@property
    def opos(self):
        return self.ox, self.oy
Try to determine the current system user's username to use as a default.
dataset/ETHPy150Open kivy/kivy/kivy/input/motionevent.py/MotionEvent.opos--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/auth/management/__init__.py/get_default_username