On 08/30/2011 12:14 PM, Craig Finch wrote: > I successfully built Python 2.7.2, NumPy 1.61, and Scipy 0.9.0 in my > home directory on a Centos5 system. I am trying to build matplotlib > 1.0.1 in my home directory, but I am having a problem with the GTK > backends. I also built pycairo 1.2.2, pygobject 2.14.2, and pygtk 2.10.6 > in my home directory (using the libraries and headers installed in the > default system locations). I downloaded a few pygtk examples from the > tutorial section of their web site and ran them to verify that pygtk > works correctly. > > Here is the error I get when I run a script that contains only the line > "import matplotlib.pyplot": > > python2.7 test.py --verbose-helpful > $HOME=/home/cfinch > CONFIGDIR=/home/cfinch/.matplotlib > matplotlib data path > /home/cfinch/.local/lib/python2.7/site-packages/matplotlib/mpl-data > loaded rc file > /home/cfinch/.local/lib/python2.7/site-packages/matplotlib/mpl-data/matplotlibrc > matplotlib version 1.0.1 > verbose.level helpful > interactive is False > units is False > platform is linux2 > Using fontManager instance from /home/cfinch/.matplotlib/fontList.cache > Traceback (most recent call last): > File "test.py", line 1, in <module> > import matplotlib.pyplot > File > "/home/cfinch/.local/lib/python2.7/site-packages/matplotlib/pyplot.py", > line 95, in <module> > new_figure_manager, draw_if_interactive, show = pylab_setup() > File > "/home/cfinch/.local/lib/python2.7/site-packages/matplotlib/backends/__init__.py", > line 25, in pylab_setup > globals(),locals(),[backend_name]) > File > "/home/cfinch/.local/lib/python2.7/site-packages/matplotlib/backends/backend_gtkagg.py", > line 10, in <module> > from matplotlib.backends.backend_gtk import gtk, FigureManagerGTK, > FigureCanvasGTK,\ > File > "/home/cfinch/.local/lib/python2.7/site-packages/matplotlib/backends/backend_gtk.py", > line 28, in <module> > from matplotlib.backends.backend_gdk import RendererGDK, FigureCanvasGDK > File > "/home/cfinch/.local/lib/python2.7/site-packages/matplotlib/backends/backend_gdk.py", > line 29, in <module> > from matplotlib.backends._backend_gdk import pixbuf_get_pixels_array > ImportError: No module named _backend_gdk > > Here is the beginning of my matplotlib build log, which shows that the > build process is actually finding the GTK libraries: > > basedirlist is: ['/home/cfinch'] > ============================================================================ > BUILDING MATPLOTLIB > matplotlib: 1.0.1 > python: 2.7.2 (default, Aug 30 2011, 12:57:00) [GCC 4.1.2 > 20080704 (Red Hat 4.1.2-50)] > platform: linux2 > > REQUIRED DEPENDENCIES > numpy: 1.6.1 > freetype2: 9.10.3 > * WARNING: Could not find 'freetype2' headers in any > * of '/home/cfinch/include', '.', > * '/usr/include/freetype2'.
Freetype is a requirement, so my guess is that this is the origin of the problem, even though it is is showing up as a puzzling import error for _backend_gdk. Eric > > OPTIONAL BACKEND DEPENDENCIES > libpng: 1.2.10 > Tkinter: no > * TKAgg requires Tkinter > wxPython: no > * wxPython not found > Gtk+: gtk+: 2.10.4, glib: 2.12.3, pygtk: 2.10.6, > pygobject: 2.14.2 > Mac OS X native: no > Qt: no > Qt4: no > Cairo: 1.2.2 > > OPTIONAL DATE/TIMEZONE DEPENDENCIES > datetime: present, version unknown > dateutil: 1.5 > pytz: 2010o > > OPTIONAL USETEX DEPENDENCIES > dvipng: 1.5 > ghostscript: 8.70 > latex: 3.141592 > pdftops: 3.00 > ------------ SNIP ----------- > > There are no errors in the build or install logs, but I can post the > rest of it if necessary. Also, the library _backend_gdk.so is present in > ~/lib/python2.7/site-packages/matplotlib/backends/. > > Any suggestions would be appreciated! > ------------------------------------------------------------------------------ Special Offer -- Download ArcSight Logger for FREE! Finally, a world-class log management solution at an even better price-free! And you'll get a free "Love Thy Logs" t-shirt when you download Logger. Secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsisghtdev2dev _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
