Howdy,
a simple
plot(rand(100))
savefig('foo.eps')
is giving me the traceback below. Is it something I'm doing wrong on my side?
Running on linux, ubuntu 10.10, python2.6.
Thanks for any tips...
f
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/home/fperez/research/dif-tx/src/python/<ipython-input-2-3f85c055f45e>
in <module>()
----> 1 savefig('foo.eps')
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/pyplot.pyc
in savefig(*args, **kwargs)
426 def savefig(*args, **kwargs):
427 fig = gcf()
--> 428 return fig.savefig(*args, **kwargs)
429
430 @docstring.copy_dedent(Figure.ginput)
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/figure.pyc
in savefig(self, *args, **kwargs)
1160 kwargs.setdefault('edgecolor',
rcParams['savefig.edgecolor'])
1161
-> 1162 self.canvas.print_figure(*args, **kwargs)
1163
1164 if transparent:
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backends/backend_qt4agg.pyc
in print_figure(self, *args, **kwargs)
151
152 def print_figure(self, *args, **kwargs):
--> 153 FigureCanvasAgg.print_figure(self, *args, **kwargs)
154 self.draw()
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backend_bases.pyc
in print_figure(self, filename, dpi, facecolor, edgecolor,
orientation, format, **kwargs)
1977 orientation=orientation,
1978 bbox_inches_restore=_bbox_inches_restore,
-> 1979 **kwargs)
1980 finally:
1981 if bbox_inches and restore_bbox:
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backend_bases.pyc
in print_eps(self, *args, **kwargs)
1744 from backends.backend_ps import FigureCanvasPS # lazy import
1745 ps = self.switch_backends(FigureCanvasPS)
-> 1746 return ps.print_eps(*args, **kwargs)
1747
1748 def print_pdf(self, *args, **kwargs):
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backends/backend_ps.pyc
in print_eps(self, outfile, *args, **kwargs)
933
934 def print_eps(self, outfile, *args, **kwargs):
--> 935 return self._print_ps(outfile, 'eps', *args, **kwargs)
936
937
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backends/backend_ps.pyc
in _print_ps(self, outfile, format, *args, **kwargs)
966 self._print_figure(outfile, format, imagedpi,
facecolor, edgecolor,
967 orientation, isLandscape, papertype,
--> 968 **kwargs)
969
970 def _print_figure(self, outfile, format, dpi=72,
facecolor='w', edgecolor='w',
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backends/backend_ps.pyc
in _print_figure(self, outfile, format, dpi, facecolor, edgecolor,
orientation, isLandscape, papertype, **kwargs)
1059 bbox_inches_restore=_bbox_inches_restore)
1060
-> 1061 self.figure.draw(renderer)
1062
1063 if dryrun: # return immediately if dryrun (tightbbox=True)
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
53 def draw_wrapper(artist, renderer, *args, **kwargs):
54 before(artist, renderer)
---> 55 draw(artist, renderer, *args, **kwargs)
56 after(artist, renderer)
57
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/figure.pyc
in draw(self, renderer)
872 dsu.sort(key=itemgetter(0))
873 for zorder, func, args in dsu:
--> 874 func(*args)
875
876 renderer.close_group('figure')
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
53 def draw_wrapper(artist, renderer, *args, **kwargs):
54 before(artist, renderer)
---> 55 draw(artist, renderer, *args, **kwargs)
56 after(artist, renderer)
57
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/axes.pyc
in draw(self, renderer, inframe)
1981
1982 for zorder, a in dsu:
-> 1983 a.draw(renderer)
1984
1985 renderer.close_group('axes')
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
53 def draw_wrapper(artist, renderer, *args, **kwargs):
54 before(artist, renderer)
---> 55 draw(artist, renderer, *args, **kwargs)
56 after(artist, renderer)
57
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/axis.pyc
in draw(self, renderer, *args, **kwargs)
1035
1036 ticks_to_draw = self._update_ticks(renderer)
-> 1037 ticklabelBoxes, ticklabelBoxes2 =
self._get_tick_bboxes(ticks_to_draw, renderer)
1038
1039 for tick in ticks_to_draw:
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/axis.pyc
in _get_tick_bboxes(self, ticks, renderer)
986 for tick in ticks:
987 if tick.label1On and tick.label1.get_visible():
--> 988 extent = tick.label1.get_window_extent(renderer)
989 ticklabelBoxes.append(extent)
990 if tick.label2On and tick.label2.get_visible():
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/text.pyc
in get_window_extent(self, renderer, dpi)
745 raise RuntimeError('Cannot get window extent w/o renderer')
746
--> 747 bbox, info = self._get_layout(self._renderer)
748 x, y = self.get_position()
749 x, y = self.get_transform().transform_point((x, y))
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/text.pyc
in _get_layout(self, renderer)
298 tmp, lp_h, lp_bl = get_text_width_height_descent('lp',
299
self._fontproperties,
--> 300 ismath=False)
301 offsety = lp_h * self._linespacing
302
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backends/backend_ps.pyc
in get_text_width_height_descent(self, s, prop, ismath)
338 if rcParams['ps.useafm']:
339 if ismath: s = s[1:-1]
--> 340 font = self._get_font_afm(prop)
341 l,b,w,h,d = font.get_str_bbox_and_descent(s)
342
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/backends/backend_ps.pyc
in _get_font_afm(self, prop)
366 font = self.afmfontd.get(key)
367 if font is None:
--> 368 fname = findfont(prop, fontext='afm',
directory=self._afm_font_dir)
369 if fname is None:
370 fname = findfont(
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/font_manager.pyc
in findfont(prop, **kw)
1319 def findfont(prop, **kw):
1320 global fontManager
-> 1321 font = fontManager.findfont(prop, **kw)
1322 return font
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/font_manager.pyc
in findfont(self, prop, fontext, directory, fallback_to_default,
rebuild_if_missing)
1211 default_prop = prop.copy()
1212 default_prop.set_family(self.defaultFamily[fontext])
-> 1213 return self.findfont(default_prop, fontext,
directory, False)
1214 else:
1215 # This is a hard fail -- we can't find
anything reasonable,
/home/fperez/usr/opt/lib/python2.6/site-packages/matplotlib/font_manager.pyc
in findfont(self, prop, fontext, directory, fallback_to_default,
rebuild_if_missing)
1226 result = best_font.fname
1227
-> 1228 if not os.path.isfile(result):
1229 if rebuild_if_missing:
1230 verbose.report(
/usr/lib/python2.6/genericpath.pyc in isfile(path)
27 """Test whether a path is a regular file"""
28 try:
---> 29 st = os.stat(path)
30 except os.error:
31 return False
TypeError: coercing to Unicode: need string or buffer, NoneType found
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