[jamessb]

It doesn't contain any new ideas, no - there are many other tutorials about eigenfaces with example code, such as:

http://jeremykun.com/2011/07/27/eigenfaces/

http://nbviewer.ipython.org/github/rcquan/sklearn-practice/b...

The wikipedia article (https://en.wikipedia.org/wiki/Eigenface) also contains code for a MATLAB implementation.