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#!/usr/bin/env python2.7
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# Copyright 2015-2016, 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 datetime
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import os
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import re
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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=False,
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action='store_true');
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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_PREFIX = {
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'.c': r'\s*\*\s*',
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'.cc': r'\s*\*\s*',
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'.h': r'\s*\*\s*',
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'.m': r'\s*\*\s*',
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'.php': r'\s*\*\s*',
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'.js': r'\s*\*\s*',
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'.py': r'#\s*',
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'.pyx': r'#\s*',
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'.pxd': r'#\s*',
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'.pxi': r'#\s*',
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'.rb': r'#\s*',
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'.sh': r'#\s*',
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'.proto': r'//\s*',
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'.cs': r'//\s*',
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'.mak': r'#\s*',
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'Makefile': r'#\s*',
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'Dockerfile': r'#\s*',
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'LICENSE': '',
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}
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KNOWN_BAD = set([
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'src/php/tests/bootstrap.php',
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])
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RE_YEAR = r'Copyright (?P<first_year>[0-9]+\-)?(?P<last_year>[0-9]+), Google Inc\.'
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RE_LICENSE = dict(
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(k, r'\n'.join(
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LICENSE_PREFIX[k] +
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(RE_YEAR if re.search(RE_YEAR, line) else re.escape(line))
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for line in LICENSE))
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for k, v in LICENSE_PREFIX.iteritems())
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def load(name):
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with open(name) as f:
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return f.read()
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def save(name, text):
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with open(name, 'w') as f:
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f.write(text)
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assert(re.search(RE_LICENSE['LICENSE'], load('LICENSE')))
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assert(re.search(RE_LICENSE['Makefile'], load('Makefile')))
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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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ok = True
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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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if filename in KNOWN_BAD: continue
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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 RE_LICENSE:
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re_license = RE_LICENSE[ext]
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elif base in RE_LICENSE:
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re_license = RE_LICENSE[base]
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else:
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log(args.skips, 'skip', filename)
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continue
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try:
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text = load(filename)
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except:
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continue
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m = re.search(re_license, text)
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if m:
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gdict = m.groupdict()
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last_modified = int(subprocess.check_output('git log -1 --format="%ad" --date=short -- ' + filename, shell=True)[0:4])
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latest_claimed = int(gdict['last_year'])
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if last_modified > latest_claimed:
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print '%s modified %d but copyright only extends to %d' % (filename, last_modified, latest_claimed)
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ok = False
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if args.fix:
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span_start, span_end = m.span(2)
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if not gdict['first_year']:
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# prepend the old year to the current one.
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text = '{}-{}{}'.format(text[:span_end], last_modified, text[span_end:])
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else: # already a year range
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# simply update the last year
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text = '{}{}{}'.format(text[:span_start], last_modified, text[span_end:])
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save(filename, text)
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print 'Fixed!'
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ok = True
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elif 'DO NOT EDIT' not in text and 'AssemblyInfo.cs' not in filename and filename != 'src/boringssl/err_data.c':
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log(1, 'copyright missing', filename)
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ok = False
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sys.exit(0 if ok else 1)
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