def isfile(value):
    return vol.IsFile('not a file')(value)
This property will return component which will handle login requests.
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/helpers/config_validation.py/isfile--crossover with--dataset/ETHPy150Open SmartTeleMax/iktomi/iktomi/auth.py/CookieAuth.login