download zip file and up zip

download_zip_file_&unzip.py

import os
import tarfile
import urllib.request
from datetime import datetime
import zipfile


data_dir = "./data/"
if not os.path.exists(data_dir):
    os.mkdir(data_dir)

url = "https://storage.googleapis.com/kaggle-data-sets/1271215/2118595/compressed/VOC2012_test.zip?X-Goog-Algorithm=GOOG4-RSA-SHA256&X-Goog-Credential=gcp-kaggle-com%40kaggle-161607.iam.gserviceaccount.com%2F20221027%2Fauto%2Fstorage%2Fgoog4_request&X-Goog-Date=20221027T022952Z&X-Goog-Expires=259200&X-Goog-SignedHeaders=host&X-Goog-Signature=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"
target_path = os.path.join(data_dir, "VOC2012_test.zip") 

time_start = datetime.now()

if not os.path.exists(target_path):
    urllib.request.urlretrieve(url, target_path)
    with zipfile.ZipFile(target_path, 'r') as zf:
        zf.extractall(data_dir)
    
time_end = datetime.now() - time_start

print(f"Download: {time_end}")

Download tar

time_start = datetime.now()


data_dir = "./data/"
if not os.path.exists(data_dir):
    os.mkdir(data_dir)


url = "http://pjreddie.com/media/files/VOCtrainval_11-May-2012.tar"
target_path = os.path.join(data_dir, "VOC2012_trainval.tar") 

if not os.path.exists(target_path):
    urllib.request.urlretrieve(url, target_path)
    tar = tarfile.TarFile(target_path)
    tar.extractall(data_dir+"VOC2012_trainval")
    tar.close()

time_end = datetime.now() - time_start

print(f"Download trianval: {time_end}")