Python Ogre Terrain

I had gone through the Terrain tutorial for Ogre 1.7 in C++ in the OGRE wiki, and it is so different from the Python ogre tutorial. Why is that so? Is the tutorial complete? It's so small and different.

There are two types of Terrain.
For info on the new OgreTerrain system, check out this thread: viewtopic.php?f=3&t=11872&p=67325&hilit=terrain+ogreterrain#p67325