[IPython-dev] Using pip within notebooks

[Jacob Vanderplas]

Thanks all!
   Jake

 Jake VanderPlas
 Senior Data Science Fellow
 Director of Research in Physical Sciences
 University of Washington eScience Institute

On Fri, Oct 16, 2015 at 6:30 PM, Aaron S. Meurer <asmeurer at gmail.com> wrote:

> For conda you can use conda install -p {sys.prefix}.
>
> Aaron Meurer
>
> On Oct 16, 2015, at 5:55 PM, Matthias Bussonnier <
> bussonniermatthias at gmail.com> wrote:
>
> Hi Jake,
>
> On Oct 16, 2015, at 14:49, Jacob Vanderplas <jakevdp at cs.washington.edu>
> wrote:
>
> Hi folks,
> One quick question – in previous IPython versions, I had often used ``!pip
> install`` commands from within the notebook to make sure packages are
> installed before importing them. I've noticed that in newer versions of the
> notebook this doesn't work – the kernel and the shell are not necessarily
> in sync: it seems that pip is by default tied to the python version which
> ran ``jupyter notebook``, rather than the Python version running the kernel.
>
> Is there anything I can do to make pip work in the notebook again? Thanks!
>
>
> a quick way would be the following:
>
> ```
> import sys
> !{sys.executable} -m pip ...
> ```
>
> or make use of some magics:
>
> https://pypi.python.org/pypi/pip_magic   (don’t even need the ! anymore,
> just import it :-)
>
>
> Won't work with conda though, unless you mess with the kernel spec to
> export PATH correctly to be in your envs,
> So that any shelling out use conda executables executables instead of
> systems ones. Kind of a manual “source activate” step.
> I know that some people are working on Conda Kernels Launchers to
> automatize that.
>
> Happy Coding.
>
> --
> M
>
> _______________________________________________
> IPython-dev mailing list
> IPython-dev at scipy.org
> https://mail.scipy.org/mailman/listinfo/ipython-dev
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/ipython-dev/attachments/20151016/cb8daa03/attachment.html>