Re: [Matplotlib-users] Matplotlib on OS X 10.4 (was: can't import pylab)

[John S. <pra...@ho...>]

I've been using python 2.6 for several months. I can't remember how I installed it. 
Matplotlib is from sourceforge. Filename: matplotlib-0.98.5.2-py2.5-mpkg.zip.



> To: mat...@li...
> From: jk...@ik...
> Date: Tue, 21 Apr 2009 10:10:10 +0300
> Subject: [Matplotlib-users] Matplotlib on OS X 10.4 (was: can't import pylab)
> 
> John Seales <pra...@ho...> writes:
> 
> > I'm using Mac os 10.4.11. Python is included in mac os. 
> 
> The error messages refer to Python 2.6:
> 
> >> > ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/matplotlib/ft2font.so, 2): Library not loaded: /usr/X11R6/lib/libfreetype.6.dylib
> >> >   Referenced from: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/matplotlib/ft2font.so
> 
> If you are somehow using this with the system Python, it's no wonder
> that you are having problems. I think OS X 10.4 includes Python 2.3 or
> at most 2.4 - version 10.5 has Python 2.5. But perhaps you have
> installed some other version of Python - one way to test what you are
> using is to look at where Python gets its modules:
> 
> ~% python
> Python 2.5.2 (r252:60911, Feb 22 2008, 07:57:53) 
> [GCC 4.0.1 (Apple Computer, Inc. build 5363)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import os
> >>> os
> <module 'os' from '/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/os.pyc'>
> 
> (So I am using something else than the system-supplied Python, whose
> os.pyc file is under /System/Library.)
> 
> Some distributions of Python for OS X are mentioned here:
> http://matplotlib.sourceforge.net/faq/installing_faq.html#which-python-for-osx
> 
> > Matplotlib I installed from a precompiled version.
> 
> Is this the version from Sourceforge, or somewhere else?
> 
> Anyway, the library linking problems sound a lot like you are using
> software that was not compiled for your version of OS X - I guess most
> developers have upgraded to Leopard quite some time ago, so they would
> not notice if something breaks on older releases.
> 
> The larger question is, which versions of OS X should be supported by
> the binary packages? The ReadMe.txt bundled with the MacPython 2.6.2
> installer says:
> 
>     This package will install MacPython 2.6.2 for Mac OS X
>     10.3 or later for the following 
>     architecture(s): i386, ppc.
> 
> So Python itself supports Panther and newer, and I think the compiler
> flags used by Python are inherited by extensions - but if there is
> something other than just compiler flags to worry about, someone would
> have to have an installation of the target version of OS X to test on. 
> 
> -- 
> Jouni K. Seppänen
> http://www.iki.fi/jks
> 
> 
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