxoutfile): |
| os.remove(args.cxxoutfile) |
| if os.path.exists(args.jsoutfile): |
| os.remove(args.jsoutfile) |
| raise |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |