2013/11/13 Terry Reedy <tjreedy@udel.edu>:
> There are several websites running submitted Python code (and in some cases,
> many other languages).
> ProjectEuler
> CodeAcademy (I think they use someone else's code box)
> CheckIO.org - python only
> other coding challenge sites
> I suspect they use sandboxed processes but have not seen anyone talk about
> what they are doing.

I sure hope so. 

It's probably a sandbox around the Python process, not inside the process.

There is also http://shell.appspot.com/ which uses Google AppEngine.
In my opinion, Google AppEngine doesn't use a sandbox in Python, but
outside Python.

That's not just your opinion, it's a fact.

-- 
--Guido van Rossum (python.org/~guido) ">

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On Tue, Nov 12, 2013 at 3:53 PM, Victor Stinner <victor.stinner@gmail.com> wrote:
2013/11/13 Terry Reedy <tjreedy@udel.edu>:
> There are several websites running submitted Python code (and in some cases,
\> many other languages).
\> ProjectEuler
\> CodeAcademy (I think they use someone else's code box)
\> CheckIO.org - python only
\> other coding challenge sites
\> I suspect they use sandboxed processes but have not seen anyone talk about
\> what they are doing.

I sure hope so.

It's probably a sandbox around the Python process, not inside the process.

There is also http://shell.appspot.com/ which uses Google AppEngine.
In my opinion, Google AppEngine doesn't use a sandbox in Python, but
outside Python.

That's not just your opinion, it's a fact.

--
--Guido van Rossum (python.org/\~guido)