[mod_python] Render a template (PSP)

Hi !

I want to only render a PSP template to insert to another PSP-s, I don't 
want to write to the output stream !

How to I redirect psp's output to get the rendered text ?

(Like in Zope where I can render some subtemplate to insert to other place).

I don't want to use include, only I want to render this PSP.

I see this example somewhere, but I cannot find it again.

Thanks for your help:
    dd