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#!/usr/bin/python
# Copyright 2013 Lars Wirzenius
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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/>.
#
# =*= License: GPL-3+ =*=
__version__ = '0.0'
import cliapp
import os
import re
import sys
copyright_pattern = re.compile(
r'Copyright\s+(?P<years>\d+((,|\s)|\d+)*)\s(?P<names>.*)')
class CopyrightStatementLint(cliapp.Application):
def setup(self):
self.errors = False
def cleanup(self):
if self.errors:
sys.exit(1)
def process_input(self, filename):
self.statements = []
cliapp.Application.process_input(self, filename)
if self.statements:
commit_year = self.get_commit_year(filename)
if not self.statements_contain_year(commit_year):
years = [m.group('years') for m in self.statements]
sys.stderr.write(
'%s: commit year %s not contained in '
'copyright statement years: %s\n' %
(filename, commit_year, ' '.join(years)))
self.errors = True
else:
sys.stderr.write('%s: no copyright statements\n' % filename)
self.errors = True
def process_input_line(self, filename, line):
m = copyright_pattern.search(line)
if m:
self.statements.append(m)
def get_commit_year(self, filename):
output = cliapp.runcmd(['git', 'log', '-n1', filename])
for line in output.splitlines():
if line.startswith('Date:'):
words = line.split()
return int(words[5]) # return year
return 0 # dummy year
def statements_contain_year(self, year):
for match in self.statements:
pairs = self.parse_years(match.group('years'))
for start, end in pairs:
if start <= year <= end:
return True
return False
def parse_years(self, years):
pairs = []
words = [s.strip() for s in years.split(',')]
for word in words:
if '-' in word:
start, end = word.split('-', 1)
else:
start = end = word
pairs.append((int(start), int(end)))
return pairs
CopyrightStatementLint(version=__version__).run()
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