53 lines
2.2 KiB
Python
53 lines
2.2 KiB
Python
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# Copyright 2010 Baptiste Lepilleur and The JsonCpp Authors
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# Distributed under MIT license, or public domain if desired and
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# recognized in your jurisdiction.
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# See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
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from contextlib import closing
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import os
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import tarfile
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TARGZ_DEFAULT_COMPRESSION_LEVEL = 9
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def make_tarball(tarball_path, sources, base_dir, prefix_dir=''):
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"""Parameters:
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tarball_path: output path of the .tar.gz file
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sources: list of sources to include in the tarball, relative to the current directory
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base_dir: if a source file is in a sub-directory of base_dir, then base_dir is stripped
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from path in the tarball.
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prefix_dir: all files stored in the tarball be sub-directory of prefix_dir. Set to ''
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to make them child of root.
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"""
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base_dir = os.path.normpath(os.path.abspath(base_dir))
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def archive_name(path):
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"""Makes path relative to base_dir."""
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path = os.path.normpath(os.path.abspath(path))
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common_path = os.path.commonprefix((base_dir, path))
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archive_name = path[len(common_path):]
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if os.path.isabs(archive_name):
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archive_name = archive_name[1:]
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return os.path.join(prefix_dir, archive_name)
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def visit(tar, dirname, names):
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for name in names:
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path = os.path.join(dirname, name)
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if os.path.isfile(path):
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path_in_tar = archive_name(path)
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tar.add(path, path_in_tar)
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compression = TARGZ_DEFAULT_COMPRESSION_LEVEL
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with closing(tarfile.TarFile.open(tarball_path, 'w:gz',
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compresslevel=compression)) as tar:
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for source in sources:
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source_path = source
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if os.path.isdir(source):
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for dirpath, dirnames, filenames in os.walk(source_path):
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visit(tar, dirpath, filenames)
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else:
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path_in_tar = archive_name(source_path)
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tar.add(source_path, path_in_tar) # filename, arcname
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def decompress(tarball_path, base_dir):
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"""Decompress the gzipped tarball into directory base_dir.
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"""
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with closing(tarfile.TarFile.open(tarball_path)) as tar:
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tar.extractall(base_dir)
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