Check here the Part 1 of this series. The first example script is taken from an older Autodesk University class (AU Python PDF). The pdf is available here. Beginning on page 44, the pdf creates a ...

This tool (proof-of-concept, sample code, use at own risk) is exporting all project files as AutoCAD. It keeps the folder structure for the export. There are two commands, one for P&ID project files ...