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| 1 #!/usr/bin/python | |
| 2 | |
| 3 # Copyright 2016 The WebRTC project authors. All Rights Reserved. | |
| 4 # | |
| 5 # Use of this source code is governed by a BSD-style license | |
| 6 # that can be found in the LICENSE file in the root of the source | |
| 7 # tree. An additional intellectual property rights grant can be found | |
| 8 # in the file PATENTS. All contributing project authors may | |
| 9 # be found in the AUTHORS file in the root of the source tree. | |
| 10 | |
| 11 """Generates license HTML for a prebuilt version of WebRTC for iOS.""" | |
| 12 | |
| 13 import sys | |
| 14 | |
| 15 import argparse | |
| 16 import cgi | |
| 17 import os | |
| 18 import re | |
| 19 import textwrap | |
| 20 import subprocess | |
| 21 | |
| 22 | |
| 23 LIB_TO_LICENSES_DICT = { | |
| 24 'boringssl': ['third_party/boringssl/src/LICENSE'], | |
| 25 'expat': ['third_party/expat/files/COPYING'], | |
| 26 'jsoncpp': ['third_party/jsoncpp/LICENSE'], | |
| 27 'opus': ['third_party/opus/src/COPYING'], | |
| 28 'protobuf': ['third_party/protobuf/LICENSE'], | |
| 29 'libsrtp': ['third_party/libsrtp/LICENSE'], | |
| 30 'usrsctp': ['third_party/usrsctp/LICENSE'], | |
| 31 'webrtc': ['webrtc/LICENSE', 'webrtc/LICENSE_THIRD_PARTY'], | |
| 32 'libvpx': ['third_party/libvpx/source/libvpx/LICENSE'], | |
| 33 'libyuv': ['third_party/libyuv/LICENSE'], | |
| 34 } | |
| 35 | |
| 36 SCRIPT_DIR = os.path.dirname(os.path.realpath(sys.argv[0])) | |
| 37 CHECKOUT_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir)) | |
| 38 WEBRTC_ROOT = os.path.join(CHECKOUT_ROOT, 'webrtc') | |
| 39 | |
| 40 | |
| 41 def GetThirdPartyLibraries(buildfile_dir, target_name): | |
| 42 def ExtractLibName(string_list): | |
| 43 # Sample input: | |
| 44 # [" //third_party/usrsctp:usrsctp", " //webrtc:webrtc_common"] | |
| 45 # Sample output: | |
| 46 # ["usrsctp"] | |
| 47 return re.sub(r'\(.*\)', '', string_list).strip().split( | |
| 48 os.path.sep)[-1].split(':')[0] | |
| 49 output = subprocess.check_output( | |
| 50 ["gn", "desc", buildfile_dir, target_name, '--all']) .split(os.linesep) | |
| 51 return [ExtractLibName(x) for x in output if re.search(r'third_party', x)] | |
| 52 | |
| 53 | |
| 54 class LicenseBuilder(object): | |
| 55 | |
| 56 def __init__(self, buildfile_dirs, target_name): | |
| 57 self.buildfile_dirs = buildfile_dirs | |
| 58 self.target_name = target_name | |
| 59 | |
| 60 def GenerateLicenseText(self, output_dir): | |
| 61 # Get a list of third_party libs from gn. For fat libraries we must consider | |
| 62 # all architectures, hence the multiple buildfile directories. | |
| 63 # The `sum` function flattens the 2d list. | |
| 64 third_party_libs = sum([GetThirdPartyLibraries(buildfile, self.target_name) | |
| 65 for buildfile in self.buildfile_dirs], []) | |
| 66 | |
| 67 # Generate amalgamated list of libraries. Will exit with error if a | |
| 68 # lib is unrecognized. | |
| 69 license_libs = set() | |
| 70 for static_lib in third_party_libs: | |
| 71 license_path = LIB_TO_LICENSES_DICT.get(static_lib) | |
| 72 if static_lib == 'yasm': | |
| 73 # yasm is a build-time dep only, and doesn't need a license. | |
| 74 continue | |
| 75 if license_path is None: | |
| 76 print 'Missing license path for lib: %s' % static_lib | |
| 77 return 1 | |
| 78 license_libs.add(static_lib) | |
| 79 | |
| 80 # Put webrtc at the front of the list. | |
| 81 license_libs = sorted(license_libs) | |
| 82 license_libs.insert(0, 'webrtc') | |
| 83 | |
| 84 # Generate HTML. | |
| 85 output_license_file = open(os.path.join(output_dir, 'LICENSE.html'), 'w+') | |
| 86 output_license_file.write('<!DOCTYPE html>\n') | |
| 87 output_license_file.write('<html>\n<head>\n') | |
| 88 output_license_file.write('<meta charset="UTF-8">\n') | |
| 89 output_license_file.write('<title>Licenses</title>\n') | |
| 90 style_tag = textwrap.dedent('''\ | |
| 91 <style> | |
| 92 body { margin: 0; font-family: sans-serif; } | |
| 93 pre { background-color: #eeeeee; padding: 1em; white-space: pre-wrap; } | |
| 94 p { margin: 1em; white-space: nowrap; } | |
| 95 </style> | |
| 96 ''') | |
| 97 output_license_file.write(style_tag) | |
| 98 output_license_file.write('</head>\n') | |
| 99 | |
| 100 for license_lib in license_libs: | |
| 101 output_license_file.write('<p>%s<br/></p>\n' % license_lib) | |
| 102 output_license_file.write('<pre>\n') | |
| 103 for path in LIB_TO_LICENSES_DICT[license_lib]: | |
| 104 license_path = os.path.join(CHECKOUT_ROOT, path) | |
| 105 with open(license_path, 'r') as license_file: | |
| 106 license_text = cgi.escape(license_file.read(), quote=True) | |
| 107 output_license_file.write(license_text) | |
| 108 output_license_file.write('\n') | |
| 109 output_license_file.write('</pre>\n') | |
| 110 | |
| 111 output_license_file.write('</body>\n') | |
| 112 output_license_file.write('</html>') | |
| 113 output_license_file.close() | |
| 114 return 0 | |
| 115 | |
| 116 | |
| 117 def main(): | |
| 118 parser = argparse.ArgumentParser(description='Generate WebRTC LICENSE.html') | |
| 119 parser.add_argument('target_name', | |
| 120 help='Name of the GN target to generate a license for') | |
| 121 parser.add_argument('output_dir', | |
| 122 help='Directory to output LICENSE.html to.') | |
| 123 parser.add_argument('buildfile_dirs', nargs="+", | |
| 124 help='Directories containing gn generated ninja files') | |
| 125 args = parser.parse_args() | |
| 126 builder = LicenseBuilder(args.buildfile_dirs, args.target_name) | |
| 127 sys.exit(builder.GenerateLicenseText(args.output_dir)) | |
| 128 | |
| 129 | |
| 130 if __name__ == '__main__': | |
| 131 main() | |
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Chromium Code Reviews
Issue 2864213004:
Rename tools-webrtc -> tools_webrtc (Closed)
