Here’s my quick review of three such tools:
- pyjamas – a port of Google Web Toolkit to Python. The disadvantage is that in order to use GWT widgets you have to port them from Java to Python and this process is not 100% automatic.
- skulpt – looks quite nice, but isn’t complete. The disadvantage is that it looks like a one-man project, and he may never have time to complete it.
- pyjaco – also looks good, not yet complete, but getting there. This one seems to have a reasonably active community behind it.