Andrew Jaffe wrote:
> Hi-
>
> I've got two Intel OSX machines running matplotlib.
>
> I recently upgraded one of them to the latest MPL svn. On one machine,
> I had some pytz-related problems which I resolved, and I was able to use
> it more or less fine. However, when the very first time I started it,
> there was a huge pause which I eventually realized had something to do
> with the font cache, but it seems OK since then (but perhaps there
> should be a warning message when the cache is being built?)
>
> On the other machine, however, I got the traceback below, which I
> eventually traced to the call OSXInstalledFonts() in findSystemFonts().
> Unfortunately, OSXInstalledFonts() is really
> OSXInstalledFonts(directory=None, fontext=None)
> which then calls
> fontext = get_fontext_synonyms(fontext)
> which fails with fontext=None.
>
> I was actually able to fix this by copying the .matplottlib directory
> from the working machine, but it's still clearly a bug!
Actually, sorry, this *doesn't* fix the problem on machine number 2 (it
just lets ipython -pylab start without crashing, but actually calling,
e.g., plot(x,y) still fails for the same reason).
>
> Yours,
>
> Andrew
>
>
>
> Traceback (most recent call last):
> File "/Users/jaffe/home/local/bin/ipython", line 8, in <module>
> load_entry_point('ipython==0.8.1', 'console_scripts', 'ipython')()
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/ipapi.py",
>
> line 356, in launch_new_instance
> ses = make_session(user_ns)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/ipapi.py",
>
> line 405, in make_session
> return IPython.Shell.start(user_ns)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/Shell.py",
>
> line 1111, in start
> return shell(user_ns = user_ns)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/Shell.py",
>
> line 1008, in __init__
> shell_class=MatplotlibShell)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/Shell.py",
>
> line 74, in __init__
> debug=debug,shell_class=shell_class)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/ipmaker.py",
>
> line 95, in make_IPython
> embedded=embedded,**kw)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/Shell.py",
>
> line 562, in __init__
> user_ns,b2 = self._matplotlib_config(name,user_ns)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/ipython-0.8.1-py2.5.egg/IPython/Shell.py",
>
> line 503, in _matplotlib_config
> import matplotlib.pylab as pylab
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/pylab.py",
>
> line 208, in <module>
> from matplotlib import mpl # pulls in most modules
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/mpl.py",
>
> line 3, in <module>
> from matplotlib import axis
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/axis.py",
>
> line 20, in <module>
> from font_manager import FontProperties
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/font_manager.py",
>
> line 1129, in <module>
> _rebuild()
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/font_manager.py",
>
> line 1120, in _rebuild
> fontManager = FontManager()
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/font_manager.py",
>
> line 884, in __init__
> self.ttffiles = findSystemFonts(paths) + findSystemFonts()
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/font_manager.py",
>
> line 254, in findSystemFonts
> for f in OSXInstalledFonts():
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/font_manager.py",
>
> line 180, in OSXInstalledFonts
> fontext = get_fontext_synonyms(fontext)
> File
> "/Users/jaffe/Library/Python/2.5/site-packages/matplotlib-0.90.1_r4176-py2.5-macosx-10.3-fat.egg/matplotlib/font_manager.py",
>
> line 100, in get_fontext_synonyms
> 'afm': ('afm',)}[fontext]
> KeyError: None
> gog:~% mv .matplotlib tmp.matplotlib; scp
>
>
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