[Tutor] ipython, PYTHONPATH, on a MAC

Kent Johnson kent37 at tds.net
Tue Feb 16 19:42:17 CET 2010

On Tue, Feb 16, 2010 at 10:46 AM, John [H2O] <washakie at gmail.com> wrote:
> Hello,
> I'm not a Mac user, but I'm a promoter of Python! I have a good friend using
> a Mac who's becoming sceptical of python due to frustrations with the
> PYTHONPATH. I'm trying to help...
> Everything is fine running vanilla python. Importing modules works fine. But
> in ipython, the module paths need to be appended individually. I can't even
> set a module directory into which ipython will look recursively for modules.

Python never searches recursively for modules, a module or package
must me in a directory which is in sys.path.

> There is nothing custom set in .ipython/ipythonrc or ipy_user_conf.py
> The PYTHONPATH variable doesn't need to be set using vanilla python. The
> path settings are set somehow, however (I can see this from import sys;
> sys.path). I'm not sure where this is all happening.

So sys.path is different when running ipython? This is all very
strange. I use Python on Mac OS X with ipython and I don't set

How do you start ipython?


> Any ideas on the best way to set the PYTHONPATH for a mac?
> Thanks!
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