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#!/usr/bin/env python3
# Copyright 2018 The Emscripten Authors. All rights reserved.
# Emscripten is available under two separate licenses, the MIT license and the
# University of Illinois/NCSA Open Source License. Both these licenses can be
# found in the LICENSE file.
"""Add or verify emscripten license header in source files."""
import sys
import os
import subprocess
script_dir = os.path.dirname(os.path.abspath(__file__))
__rootpath__ = os.path.dirname(script_dir)
cpp_license = '''\
// Copyright %s The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
'''
py_license = '''\
# Copyright %s The Emscripten Authors. All rights reserved.
# Emscripten is available under two separate licenses, the MIT license and the
# University of Illinois/NCSA Open Source License. Both these licenses can be
# found in the LICENSE file.
'''
c_license = '''\
/*
* Copyright %s The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
'''
c_license_base = '''\
/*
* Copyright %s The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*
'''
exclude_filenames = [
'system/include/',
'system/lib/libc/musl/',
'system/lib/html5/dom_pk_codes.c',
'system/lib/dlmalloc.c',
'third_party/',
'tests/optimizer/',
'site/source/_themes/',
]
exclude_contents = ['Copyright', 'LICENSE.TXT', 'PUBLIC DOMAIN']
def process_file(filename):
if any(filename.startswith(ex) for ex in exclude_filenames):
return
ext = os.path.splitext(filename)[1]
if ext not in ('.py', '.c', '.cpp', '.h', '.js'):
return
with open(filename) as f:
contents = f.read()
header = '\n'.join(contents.splitlines()[:30])
if any(ex in header for ex in exclude_contents):
return
output = subprocess.check_output(['git', 'log', '--pretty=format:%cd', '--date=format:%Y', filename])
year = output.splitlines()[-1].split()[0]
print(filename)
with open(filename, 'w') as f:
if ext == '.py':
if contents.startswith('#!'):
line1, rest = contents.split('\n', 1)
f.write(line1 + '\n')
contents = rest
f.write(py_license % year)
if not contents.startswith('\n'):
f.write('\n')
elif ext in ('.c', '.h'):
f.write(c_license % year)
if not contents.startswith('\n'):
f.write('\n')
elif ext in ('.cpp', '.js'):
if contents.startswith('/*\n'):
contents = contents[3:]
f.write(c_license_base % year)
else:
f.write(cpp_license % year)
if not contents.startswith('\n'):
f.write('\n')
else:
assert False
f.write(contents)
def main():
os.chdir(__rootpath__)
filenames = sys.argv[1:]
if not filenames:
filenames = subprocess.check_output(['git', 'ls-files']).splitlines()
for filename in filenames:
process_file(filename)
return 0
if __name__ == '__main__':
sys.exit(main())
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