Python3 Download Image Asynchronously From List of URLs.

async_download_images.py

"""
To Download Image Asynchronously From List of URLs
"""

import asyncio
from pathlib import Path

import aiofiles
from aiohttp import ClientSession

# List of image urls to download
URLS = []

FILE_FORMAT = "jpg"

# Local download path, Create a directory if not exist
DOWNLOAD_DIR = Path("./Images")
DOWNLOAD_DIR.mkdir(parents=True, exist_ok=True)


async def download(session, url, index):
    async with session.get(url) as response:
        filename = DOWNLOAD_DIR / f"{index}.{FILE_FORMAT}"
        img = await response.content.read()
        async with aiofiles.open(filename, "wb") as img_file:
            await img_file.write(img)


async def main():
    headers = {"Connection": "close"}
    async with ClientSession(headers=headers) as session:
        tasks = [
            download(session, url, index) for index, url in enumerate(URLS, start=1)
        ]
        await asyncio.gather(*tasks)


if __name__ == "__main__":
    asyncio.run(main())