I am basically from Java, but I need to use Python for a new project. I prefer widget based web framework like zkoss, vaadin, GWT etc.
Does python has widget based framework?
lona is an option as well as all the candidates in the purepython-list
If you are just interested in the widget approach the:
might be interesting for your. Please note that i am maintainer for justpy
You can use Muntjac, it is a semi-automatic translation of vaadin, and depending on your needs about python you just can use jython inside vaadin, but you will lost the 3th party c extesions to python...
Note that Vaadin can be used with Python.