Scipy/Pylab 错误..预期在：动态查找？
在 OS X 上的 python 2.7 上使用新版本的 Scipy/numpy/matplotlib。我正在尝试导入 pylab，但它似乎不起作用。这是为什么呢？
我收到的错误是：
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pylab.py",
> line 1, in <module>
> from matplotlib.pylab import * File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/pylab.py",
> line 216, in <module>
> from matplotlib import mpl # pulls in most modules File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/mpl.py",
> line 2, in <module>
> from matplotlib import axis File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/axis.py", line 10, in <module>
> import matplotlib.font_manager as font_manager File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/font_manager.py", line 52, in <module>
> from matplotlib import ft2font ImportError:
> dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/ft2font.so,
> 2): Symbol not found: _FT_Attach_File
> Referenced from:
> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/ft2font.so
> Expected in: dynamic lookup
With a fresh build of Scipy/numpy/matplotlib on python 2.7 on OS X. I am trying to import pylab but it doesn't seem to be working. Why is this?
The error I'm getting is:
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pylab.py",
> line 1, in <module>
> from matplotlib.pylab import * File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/pylab.py",
> line 216, in <module>
> from matplotlib import mpl # pulls in most modules File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/mpl.py",
> line 2, in <module>
> from matplotlib import axis File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/axis.py", line 10, in <module>
> import matplotlib.font_manager as font_manager File
> "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/font_manager.py", line 52, in <module>
> from matplotlib import ft2font ImportError:
> dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/ft2font.so,
> 2): Symbol not found: _FT_Attach_File
> Referenced from:
> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/ft2font.so
> Expected in: dynamic lookup
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支持这些包的最新 Python 版本是 2.6.x。我在 2.6.6 上运行它们。您需要在计算机上另外安装 Python 2.6.x 才能使用这些包。您仍然可以保留 Python 2.7 和相关程序并运行其中一个。
The latest version of Python that supports those packages is 2.6.x. I am running them on 2.6.6. You will need to additionally install Python 2.6.x on your machine to use these packages. You can still keep your Python 2.7 and associated programs and run either.
我也有同样的问题。清除我的 DYLD_LIBRARY_PATH 变量解决了这个问题。执行：
该变量控制动态链接器搜索哪些目录来查找给定的库。默认情况下它是空的，所以清除它应该没有什么坏处，除非你有一些特殊的设置。检查
man dyld以供参考。I had the same problem. Clearing my DYLD_LIBRARY_PATH variable solved the issue. Do:
The variable controls which directories the dynamic linker searches to find a given library. By default it is empty so there should be no harm in clearing it, unless you have some special setup. Check
man dyldfor reference.