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gerrit.openfyde.cn / webrtc.googlesource.com / src / cb067fa117afd9ef4e1e18daf97a7bdd35888a75 / . / tools-webrtc / ios / generate_licenses.py
blob: 5c9b4cfe3be2f815a07e1e5cc36cf3af2e028568 [file] [log] [blame]
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]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
13import sys
14
15import argparse
16import cgi
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]17import os
18import re
19import textwrap
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]20import subprocess
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]21
22
23LIB_TO_LICENSES_DICT = {
tkchine76db892016-05-06 11:19:46 -0700[diff] [blame]24 'boringssl': ['third_party/boringssl/src/LICENSE'],
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]25 'expat': ['third_party/expat/files/COPYING'],
26 'jsoncpp': ['third_party/jsoncpp/LICENSE'],
27 'opus': ['third_party/opus/src/COPYING'],
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]28 'protobuf': ['third_party/protobuf/LICENSE'],
29 'libsrtp': ['third_party/libsrtp/LICENSE'],
30 'usrsctp': ['third_party/usrsctp/LICENSE'],
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]31 'webrtc': ['webrtc/LICENSE', 'webrtc/LICENSE_THIRD_PARTY'],
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]32 'libvpx': ['third_party/libvpx/source/libvpx/LICENSE'],
33 'libyuv': ['third_party/libyuv/LICENSE'],
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]34}
35
36SCRIPT_DIR = os.path.dirname(os.path.realpath(sys.argv[0]))
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]37CHECKOUT_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir))
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]38WEBRTC_ROOT = os.path.join(CHECKOUT_ROOT, 'webrtc')
39
kjellanderdd460e22017-04-12 12:06:13 -0700[diff] [blame]40
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]41def GetThirdPartyLibraries(buildfile_dir, target_name):
kjellanderdd460e22017-04-12 12:06:13 -0700[diff] [blame]42 def ExtractLibName(string_list):
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]43 # Sample input:
44 # [" //third_party/usrsctp:usrsctp", " //webrtc:webrtc_common"]
45 # Sample output:
46 # ["usrsctp"]
kjellanderdd460e22017-04-12 12:06:13 -0700[diff] [blame]47 return re.sub(r'\(.*\)', '', string_list).strip().split(
48 os.path.sep)[-1].split(':')[0]
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]49 output = subprocess.check_output(
50 ["gn", "desc", buildfile_dir, target_name, '--all']) .split(os.linesep)
kjellanderdd460e22017-04-12 12:06:13 -0700[diff] [blame]51 return [ExtractLibName(x) for x in output if re.search(r'third_party', x)]
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]52
53
54class LicenseBuilder(object):
55
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]56 def __init__(self, buildfile_dirs, target_name):
57 self.buildfile_dirs = buildfile_dirs
58 self.target_name = target_name
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]59
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]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], [])
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]66
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]67 # Generate amalgamated list of libraries. Will exit with error if a
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]68 # lib is unrecognized.
69 license_libs = set()
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]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
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]75 if license_path is None:
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]76 print 'Missing license path for lib: %s' % static_lib
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]77 return 1
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]78 license_libs.add(static_lib)
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]79
80 # Put webrtc at the front of the list.
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]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
kjellanderdd460e22017-04-12 12:06:13 -0700[diff] [blame]117def main():
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]118 parser = argparse.ArgumentParser(description='Generate WebRTC LICENSE.html')
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]119 parser.add_argument('target_name',
120 help='Name of the GN target to generate a license for')
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]121 parser.add_argument('output_dir',
122 help='Directory to output LICENSE.html to.')
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]123 parser.add_argument('buildfile_dirs', nargs="+",
124 help='Directories containing gn generated ninja files')
tkchin0090b682016-04-28 18:02:27 -0700[diff] [blame]125 args = parser.parse_args()
kthelgason96feb2a2017-03-13 08:05:59 -0700[diff] [blame]126 builder = LicenseBuilder(args.buildfile_dirs, args.target_name)
127 sys.exit(builder.GenerateLicenseText(args.output_dir))
kjellanderdd460e22017-04-12 12:06:13 -0700[diff] [blame]128
129
130if __name__ == '__main__':
131 main()