导入matplotlib.pyplot挂起
[英]import matplotlib.pyplot hangs
问题描述
我正在尝试在OS X 10.8.4上运行matplotlib并运行。 我已经安装了matplotlib和依赖项（libping，freetype，numpy，scipy）。 我能够很好地导入matplotlib。 但是，如果我尝试导入matplotlib.pyplot，它就会挂起。 没有错误，只是没有任何反应。
>>> import matplotlib.pyplot
......我已经等了20分钟，没有任何反应。 我正在使用1.2.1版本，但即使卸载并尝试了1.2.0版本，但无济于事。 我已经在matplotlib.pyplot上看到了关于导入错误的一些问题，但没有任何关于它的问题。 然后，我尝试使用Enthought / Canopy python发行版使其工作，但同样，同样悬而未决的问题。 如果我杀了导入，这就是我看到的：
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/pyplot.py", line 26, in <module>
from matplotlib.figure import Figure, figaspect
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/figure.py", line 34, in <module>
import matplotlib.colorbar as cbar
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/colorbar.py", line 29, in <module>
import matplotlib.collections as collections
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/collections.py", line 23, in <module>
import matplotlib.backend_bases as backend_bases
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/backend_bases.py", line 37, in <module>
import matplotlib.widgets as widgets
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/widgets.py", line 17, in <module>
from lines import Line2D
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/lines.py", line 25, in <module>
from matplotlib.font_manager import FontProperties
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/font_manager.py", line 1335, in <module>
_rebuild()
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/font_manager.py", line 1322, in _rebuild
fontManager = FontManager()
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/font_manager.py", line 980, in __init__
self.ttffiles = findSystemFonts(paths) + findSystemFonts()
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/font_manager.py", line 317, in findSystemFonts
for f in get_fontconfig_fonts(fontext):
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/matplotlib/font_manager.py", line 274, in get_fontconfig_fonts
output = pipe.communicate()[0]
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/subprocess.py", line 746, in communicate
stdout = _eintr_retry_call(self.stdout.read)
File "/Applications/Canopy.app/appdata/canopy-1.0.3.1262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/subprocess.py", line 478, in _eintr_retry_call
return func(*args)
KeyboardInterrupt
当我使用OS X附带的默认python 2.7时，输出相同。
UPDATE
允许import matplotlib.pyplot运行几个小时，然后中断导入现在给我这个输出：
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Library/Python/2.7/site-packages/matplotlib/pyplot.py", line 26, in <module>
from matplotlib.figure import Figure, figaspect
File "/Library/Python/2.7/site-packages/matplotlib/figure.py", line 34, in <module>
import matplotlib.colorbar as cbar
File "/Library/Python/2.7/site-packages/matplotlib/colorbar.py", line 29, in <module>
import matplotlib.collections as collections
File "/Library/Python/2.7/site-packages/matplotlib/collections.py", line 23, in <module>
import matplotlib.backend_bases as backend_bases
File "/Library/Python/2.7/site-packages/matplotlib/backend_bases.py", line 37, in <module>
import matplotlib.widgets as widgets
File "/Library/Python/2.7/site-packages/matplotlib/widgets.py", line 17, in <module>
from lines import Line2D
File "/Library/Python/2.7/site-packages/matplotlib/lines.py", line 25, in <module>
from matplotlib.font_manager import FontProperties
File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 1335, in <module>
_rebuild()
File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 1322, in _rebuild
fontManager = FontManager()
File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 980, in __init__
self.ttffiles = findSystemFonts(paths) + findSystemFonts()
File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 324, in findSystemFonts
files = list_fonts(path, fontexts)
File "/Library/Python/2.7/site-packages/matplotlib/font_manager.py", line 171, in list_fonts
return cbook.listFiles(directory, pattern)
File "/Library/Python/2.7/site-packages/matplotlib/cbook.py", line 944, in listFiles
for dirname, dirs, files in os.walk(root):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 294, in walk
for x in walk(new_path, topdown, onerror, followlinks):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 284, in walk
if isdir(join(top, name)):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/genericpath.py", line 41, in isdir
st = os.stat(s)
KeyboardInterrupt
有没有人知道for x in walk(new_path, topdown, onerror, followlinks):的递归for x in walk(new_path, topdown, onerror, followlinks):可能表示？
3 个解决方案
解决方案1
92 2014-07-27 14:48:23
您可以通过执行以下操作解决Mac OS X Mavericks和Yosemite上的问题：
cd ~/.matplotlib/
fc-list # Should take a couple minutes.
在fc-list完成运行后，您将能够使用import matplotlib.pyplot as plt导入包。 这是解决方案的github问题 。 似乎这个bug与字体缓存有关。
解决方案2
3 2013-07-05 21:51:51
我弄清楚发生了什么。 希望解决方案对其他人有用。 在/usr/X11/lib文件夹中，有一个指向自身的目录的符号链接。 这似乎创造了一个无限循环。 当我删除链接时，导入工作。
解决方案3
0 2017-12-28 20:22:00
我在Linux上遇到了同样的问题。
原来matplotlib有一些问题要弄清楚要使用的GUI后端。
明确地说它使用Tkinter背景 - 默认情况下它使用以下命令解决了问题：
%matplotlib tk
然后导入
import matplotlib.pyplot as plt
按预期工作。
是“从 matplotlib 将 pyplot 导入为 plt”==“将 matplotlib.pyplot 导入为 plt”？
[英]Is "from matplotlib import pyplot as plt" == "import matplotlib.pyplot as plt"?
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