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gns3-server/gns3server/compute/qemu/utils/ziputils.py

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#!/usr/bin/env python3
#
# Copyright (C) 2020 GNS3 Technologies 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 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 os
import time
import shutil
import zipfile
def pack_zip(filename, root_dir=None, base_dir=None):
"""Create a zip archive"""
if filename[-4:].lower() == ".zip":
filename = filename[:-4]
shutil.make_archive(filename, 'zip', root_dir, base_dir)
def unpack_zip(filename, extract_dir=None):
"""Unpack a zip archive"""
dirs = []
if not extract_dir:
extract_dir = os.getcwd()
try:
with zipfile.ZipFile(filename, 'r') as zfile:
for zinfo in zfile.infolist():
fname = os.path.join(extract_dir, zinfo.filename)
date_time = time.mktime(zinfo.date_time + (0, 0, -1))
zfile.extract(zinfo, extract_dir)
# update timestamp
if zinfo.is_dir():
dirs.append((fname, date_time))
else:
os.utime(fname, (date_time, date_time))
# update timestamp of directories
for fname, date_time in reversed(dirs):
os.utime(fname, (date_time, date_time))
except zipfile.BadZipFile:
raise shutil.ReadError("%s is not a zip file" % filename)