user_position_guide.py

def execute(eyetracker):
    user_position_guide(eyetracker)


# <BeginExample>
import time
import tobii_research as tr

global_user_position_guide = None


def user_position_guide_callback(user_position_guide):
    global global_user_position_guide
    global_user_position_guide = user_position_guide


def user_position_guide(eyetracker):
    global global_user_position_guide

    print("Subscribing to user position guide for eye tracker with serial number {0}.".format(eyetracker.serial_number))
    eyetracker.subscribe_to(tr.EYETRACKER_USER_POSITION_GUIDE, user_position_guide_callback, as_dictionary=True)

    # Wait while some user position guide is collected.
    time.sleep(2)

    eyetracker.unsubscribe_from(tr.EYETRACKER_USER_POSITION_GUIDE, user_position_guide_callback)
    print("Unsubscribed from user position guide.")

    print("Last received user position guide package:")
    print(global_user_position_guide)
# <EndExample>