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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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#-*- coding: utf-8 -*-
# dpkg.py
# Module to work with dpkg based package managers
#
# Copyright (C) 2016 Jakub Kadlcik
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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.
#
from __future__ import absolute_import
from tracer.resources.system import System
if System.distribution() == "debian":
from .ipackageManager import IPackageManager
from tracer.resources.package import Package
from tracer.resources.collections import PackagesCollection
import subprocess
import time
import os
class Dpkg(IPackageManager):
"""
Package manager class - DPKG
"""
# noinspection PyMissingConstructor
def __init__(self, **kwargs):
self.opts = kwargs
@property
def dpkg_log(self): return '/var/log/dpkg.log'
def packages_newer_than(self, unix_time):
"""
Returns list of packages which were modified between unix_time and present
Requires root permissions.
"""
newer = PackagesCollection()
log = open(self.dpkg_log, 'r')
for line in log:
line = line.split(" ")
if line[2] != "upgrade":
continue
# There actually should be %e instead of %d
modified = time.mktime(
time.strptime(line[0] + " " + line[1],
"%Y-%m-%d %H:%M:%S"))
if modified >= unix_time:
pkg_name = line[3].split(":")[0]
newer.append(Package(pkg_name, modified))
return newer
def package_files(self, pkg_name):
"""Returns list of files provided by package"""
files = []
fnull = open(os.devnull, 'w')
command = ['dpkg-query', '-L', pkg_name]
process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=fnull)
out = process.communicate()[0]
for file in out.decode().split('\n')[:-1]:
if os.path.isfile(file):
files.append(file)
return files
def load_package_info(self, package):
"""From database load informations about given package and set them to it"""
description = None
process = subprocess.Popen(['dpkg', '-s', package.name], stdout=subprocess.PIPE)
out = process.communicate()[0]
out = out.decode().split('\n')
for line in out:
if line.startswith("Description:"):
description = line.split("Description:")[1].strip()
package.description = description
def provided_by(self, app):
"""Returns name of package which provides given application"""
command = ['dlocate', '-S', app.name]
process = subprocess.Popen(command, stdout=subprocess.PIPE)
pkg_name = process.communicate()[0]
pkg_name = pkg_name.decode().split('\n')[0]
return Package(pkg_name.split(':')[0])