| #!/usr/bin/env python3 |
| import os |
| |
| |
| mydir = os.path.dirname(__file__) |
| licenses = {'LICENSE', 'LICENSE.txt', 'LICENSE.rst', 'COPYING.BSD'} |
| |
| |
| def collect_license(current): |
| collected = {} |
| for root, dirs, files in os.walk(current): |
| license = list(licenses & set(files)) |
| if license: |
| name = root.split('/')[-1] |
| license_file = os.path.join(root, license[0]) |
| try: |
| ident = identify_license(license_file) |
| except ValueError: |
| raise ValueError('could not identify license file ' |
| f'for {root}') from None |
| val = { |
| 'Name': name, |
| 'Files': [root], |
| 'License': ident, |
| 'License_file': [license_file], |
| } |
| if name in collected: |
| # Only add it if the license is different |
| if collected[name]['License'] == ident: |
| collected[name]['Files'].append(root) |
| collected[name]['License_file'].append(license_file) |
| else: |
| collected[name + f' ({root})'] = val |
| else: |
| collected[name] = val |
| return collected |
| |
| |
| def create_bundled(d, outstream): |
| """Write the information to an open outstream""" |
| collected = collect_license(d) |
| sorted_keys = sorted(collected.keys()) |
| outstream.write('The Pytorch repository and source distributions bundle ' |
| 'several libraries that are \n') |
| outstream.write('compatibly licensed. We list these here.\n\n') |
| for k in sorted_keys: |
| c = collected[k] |
| files = ',\n '.join(c['Files']) |
| license_file = ',\n '.join(c['License_file']) |
| outstream.write(f"Name: {c['Name']}\n") |
| outstream.write(f"License: {c['License']}\n") |
| outstream.write(f"Files: {files}\n") |
| outstream.write(' For details, see ') |
| outstream.write(license_file) |
| outstream.write('\n\n') |
| |
| |
| def identify_license(f, exception=''): |
| """ |
| Read f and try to identify the license type |
| This is __very__ rough and probably not legally binding, it is specific for |
| this repo. |
| """ |
| def squeeze(t): |
| """Remove 'n and ' ', normalize quotes |
| """ |
| t = t.replace('\n', '').replace(' ', '') |
| t = t.replace('``', '"').replace("''", '"') |
| return t |
| |
| with open(f) as fid: |
| txt = fid.read() |
| if not exception and 'exception' in txt: |
| license = identify_license(f, 'exception') |
| return license + ' with exception' |
| txt = squeeze(txt) |
| if 'ApacheLicense' in txt: |
| # Hmm, do we need to check the text? |
| return 'Apache-2.0' |
| elif 'MITLicense' in txt: |
| # Hmm, do we need to check the text? |
| return 'MIT' |
| elif 'BSD-3-ClauseLicense' in txt: |
| # Hmm, do we need to check the text? |
| return 'BSD-3-Clause' |
| elif 'BSD3-ClauseLicense' in txt: |
| # Hmm, do we need to check the text? |
| return 'BSD-3-Clause' |
| elif 'BoostSoftwareLicense-Version1.0' in txt: |
| # Hmm, do we need to check the text? |
| return 'BSL-1.0' |
| elif all([squeeze(m) in txt.lower() for m in bsd3_txt]): |
| return 'BSD-3-Clause' |
| elif all([squeeze(m) in txt.lower() for m in bsd3_v1_txt]): |
| return 'BSD-3-Clause' |
| elif all([squeeze(m) in txt.lower() for m in bsd2_txt]): |
| return 'BSD-2-Clause' |
| elif all([squeeze(m) in txt.lower() for m in bsd3_src_txt]): |
| return 'BSD-Source-Code' |
| elif all([squeeze(m) in txt.lower() for m in mit_txt]): |
| return 'MIT' |
| else: |
| raise ValueError('unknown license') |
| |
| mit_txt = ['permission is hereby granted, free of charge, to any person ' |
| 'obtaining a copy of this software and associated documentation ' |
| 'files (the "software"), to deal in the software without ' |
| 'restriction, including without limitation the rights to use, copy, ' |
| 'modify, merge, publish, distribute, sublicense, and/or sell copies ' |
| 'of the software, and to permit persons to whom the software is ' |
| 'furnished to do so, subject to the following conditions:', |
| |
| 'the above copyright notice and this permission notice shall be ' |
| 'included in all copies or substantial portions of the software.', |
| |
| 'the software is provided "as is", without warranty of any kind, ' |
| 'express or implied, including but not limited to the warranties of ' |
| 'merchantability, fitness for a particular purpose and ' |
| 'noninfringement. in no event shall the authors or copyright holders ' |
| 'be liable for any claim, damages or other liability, whether in an ' |
| 'action of contract, tort or otherwise, arising from, out of or in ' |
| 'connection with the software or the use or other dealings in the ' |
| 'software.' |
| ] |
| |
| bsd3_txt = ['redistribution and use in source and binary forms, with or without ' |
| 'modification, are permitted provided that the following conditions ' |
| 'are met:', |
| |
| 'redistributions of source code', |
| |
| 'redistributions in binary form', |
| |
| 'neither the name', |
| |
| 'this software is provided by the copyright holders and ' |
| 'contributors "as is" and any express or implied warranties, ' |
| 'including, but not limited to, the implied warranties of ' |
| 'merchantability and fitness for a particular purpose are disclaimed.', |
| ] |
| |
| # BSD2 is BSD3 without the "neither the name..." clause |
| bsd2_txt = bsd3_txt[:3] + bsd3_txt[4:] |
| |
| # This BSD3 variant leaves "and contributors" out of the last clause of BSD-3, |
| # which is still valid BSD-3 |
| v1 = bsd3_txt[4].replace('and contributors', '') |
| bsd3_v1_txt = bsd3_txt[:3] + [v1] |
| |
| # This source variant of BSD-3 leaves the "redistributions in binary form" out |
| # which is https://spdx.org/licenses/BSD-Source-Code.html |
| bsd3_src_txt = bsd3_txt[:2] + bsd3_txt[4:] |
| |
| |
| if __name__ == '__main__': |
| third_party = os.path.join(mydir) |
| fname = os.path.join(third_party, 'LICENSES_BUNDLED.txt') |
| with open(fname, 'w') as fid: |
| create_bundled(third_party, fid) |
