• 本文
• リロード
• 差分
• バックアップ
• 名前変更
• リファラ
• 新規ページ
• 編集

なんとかenv

pyenv

Top / pyenv

Simple Python version management

https://github.com/pyenv/pyenv

Ubuntu

インストール

• sudo apt update; sudo apt install build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev curl git libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev

• curl -fsSL https://pyenv.run | bash

  echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
  echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
  echo 'eval "$(pyenv init - bash)"' >> ~/.bashrc

  exec "$SHELL"

pyenv-virtualenv

• # Load pyenv-virtualenv automatically by adding
  # the following to ~/.bashrc:
  eval "$(pyenv virtualenv-init -)"

macOS

• echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.zshrc
  echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.zshrc
  echo 'eval "$(pyenv init - zsh)"' >> ~/.zshrc

• exec "$SHELL"

Windows

• pyenv-win

使い方

• pyenv install --list (-l) : check a list of Python versions supported by pyenv-win
• pyenv install <version>
• pyenv global <version>
• pyenv local <version>
• pyenv local --unset?

インストール

依存パッケージ

• https://github.com/pyenv/pyenv/wiki#suggested-build-environment

help

• Usage: pyenv <command> [<args>]
  
  Some useful pyenv commands are:
     commands     List all available pyenv commands
     duplicate    Creates a duplicate python environment
     local        Set or show the local application-specific Python version
     global       Set or show the global Python version
     shell        Set or show the shell-specific Python version
     install      Install a Python version using python-build
     uninstall    Uninstall a specific Python version
     update       Update the cached version DB
     rehash       Rehash pyenv shims (run this after installing executables)
     vname        Show the current Python version
     version      Show the current Python version and its origin
     version-name Show the current Python version
     versions     List all Python versions available to pyenv
     exec         Runs an executable by first preparing PATH so that the selected Python
     which        Display the full path to an executable
     whence       List all Python versions that contain the given executable
  
  See `pyenv help <command>' for information on a specific command.
  For full documentation, see: https://github.com/pyenv-win/pyenv-win#readme

インストーラ

• pyenv-installer
• https://github.com/pyenv/pyenv-installer
• 下記のpyenvのパッケージをインストールするだけなので依存ライブラリは別に入れておく必要がある

インストール対象

• pyenv
• pyenv-doctor
• pyenv-installer
• pyenv-update?
• pyenv-virtualenv
• pyenv-which-ext?

コマンド (本家)

• pyenv install: Install a Python version using python-build
• pyenv install --list - List all available versions
• pyenv update: Update the cached version DB
• pyenv version: Show the current Python version(s) and its origin
• pyenv versions: List all Python versions available to pyenv
• pyenv doctor: Verify pyenv installation and development tools to build pythons.
• pyenv init?: Verify pyenv installation and development tools to build pythons.
• pyenv uninstall?
• pyenv commands: List all available pyenv commands

切り替え

pyenv local

• 現在のディレクトリ以下にのみ適用したい場合

pyenv global

• 全ディレクトリで適用したい場合

help

• Usage: pyenv <command> [<args>]
  
  Some useful pyenv commands are:
     activate    Activate virtual environment
     commands    List all available pyenv commands
     deactivate   Deactivate virtual environment
     doctor      Verify pyenv installation and development tools to build pythons.
     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   Display the version of pyenv
     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
     virtualenv   Create a Python virtualenv using the pyenv-virtualenv plugin
     virtualenv-delete   Uninstall a specific Python virtualenv
     virtualenv-init   Configure the shell environment for pyenv-virtualenv
     virtualenv-prefix   Display real_prefix for a Python virtualenv version
     virtualenvs   List all Python virtualenvs found in `$PYENV_ROOT/versions/*'.
     whence      List all Python versions that contain the given executable
     which       Display the full path to an executable
  

旧

• https://github.com/yyuu/pyenv

Python/ビルド

• https://github.com/pyenv/pyenv/wiki#suggested-build-environment

環境変数

コマンド

• # the sed invocation inserts the lines at the start of the file
  # after any initial comment lines
  sed -Ei -e '/^([^#]|$)/ {a \
  export PYENV_ROOT="$HOME/.pyenv"
  a \
  export PATH="$PYENV_ROOT/bin:$PATH"
  a \
  ' -e ':a' -e '$!{n;ba};}' ~/.profile
  echo 'eval "$(pyenv init --path)"' >>~/.profile
  
  echo 'eval "$(pyenv init -)"' >> ~/.bashrc

• .profile

  export PYENV_ROOT="$HOME/.pyenv"
  export PATH="$PYENV_ROOT/bin:$PATH"
  
  echo 'eval "$(pyenv init --path)"'

• .bashrc

  echo 'eval "$(pyenv init -)"'

Ubuntuの場合のメモ

.bashrc

• export PATH="$HOME/.pyenv/bin:$PATH"
  eval "$(pyenv init --path)"
  eval "$(pyenv virtualenv-init -)"