Data Extract in Tableau

Found a great website with instructions on how to automate data extracts in Tableau.  Actually, the site is pretty cool in general:

Building Tableau Data Extracts with Python in Tableau 8

Build Tableau Data Extracts out of CSV Files

 

First step is to download and install the data extract modules:

http://www.tableausoftware.com/data-extract-api

 

Looking for instructions on how to install, also found instructions on using Tableau command line facility.  This looks like it would be pretty useful as well:

http://onlinehelp.tableausoftware.com/current/pro/online/en-us/help.html#extracting_TDE.html