You've convinced me that brython is interesting. I still think it would require a miracle for it to become mainstream, but it has a better change than pythonb.org. :-)
On Mon, Feb 10, 2014 at 3:35 PM, Glyph <gl...@twistedmatrix.com> wrote: > > On Feb 10, 2014, at 5:19 PM, Guido van Rossum <gu...@python.org> wrote: > > Then we're doomed, because this is entirely political (the companies > making browsers must want to do it). > > > Not at all. There are a number of promising proofs of concept, > demonstrating different aspects of this problem: Pyjamas, the PyJS fork of > Pyjamas, Skulpt, Empythoned (which actually compiles *CPython* to run in > the browser with surprisingly reasonable performance!), Brython, and PyPy's > now defunct JS backend to name a few. With source maps, it's even possible > to use native JavaScript debugging and profiling tools on Browser-hosted > Python. > > The political problem is entirely based around getting the various > interested parties together and trying to hammer out some kind of common > core that they can all get running and contribute to, rather than > duplicating tons and tons of effort and only ever getting to a 60% solution. > > Browser vendors seem perfectly happy to treat JavaScript as a compilation > target; efforts like ASM.JS are in fact trying to formalize this process > and provide support for it. Most of these Py-to-JS converters work fine on > mobile devices, too. > > Guido, if you haven't checked it out, <http://www.brython.info> is a > *very* interesting demo: it literally makes <script type="text/python3"> > work in a web page, with nothing beyond a single JavaScript file include > (no local compilation, no offline processing). The only problem is that > the language really isn't quite Python - see, for example, < > https://bitbucket.org/olemis/brython/issue/147/generators-send-method-missed>. > But they've made a surprising amount of progress since I last checked, and > they seem to be closing issues all the time :-). > > -glyph > > -- --Guido van Rossum (python.org/~guido)
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