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Web frameworks with python

I was writing a tutorial for SNAIU when I started to wonder what facilities Python has for writing browser based GUIs. I know that R has Rweb. I have had a great experience with Ruby On Rails, writing RRiki to handle my note taking and reference management needs. So I started to look into what Python has by way of web frameworks.

The python wiki has two relevant pages: web frameworks and web programming. I was attracted to Pylons, because it was the closest to Rails. But for my app what I need is something closer to Rweb, where you can create webpages with links that call actual code and return results on the webpage itself. A browser based GUI!

If anyone knows of any such solution, please tell me. Meanwhile, I think Pylon is the closest I can think off.

2007.11.1 - and then I discover SAGE. It looks like Rweb enhanced. Looks very promising.
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