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#!/usr/bin/env python3
# SPDX-FileCopyrightText: Copyright 2021-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
# SPDX-License-Identifier: Apache-2.0
#
# 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 script does effectively the same as "git submodule update --init" command."""
import json
import logging
import sys
import tarfile
import tempfile
import typing
from pathlib import Path
from urllib.request import urlopen
from zipfile import ZipFile
def download(
url_file: str,
to_path: Path,
):
"""
Download a file from the specified URL
@param url_file: The URL of the file to download
@param to_path: The location to download the file to
"""
with urlopen(url_file) as response, tempfile.NamedTemporaryFile() as temp:
logging.info("Downloading %s ...", url_file)
temp.write(response.read())
temp.seek(0)
logging.info("Finished downloading %s.", url_file)
if url_file.endswith(".tar.gz"):
untar(temp.name, to_path)
else:
unzip(temp, to_path)
def unzip(
file: typing.IO[bytes],
to_path: Path
):
"""
Unzip the specified file
@param file: The file to unzip
@param to_path: The location to extract to
"""
with ZipFile(file) as f:
for archive_path in f.infolist():
archive_path.filename = archive_path.filename[archive_path.filename.find("/") + 1:]
if archive_path.filename:
f.extract(archive_path, to_path)
target_path = to_path / archive_path.filename
attr = archive_path.external_attr >> 16
if attr != 0:
target_path.chmod(attr)
def untar(
file: bytes,
to_path: Path
):
"""
Untar the specified file
@param file: The file to untar
@param to_path: The location to extract to
"""
with tarfile.open(file) as f:
for archive_path in f.getmembers():
index = archive_path.name.find("/")
if index < 0:
continue
archive_path.name = archive_path.name[index + 1:]
if archive_path.name:
f.extract(archive_path, to_path)
def main(dependencies_path: Path):
"""
Download all dependencies
@param dependencies_path: The path to which the dependencies will be downloaded
"""
dependency_urls_path = (
Path(__file__).parent.resolve() / "scripts" / "py" / "dependency_urls.json")
with open(dependency_urls_path, encoding="utf8") as f:
dependency_urls = json.load(f)
for name, url in dependency_urls.items():
download(url, dependencies_path / name)
if __name__ == '__main__':
logging.basicConfig(filename='download_dependencies.log', level=logging.DEBUG, filemode='w')
logging.getLogger().addHandler(logging.StreamHandler(sys.stdout))
download_dir = Path(__file__).parent.resolve() / "dependencies"
if download_dir.is_dir():
logging.info('%s exists. Skipping download.', download_dir)
else:
main(download_dir)
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