[matplotlib-devel] Re: Error with Matplotlib

On Mon, 2005-04-18 at 20:28 -0700, matplotlib-devel-
re...@li... wrote:
> > Hi All,
> > I installed Matplotlib-0.80 on my linux machine with Freetype 2.1.7.I
> > didn't get any error in installation.
> > Now I am trying run some examples from Matplotlib and getting following
> > error
> > 
> > 
> > 
> > [ajve@cava matplotlib-0.80]$ python examples/logo.py
> > Traceback (most recent call last):
> >   File "examples/logo.py", line 3, in ?
> >     from pylab import *
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/pylab.py", line 1, in ?
> >     from matplotlib.pylab import *
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/matplotlib/pylab.py", line 196, in ?
> >     import backends
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/matplotlib/backends/__init__.py", line 19, in ?
> >     globals(),locals(),[backend_name])
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/matplotlib/backends/backend_gtkagg.py", line 10, in ?
> >     from backend_gtk import gtk, FigureManagerGTK, FigureCanvasGTK,\
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/matplotlib/backends/backend_gtk.py", line 20, in ?
> >     from backend_gdk import RendererGDK
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/matplotlib/backends/backend_gdk.py", line 31, in ?
> >     import gtk, pango
> >   File
> > "/data/zion/intersect/local_linux/Python-2.3.4/lib/python2.3/site-packag
> > es/gtk-2.0/gtk/__init__.py", line 43, in ?
> >     from _gtk import *
> > ImportError: /usr/lib/libpangoxft-1.0.so.0: undefined symbol:
> > FT_Seek_Stream
> > 
> > 
> > 
> > When I tried to see if thiss symbol is defined in Freetype 2.1.7 libs,I
> > found its not.But this symbol is defined in the previous version of
> > Freetype.But when I am trying to use old version of Freetyope,I get
> > "FT_CURVE_TAG_CUBIC" error while building Matplotlib which is not
> > defined in old version of Freetype.
> > 
> > Any help would be highly appreciated.
> > 
My guess is that you do not have a working pygtk installation. Try

$ python
>>> import pygtk
>>> pygtk.require('2.0')
>>> import gtk, pango

Does it produce the same error?

Steve