I have switched between python2.5 and 2.6, so maybe I've messed up the
installation somehow, and it's not looking for things in the right
directories.
I fiddled around with the versions of cairo and pycairo, and got them to
match but still got errors:
>>> import gtk
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib64/python2.6/site-packages/gtk-2.0/gtk/__init__.py",
line 48, in <module>
from gtk import _gtk
ImportError: /usr/lib64/libcairo.so.2: undefined symbol:
pixman_region32_rectangles
Also using tk doesn't work either:
>>> import pylab
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib64/python2.6/site-packages/pylab.py", line 1, in <module>
from matplotlib.pylab import *
File "/usr/lib64/python2.6/site-packages/matplotlib/pylab.py", line
253, in <module>
from matplotlib.pyplot import *
File "/usr/lib64/python2.6/site-packages/matplotlib/pyplot.py", line
75, in <module>
new_figure_manager, draw_if_interactive, show = pylab_setup()
File
"/usr/lib64/python2.6/site-packages/matplotlib/backends/__init__.py",
line 25, in pylab_setup
globals(),locals(),[backend_name])
File
"/usr/lib64/python2.6/site-packages/matplotlib/backends/backend_tkagg.py",
line 8, in <module>
import tkagg # Paint image to Tk photo blitter extension
File
"/usr/lib64/python2.6/site-packages/matplotlib/backends/tkagg.py", line
1, in <module>
import _tkagg
ImportError: No module named _tkagg
John Hunter wrote:
> On Wed, Jan 21, 2009 at 11:56 AM, Michael Droettboom <md...@stsci.edu> wrote:
>> I haven't seen this before, but it definitely looks like an installation
>> problem with pygtk and/or pycairo, since it fails without matplotlib
>> even entering into it. In particular, it looks like a possible mismatch
>> between the versions of pycairo and cairo. Is everything installed from
>> your distro's packages, or did you build this yourself?
>>
>> Until "import gtk" works, there's little matplotlib can do,
>> unfortunately. You may want to head over to the pygtk list for help if
>> you're still stuck.
>>
>
> Or simply set your backend to tkagg
>
> http://matplotlib.sourceforge.net/users/customizing.html
> http://matplotlib.sourceforge.net/faq/installing_faq.html#id1
>
> JDH
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