[IPython-dev] ipython html notebook server on dotcloud

Shoibal Chakravarty shoibalc at gmail.com
Thu Sep 6 16:34:03 EDT 2012

Hi Jason,

I decided to try to get sage cell server work without any sage dependencies ( ie,  I 
removed jmol).

Strangely, I get an output in the bottom cell only when ipython returns an error but not 
otherwise. Are stdout and stderr handled differently?  Does this have to do with the 
version of ipython and other packages used in sage vs the most recent ones.


On 09/06/2012 12:19 AM, Jason Grout wrote:
> On 9/5/12 11:07 PM, Shoibal Chakravarty wrote:
>> Hi Jason,
>> I'd definitely be interested in learning more about sagecell. Is there a design document
>> that I could look at?
> We're working on one.  The code base is in the contrib/ipython-testing
> directory:
> https://github.com/sagemath/sagecell/tree/master/contrib/ipython-testing
> Very briefly: The web_server.py file is the main program that is run.
> The webserver has a trusted multikernel manager that talks to an
> untrusted multikernel manager (typically another account or another
> computer) over zmq.  The untrusted multikernel manager receives a
> request to start up a session and uses the forking kernel manager to
> create a session by forking and hook up the zmq channels to the webserver.
> William Stein is also working on a new design and architecture for
> scalable and secure scientific computing like the notebook which looks
> very promising.  That's one of his top priorities over the next 6-8
> months or so.
> Thanks,
> Jason
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