2 # Copyright (c) 2012 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 """Makes sure that all files contain proper licensing information."""
17 print """Usage: python checklicenses.py [--root <root>] [tocheck]
18 --root Specifies the repository root. This defaults to "../.." relative
19 to the script file. This will be correct given the normal location
20 of the script in "<root>/tools/checklicenses".
22 --ignore-suppressions Ignores path-specific license whitelist. Useful when
23 trying to remove a suppression/whitelist entry.
25 tocheck Specifies the directory, relative to root, to check. This defaults
26 to "." so it checks everything.
29 python checklicenses.py
30 python checklicenses.py --root ~/chromium/src third_party"""
33 WHITELISTED_LICENSES = [
34 'Anti-Grain Geometry',
36 'Apache (v2.0) BSD (2 clause)',
37 'Apache (v2.0) GPL (v2)',
38 'Apple MIT', # https://fedoraproject.org/wiki/Licensing/Apple_MIT_License
40 'APSL (v2) BSD (4 clause)',
44 'BSD (2 clause) MIT/X11 (BSD like)',
46 'BSD (3 clause) GPL (v2)',
48 'BSD (3 clause) LGPL (v2 or later)',
49 'BSD (3 clause) LGPL (v2.1 or later)',
50 'BSD (3 clause) MIT/X11 (BSD like)',
54 # TODO(phajdan.jr): Make licensecheck not print BSD-like twice.
55 'BSD-like MIT/X11 (BSD like)',
58 'FreeType (BSD like)',
59 'FreeType (BSD like) with patent clause',
60 'GPL (v2) LGPL (v2.1 or later)',
61 'GPL (v2 or later) with Bison parser exception',
62 'GPL (v2 or later) with libtool exception',
63 'GPL (v3 or later) with Bison parser exception',
64 'GPL with Bison parser exception',
65 'Independent JPEG Group License',
67 'LGPL (unversioned/unknown version)',
71 'LGPL (v2.1 or later)',
74 'MIT/X11 (BSD like) LGPL (v2.1 or later)',
75 'MPL (v1.0) LGPL (v2 or later)',
77 'MPL (v1.1) BSD (3 clause) GPL (v2) LGPL (v2.1 or later)',
78 'MPL (v1.1) BSD (3 clause) LGPL (v2.1 or later)',
79 'MPL (v1.1) BSD-like',
80 'MPL (v1.1) BSD-like GPL (unversioned/unknown version)',
81 'MPL (v1.1) BSD-like GPL (v2) LGPL (v2.1 or later)',
82 'MPL (v1.1) GPL (v2)',
83 'MPL (v1.1) GPL (v2) LGPL (v2 or later)',
84 'MPL (v1.1) GPL (v2) LGPL (v2.1 or later)',
85 'MPL (v1.1) GPL (unversioned/unknown version)',
86 'MPL (v1.1) LGPL (v2 or later)',
87 'MPL (v1.1) LGPL (v2.1 or later)',
92 'Public domain BSD (3 clause)',
93 'Public domain BSD-like',
94 'Public domain LGPL (v2.1 or later)',
97 'SGI Free Software License B',
99 'University of Illinois/NCSA Open Source License (BSD like)',
100 ('University of Illinois/NCSA Open Source License (BSD like) '
101 'MIT/X11 (BSD like)'),
105 PATH_SPECIFIC_WHITELISTED_LICENSES = {
106 'base/third_party/icu': [ # http://crbug.com/98087
110 # http://code.google.com/p/google-breakpad/issues/detail?id=450
115 'chrome/common/extensions/docs/examples': [ # http://crbug.com/98092
118 # This contains files copied from elsewhere from the tree. Since the copied
119 # directories might have suppressions below (like simplejson), whitelist the
120 # whole directory. This is also not shipped code.
121 'chrome/common/extensions/docs/server2/third_party': [
124 'courgette/third_party/bsdiff_create.cc': [ # http://crbug.com/98095
127 'native_client': [ # http://crbug.com/98099
130 'native_client/toolchain': [
131 'BSD GPL (v2 or later)',
132 'BSD (2 clause) GPL (v2 or later)',
133 'BSD (3 clause) GPL (v2 or later)',
135 'BSL (v1.0) GPL (v3.1)',
137 'GPL (unversioned/unknown version)',
143 'third_party/WebKit': [
147 # http://code.google.com/p/angleproject/issues/detail?id=217
148 'third_party/angle': [
152 # http://crbug.com/222828
153 # http://bugs.python.org/issue17514
154 'third_party/chromite/third_party/argparse.py': [
158 # http://crbug.com/326117
159 # https://bitbucket.org/chrisatlee/poster/issue/21
160 'third_party/chromite/third_party/poster': [
164 # http://crbug.com/333508
165 'third_party/clang_format/script': [
169 # http://crbug.com/333508
170 'buildtools/clang_format/script': [
174 # https://mail.python.org/pipermail/cython-devel/2014-July/004062.html
175 'third_party/cython': [
179 'third_party/devscripts': [
182 'third_party/expat/files/lib': [ # http://crbug.com/98121
185 'third_party/ffmpeg': [
189 'UNKNOWN', # http://crbug.com/98123
191 'third_party/fontconfig': [
192 # https://bugs.freedesktop.org/show_bug.cgi?id=73401
195 'third_party/freetype2': [ # http://crbug.com/177319
198 'third_party/hunspell': [ # http://crbug.com/98134
201 'third_party/iccjpeg': [ # http://crbug.com/98137
204 'third_party/icu': [ # http://crbug.com/98301
207 'third_party/lcov': [ # http://crbug.com/98304
210 'third_party/lcov/contrib/galaxy/genflat.pl': [
213 'third_party/libc++/trunk/include/support/solaris': [
214 # http://llvm.org/bugs/show_bug.cgi?id=18291
217 'third_party/libc++/trunk/src/support/solaris/xlocale.c': [
218 # http://llvm.org/bugs/show_bug.cgi?id=18291
221 'third_party/libc++/trunk/test': [
222 # http://llvm.org/bugs/show_bug.cgi?id=18291
225 'third_party/libevent': [ # http://crbug.com/98309
228 'third_party/libjingle/source/talk': [ # http://crbug.com/98310
231 'third_party/libjpeg_turbo': [ # http://crbug.com/98314
234 'third_party/libpng': [ # http://crbug.com/98318
238 # The following files lack license headers, but are trivial.
239 'third_party/libusb/src/libusb/os/poll_posix.h': [
243 'third_party/libvpx/source': [ # http://crbug.com/98319
246 'third_party/libxml': [
249 'third_party/libxslt': [
252 'third_party/lzma_sdk': [
255 'third_party/mesa/src': [
258 'MIT/X11 (BSD like) GPL (v3 or later) with Bison parser exception',
259 'UNKNOWN', # http://crbug.com/98450
261 'third_party/modp_b64': [
264 'third_party/openmax_dl/dl' : [
267 'third_party/openssl': [ # http://crbug.com/98451
270 'third_party/boringssl': [
271 # There are some files in BoringSSL which came from OpenSSL and have no
272 # license in them. We don't wish to add the license header ourselves
273 # thus we don't expect to pass license checks.
276 'third_party/ots/tools/ttf-checksum.py': [ # http://code.google.com/p/ots/issues/detail?id=2
279 'third_party/molokocacao': [ # http://crbug.com/98453
282 'third_party/npapi/npspy': [
285 'third_party/ocmock/OCMock': [ # http://crbug.com/98454
288 'third_party/ply/__init__.py': [
291 'third_party/protobuf': [ # http://crbug.com/98455
295 # http://crbug.com/222831
296 # https://bitbucket.org/eliben/pyelftools/issue/12
297 'third_party/pyelftools': [
301 'third_party/scons-2.0.1/engine/SCons': [ # http://crbug.com/98462
304 'third_party/simplejson': [
307 'third_party/skia': [ # http://crbug.com/98463
310 'third_party/snappy/src': [ # http://crbug.com/98464
313 'third_party/smhasher/src': [ # http://crbug.com/98465
316 'third_party/speech-dispatcher/libspeechd.h': [
319 'third_party/sqlite': [
323 # http://crbug.com/334668
325 'tools/swarming_client/third_party/httplib2': [
329 # http://crbug.com/334668
331 'tools/swarming_client/third_party/oauth2client': [
335 # https://github.com/kennethreitz/requests/issues/1610
336 'tools/swarming_client/third_party/requests': [
340 'third_party/swig/Lib/linkruntime.c': [ # http://crbug.com/98585
343 'third_party/talloc': [
345 'UNKNOWN', # http://crbug.com/98588
347 'third_party/tcmalloc': [
348 'UNKNOWN', # http://crbug.com/98589
350 'third_party/tlslite': [
353 'third_party/webdriver': [ # http://crbug.com/98590
357 # https://github.com/html5lib/html5lib-python/issues/125
358 # https://github.com/KhronosGroup/WebGL/issues/435
359 'third_party/webgl/src': [
363 'third_party/webrtc': [ # http://crbug.com/98592
366 'third_party/xdg-utils': [ # http://crbug.com/98593
369 'third_party/yasm/source': [ # http://crbug.com/98594
372 'third_party/zlib/contrib/minizip': [
375 'third_party/zlib/trees.h': [
378 'tools/emacs': [ # http://crbug.com/98595
384 'tools/python/google/__init__.py': [
387 'tools/stats_viewer/Properties/AssemblyInfo.cs': [
390 'tools/symsrc/pefile.py': [
393 'tools/telemetry/third_party/pyserial': [
394 # https://sourceforge.net/p/pyserial/feature-requests/35/
397 'v8/test/cctest': [ # http://crbug.com/98597
400 'v8/src/third_party/kernel/tools/perf/util/jitdump.h': [ # http://crbug.com/391716
406 def check_licenses(options, args):
407 # Figure out which directory we have to check.
409 # No directory to check specified, use the repository root.
410 start_dir = options.base_directory
412 # Directory specified. Start here. It's supposed to be relative to the
414 start_dir = os.path.abspath(os.path.join(options.base_directory, args[0]))
416 # More than one argument, we don't handle this.
420 print "Using base directory:", options.base_directory
421 print "Checking:", start_dir
424 licensecheck_path = os.path.abspath(os.path.join(options.base_directory,
429 licensecheck = subprocess.Popen([licensecheck_path,
432 stdout=subprocess.PIPE,
433 stderr=subprocess.PIPE)
434 stdout, stderr = licensecheck.communicate()
436 print '----------- licensecheck stdout -----------'
438 print '--------- end licensecheck stdout ---------'
439 if licensecheck.returncode != 0 or stderr:
440 print '----------- licensecheck stderr -----------'
442 print '--------- end licensecheck stderr ---------'
446 used_suppressions = set()
449 for line in stdout.splitlines():
450 filename, license = line.split(':', 1)
451 filename = os.path.relpath(filename.strip(), options.base_directory)
453 # All files in the build output directory are generated one way or another.
454 # There's no need to check them.
455 if filename.startswith('out/'):
458 # For now we're just interested in the license.
459 license = license.replace('*No copyright*', '').strip()
461 # Skip generated files.
462 if 'GENERATED FILE' in license:
465 if license in WHITELISTED_LICENSES:
468 if not options.ignore_suppressions:
470 prefix for prefix in PATH_SPECIFIC_WHITELISTED_LICENSES
471 if filename.startswith(prefix) and
472 license in PATH_SPECIFIC_WHITELISTED_LICENSES[prefix]]
474 used_suppressions.update(set(matched_prefixes))
477 errors.append({'filename': filename, 'license': license})
480 with open(options.json, 'w') as f:
485 print "'%s' has non-whitelisted license '%s'" % (
486 error['filename'], error['license'])
489 print "http://www.chromium.org/developers/adding-3rd-party-libraries"
490 print "for more info how to handle the failure."
492 print "Please respect OWNERS of checklicenses.py. Changes violating"
493 print "this requirement may be reverted."
495 # Do not print unused suppressions so that above message is clearly
496 # visible and gets proper attention. Too much unrelated output
497 # would be distracting and make the important points easier to miss.
504 unused_suppressions = set(
505 PATH_SPECIFIC_WHITELISTED_LICENSES.iterkeys()).difference(
507 if unused_suppressions:
508 print "\nNOTE: unused suppressions detected:\n"
509 print '\n'.join(unused_suppressions)
515 default_root = os.path.abspath(
516 os.path.join(os.path.dirname(__file__), '..', '..'))
517 option_parser = optparse.OptionParser()
518 option_parser.add_option('--root', default=default_root,
519 dest='base_directory',
520 help='Specifies the repository root. This defaults '
521 'to "../.." relative to the script file, which '
522 'will normally be the repository root.')
523 option_parser.add_option('-v', '--verbose', action='store_true',
524 default=False, help='Print debug logging')
525 option_parser.add_option('--ignore-suppressions',
528 help='Ignore path-specific license whitelist.')
529 option_parser.add_option('--json', help='Path to JSON output file')
530 options, args = option_parser.parse_args()
531 return check_licenses(options, args)
534 if '__main__' == __name__: