第1步:下载Python3.4
下载地址如下:
下载Mac OS X 64-bit/32-bit installer
https://www.python.org/downloads/release/python-340/
第2步: 安装
安装下载的dmg文件
第3步: 配置
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- #!/bin/bash
- #python版号需要修改两个地方
- #1. new_version
- #sudo -i #得到超级权限
- new_version="3.4"
- PYPATH=/System/Library/Frameworks/Python.framework/Versions/"$new_version"
- #第1步移动新版python到mac默认目录下
- echo "move.."
- mv /Library/Frameworks/Python.framework/Versions/"$new_version" /System/Library/Frameworks/Python.framework/Versions/
- #第2步改变用户目录的用户组
- echo "chown.."
- chown -R root:wheel ${PYPATH}
- #第3步 删除原来2.7的链接
- echo "del.."
- rm /System/Library/Frameworks/Python.framework/Versions/Current
- #第4步重新链接到最新版本的python
- echo "ln.."
- ln -s ${PYPATH} /System/Library/Frameworks/Python.framework/Versions/Current
- #第5步删除旧的命令符号链接
- echo "rm.."
- rm /usr/bin/{pydoc,python,pythonw,python-config}
- echo "ln bin.."
- #第6步重新建立新的命令符号链接
- ln -s ${PYPATH}/bin/pydoc"$new_version" /usr/bin/pydoc
- ln -s ${PYPATH}/bin/python"$new_version" /usr/bin/python
- ln -s ${PYPATH}/bin/pythonw"$new_version" /usr/bin/pythonw
- ln -s ${PYPATH}/bin/python"$new_version"m-config /usr/bin/python-config
- python_param_list=`cd /usr/local/bin && ls -al |grep "Python"|awk ‘ORS=" " {print $9}‘`
- #第7步修复其他链接
- for i in $python_param_list;do
- echo "info: $i"
- rm -f /usr/local/bin/${i}
- ln -sv /System/Library/Frameworks/Python.framework/Versions/"$new_version"/bin/${i} /usr/local/bin/${i}
- done
- #第8步.环境变量要修改为最新的版本号
- echo ‘export PATH=/System/Library/Frameworks/Python.framework/Versions/3.4/bin:${PATH}‘ >> ~/.bashrc
- exit #退出超级权限
查看当前python版本
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- [email protected] ~$ python --version
- Python 3.4.0
时间: 2024-10-14 08:44:06