cockroach.py

from approxeng.task import task, resource, run
import time

@resource(name='lux')
def read_light_sensor():
    sensor_reading = ...
    return sensor_reading

# Create the motor board object, this will depend on the hardware
# fitted to your robot.
motor_board = ...

# Tell the task framework about it, give it a name.
register_resource(name='motors', value=motor_board)

# Task to wait for the light to get too bright
@task(name='light_monitor', resources=['lux'])
def light_monitoring_task(world):
    light_reading = world.lux
    if light_reading > 9000:
        return 'run_away'
    sleep(1)

@task(name='run_away', resources=['lux','motors'])
def run_away_and_hide(world)
    # Fire up the motors and get out of here!
    world.motors.go_really_fast()
    light_reading = world.lux
    if light_reading < 1000:
        # Ah, soothing darkness
        return 'light_monitor'
    sleep(1)

run(root_task='light_monitor')