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.
Mike
David Trethewey wrote:
> Michael Droettboom wrote:
>
>> What does
>>
>> python -c "import gtk"
>>
>> say?
>>
> python2.6 -c "import gtk"
> Traceback (most recent call last):
> File "<string>", 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
> File "/usr/lib64/python2.6/site-packages/cairo/__init__.py", line 1,
> in <module>
> from _cairo import *
> ImportError: /usr/lib64/python2.6/site-packages/cairo/_cairo.so:
> undefined symbol: cairo_ps_surface_set_eps
>
>
>> Mike
>>
>> David Trethewey wrote:
>>
>>> Although I have python-gtk installed I still get this error message when
>>> importing pylab. I'm not sure why. Can anyone enlighten me?
>>>
>>>
>>>
>>>>>> from pylab import *
>>>>>>
>>>>>>
>>> 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_gtkagg.py",
>>>
>>> line 10, in <module>
>>> from matplotlib.backends.backend_gtk import gtk, FigureManagerGTK,
>>> FigureCanvasGTK,\
>>> File
>>> "/usr/lib64/python2.6/site-packages/matplotlib/backends/backend_gtk.py",
>>> line 11, in <module>
>>> raise ImportError("Gtk* backend requires pygtk to be installed.")
>>> ImportError: Gtk* backend requires pygtk to be installed.
>>>
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>
>
--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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