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#!/usr/bin/python3
# vim: fileencoding=utf-8
#
# Copyright (C) 2014 Google, Inc.
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Check the format and dumpability of debian/copyright filenames on stdin.
Usage:
find /tmp/packages -type f -name copyright | ./check_parse_and_dump.py
The --suppress_warnings and --summary flags can be used to make the program
output less verbose.
"""
import argparse
import codecs
import io
import sys
import warnings
from debian import copyright
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--summary', action='store_true',
help='Whether to print only a summary')
parser.add_argument('--suppress_warnings', action='store_true',
help='Whether to suppress copyright warnings')
return parser.parse_args()
def main():
args = parse_args()
if args.suppress_warnings:
warnings.filterwarnings('ignore', module='debian.copyright')
problems = {}
parse_failures = []
dump_failures = []
total = 0
for filename in sys.stdin:
total += 1
filename = filename.rstrip()
with io.open(filename, mode='rt', encoding='utf-8') as f:
try:
c = copyright.Copyright(f)
except Exception as e:
problems.setdefault((1, 'Parse failures'), []).append(
(filename, e))
continue
try:
c.dump()
except Exception as e:
problems.setdefault((2, 'Dump failures'), []).append(
(filename, e))
if not c.header.known_format():
problems.setdefault((3, 'Unknown format'), []).append(
(filename, c.header.format))
invalid_globs = []
globs_with_leading_dot_slash = []
globs_with_trailing_comma = []
globs_with_double_star = []
for p in c.all_files_paragraphs():
try:
p.files_pattern()
except Exception as e:
invalid_globs.append(e)
for glob in p.files:
if glob.startswith('./'):
globs_with_leading_dot_slash.append(glob)
if glob.endswith(','):
globs_with_trailing_comma.append(glob)
if '**' in glob:
globs_with_double_star.append(glob)
if invalid_globs:
problems.setdefault((4, 'Invalid glob'), []).append(
(filename, invalid_globs))
if globs_with_leading_dot_slash:
problems.setdefault((5, 'Globs with leading ./'), []).append(
(filename, globs_with_leading_dot_slash))
if globs_with_trailing_comma:
problems.setdefault((6, 'Globs with trailing ,'), []).append(
(filename, globs_with_trailing_comma))
if globs_with_double_star:
problems.setdefault((7, 'Globs with **'), []).append(
(filename, globs_with_double_star))
f = codecs.getwriter(encoding='utf-8')(sys.stdout)
for (_, heading), problems in sorted(problems.items()):
f.write('\n%s: (%d / %d)\n' % (heading, len(problems), total))
if not args.summary:
for filename, problem in problems:
f.write(' %s: %s\n' % (filename, problem))
if __name__ == '__main__':
main()