[IPython-user] A bag of pythons on OS X leopard; Is a house cleaning in order.
Tue Oct 7 23:45:09 CDT 2008
Hi Gary -
I've had some mixed success with various Pythons on my system (also running
OS X Leopard, 10.5.5). I ended up using the Mac's system Python, for two
1) It comes with the Mac for a reason - the system uses this Python for
various tasks, and getting rid of it can screw things up
2) I don't have a particular need for 2.5 vs. 2.6, as I'm not really a
power-user (I mainly use Python to use iPython with Numpy and Scipy)
I've got a brief writeup on my personal solution here:
Basically, I ended up using a few bits from MacPython to supplement the
system Python (but not to replace it). I then used the SciPy superpack (
http://macinscience.org/?page_id=6), which is a really handy script for
installing iPython with Numpy, Scipy, and Matplotlib.
I don't know what your specific usage of iPython is, but hopefully this info
will help you out. It certainly took me a good chunk of time to get it all
Out of damp and gloomy days, out of solitude, out of loveless words directed
at us, conclusions grow up in us like fungus: one morning they are there, we
know not how, and they gaze upon us, morose and gray. Woe to the thinker who
is not the gardener but only the soil of the plants that grow in him.
- Friedrich Nietzsche
On Tue, Oct 7, 2008 at 8:11 PM, Gary Church <firstname.lastname@example.org>wrote:
> Hello all,
> This is more of a python related question rather than an ipython
> question but I hope you won't chastise me for asking it here :-)
> I'm starting to learn python on my macbook pro running OS X leopard.
> I've been having problems with ipython (see a previous mail) and have
> many pythons running about on my system. In particular:
> 1. Apparently I have python that came packaged along with OS X leopard.
> 2. I've installed some packages using fink that, I believe, also
> installed a python.
> 3. I've installed "sage" (a symbolic math package akin to Mathematica
> or Maple) which, evidently, comes with a python.
> 4. I've installed parts of MacPython 2.5 following instructions at:
> 5. Upon recommendation form a kind list subscriber, I've installed the
> python2.6 package for OS X found at:
> Even though I've installed all these packages, when I start python I
> still get python 2.5 (see below)
> Macintosh-4:~ gary$ python
> Python 2.5.2 (r252:60911, Jun 1 2008, 15:00:48)
> [GCC 4.0.1 (Apple Inc. build 5465)] on darwin
> Type "help", "copyright", "credits" or "license" for more
> >>> import sys
> >>> print sys.path
> ['', '/sw/lib/python25.zip', '/sw/lib/python2.5',
> plat-darwin', '/sw/lib/python2.5/plat-mac',
> plat-mac/lib-scriptpackages', '/sw/lib/python2.5/lib-tk', '/sw/lib/
> '/sw/lib/python2.5/site-packages', '/sw/lib/python2.5/site-packages/
> '/sw/lib/python2.5/site-packages/gtk- 2.0']
> My questions are:
> 1. How do I get python 2.6 to come up when I enter "python" at the
> terminal command line?
> 2. Should I "clean house" of all other pythons on the system and if
> so, how is that done?
> 3. Do these other pythons interfere with each other in some way? Is it
> a problem having all these pythons slithering around on my system?
> Thanks for any help you can offer,
> Gary Church
> IPython-user mailing list
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