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# SPDX-License-Identifier: GPL-2.0-or-later
#
# Utilities for python-based QEMU tests
#
# Copyright 2024 Red Hat, Inc.
#
# Authors:
# Thomas Huth <thuth@redhat.com>
import os
import subprocess
import tarfile
def tar_extract(archive, dest_dir, member=None):
with tarfile.open(archive) as tf:
if hasattr(tarfile, 'data_filter'):
tf.extraction_filter = getattr(tarfile, 'data_filter',
(lambda member, path: member))
if member:
tf.extract(member=member, path=dest_dir)
else:
tf.extractall(path=dest_dir)
def cpio_extract(cpio_handle, output_path):
cwd = os.getcwd()
os.chdir(output_path)
subprocess.run(['cpio', '-i'],
input=cpio_handle.read(),
stderr=subprocess.DEVNULL)
os.chdir(cwd)
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