[MacPorts] #22742: py26-matplotlib +qt4 runtime error

[MacPorts]

#22742: py26-matplotlib +qt4 runtime error
------------------------------------------+---------------------------------
 Reporter:  macsforever2000@…             |       Owner:  ram@…           
     Type:  defect                        |      Status:  new             
 Priority:  Normal                        |   Milestone:                  
Component:  ports                         |     Version:  1.8.1           
 Keywords:                                |        Port:  py26-matplotlib 
------------------------------------------+---------------------------------
 I see the following error when i try to use the qt4agg backend in
 py26-matplotlib.

 {{{
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/backends/backend_qt4agg.py", line 130, in draw
     FigureCanvasAgg.draw(self)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/backends/backend_agg.py", line 314, in draw
     self.figure.draw(self.renderer)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/artist.py", line 46, in draw_wrapper
     draw(artist, renderer, *kl)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/figure.py", line 773, in draw
     for a in self.axes: a.draw(renderer)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/artist.py", line 46, in draw_wrapper
     draw(artist, renderer, *kl)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/axes.py", line 1735, in draw
     a.draw(renderer)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/artist.py", line 46, in draw_wrapper
     draw(artist, renderer, *kl)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/axis.py", line 742, in draw
     tick.draw(renderer)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/artist.py", line 46, in draw_wrapper
     draw(artist, renderer, *kl)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/axis.py", line 196, in draw
     self.label1.draw(renderer)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/text.py", line 515, in draw
     bbox, info = self._get_layout(renderer)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/text.py", line 272, in _get_layout
     'lp', self._fontproperties, ismath=False)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/backends/backend_agg.py", line 158, in
 get_text_width_height_descent
     font = self._get_agg_font(prop)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/backends/backend_agg.py", line 195, in
 _get_agg_font
     fname = findfont(prop)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/font_manager.py", line 1304, in findfont
     _rebuild()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/font_manager.py", line 1288, in _rebuild
     fontManager = FontManager()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/font_manager.py", line 980, in __init__
     self.ttffiles = findSystemFonts(paths) + findSystemFonts()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/font_manager.py", line 337, in findSystemFonts
     for f in get_fontconfig_fonts(fontext):
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6
 /site-packages/matplotlib/font_manager.py", line 299, in
 get_fontconfig_fonts
     output = pipe.communicate()[0]
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py",
 line 686, in communicate
     self.wait()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/subprocess.py",
 line 1157, in wait
     pid, sts = os.waitpid(self.pid, 0)
 OSError: [Errno 4] Interrupted system call
 }}}

 {{{
 $ port installed py26-matplotlib
 The following ports are currently installed:
   py26-matplotlib @0.99.1.1_1+cairo+ghostscript+gtk2+latex+qt4+tkinter
 (active)
 }}}

 Any ideas?

-- 
Ticket URL: <http://trac.macports.org/ticket/22742>
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