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#!/usr/bin/env python3
#
# Copyright (C) 2017 Chris Lamb <lamby@debian.org>
#
# 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/>.
import argparse
import bz2
import collections
import json
import logging
import os
import sys
import time
import apt
import requests
try:
from xdg.BaseDirectory import xdg_cache_home
except ImportError:
print("This script requires the xdg python3 module.", file=sys.stderr)
print("Please install the python3-xdg Debian package in order to use"
"this utility.", file=sys.stderr)
sys.exit(1)
class ReproducibleCheck:
HELP = """
Reports on the reproducible status of installed packages.
For more details please see <https://reproducible-builds.org>.
"""
NAME = os.path.basename(__file__)
VERSION = 1
STATUS_URL = 'https://tests.reproducible-builds.org/debian/' \
'reproducible-tracker.json.bz2'
CACHE = os.path.join(xdg_cache_home, NAME, os.path.basename(STATUS_URL))
CACHE_AGE_SECONDS = 86400
@classmethod
def parse(cls):
parser = argparse.ArgumentParser(description=cls.HELP)
parser.add_argument(
'-d',
'--debug',
help="show debugging messages",
default=False,
action='store_true',
)
parser.add_argument(
'-r',
'--raw',
help="print unreproducible binary packages only (for dd-list -i)",
default=False,
action='store_true',
)
parser.add_argument(
'--version',
help="print version and exit",
default=False,
action='store_true',
)
return cls(parser.parse_args())
def __init__(self, args):
self.args = args
logging.basicConfig(
format='%(asctime).19s %(levelname).1s: %(message)s',
level=logging.DEBUG if args.debug else logging.INFO,
)
self.log = logging.getLogger()
def main(self):
if self.args.version:
print("{} version {}".format(self.NAME, self.VERSION))
return 0
self.update_cache()
data = self.get_data()
installed = self.get_installed_packages()
unreproducible = {x: y for x, y in installed.items() if x in data}
if self.args.raw:
self.output_raw(unreproducible, installed)
else:
self.output_by_source(unreproducible, installed)
return 0
def update_cache(self):
self.log.debug("Checking cache file %s ...", self.CACHE)
try:
if os.path.getmtime(self.CACHE) >= \
time.time() - self.CACHE_AGE_SECONDS:
self.log.debug("Cache is up to date")
return
except OSError:
pass
self.log.info("Updating cache...")
response = requests.get(self.STATUS_URL)
os.makedirs(os.path.dirname(self.CACHE), exist_ok=True)
with open(self.CACHE, 'wb+') as f:
f.write(response.content)
def get_data(self):
self.log.debug("Loading data from cache %s", self.CACHE)
with bz2.open(self.CACHE) as f:
return {
(x['package'], y['architecture'], x['version'])
for x in json.loads(f.read().decode('utf-8'))
for y in x['architecture_details']
if y['status'] == 'unreproducible'
}
@staticmethod
def get_installed_packages():
result = collections.defaultdict(list)
for x in apt.Cache():
for y in x.versions:
if not y.is_installed:
continue
key = (y.source_name, y.architecture, y.version)
result[key].append(x.shortname)
return result
@staticmethod
def output_by_source(unreproducible, installed):
num_installed = sum(len(x) for x in installed.keys())
num_unreproducible = sum(len(x) for x in unreproducible.keys())
default_architecture = apt.apt_pkg.config.find('APT::Architecture')
for key, binaries in sorted(unreproducible.items()):
source, architecture, version = key
binaries_fmt = '({}) '.format(', '.join(binaries)) \
if binaries != [source] else ''
print("{}{} ({}) is unreproducible {}".format(
source,
'/{}'.format(architecture)
if architecture != default_architecture else '',
version,
binaries_fmt,
), end='')
print("<https://tests.reproducible-builds.org/debian/{}>".format(
source,
))
msg = "{}/{} ({:.2f}%) of installed binary packages are unreproducible."
print(msg.format(
num_unreproducible,
num_installed,
100. * num_unreproducible / num_installed,
))
@staticmethod
def output_raw(unreproducible, installed): # pylint: disable=unused-argument
for x in sorted(x for xs in unreproducible.values() for x in set(xs)):
print(x)
if __name__ == '__main__':
try:
sys.exit(ReproducibleCheck.parse().main())
except (KeyboardInterrupt, BrokenPipeError):
sys.exit(1)
|
