I'm trying to find three angles of a person’s face based on a two-dimensional landmark image

Question

I am trying to find the angles of rotation of a person’s face, based on a two-dimensional image on an iconic    enter a description of the image here

I am using dlib detect face, landmark. But I did not find any geometric method that could help me find the angles X, Y and Z (Roll, Pitch and Yaw).

Can someone help me show some kind of method in python that works?