import asyncio
from w1thermsensor import AsyncW1ThermSensor, Unit

async def get_temperatures():
    temps = {}

    for sensor in AsyncW1ThermSensor.get_available_sensors():
        temps[sensor.id] = await sensor.get_temperature()

    return temps

async def test():
    temps = await get_temperatures()

    for id_, temp in temps.items():
        print('sensor', id_, ':' , temp, 'C')

if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(test())
    loop.close()