| #!/usr/bin/env python |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| from __future__ import print_function |
| from future import standard_library |
| standard_library.install_aliases() |
| import urllib.request, urllib.parse, urllib.error |
| import tarfile |
| import os |
| import sys |
| |
| |
| def extract_tarfile(filepath): |
| if os.path.exists(filepath): |
| print('The tar file does exist. Extracting it now..') |
| with tarfile.open(filepath, 'r') as f: |
| f.extractall('/tmp/') |
| print('Finished!') |
| sys.exit(0) |
| |
| |
| def do_download(dirpath, gzfile, url): |
| print('Downloading CIFAR from %s' % (url)) |
| urllib.request.urlretrieve(url, gzfile) |
| extract_tarfile(gzfile) |
| print('Finished!') |
| |
| |
| if __name__ == '__main__': |
| dirpath = '/tmp/' |
| gzfile = dirpath + 'cifar-10-python.tar.gz' |
| url = 'http://www.cs.toronto.edu/~kriz/cifar-10-python.tar.gz' |
| do_download(dirpath, gzfile, url) |