Pyjs

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Pyjs

Original author(s)	James Tauber, Google
Developer(s)	Luke Leighton, Anthony C Risinger, Kees Bos
Initial release	March 2007; 18 years ago (2007-03)
Stable release	0.8.1a[1]  / 9 May 2012; 12 years ago (9 May 2012)
Repository	github.com/pyjs/pyjs
Written in	Apache License 2.0
Website	pyjs.org

Pyjs (formerly Pyjamas before May 2012

It contains a stand-alone

The pyjs compiler is written in the programming language Python, and uses it to compile its input into JavaScript, walking the abstract syntax tree of the program being compiled. Although the compiler is stand-alone, the primary use of pyjs is for web development, so there is additional infrastructure for building web applications.

The DOM.py^[5] model library is an abstraction layer — a thin layer of Python on top of JavaScript code snippets — use of which provides access to the full Document Object Model of the target browser platform. As with any compiler, the JavaScript snippets are treated as inline assembler.

Furthermore, on top of the DOM.py model library is an additional abstraction layer, ui.py,

The major Pyjs components include:

pyjs Python-to-JavaScript Compiler

Translates the programming language Python into JavaScript.

Python builtin and standard emulation library

JavaScript implementations of the commonly used modules, builtins and classes in the Python standard runtime library (such as strings, lists, dictionaries, tuples, sets, getattr, map, filter, range, etc.; basic exception handling, a basic datetime and a basic math module).

pyjs DOM library^[5]

Modules for manipulating the browser DOM.

pyjs Web UI module^[6]

A module for creating

widget engine

.

pyjs Desktop ports

Support for running pyjs apps as pure Python, under

MSHTML (Trident), Gecko (XULRunner) or WebKit

. Pyjs Desktop is conceptually close to GWT "Hosted" mode, except that the applications can be deployed live, under pyjs Desktop, rather than be used exclusively as a debugging tool.

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