| #!/usr/bin/env python2.7 |
| |
| # Copyright 2015, Google Inc. |
| # All rights reserved. |
| # |
| # 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 must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # 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. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import argparse |
| import datetime |
| import os |
| import re |
| import sys |
| import subprocess |
| |
| # find our home |
| ROOT = os.path.abspath( |
| os.path.join(os.path.dirname(sys.argv[0]), '../..')) |
| os.chdir(ROOT) |
| |
| # parse command line |
| argp = argparse.ArgumentParser(description='copyright checker') |
| argp.add_argument('-o', '--output', |
| default='details', |
| choices=['list', 'details']) |
| argp.add_argument('-s', '--skips', |
| default=0, |
| action='store_const', |
| const=1) |
| argp.add_argument('-a', '--ancient', |
| default=0, |
| action='store_const', |
| const=1) |
| argp.add_argument('-f', '--fix', |
| default=False, |
| action='store_true'); |
| argp.add_argument('--precommit', |
| default=False, |
| action='store_true') |
| args = argp.parse_args() |
| |
| # open the license text |
| with open('LICENSE') as f: |
| LICENSE = f.read().splitlines() |
| |
| # license format by file extension |
| # key is the file extension, value is a format string |
| # that given a line of license text, returns what should |
| # be in the file |
| LICENSE_PREFIX = { |
| '.bat': r'@rem\s*', |
| '.c': r'\s*(?://|\*)\s*', |
| '.cc': r'\s*(?://|\*)\s*', |
| '.h': r'\s*(?://|\*)\s*', |
| '.m': r'\s*\*\s*', |
| '.php': r'\s*\*\s*', |
| '.js': r'\s*\*\s*', |
| '.py': r'#\s*', |
| '.pyx': r'#\s*', |
| '.pxd': r'#\s*', |
| '.pxi': r'#\s*', |
| '.rb': r'#\s*', |
| '.sh': r'#\s*', |
| '.proto': r'//\s*', |
| '.cs': r'//\s*', |
| '.mak': r'#\s*', |
| 'Makefile': r'#\s*', |
| 'Dockerfile': r'#\s*', |
| 'LICENSE': '', |
| 'BUILD': r'#\s*', |
| } |
| |
| _EXEMPT = frozenset(( |
| # Generated protocol compiler output. |
| 'examples/python/helloworld/helloworld_pb2.py', |
| 'examples/python/helloworld/helloworld_pb2_grpc.py', |
| 'examples/python/multiplex/helloworld_pb2.py', |
| 'examples/python/multiplex/helloworld_pb2_grpc.py', |
| 'examples/python/multiplex/route_guide_pb2.py', |
| 'examples/python/multiplex/route_guide_pb2_grpc.py', |
| 'examples/python/route_guide/route_guide_pb2.py', |
| 'examples/python/route_guide/route_guide_pb2_grpc.py', |
| |
| 'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h', |
| 'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c', |
| 'src/cpp/server/health/health.pb.h', |
| 'src/cpp/server/health/health.pb.c', |
| |
| # An older file originally from outside gRPC. |
| 'src/php/tests/bootstrap.php', |
| )) |
| |
| |
| RE_YEAR = r'Copyright (?P<first_year>[0-9]+\-)?(?P<last_year>[0-9]+), Google Inc\.' |
| RE_LICENSE = dict( |
| (k, r'\n'.join( |
| LICENSE_PREFIX[k] + |
| (RE_YEAR if re.search(RE_YEAR, line) else re.escape(line)) |
| for line in LICENSE)) |
| for k, v in LICENSE_PREFIX.iteritems()) |
| |
| if args.precommit: |
| FILE_LIST_COMMAND = 'git status -z | grep -Poz \'(?<=^[MARC][MARCD ] )[^\s]+\'' |
| else: |
| FILE_LIST_COMMAND = 'git ls-tree -r --name-only -r HEAD | grep -v ^third_party/' |
| |
| def load(name): |
| with open(name) as f: |
| return f.read() |
| |
| def save(name, text): |
| with open(name, 'w') as f: |
| f.write(text) |
| |
| assert(re.search(RE_LICENSE['LICENSE'], load('LICENSE'))) |
| assert(re.search(RE_LICENSE['Makefile'], load('Makefile'))) |
| |
| |
| def log(cond, why, filename): |
| if not cond: return |
| if args.output == 'details': |
| print '%s: %s' % (why, filename) |
| else: |
| print filename |
| |
| |
| # scan files, validate the text |
| ok = True |
| filename_list = [] |
| try: |
| filename_list = subprocess.check_output(FILE_LIST_COMMAND, |
| shell=True).splitlines() |
| except subprocess.CalledProcessError: |
| sys.exit(0) |
| |
| for filename in filename_list: |
| if filename in _EXEMPT: |
| continue |
| ext = os.path.splitext(filename)[1] |
| base = os.path.basename(filename) |
| if ext in RE_LICENSE: |
| re_license = RE_LICENSE[ext] |
| elif base in RE_LICENSE: |
| re_license = RE_LICENSE[base] |
| else: |
| log(args.skips, 'skip', filename) |
| continue |
| try: |
| text = load(filename) |
| except: |
| continue |
| m = re.search(re_license, text) |
| if m: |
| pass |
| elif 'DO NOT EDIT' not in text and filename != 'src/boringssl/err_data.c': |
| log(1, 'copyright missing', filename) |
| ok = False |
| |
| sys.exit(0 if ok else 1) |