MAC 上升级python为最新版本
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 创建下面的script, 改下版本号即可 [plain] view plaincopy在CODE上查看代码片派生到我的代码片 #!/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 [html] view plaincopy bixiaopeng@bixiaopengtekiMacBook-Pro ~$ python --version
I'm falling off the sky all alone.The courage inside is gonna break the fall. Nothing can dim my light within.
I am That I am
程序 = 数据结构 + 算法