使用pyenv管理Python的运行环境
作者Lou Xiao创建时间2020-04-20 17:24:00更新时间2020-12-19 01:16:00
操作系统: CentOS 7.x
install requirement
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# CentOS 7.x/Redhat 7/Fedora 21 and below
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yum install gcc zlib-devel bzip2 bzip2-devel readline-devel sqlite sqlite-devel openssl-devel tk-devel libffi-devel ccache
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# Ubuntu/Debian/Mint:
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sudo apt-get update; sudo apt-get install --no-install-recommends make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
download pyenv
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git clone https://github.com/pyenv/pyenv.git ~/.pyenv
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git clone https://github.com/pyenv/pyenv-virtualenv.git ~/.pyenv/plugins/pyenv-virtualenv
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git clone https://github.com/yyuu/pyenv-ccache.git ~/.pyenv/plugins/pyenv-ccache
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mkdir -p ~/.pyenv/cache
修改~/.bashrc
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cat >> ~/.bashrc <<'EOF'
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# pyenv
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export PYENV_ROOT="$HOME/.pyenv"
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export PATH="$PYENV_ROOT/bin:$PATH"
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export PYTHON_BUILD_CACHE_PATH="$PYENV_ROOT/cache/"
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if command -v pyenv &>/dev/null; then
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eval "$(pyenv init -)"
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eval "$(pyenv virtualenv-init -)"
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fi
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EOF
管理环境
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# 列出所有版本
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pyenv install --list
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# 安装指定版本
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pyenv install 3.6.10
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# 下载指定版本
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pyenv uninstall 3.6.10
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# 临时激活某版本
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pyenv shell 3.6.10
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# 全局(永久\默认)激活某版本
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pyenv global 3.6.10
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#
全部命令
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$ pyenv
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pyenv 1.2.18-4-g5b009e8
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Usage: pyenv <command> [<args>]
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Some useful pyenv commands are:
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activate Activate virtual environment
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commands List all available pyenv commands
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deactivate Deactivate virtual environment
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exec Run an executable with the selected Python version
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global Set or show the global Python version(s)
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help Display help for a command
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hooks List hook scripts for a given pyenv command
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init Configure the shell environment for pyenv
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install Install a Python version using python-build
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local Set or show the local application-specific Python version(s)
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prefix Display prefix for a Python version
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rehash Rehash pyenv shims (run this after installing executables)
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root Display the root directory where versions and shims are kept
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shell Set or show the shell-specific Python version
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shims List existing pyenv shims
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uninstall Uninstall a specific Python version
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version Show the current Python version(s) and its origin
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--version Display the version of pyenv
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version-file Detect the file that sets the current pyenv version
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version-name Show the current Python version
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version-origin Explain how the current Python version is set
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versions List all Python versions available to pyenv
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virtualenv Create a Python virtualenv using the pyenv-virtualenv plugin
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virtualenv-delete Uninstall a specific Python virtualenv
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virtualenv-init Configure the shell environment for pyenv-virtualenv
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virtualenv-prefix Display real_prefix for a Python virtualenv version
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virtualenvs List all Python virtualenvs found in `$PYENV_ROOT/versions/*'.
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whence List all Python versions that contain the given executable
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which Display the full path to an executable
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See `pyenv help <command>' for information on a specific command.
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For full documentation, see: https://github.com/pyenv/pyenv#readme
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