mac PyCharm添加Python解释器及添加package路径的方法

一、背景

PyCharm执行Python时，找不到自己安装的package，例如pandas、numpy、scipy、scikit等，在执行时报如下错误ImportError: No module named pandas：

Traceback (most recent call last):
 File "<input>", line 1, in <module>
 File "/Applications/PyCharm.app/Contents/helpers/pydev/_pydev_bundle/pydev_import_hook.py", line 20, in do_import
 module = self._system_import(name, *args, **kwargs)
ImportError: No module named pandas

二、问题解决

（1）pycharm添加Python interpreter；

（2）给添加的Python interpreter添加自已安装的package路径。

1、pycharm添加Python interpreter

打开项目设置（pycharm–>preference）

添加interpreter，选中本地python命令所在目录，注意保持1和2中的interpreter一致

2、给添加的Python interpreter添加自已安装的package路径

选中刚才添加的interpreter，然后单击底部的”show paths for the selected interpreter”按钮，添加自己安装的package，例如pandas、numpy、scipy、scikit等。

单击底部的”+”号，添加自己安装的package的路径

获取package路径

~ python
Python 2.7.10 (default, Jul 15 2017, 17:16:57)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pandas
>>> print pandas
<module 'pandas' from '/Library/Python/2.7/site-packages/pandas/__init__.pyc'>

三、补充

查看当前python interpreter执行时加载的package路径

输入命令sys.path

Out[3]: 
['/Applications/PyCharm.app/Contents/helpers/pydev',
 '/Library/Python/2.7/site-packages/scikit_learn-0.19.1-py2.7-macosx-10.13-intel.egg/sklearn/model_selection',
 '/Library/Python/2.7/site-packages/scikit_learn-0.19.1-py2.7-macosx-10.13-intel.egg',
 '/Library/Python/2.7/site-packages/scikit_learn-0.19.1-py2.7-macosx-10.13-intel.egg/sklearn',
 '/Library/Python/2.7/site-packages',
 '/Applications/PyCharm.app/Contents/helpers/pydev',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC',
 '/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg',
 '/Library/Python/2.7/site-packages/jupyter-1.0.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/qtconsole-4.3.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/notebook-5.4.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/nbconvert-5.3.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/jupyter_console-5.2.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/ipywidgets-7.1.2-py2.7.egg',
 '/Library/Python/2.7/site-packages/terminado-0.8.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/nbformat-4.4.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/Jinja2-2.10-py2.7.egg',
 '/Library/Python/2.7/site-packages/Send2Trash-1.5.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/testpath-0.3.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/pandocfilters-1.4.2-py2.7.egg',
 '/Library/Python/2.7/site-packages/mistune-0.8.3-py2.7.egg',
 '/Library/Python/2.7/site-packages/entrypoints-0.2.3-py2.7.egg',
 '/Library/Python/2.7/site-packages/bleach-2.1.3-py2.7.egg',
 '/Library/Python/2.7/site-packages/widgetsnbextension-3.1.4-py2.7.egg',
 '/Library/Python/2.7/site-packages/jsonschema-2.6.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/MarkupSafe-1.0-py2.7-macosx-10.13-intel.egg',
 '/Library/Python/2.7/site-packages/configparser-3.5.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/html5lib-1.0.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/functools32-3.2.3.post2-py2.7.egg',
 '/Library/Python/2.7/site-packages/webencodings-0.5.1-py2.7.egg',
 '/Library/Python/2.7/site-packages/pyltp-0.1.10-py2.7-macosx-10.13-intel.egg',
 '/Library/Python/2.7/site-packages/Send2Trash-1.5.0-py2.7.egg',
 '/Library/Python/2.7/site-packages/pandocfilters-1.4.2-py2.7.egg',
 '/Library/Python/2.7/site-packages/functools32-3.2.3.post2-py2.7.egg',
 '/Users/zjw94377/venv/bus/lib/python27.zip',
 '/Users/zjw94377/venv/bus/lib/python2.7',
 '/Users/zjw94377/venv/bus/lib/python2.7/plat-darwin',
 '/Users/zjw94377/venv/bus/lib/python2.7/plat-mac',
 '/Users/zjw94377/venv/bus/lib/python2.7/plat-mac/lib-scriptpackages',
 '/Users/zjw94377/venv/bus/lib/python2.7/lib-tk',
 '/Users/zjw94377/venv/bus/lib/python2.7/lib-old',
 '/Users/zjw94377/venv/bus/lib/python2.7/lib-dynload',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac',
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages',
 '/Users/zjw94377/venv/bus/lib/python2.7/site-packages',
 '/Applications/PyCharm.app/Contents/helpers/pycharm_matplotlib_backend',
 '/Library/Python/2.7/site-packages/IPython/extensions']

以上这篇mac PyCharm添加Python解释器及添加package路径的方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持呐喊教程。

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