Matplotlib not working after successful installati

问题:

I installed all the dependencies listed on the matplotlib website. However, it still doesn't work. I listed the python stack trace and installed python packages below. So, how can I solve this problem?

Python stack trace:

>>> import pylab
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Library/Python/2.7/site-packages/pylab.py", line 1, in <module>
    from matplotlib.pylab import *
  File "/Library/Python/2.7/site-packages/matplotlib/pylab.py", line 229, in <module>
    import matplotlib.finance
  File "/Library/Python/2.7/site-packages/matplotlib/finance.py", line 37, in <module>
    from matplotlib.collections import LineCollection, PolyCollection
  File "/Library/Python/2.7/site-packages/matplotlib/collections.py", line 26, in <module>
    import matplotlib.backend_bases as backend_bases
  File "/Library/Python/2.7/site-packages/matplotlib/backend_bases.py", line 54, in <module>
    import matplotlib.textpath as textpath
  File "/Library/Python/2.7/site-packages/matplotlib/textpath.py", line 18, in <module>
    import matplotlib.font_manager as font_manager
  File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 1354, in <module>
    _rebuild()
  File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 1339, in _rebuild
    fontManager = FontManager()
  File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 987, in __init__
    self.ttffiles = findSystemFonts(paths) + findSystemFonts()
  File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 316, in findSystemFonts
    for f in get_fontconfig_fonts(fontext):
  File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 280, in get_fontconfig_fonts
    for line in output.split('\n'):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe5 in position 16560: ordinal not in range(128)

Installed python packages:

>$ pip freeze
PyRSS2Gen==1.0.0
Twisted==12.0.0
altgraph==0.9
bdist-mpkg==0.4.4
bonjour-py==0.3
macholib==1.4.2
matplotlib==1.4.x
modulegraph==0.9.1
nose==1.3.0
numpy==1.7.1
py2app==0.6.3
pyOpenSSL==0.13
pyobjc-core==2.3.2a0
pyobjc-framework-AddressBook==2.3.2a0
pyobjc-framework-AppleScriptKit==2.3.2a0
pyobjc-framework-AppleScriptObjC==2.3.2a0
pyobjc-framework-Automator==2.3.2a0
pyobjc-framework-CFNetwork==2.3.2a0
pyobjc-framework-CalendarStore==2.3.2a0
pyobjc-framework-Cocoa==2.3.2a0
pyobjc-framework-Collaboration==2.3.2a0
pyobjc-framework-CoreData==2.3.2a0
pyobjc-framework-CoreLocation==2.3.2a0
pyobjc-framework-CoreText==2.3.2a0
pyobjc-framework-DictionaryServices==2.3.2a0
pyobjc-framework-ExceptionHandling==2.3.2a0
pyobjc-framework-FSEvents==2.3.2a0
pyobjc-framework-InputMethodKit==2.3.2a0
pyobjc-framework-InstallerPlugins==2.3.2a0
pyobjc-framework-InstantMessage==2.3.2a0
pyobjc-framework-InterfaceBuilderKit==2.3.2a0
pyobjc-framework-LatentSemanticMapping==2.3.2a0
pyobjc-framework-LaunchServices==2.3.2a0
pyobjc-framework-Message==2.3.2a0
pyobjc-framework-OpenDirectory==2.3.2a0
pyobjc-framework-PreferencePanes==2.3.2a0
pyobjc-framework-PubSub==2.3.2a0
pyobjc-framework-QTKit==2.3.2a0
pyobjc-framework-Quartz==2.3.2a0
pyobjc-framework-ScreenSaver==2.3.2a0
pyobjc-framework-ScriptingBridge==2.3.2a0
pyobjc-framework-SearchKit==2.3.2a0
pyobjc-framework-ServerNotification==2.3.2a0
pyobjc-framework-ServiceManagement==2.3.2a0
pyobjc-framework-SyncServices==2.3.2a0
pyobjc-framework-SystemConfiguration==2.3.2a0
pyobjc-framework-WebKit==2.3.2a0
pyobjc-framework-XgridFoundation==2.3.2a0
pyparsing==2.0.1
python-dateutil==2.1
scipy==0.12.0
six==1.4.1
stevedore==0.11
tornado==3.1.1
virtualenv==1.10.1
virtualenv-clone==0.2.4
virtualenvwrapper==4.1.1
wsgiref==0.1.2
xattr==0.6.2
zope.interface==3.5.1

回答1:

This is a bug in matplotlib 1.4.x where fontmanager.py is trying to import a font whose name contains a non-ascii character.

Your question is similar to this one but the patch given won't help you because you have matplotlib 1.4.x installed and not 1.3.0.

As suggested in the question above, you can take a look at your font list and try removing fonts with non ascii characters. Look especially for Æ.

Or, you can try upgrading to the development version of matplotlib where it seems to be fixed:

pip install git+https://github.com/matplotlib/matplotlib.git#egg=matplotlib-dev