[IPython-dev] [ANN] IPython 3.0.0rc1

Thomas Kluyver takowl at gmail.com
Tue Feb 17 16:53:22 EST 2015

On 17 February 2015 at 13:43, Max Linke <max_linke at gmx.de> wrote:

> Isn't there a guarantee about which functions are available when
> custom.js is loaded?

Currently, as far as I'm aware, no, there isn't. Possibly we should give
one, though I think that's too late for 3.0 now.

> I tried to read the old behavior of 'ctrl-j' and 'ctrl-k' with:
>      IPython.Cell.options_default.cm_config.extraKeys['ctrl-j']

There's a code snippet to restore Ctrl-J/Ctrl-K here:

The shortcuts set in cm_config are only for Codemirror, i.e. they act
within a single cell. Notebook shortcuts, e.g. for moving cells around, are
defined elsewhere.

> Is it documented somewhere what the recommended way is of enabling
> extensions in the notebook? I can't find anything in the online docs and
> most extensions I find seem to use another way to load it.

Basically nothing about the JS API is documented yet, and this is kind of
deliberate - most of it is still changing pretty fast, and we don't want to
give a false impression of stability.

In IPython 3, there is a way of storing declarative frontend config,
including a set of extensions to load, so you don't have to manually edit
custom.js to enable them. There is an extension built on top of this to
provide a GUI for enabling and disabling extensions:


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