import asyncoss
import asyncio

endpoint = 'http://oss-cn-beijing.aliyuncs.com'

auth = asyncoss.Auth('<Your AccessKeyID>', '<Your AccessKeySecret>')

async def main():
    # The object key in the bucket is story.txt
    async with asyncoss.Bucket(auth, endpoint, '<your bucket name>') as bucket:
        key = 'story.txt'

        # Upload
        await bucket.put_object(key, 'Ali Baba is a happy youth.')

        # Download
        result = await bucket.get_object(key)
        await result.resp.read()

        # Delete
        await bucket.delete_object(key)

loop = asyncio.get_event_loop()
loop.run_until_complete(main())