The "horrible thing" in developer Erik Rose's talk from this year's PyCon is the Mediawiki syntax, but that's just a jumping off point for one of the best overviews of data parsing that I've run ...

A set of scripts for the the game Incursion Red River to parse specific json files form game data and export spreadsheets DT_Vendor.json DefaultGameplayTags.ini DA_VendorSettings.json All ...