146 lines
5.2 KiB
Python
146 lines
5.2 KiB
Python
#!/usr/bin/python
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# Copyright 2016 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""Generates license HTML for a prebuilt version of WebRTC for iOS."""
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import sys
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import argparse
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import cgi
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import fnmatch
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import os
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import re
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import textwrap
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LIB_TO_LICENSES_DICT = {
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'boringssl': ['third_party/boringssl/src/LICENSE'],
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'expat': ['third_party/expat/files/COPYING'],
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'jsoncpp': ['third_party/jsoncpp/LICENSE'],
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'opus': ['third_party/opus/src/COPYING'],
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'protobuf_lite': ['third_party/protobuf/LICENSE'],
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'srtp': ['third_party/libsrtp/srtp/LICENSE'],
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'usrsctplib': ['third_party/usrsctp/LICENSE'],
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'webrtc': ['webrtc/LICENSE', 'webrtc/LICENSE_THIRD_PARTY'],
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'vpx': ['third_party/libvpx/source/libvpx/LICENSE'],
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'yuv': ['third_party/libyuv/LICENSE'],
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}
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SCRIPT_DIR = os.path.dirname(os.path.realpath(sys.argv[0]))
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CHECKOUT_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir,
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os.pardir))
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TALK_ROOT = os.path.join(CHECKOUT_ROOT, 'talk')
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WEBRTC_ROOT = os.path.join(CHECKOUT_ROOT, 'webrtc')
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def GetWebRTCGypFilePaths():
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gyp_filepaths = []
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search_roots = [TALK_ROOT, WEBRTC_ROOT]
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for search_root in search_roots:
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for root, _, filenames in os.walk(search_root):
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for filename in fnmatch.filter(filenames, '*.gyp*'):
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gyp_filepaths.append(os.path.join(root, filename))
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return gyp_filepaths
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def GetWebRTCTargetNames():
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gyp_filepaths = GetWebRTCGypFilePaths()
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target_names = []
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for gyp_filepath in gyp_filepaths:
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with open(gyp_filepath, 'r') as gyp_file:
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for line in gyp_file:
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match = re.search(r'\'target_name\'.*\'(\w+)\'', line)
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if match:
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target_name = match.group(1)
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target_names.append(target_name)
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return target_names
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class LicenseBuilder(object):
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def __init__(self):
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self.webrtc_target_names = GetWebRTCTargetNames()
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def IsWebRTCLib(self, lib_name):
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alternate_lib_name = 'lib' + lib_name
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return (lib_name in self.webrtc_target_names or
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alternate_lib_name in self.webrtc_target_names)
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def GenerateLicenseText(self, static_lib_dir, output_dir):
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# Get a list of libs from the files without their prefix and extension.
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static_libs = []
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for static_lib in os.listdir(static_lib_dir):
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# Skip non libraries.
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if not (static_lib.endswith('.a') and static_lib.startswith('lib')):
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continue
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# Extract library name.
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static_libs.append(static_lib[3:-2])
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# Generate amalgamated list of libraries. Mostly this just collapses the
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# various WebRTC libs names into just 'webrtc'. Will exit with error if a
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# lib is unrecognized.
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license_libs = set()
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for static_lib in static_libs:
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license_lib = 'webrtc' if self.IsWebRTCLib(static_lib) else static_lib
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license_path = LIB_TO_LICENSES_DICT.get(license_lib)
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if license_path is None:
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print 'Missing license path for lib: %s' % license_lib
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return 1
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license_libs.add(license_lib)
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# Put webrtc at the front of the list.
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assert 'webrtc' in license_libs
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license_libs.remove('webrtc')
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license_libs = sorted(license_libs)
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license_libs.insert(0, 'webrtc')
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# Generate HTML.
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output_license_file = open(os.path.join(output_dir, 'LICENSE.html'), 'w+')
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output_license_file.write('<!DOCTYPE html>\n')
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output_license_file.write('<html>\n<head>\n')
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output_license_file.write('<meta charset="UTF-8">\n')
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output_license_file.write('<title>Licenses</title>\n')
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style_tag = textwrap.dedent('''\
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<style>
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body { margin: 0; font-family: sans-serif; }
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pre { background-color: #eeeeee; padding: 1em; white-space: pre-wrap; }
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p { margin: 1em; white-space: nowrap; }
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</style>
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''')
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output_license_file.write(style_tag)
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output_license_file.write('</head>\n')
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for license_lib in license_libs:
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output_license_file.write('<p>%s<br/></p>\n' % license_lib)
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output_license_file.write('<pre>\n')
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for path in LIB_TO_LICENSES_DICT[license_lib]:
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license_path = os.path.join(CHECKOUT_ROOT, path)
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with open(license_path, 'r') as license_file:
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license_text = cgi.escape(license_file.read(), quote=True)
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output_license_file.write(license_text)
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output_license_file.write('\n')
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output_license_file.write('</pre>\n')
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output_license_file.write('</body>\n')
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output_license_file.write('</html>')
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output_license_file.close()
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return 0
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Generate WebRTC LICENSE.html')
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parser.add_argument('static_lib_dir',
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help='Directory with built static libraries.')
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parser.add_argument('output_dir',
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help='Directory to output LICENSE.html to.')
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args = parser.parse_args()
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builder = LicenseBuilder()
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sys.exit(builder.GenerateLicenseText(args.static_lib_dir, args.output_dir))
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