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#!/usr/bin/python
#
# Does the copyright statement include the year of the latest git commit?
#
# Copyright (C) 2012, 2014-2016 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
import datetime
import fnmatch
import re
import sys
import cliapp
class CheckCopyrightYear(cliapp.Application):
pat = re.compile(r'^[ #/*]*Copyright\s+(\(C\)\s*)'
r'(?P<years>[0-9, -]+)')
ignore = ['COPYING', 'morphlib/licensecheck.pl', 'cliapp/*']
def add_settings(self):
self.settings.boolean(['verbose', 'v'], 'be more verbose')
def setup(self):
self.all_ok = True
self.uncommitted = self.get_uncommitted_files()
self.this_year = datetime.datetime.now().year
def cleanup(self):
if not self.all_ok:
print('ERROR: Some copyright years need fixing', file=sys.stderr)
sys.exit(1)
def get_uncommitted_files(self):
filenames = set()
status = self.runcmd(['git', 'status', '--porcelain', '-z'])
tokens = status.rstrip('\0').split('\0')
while tokens:
tok = tokens.pop(0)
filenames.add(tok[3:])
if 'R' in tok[0:2]:
filenames.add(tokens.pop(0))
return filenames
def process_input_line(self, filename, line):
if any(fnmatch.fnmatch(filename, pattern) for pattern in self.ignore):
return
m = self.pat.match(line)
if not m:
return
year = None
if filename not in self.uncommitted:
year = self.get_git_commit_year(filename)
if year is None:
# git does not have a commit date for the file, which might
# happen if the file isn't committed yet. This happens during
# development, and it's OK. It's not quite a lumberjack, but
# let's not get into gender stereotypes here.
year = self.this_year
ok = False
for start, end in self.get_copyright_years(m):
if start <= year <= end:
ok = True
if ok:
if self.settings['verbose']:
self.output.write('OK %s\n' % filename)
else:
self.output.write('BAD %s:%s:%s\n' %
(filename, self.lineno, line.strip()))
self.all_ok = self.all_ok and ok
def get_git_commit_year(self, filename):
out = self.runcmd(['git', 'log', '-1', '--format=format:%ad',
filename])
if not out:
return None
words = out.split()
return int(words[4])
def get_copyright_years(self, match):
years = match.group('years')
groups = [s.strip() for s in years.split(',')]
for group in groups:
if '-' in group:
start, end = group.split('-')
else:
start = end = group
start = int(start)
end = int(end)
yield start, end
CheckCopyrightYear().run()
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