Web form validators for Python (RequiredFieldValidator anyone?)

[Lorenzo Bolognini]

Hi all,

just trying to do some web development with Python. At the moment I'm 
keeping an eye on these projects: Nevow, JotWeb, Albatross, Snakeskin 
and my favorite, CherryPy, soon coming with a version 2!

But, even though there's something I like in all of these frameworks, I 
can't find in the Python world anything similar to the .NET 
RequiredFieldValidator class (which I believe is the only thing I really 
like about .NET 
http://www.w3schools.com/aspnet/control_reqfieldvalidator.asp) even 
without the client side capabilities which I wouldn't rely upon anyway.

Can you point me to some code/class/module that implements what I'm 
looking for?

Thanks a lot,
Lorenzo

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