[IPython-dev] Quick question about extensions

Fernando Perez fperez.net@gmail....
Sat Jul 7 16:29:16 CDT 2012

On Sat, Jul 7, 2012 at 1:57 PM, Carl Smith <carl.input@gmail.com> wrote:
> Sorry. I figured it out now.

For those who might be curious, the answer is that each of the R,
Cython and octave extensions aren't on by default, so you must first
do %load_ext <extension name> before using it.  We don't want IPython
start to be unnecessarily slow, so these things get loaded only when
the user requests them (esp. given that they need to import somewhat
unusual packages, and some even have to start subprocesses like R and



More information about the IPython-dev mailing list