The Templatizer is basically an alternate take on the Tech Gridder; it embeds the level-up formulas into "template files" which follow the same basic format as SE4 data files but have embedded Python code.
Download the tool here:
http://kolis.dyndns.org/ed/prog/temp...latizer-py.zip
One of the first mods to use the Templatizer is the Low Tech Mod, which includes the template files so you can see how it works:
http://kolis.dyndns.org/ed/se/se4/mo...Tech%20Mod.zip