Async File Downloader

A Python script for downloading multiple files concurrently with progress tracking and error handling.

Features

• Concurrent downloads using asyncio and aiohttp
• Progress tracking with rich progress bars
• Automatic resumption of interrupted downloads
• Customizable headers for requests
• Content length caching to avoid repeated HEAD requests
• Error handling and retry mechanism

Requirements

• Python 3.7+
• aiohttp
• rich
• requests

Demo

Usage

# main.py
import asyncio
from script import download_multiple_files

headers = {
    'x-api-key': '123456'
}

urls_and_ranges = [
    ('https://download.file/video1.mp4', 300),
    ('https://download.file/video2.mp4', 450)
]

asyncio.run(download_multiple_files(urls_and_ranges, headers))

python main.py

Architectural Decision Records

• Why use asyncio?