call_eyetracker_manager.py

import os
import subprocess
import platform
import glob
import tobii_research as tr


def call_eyetracker_manager_example():
    try:
        os_type = platform.system()
        ETM_PATH = ''
        DEVICE_ADDRESS = ''
        if os_type == "Windows":
            ETM_PATH = glob.glob(os.environ["LocalAppData"] +
                                 "/TobiiProEyeTrackerManager/app-*/TobiiProEyeTrackerManager.exe")[0]
            DEVICE_ADDRESS = "tobii-ttp://IS404-100107417574"
        elif os_type == "Linux":
            ETM_PATH = "TobiiProEyeTrackerManager"
            DEVICE_ADDRESS = "tobii-ttp://TOBII-IS404-100107417574"
        elif os_type == "Darwin":
            ETM_PATH = "/Applications/TobiiProEyeTrackerManager.app/Contents/MacOS/TobiiProEyeTrackerManager"
            DEVICE_ADDRESS = "tobii-ttp://TOBII-IS404-100107417574"
        else:
            print("Unsupported...")
            exit(1)

        eyetracker = tr.EyeTracker(DEVICE_ADDRESS)

        mode = "displayarea"

        etm_p = subprocess.Popen([ETM_PATH,
                                  "--device-address=" + eyetracker.address,
                                  "--mode=" + mode],
                                 stdout=subprocess.PIPE,
                                 stderr=subprocess.PIPE,
                                 shell=False)

        stdout, stderr = etm_p.communicate()  # Returns a tuple with (stdout, stderr)

        if etm_p.returncode == 0:
            print("Eye Tracker Manager was called successfully!")
        else:
            print("Eye Tracker Manager call returned the error code: " + str(etm_p.returncode))
            errlog = None
            if os_type == "Windows":
                errlog = stdout  # On Windows ETM error messages are logged to stdout
            else:
                errlog = stderr

            for line in errlog.splitlines():
                if line.startswith("ETM Error:"):
                    print(line)

    except Exception as e:
        print(e)


if __name__ == "__main__":
    call_eyetracker_manager_example()