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51 lines (41 loc) · 1.49 KB
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# Copyright 2020 The SQLFlow Authors. All rights reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" This module provides two APIs to compress and decompress a
directory.
"""
import os
import tarfile
def zip_dir(src_dir, tarball, arcname=None, filter=None):
"""To compress a directory into tarball.
Args:
src_dir: string
The source directory to compress.
tarball: string
The output tarball name.
arcname: string
The output name of src_dir in the tarball.
"""
with tarfile.open(tarball, "w:gz") as tar:
tar.add(src_dir, arcname=arcname, recursive=True, filter=filter)
def unzip_dir(tarball, dest_dir=None):
"""To decompress a tarball to a directory.
Args:
tarball: string
The tarball to decompress.
dest_dir: string
The output path.
"""
if dest_dir is None:
dest_dir = os.getcwd()
with tarfile.open(tarball, 'r:gz') as tar:
tar.extractall(path=dest_dir)