The module interface is object oriented which suits the purpose well. Pages, texts and images are handled as objects which can be added to each other. Basic layout management is handled with layout containers that can contain other objects.
Containers can of course contain containers.
Python PS helps generating PostScript from your Python-programs. What you can do with Python PS is much up to your imagination. Examples can be reports for economical systems, summaries of your computer systems, autogenerated magazines, books and so on. Below are some examples of python code and the Postscript code they generate. Python PS will be available for download here soon, I need to make it a module first.