gistfile1.txt

import aiohttp
import asyncio


async def test():
    with aiohttp.ClientSession() as session:
        with aiohttp.MultipartWriter() as mpwriter:
            data = "\n".join(["My multipart command "])
            mpwriter.append(data, headers={'Content-Transfer-Encoding':'binary'})

            async with session.post("https://google.com", data=mpwriter) as response:
                print(response.status)


asyncio.get_event_loop().run_until_complete(test())