| #!/usr/bin/env python3 |
| |
| # Copyright (c) 2021-2022 Arm Limited. All rights reserved. |
| # 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 logging |
| import sys |
| import tarfile |
| import tempfile |
| from urllib.request import urlopen |
| from zipfile import ZipFile |
| from pathlib import Path |
| |
| TF = "https://github.com/tensorflow/tflite-micro/archive/1a0287fc5fa81fa6aa1dcfb0c5b2e01f74164393.zip" |
| CMSIS = "https://github.com/ARM-software/CMSIS_5/archive/9b5df640c777563919affb4e9201c96c657adbb2.zip" |
| ETHOS_U_CORE_DRIVER = "https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git/snapshot/ethos-u-core-driver-22.02.tar.gz" |
| ETHOS_U_CORE_PLATFORM = "https://git.mlplatform.org/ml/ethos-u/ethos-u-core-platform.git/snapshot/ethos-u-core-platform-22.02.tar.gz" |
| |
| |
| def download(url_file: str, post_process=None): |
| with urlopen(url_file) as response, tempfile.NamedTemporaryFile() as temp: |
| logging.info(f"Downloading {url_file} ...") |
| temp.write(response.read()) |
| temp.seek(0) |
| logging.info(f"Finished downloading {url_file}.") |
| if post_process: |
| post_process(temp) |
| |
| |
| def unzip(file, to_path): |
| with ZipFile(file) as z: |
| for archive_path in z.infolist(): |
| archive_path.filename = archive_path.filename[archive_path.filename.find("/") + 1:] |
| if archive_path.filename: |
| z.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, to_path): |
| with tarfile.open(file) as z: |
| for archive_path in z.getmembers(): |
| index = archive_path.name.find("/") |
| if index < 0: |
| continue |
| archive_path.name = archive_path.name[index + 1:] |
| if archive_path.name: |
| z.extract(archive_path, to_path) |
| |
| |
| def main(dependencies_path: Path): |
| |
| download(CMSIS, |
| lambda file: unzip(file.name, to_path=dependencies_path / "cmsis")) |
| download(ETHOS_U_CORE_DRIVER, |
| lambda file: untar(file.name, to_path=dependencies_path / "core-driver")) |
| download(ETHOS_U_CORE_PLATFORM, |
| lambda file: untar(file.name, to_path=dependencies_path / "core-platform")) |
| download(TF, |
| lambda file: unzip(file.name, to_path=dependencies_path / "tensorflow")) |
| |
| |
| 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(f'{download_dir} exists. Skipping download.') |
| else: |
| main(download_dir) |