1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
#!/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)
|
