If you use the MacOSX backend, you won't need pygtk, pycairo, pyqt, pygobject,
wx, tcl/tk, or anything they depend on, which was my main motivation for
writing this backend. Other than the fact that the MacOSX backend currently
does not support the non-interactive mode, it should work for you, doesn't it?
--Michiel.
--- On Thu, 11/18/10, Kynn Jones <kyn...@gmail.com> wrote:
From: Kynn Jones <kyn...@gmail.com>
Subject: Re: [matplotlib-devel] How to decouple non-GUI stuff from the GUI?
To: matplotlib-devel@lists.sourceforge.net
Date: Thursday, November 18, 2010, 5:11 PM
On Wed, Nov 17, 2010 at 6:33 PM, Benjamin Root <ben.r...@ou.edu> wrote:
As an additional note, if you are having difficulty compiling for MacOS X, why
not just ask for help with that?
Just to keep from ranting like a lunatic, basically. The experience was
traumatic enough to shake my faith in Python altogether, and made me miss good
ol' CPAN.
To summarize 2-3 day's worth of frustration:
1.
GTK, GTKAgg:ImportError: Gtk* backend requires pygtk to be installed.
GTKCairo:ImportError: No module named backend_gtkcairo
FltkAgg:ImportError: No module named fltk
QtAgg:ImportError: Qt backend requires pyqt to be installed.
Qt4Agg:ImportError: Warning: formlayout requires PyQt4 >v4.3
WX, WXAgg:ImportError: Matplotlib backend_wx and backend_wxagg require wxPython
>=2.8
2. configuration of pygtk fails:
checking for PYGOBJECT... configure: error: Package requirements (pygobject-2.0
>= 2.21.3) were not met:
No package 'pygobject-2.0' found
3. configuration of pygobject fails:
checking for PYCAIRO... configure: error: Package requirements (pycairo >= 1.0.2
) were not met:
No package 'pycairo' found
4. installation of pycairo fails (after > 6 hours of trying a variety of
approaches); currently, importing cairo produces a fatal error:
% pythonPython 2.6.1 (r261:67515, Feb 11 2010, 00:51:29) [GCC 4.2.1 (Apple Inc.
build 5646)] on darwinType "help", "copyright", "credits" or "license" for more
information.
>>> import cairoFatal Python error: Interpreter not initialized (version
>>> mismatch?)zsh: abort python
By this point, I just gave up on getting any more interactive backends for
matplotlib. (I reiterate that the above is a barebone's summary. There's a
lot that I'm omitting.)
As an aside, I have never in my life seen a worse installation system than
pycairo's. If you have not examined it in detail, please do so before reacting
to my comments. In particular look at the waf file, and the files it invokes.
Also, when you find the latter, do a global search for the number 1337 to get a
whiff pycairo's excremental aroma.
There is no point in choosing Python as one's programming language if this
means that one depends on garbage like pycairo. I think it is unfair to put
unsuspecting users of matplotlib through the ordeal of dealing with pycairo's
installation. (And pygtk's and pygobjects's are not much better.) We can't
force people to write good Python, but at the very least we should not
propagate bad code. Packages like pycairo, pygtk, and pygobjects are
substandard, and they should be ostracized by the rest of the Python community
until they shape up.
Even putting pycairo aside, the Python package installation system is a
disaster. The problems I've summarized on this page are par for the course
with Python packages. Just getting matplotlib to install (even without most
interactive backends) was also a multi-day nightmare...
You see? I'm ranting like a lunatic. Sorry. I'll stop.
~kj
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