[Python-ideas] Summer of Code Project Idea: Python Apps in the Browser

Michael Foord fuzzyman at gmail.com
Fri Aug 26 13:12:20 CEST 2011

On 26 August 2011 03:28, Nick Coghlan <ncoghlan at gmail.com> wrote:

> On Fri, Aug 26, 2011 at 11:11 AM, Michael Foord <fuzzyman at gmail.com>
> wrote:
> > Plus IronPython runs in the Silverlight runtime. Probably of less
> interest
> > to this crowd though. :-)
> In the talk at PyConAU that mentioned gumbyapp [1], trypython was the
> first version Tim showed. Gumbyapp was his follow-up for the cases
> where Silverlight wasn't an option (or ran too slowly). Although it
> turns out many browsers aren't happy about being sent 2.8 MB JSON
> objects, either :)

Ooh, nice. Here's the "Try Python" variant they created for the students /
teachers to run Python, with an interactive interpreter and editor:


Thanks for pointing this out. (Try Python provides a "filesystem" based on
browser local storage and patches "open" to work with this. Adding an import
hook that can import from the browser filesystem wouldn't be very hard and
it looks like they have *something* like that in place.)

All the best,

Michael Foord

> It's actually a really cool talk (and my personal favourite of the
> whole weekend at PyConAU) about how the National Computer Science
> School run by the University of Sydney uses OS level sandboxing to
> permit safe execution of arbitrary Python code on the NCSS servers
> (alas, UoS has not made the code backing the site open source at this
> point in time and Tim wasn't sure if or when that would happen).
> To add another possible mechanism into the mix, freezing modules may
> be another way to get them into the LLVM bytecode. Dynamic import
> mechanisms are hard, since you run into bootstrapping issues (cf.
> Brett's hassles with making importlib the underlying implementation of
> the __import__ builtin).
> [1] http://www.youtube.com/watch?v=y-WPPdhTKBU&feature=channel_video_title
> Cheers,
> Nick.
> --
> Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia



May you do good and not evil
May you find forgiveness for yourself and forgive others
May you share freely, never taking more than you give.
-- the sqlite blessing http://www.sqlite.org/different.html
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