Mac 上安装 pyenv 使用多版本python开发项目 _pyenv

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安装 pyenv~ % brew install pyenv

Updating Homebrew...==> Auto-updated Homebrew!Updated 1 tap (homebrew/core).==> Updated FormulaeUpdated 19 formulae.......For compilers to find readline you may need to set:  export LDFLAGS="-L/usr/local/opt/readline/lib"  export CPPFLAGS="-I/usr/local/opt/readline/include"For pkg-config to find readline you may need to set:  export PKG_CONFIG_PATH="/usr/local/opt/readline/lib/pkgconfig"

把pyenv加到环境变量PATH里面~ % echo -e 'if command -v pyenv 1>/dev/null 2>&1; thenn eval "$(pyenv init -)"nfi' >> ~/.zshrc
~ % more ~/.zshrc
if command -v pyenv 1>/dev/null 2>&1; then eval "$(pyenv init -)"fi重新启动shell，检查pyenv 安装成功~ % exec "$SHELL"
~ % pyenv help

Usage: pyenv <command> [<args>]Some useful pyenv commands are:   --version   Display the version of pyenv   commands    List all available pyenv commands   exec        Run an executable with the selected Python version   global      Set or show the global Python version(s)   help        Display help for a command   hooks       List hook scripts for a given pyenv command   init        Configure the shell environment for pyenv   install     Install a Python version using python-build   local       Set or show the local Application-specific Python version(s)   prefix      Display prefix for a Python version   rehash      Rehash pyenv shims (run this after installing executables)   root        Display the root directory where versions and shims are kept   shell       Set or show the shell-specific Python version   shims       List existing pyenv shims   uninstall   Uninstall a specific Python version   version     Show the current Python version(s) and its origin   version-file   Detect the file that sets the current pyenv version   version-name   Show the current Python version   version-origin   Explain how the current Python version is set   versions    List all Python versions available to pyenv   whence      List all Python versions that contain the given executable   which       Display the full path to an executable

安装多版本python~% pyenv install 2.7.6

python-build: use openssl from homebrewpython-build: use readline from homebrewDownloading Python-2.7.6.tgz...-> https://www.python.org/ftp/python/2.7.6/Python-2.7.6.tgz......

如果有错误发生，在这个链接里面找一找解决方法 :https://github.com/pyenv/pyenv/wiki/Common-build-problems
安装成功后，python 安装在： /Users/xxx/.pyenv/versions/2.7.6/bin
安装其它版本python 也是在这个versions目录下面
设定当前工作的python版本~%pyenv global 2.7.6
好了，看使用python多版本开发吧

【Mac 上安装 pyenv 使用多版本python开发项目】