| #!/usr/bin/python |
| # Copyright 2014 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. |
| |
| """Generates the contents of an Cronet LICENSE file for the third-party code. |
| |
| It makes use of src/tools/licenses.py and the README.chromium files on which |
| it depends. Based on android_webview/tools/webview_licenses.py. |
| """ |
| |
| import optparse |
| import os |
| import sys |
| import textwrap |
| |
| REPOSITORY_ROOT = os.path.abspath(os.path.join( |
| os.path.dirname(__file__), '..', '..', '..')) |
| |
| sys.path.append(os.path.join(REPOSITORY_ROOT, 'tools')) |
| import licenses |
| |
| def _ReadFile(path): |
| """Reads a file from disk. |
| Args: |
| path: The path of the file to read, relative to the root of the repository. |
| Returns: |
| The contents of the file as a string. |
| """ |
| return open(os.path.join(REPOSITORY_ROOT, path), 'rb').read() |
| |
| |
| def GenerateLicense(): |
| """Generates the contents of an Cronet LICENSE file for the third-party code. |
| Returns: |
| The contents of the LICENSE file. |
| """ |
| # TODO(mef): Generate list of third_party libraries using checkdeps. |
| third_party_dirs = [ |
| "libevent", |
| "ashmem", |
| "zlib", |
| "modp_b64", |
| "openssl" |
| ] |
| |
| # Start with Chromium's LICENSE file |
| content = [_ReadFile('LICENSE')] |
| |
| # Add necessary third_party. |
| for directory in sorted(third_party_dirs): |
| metadata = licenses.ParseDir("third_party/" + directory, REPOSITORY_ROOT, |
| require_license_file=True) |
| content.append("-" * 20) |
| content.append(directory) |
| content.append("-" * 20) |
| license_file = metadata['License File'] |
| if license_file and license_file != licenses.NOT_SHIPPED: |
| content.append(_ReadFile(license_file)) |
| |
| return '\n'.join(content) |
| |
| |
| def main(): |
| class FormatterWithNewLines(optparse.IndentedHelpFormatter): |
| def format_description(self, description): |
| paras = description.split('\n') |
| formatted_paras = [textwrap.fill(para, self.width) for para in paras] |
| return '\n'.join(formatted_paras) + '\n' |
| |
| parser = optparse.OptionParser(formatter=FormatterWithNewLines(), |
| usage='%prog command [options]') |
| parser.description = (__doc__ + |
| '\nCommands:\n' \ |
| ' license [filename]\n' \ |
| ' Generate Cronet LICENSE to filename or stdout.\n') |
| (_, args) = parser.parse_args() |
| if not args: |
| parser.print_help() |
| return 1 |
| |
| if args[0] == 'license': |
| if len(args) > 1: |
| print 'Saving license to %s' % args[1] |
| f = open(args[1], "w") |
| try: |
| f.write(GenerateLicense()) |
| finally: |
| f.close() |
| else: |
| print GenerateLicense() |
| return 0 |
| |
| parser.print_help() |
| return 1 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |