[IPython-dev] Namespace pollution and a kernel panel

MinRK benjaminrk at gmail.com
Fri Jun 15 17:16:57 EDT 2012

On Fri, Jun 15, 2012 at 2:16 PM, Bob McElrath <bob+ipython at mcelrath.org>wrote:

> MinRK [benjaminrk at gmail.com] wrote:
> >
> > This is a popular idea - a namespace view, sidebar, etc. a la matlab or
> what
> > have you.  I've even implemented a simple one myself (purely with
> javascript in
> > a markdown cell) as a test of the recently reorganized javascript that
> allows
> > decoupling of execution from cells, based on %whos.
> Is it available somewhere?

I have no idea where I put it - I'll post it somewhere if I find it (and it
still works).

> > If you want to execute without editing the document, this is what the
> > 'run-in-place' (ctrl-Enter) is for - running a few commands in place,
> always
> > overwriting the same cell, because you don't actually want to keep the
> effects
> > in your document.
> Aaah I haven't been doing that with ctrl-enter, good idea.
> It still does change the kernel though, which is my concern.  (e.g. "what
> cell
> did I last execute that set $x$?")

But I think that's not feasible to actually enforce in Python, since
arbitrary code can cause arbitrary effects anywhere in the Python runtime.

> --
> Cheers, Bob McElrath
> "The individual has always had to struggle to keep from being overwhelmed
> by
> the tribe.  If you try it, you will be lonely often, and sometimes
> frightened.
> But no price is too high to pay for the privilege of owning yourself."
>    -- Friedrich Nietzsche
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