def standby_hardware():
""" Closes all valves if no commands have been issued for the last X
seconds. Intended to be run every now and then by the scheduler.
Adjust X seconds with the app.time_to_standby variable. """
if (time.time() - float(r.get("last_hardware_access"))) \
> app.time_to_standby:
tamagotchip.stop_flow()
def stop_flow():
""" Blocks flow. Feedback is handled by heartbeats. """
app.logger.debug("Stopping flow.")
tamagotchip.stop_flow()
return 'OK'
