2 # Copyright 2014 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 """Generates the contents of an Cronet LICENSE file for the third-party code.
8 It makes use of src/tools/licenses.py and the README.chromium files on which
9 it depends. Based on android_webview/tools/webview_licenses.py.
17 REPOSITORY_ROOT = os.path.abspath(os.path.join(
18 os.path.dirname(__file__), '..', '..', '..'))
20 sys.path.append(os.path.join(REPOSITORY_ROOT, 'tools'))
24 """Reads a file from disk.
26 path: The path of the file to read, relative to the root of the repository.
28 The contents of the file as a string.
30 return open(os.path.join(REPOSITORY_ROOT, path), 'rb').read()
33 def GenerateLicense():
34 """Generates the contents of an Cronet LICENSE file for the third-party code.
36 The contents of the LICENSE file.
38 # TODO(mef): Generate list of third_party libraries using checkdeps.
47 # Start with Chromium's LICENSE file
48 content = [_ReadFile('LICENSE')]
50 # Add necessary third_party.
51 for directory in sorted(third_party_dirs):
52 metadata = licenses.ParseDir("third_party/" + directory, REPOSITORY_ROOT,
53 require_license_file=True)
54 content.append("-" * 20)
55 content.append(directory)
56 content.append("-" * 20)
57 license_file = metadata['License File']
58 if license_file and license_file != licenses.NOT_SHIPPED:
59 content.append(_ReadFile(license_file))
61 return '\n'.join(content)
65 class FormatterWithNewLines(optparse.IndentedHelpFormatter):
66 def format_description(self, description):
67 paras = description.split('\n')
68 formatted_paras = [textwrap.fill(para, self.width) for para in paras]
69 return '\n'.join(formatted_paras) + '\n'
71 parser = optparse.OptionParser(formatter=FormatterWithNewLines(),
72 usage='%prog command [options]')
73 parser.description = (__doc__ +
75 ' license [filename]\n' \
76 ' Generate Cronet LICENSE to filename or stdout.\n')
77 (_, args) = parser.parse_args()
82 if args[0] == 'license':
84 print 'Saving license to %s' % args[1]
85 f = open(args[1], "w")
87 f.write(GenerateLicense())
91 print GenerateLicense()
98 if __name__ == '__main__':