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c055f1d26f
Currently cpio_extract differs from tar_extract/zip_extract in that it only allows a file-like object as input. Adapt it to also support filenames. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-ID: <20241217155953.3950506-21-berrange@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Utilities for python-based QEMU tests
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#
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# Copyright 2024 Red Hat, Inc.
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#
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# Authors:
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# Thomas Huth <thuth@redhat.com>
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import os
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from subprocess import check_call, run, DEVNULL
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import tarfile
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import zipfile
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from .cmd import run_cmd
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def tar_extract(archive, dest_dir, member=None):
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with tarfile.open(archive) as tf:
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if hasattr(tarfile, 'data_filter'):
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tf.extraction_filter = getattr(tarfile, 'data_filter',
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(lambda member, path: member))
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if member:
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tf.extract(member=member, path=dest_dir)
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else:
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tf.extractall(path=dest_dir)
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def cpio_extract(archive, output_path):
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cwd = os.getcwd()
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os.chdir(output_path)
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# Not passing 'check=True' as cpio exits with non-zero
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# status if the archive contains any device nodes :-(
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if type(archive) == str:
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run(['cpio', '-i', '-F', archive],
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stdout=DEVNULL, stderr=DEVNULL)
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else:
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run(['cpio', '-i'],
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input=archive.read(),
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stdout=DEVNULL, stderr=DEVNULL)
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os.chdir(cwd)
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def zip_extract(archive, dest_dir, member=None):
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with zipfile.ZipFile(archive, 'r') as zf:
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if member:
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zf.extract(member=member, path=dest_dir)
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else:
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zf.extractall(path=dest_dir)
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def deb_extract(archive, dest_dir, member=None):
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cwd = os.getcwd()
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os.chdir(dest_dir)
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try:
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(stdout, stderr, ret) = run_cmd(['ar', 't', archive])
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file_path = stdout.split()[2]
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run_cmd(['ar', 'x', archive, file_path])
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tar_extract(file_path, dest_dir, member)
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finally:
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os.chdir(cwd)
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