在Mac OS 12.4 (Monterey)下安装Python 2.7

为什么要安装Python 2.7

系统升级到Monterey后Python 2.7消失了。而有些老的代码需要2.7,完全迁移到Python3太麻烦。

安装成功的方法

到Python官网下载macOS 64-bit安装包,运行后即可

安装路径

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/usr/local/bin/python
/usr/local/bin/python
/usr/local/bin/python

这是一个链接,指向的真身在

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/Library/Frameworks/Python.framework/Versions/2.7/bin/python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python

不成功的安装方法

Homebrew

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brew search python
brew search python
brew search python

到不到2.7版本。

pyenv

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brew install pyenv
pyenv install 2.7.18
brew install pyenv pyenv install 2.7.18
brew install pyenv
pyenv install 2.7.18

pyenv自身可以安装成功。但是装2.7.18会build fail。

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