[IPython-dev] Poll on Deprecating %load_ext

[Brian Granger]

I am +1 on deprecating it.

On Thu, Jul 9, 2015 at 11:04 AM, Matthias Bussonnier
<bussonniermatthias at gmail.com> wrote:
> Hello list,
>
>
> TL;DR: We are considering deprecating the %install_ext magic[1] do you have
> usages that are not covered by doing actual packages?
>
> Longer version:
>
> As we are refactoring and cleaning IPython for a 4.0 release we come across
> lots of
> small pieces of code that have been around for a long time, and for which
> the presence
> into IPython might only be historical reason.
>
> I recently came across new magics projects recommending to be install using
> the %install_ext magic.
> As we all know, Python packaging system, have been improving the last few
> years, and it is now relatively simple[2]
> to put a python package on PyPI. As you all know, or might learn, you do not
> need to install a magic with %install_ext,
> you can just make it a python module.
>
> There is then no apparent reasons to keep %install_ext around, as we do not
> want to reinvent the wheel, and %install_ext
> does not cover many areas that pip/conda/apt does. For example, security,
> update, uninstall, venv ...
>
> So the question is: Do you use %install_ext for usage that cannot be covered
> by pip or other package manager tools ?
> Do you have any opposition of us deprecating %install-ext ? Do you approve
> of us getting rid of %install_ext ?
>
> You can reply to this thread or on the PR to give us your input.
>
> Thanks,
> --
> M
> [1]: https://github.com/ipython/ipython/pull/8601
> [2]: shameless plug for thomas project: https://github.com/takluyver/flit
>
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-- 
Brian E. Granger
Cal Poly State University, San Luis Obispo
@ellisonbg on Twitter and GitHub
bgranger at calpoly.edu and ellisonbg at gmail.com