macOSX中使用python matplotlib模块的问题解决

最新推荐文章于 2021-03-27 22:59:47 发布

whereismatrix

最新推荐文章于 2021-03-27 22:59:47 发布

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分类专栏： python 文章标签： python matplotlib

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本文介绍在macOSX环境中使用matplotlib时遇到的问题及两种解决方案。问题表现为运行时出现RuntimeError错误，提示Python未作为框架安装。解决方法一是通过代码设置matplotlib使用'TkAgg'后端；方法二是修改配置文件~/.matplotlib/matplotlibrc，添加一行backend设置。

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在mac OSX 上，使用python matplotlib库时，出现问题：

>>> import numpy as np
>>> import matplotlib.pyplot as plt
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/david/anaconda2/envs/tensorflow/lib/python3.6/site-packages/matplotlib/pyplot.py", line 113, in <module>
    _backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
  File "/Users/david/anaconda2/envs/tensorflow/lib/python3.6/site-packages/matplotlib/backends/__init__.py", line 60, in pylab_setup
    [backend_name], 0)
  File "/Users/david/anaconda2/envs/tensorflow/lib/python3.6/site-packages/matplotlib/backends/backend_macosx.py", line 19, in <module>
    from matplotlib.backends import _macosx
RuntimeError: Python is not installed as a framework. The Mac OS X backend will not be able to function correctly if Python is not installed as a framework. See the Python documentation for more information on installing Python as a framework on Mac OS X. Please either reinstall Python as a framework, or try one of the other backends. If you are using (Ana)Conda please install python.app and replace the use of 'python' with 'pythonw'. See 'Working with Matplotlib on OSX' in the Matplotlib FAQ for more information.

网络上介绍了2中方法，测试都可以。

方法一：

添加如下两行代码解决:

>>> import matplotlib
>>> matplotlib.use('TkAgg')

##在import matplotlib下的模块，如pyplot等之前添加上面2句

>>> import matplotlib.pyplot as plt

方法二：

在每个python脚本文件中都这么写，有些别扭。

添加一下matplotlib的配置：

echo "backend: TkAgg" >> ~/.matplotlib/matplotlibrc