Don't preload rarely seen large images
[chromium-blink-merge.git] / components / cronet / tools / cronet_licenses.py
blobdb0d1bd075ce12dab689f863398388736ecba684
1 #!/usr/bin/python
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.
10 """
12 import optparse
13 import os
14 import sys
15 import textwrap
17 REPOSITORY_ROOT = os.path.abspath(os.path.join(
18 os.path.dirname(__file__), '..', '..', '..'))
20 sys.path.append(os.path.join(REPOSITORY_ROOT, 'tools'))
21 import licenses
23 def _ReadFile(path):
24 """Reads a file from disk.
25 Args:
26 path: The path of the file to read, relative to the root of the repository.
27 Returns:
28 The contents of the file as a string.
29 """
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.
35 Returns:
36 The contents of the LICENSE file.
37 """
38 # TODO(mef): Generate list of third_party libraries using checkdeps.
39 third_party_dirs = [
40 "libevent",
41 "ashmem",
42 "zlib",
43 "modp_b64",
44 "boringssl"
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)
64 def main():
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__ +
74 '\nCommands:\n' \
75 ' license [filename]\n' \
76 ' Generate Cronet LICENSE to filename or stdout.\n')
77 (_, args) = parser.parse_args()
78 if not args:
79 parser.print_help()
80 return 1
82 if args[0] == 'license':
83 if len(args) > 1:
84 print 'Saving license to %s' % args[1]
85 f = open(args[1], "w")
86 try:
87 f.write(GenerateLicense())
88 finally:
89 f.close()
90 else:
91 print GenerateLicense()
92 return 0
94 parser.print_help()
95 return 1
98 if __name__ == '__main__':
99 sys.exit(main())