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升级MAC OX上的Python到3.4
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第1步:下載Python3.4
下載地址如下:
下載Mac OS X 64-bit/32-bit installer
https://www.python.org/downloads/release/python-340/
第2步: 安裝
安裝下載的dmg文件
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第3步: 配置
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#!/bin/bash??#python版號需要修改兩個地方??#1.?new_version????#sudo?-i?#得到超級權限??new_version="3.4"????PYPATH=/System/Library/Frameworks/Python.framework/Versions/"$new_version"??#第1步移動新版python到mac默認目錄下??echo?"move.."??mv?/Library/Frameworks/Python.framework/Versions/"$new_version"?/System/Library/Frameworks/Python.framework/Versions/??#第2步改變用戶目錄的用戶組??echo?"chown.."??chown?-R?root:wheel?${PYPATH}??#第3步?刪除原來2.7的鏈接??echo?"del.."??rm?/System/Library/Frameworks/Python.framework/Versions/Current??#第4步重新鏈接到最新版本的python??echo?"ln.."??ln?-s?${PYPATH}?/System/Library/Frameworks/Python.framework/Versions/Current??#第5步刪除舊的命令符號鏈接??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號鏈接??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?$9}'`??#第7步修復其他鏈接??for?i?in?$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/${i}??done????#第8步.環境變量要修改為最新的版本號??echo?'export?PATH=/System/Library/Frameworks/Python.framework/Versions/3.4/bin:${PATH}'?>>?~/.bashrc????exit?#退出超級權限??
查看當前python版本
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bixiaopeng@bixiaopengtekiMacBook-Pro?~$?python?--version??Python?3.4.0??
轉載于:https://www.cnblogs.com/phpdragon/p/4719366.html
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