with open(filename, 'wb') as file, tqdm( desc=filename, total=total_size, unit='B', unit_scale=True ) as bar: for chunk in response.iter_content(chunk_size=8192): file.write(chunk) bar.update(len(chunk)) if == " main ": download_with_progress("https://example.com/file.zip", "file.zip") 3. Command-Line Arguments Version # main.py import argparse import requests def main(): parser = argparse.ArgumentParser(description="Download files from URL") parser.add_argument("url", help="URL to download") parser.add_argument("-o", "--output", help="Output filename", default=None)
response = requests.get(url) with open(filename, 'wb') as f: f.write(response.content) print(f"Downloaded: {filename}") if == " main ": urls = [ "https://example.com/file1.jpg", "https://example.com/file2.pdf", ]
python main.py https://example.com/file.pdf -o myfile.pdf # main.py import requests from concurrent.futures import ThreadPoolExecutor import os def download_file(url, folder="downloads"): os.makedirs(folder, exist_ok=True) filename = os.path.join(folder, url.split('/')[-1]) main.py download
if not args.output: args.output = args.url.split('/')[-1] or "downloaded_file"
args = parser.parse_args()
with ThreadPoolExecutor(max_workers=3) as executor: executor.map(download_file, urls) Most examples require requests :
response = requests.get(args.url) with open(args.output, 'wb') as f: f.write(response.content) print(f"Saved to {args.output}") if == " main ": main() 'wb') as file
Here’s a general guide for a main.py download — typically meaning a Python script ( main.py ) that handles downloading files from the internet. Simple URL downloader # main.py import requests def download_file(url, filename): response = requests.get(url, stream=True) response.raise_for_status()