更新mac自带的python2.7到3.4版本

标签：mac

1) 先把系统原来的执行文件删掉

sudo rm /usr/bin/pydoc
sudo rm /usr/bin/python
sudo rm /usr/bin/pythonw
sudo rm /usr/bin/python-config

建立新的链接
sudo ln -s /System/Library/Frameworks/Python.framework/Versions/3.4/bin/pydoc3.4 /usr/bin/pydoc
sudo ln -s /System/Library/Frameworks/Python.framework/Versions/3.4/bin/python3.4 /usr/bin/python
sudo ln -s /System/Library/Frameworks/Python.framework/Versions/3.4/bin/pythonw3.4 /usr/bin/pythonw
sudo ln -s /System/Library/Frameworks/Python.framework/Versions/3.4/bin/python3.4-config /usr/bin/python-config

第六步，更新一下.bash_profile文件

在终端输入vi ~/.bash_profile 
按一下i  进入编辑状态
# Setting PATH for Python 3.4
# The orginal version is saved in .bash_profile.pysave

PATH="/System/Library/Frameworks/Python.framework/Versions/3.4/bin:${PATH}"

export PATH
再按一下 "esc" 键 ，结束编辑并输入 "：wq"  存储离开

更新mac自带的python2.7到3.4版本

标签：mac

原文地址：http://blog.csdn.net/chaoyue0071/article/details/42648679