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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2023 Intel Corporation
#
# 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.
#
# SPDX-License-Identifier: Apache-2.0
#
import os
import tarfile
import requests
import shutil
import zipfile
def download_file(download_url, destination_directory):
"""
Downloads a file using the specified url to the destination directory. Returns the
path to the downloaded file.
"""
if not os.path.isdir(destination_directory):
os.makedirs(destination_directory)
destination_file_path = os.path.join(destination_directory, os.path.basename(download_url))
print("Downloading {} to {}".format(download_url, destination_directory))
response = requests.get(download_url, stream=True, timeout=30)
with open(destination_file_path, 'wb') as out_file:
shutil.copyfileobj(response.raw, out_file)
return destination_file_path
def extract_tar_file(tar_file_path, destination_directory):
"""
Extracts a tar file on the local file system to the destination directory. Returns a list
of top-level contents (files and folders) of the extracted archive.
"""
if not os.path.isdir(destination_directory):
os.makedirs(destination_directory)
print("Extracting {} to {}".format(tar_file_path, destination_directory))
with tarfile.open(tar_file_path) as t:
t.extractall(path=destination_directory)
contents = {i.split('/')[0] for i in t.getnames()}
return list(contents)
def extract_zip_file(zip_file_path, destination_directory):
"""
Extracts a zip file on the local file system to the destination directory. Returns a list
of top-level contents (files and folders) of the extracted archive.
"""
if not os.path.isdir(destination_directory):
os.makedirs(destination_directory)
print("Extracting {} to {}".format(zip_file_path, destination_directory))
with zipfile.ZipFile(zip_file_path, "r") as z:
z.extractall(path=destination_directory)
contents = {i.split('/')[0] for i in z.namelist()}
return list(contents)
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