[IPython-dev] interacting with ipython kernels from c++

[Nicholas Bollweg]

This topic just came up in discussion with one of my colleagues:
specifically, the widget framework is actually a very good way to provide
an arbitrary, evented API for a run-time instance.

Imagine being able to connect to a running kernel _from_ a running kernel,
and programmatically interact with widgets: from within a notebook, restore
a snapshotted docker instance, of _some kernel_. One could ask, "what
widgets do you have?" It says back, "I have a button, two float sliders and
an output float." slide, slide, click: when the output is populated, the
run is "done".

This allows building very "human" APIs for potentially quite complicated
environments.

On Mon, Nov 17, 2014 at 8:59 PM, Thomas Kluyver <takowl at gmail.com> wrote:

> On 17 November 2014 17:46, Souheil Inati <souheil.inati at gmail.com> wrote:
>
>> What I am wondering is if someone has documented the complementary
>> problem, i.e. writing a front end in a different language.
>
>
> It should absolutely be possible, but I don't think it's very well
> explored or documented. Besides the messaging spec (
> http://ipython.org/ipython-doc/dev/development/messaging.html ), you will
> want to look at the code in IPython.kernel.manager, which launches and
> shuts down kernels, and IPython.kernel.client, which controls communicating
> with a kernel.
>
> I hope that gives you some useful things to get started with. Feel free to
> ask more questions here.
>
> Thomas
>
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