A simple webserver built with asyncio

simple_async_webserver.py

import asyncio

async def handle_request(reader, writer):
    data = await reader.readuntil(separator=b"\r\n\r\n")
    message = data.decode()
    addr = writer.get_extra_info('peername')

    print(f"Received request from {addr}")

    print(f"Send response.")
    writer.write(b"HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: 12\r\n\r\nHello, World")
    await writer.drain()

    print("Close the connection")
    writer.close()
    await writer.wait_closed()

async def main():
    server = await asyncio.start_server(
        handle_request, '127.0.0.1', 8888)

    addrs = ', '.join(str(sock.getsockname()) for sock in server.sockets)
    print(f'Serving on {addrs}')

    async with server:
        await server.serve_forever()

if __name__ == '__main__':
    try:
        asyncio.run(main())
    except KeyboardInterrupt:
        print("Server closed!")