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d5674412ba
Provide a "gzip_uncompress" function based on the standard "gzip" module to avoid the usage of avocado.utils here. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240830133841.142644-31-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# 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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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import gzip
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import lzma
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import os
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import shutil
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import tarfile
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def archive_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 gzip_uncompress(gz_path, output_path):
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if os.path.exists(output_path):
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return
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with gzip.open(gz_path, 'rb') as gz_in:
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try:
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with open(output_path, 'wb') as raw_out:
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shutil.copyfileobj(gz_in, raw_out)
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except:
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os.remove(output_path)
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raise
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def lzma_uncompress(xz_path, output_path):
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if os.path.exists(output_path):
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return
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with lzma.open(xz_path, 'rb') as lzma_in:
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try:
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with open(output_path, 'wb') as raw_out:
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shutil.copyfileobj(lzma_in, raw_out)
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except:
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os.remove(output_path)
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raise
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