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#!/usr/bin/python2.7
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# Copyright 2015, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import argparse
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import os
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import sys
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import subprocess
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# find our home
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ROOT = os.path.abspath(
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os.path.join(os.path.dirname(sys.argv[0]), '../..'))
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os.chdir(ROOT)
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# parse command line
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argp = argparse.ArgumentParser(description='copyright checker')
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argp.add_argument('-o', '--output',
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default='details',
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choices=['list', 'details'])
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argp.add_argument('-s', '--skips',
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default=0,
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action='store_const',
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const=1)
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argp.add_argument('-a', '--ancient',
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default=0,
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action='store_const',
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const=1)
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argp.add_argument('-f', '--fix',
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default=0,
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action='store_const',
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const=1)
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args = argp.parse_args()
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# open the license text
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with open('LICENSE') as f:
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LICENSE = f.read().splitlines()
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# license format by file extension
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# key is the file extension, value is a format string
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# that given a line of license text, returns what should
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# be in the file
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LICENSE_FMT = {
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'.c': ' * %s',
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'.cc': ' * %s',
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'.h': ' * %s',
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'.m': ' * %s',
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'.php': ' * %s',
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'.py': '# %s',
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'.rb': '# %s',
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'.sh': '# %s',
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'.proto': '// %s',
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'.js': ' * %s',
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'.cs': '// %s',
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'.mak': '# %s',
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'Makefile': '# %s',
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'Dockerfile': '# %s',
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}
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# pregenerate the actual text that we should have
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LICENSE_TEXT = dict(
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(k, '\n'.join((v % line).rstrip() for line in LICENSE))
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for k, v in LICENSE_FMT.iteritems())
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OLD_LICENSE_TEXT = dict(
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(k, v.replace('2015', '2014')) for k, v in LICENSE_TEXT.iteritems())
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def log(cond, why, filename):
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if not cond: return
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if args.output == 'details':
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print '%s: %s' % (why, filename)
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else:
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print filename
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# scan files, validate the text
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for filename in subprocess.check_output('git ls-tree -r --name-only -r HEAD',
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shell=True).splitlines():
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ext = os.path.splitext(filename)[1]
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base = os.path.basename(filename)
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if ext in LICENSE_TEXT:
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license = LICENSE_TEXT[ext]
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old_license = OLD_LICENSE_TEXT[ext]
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elif base in LICENSE_TEXT:
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license = LICENSE_TEXT[base]
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old_license = OLD_LICENSE_TEXT[base]
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else:
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log(args.skips, 'skip', filename)
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continue
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with open(filename) as f:
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text = '\n'.join(line.rstrip() for line in f.read().splitlines())
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if license in text:
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pass
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elif old_license in text:
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log(args.ancient, 'old', filename)
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if args.fix:
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with open(filename, 'w') as f:
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f.write(text.replace('Copyright 2014, Google Inc.', 'Copyright 2015, Google Inc.') + '\n')
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elif 'DO NOT EDIT' not in text and 'AssemblyInfo.cs' not in filename:
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log(1, 'missing', filename)
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