Pyjamas is a port of Google Web Toolkit to Python. (Download Pyjamas 0.6). Read the FAQ and the list of Features



http://pyjs.org

Features (from the webpage)



* Dynamic and reusable UI components: programmers can use pre-designed classes to implement otherwise time-consuming dynamic behaviors, such as drag-and-drop or sophisticated visual tree structures.

* Supports basic python types, emulated in javascript, such as List, Dictionary, Tuple, string; many of the standard python builtin functions, such as map, filter, range; and some of the standard python Exceptions are supported.

* Declarative style of "desktop" widget programming (almost identical to python-qt4, python-gtk2 and python-wxWidgets), yet the applications are compiled to javascript and run in all major web browsers.

* Simple RPC mechanism

* Browser history management, covering "Back", "Forward" with no hassle for the developer. AJAX applications typically break the "Go Back" button: use the History module to provide your application with History management.

* Run-time Support for runtime errors: a function call stack can be kept in debug mode, and displayed when a runtime error occurs. This is incredibly useful in situations where installing a Javascript debugger is inconvenient or impossible.

* Pyjamas handles all cross-browser issues for the developer.

* The developers can mix handwritten JavaScript in the Python source code, including plumbing in to other Javascript frameworks and libraries.

* Beginnings of support for using Google APIs in GWT applications (initially, support for Google Gears Database)

* Pyjamas is entirely Free Software.

* The developers can design and develop their application in a pure object-oriented fashion, since they're using Python (instead of JavaScript).

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