Main.py Download __link__ May 2026

python main.py # main.py import requests from tqdm import tqdm def download_with_progress(url, filename): response = requests.get(url, stream=True) total_size = int(response.headers.get('content-length', 0))

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", ] main.py download

Run with:

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]) python main

with ThreadPoolExecutor(max_workers=3) as executor: executor.map(download_file, urls) Most examples require requests :

Run with:

with open(filename, 'wb') as file: for chunk in response.iter_content(chunk_size=8192): file.write(chunk) print(f"Downloaded: {filename}") if == " main ": url = input("Enter URL to download: ") filename = input("Save as: ") download_file(url, filename)