import asyncio
import aioredis


async def main():
    conn = await aioredis.create_connection(
        'redis://localhost', encoding='utf-8')

    ok = await conn.execute('set', 'my-key', 'some value')
    assert ok == 'OK', ok

    str_value = await conn.execute('get', 'my-key')
    raw_value = await conn.execute('get', 'my-key', encoding=None)
    assert str_value == 'some value'
    assert raw_value == b'some value'

    print('str value:', str_value)
    print('raw value:', raw_value)

    # optionally close connection
    conn.close()
    await conn.wait_closed()


if __name__ == '__main__':
    asyncio.get_event_loop().run_until_complete(main())