python virtualenv 管理工具

我们使用python virtualenv构建不同的python环境，python3 也加入了virtualenv 模块。

virtualenvwrapper 提供了更便捷的 virtualenv环境的生命周期管理功能，使用起来很skr！

(3.6) ➜  site-packages virtualenvwrapper

virtualenvwrapper is a set of extensions to Ian Bicking's virtualenv
tool.  The extensions include wrappers for creating and deleting
virtual environments and otherwise managing your development workflow,
making it easier to work on more than one project at a time without
introducing conflicts in their dependencies.

For more information please refer to the documentation:

    http://virtualenvwrapper.readthedocs.org/en/latest/command_ref.html

Commands available:

  add2virtualenv: add directory to the import path

  allvirtualenv: run a command in all virtualenvs

  cdproject: change directory to the active project

  cdsitepackages: change to the site-packages directory

  cdvirtualenv: change to the $VIRTUAL_ENV directory

  cpvirtualenv: duplicate the named virtualenv to make a new one

  lssitepackages: list contents of the site-packages directory

  lsvirtualenv: list virtualenvs

  mkproject: create a new project directory and its associated virtualenv

  mktmpenv: create a temporary virtualenv

  mkvirtualenv: Create a new virtualenv in $WORKON_HOME

  rmvirtualenv: Remove a virtualenv

  setvirtualenvproject: associate a project directory with a virtualenv

  showvirtualenv: show details of a single virtualenv

  toggleglobalsitepackages: turn access to global site-packages on/off

  virtualenvwrapper: show this help message

  wipeenv: remove all packages installed in the current virtualenv

  workon: list or change working virtualenvs

这是virtualenvwrapper 的文档：

https://virtualenvwrapper.readthedocs.io/en/latest/command_ref.html

另外2个env管理工具

pipenv：更侧重于python项目的包管理

https://github.com/pypa/pipenv

http://www.dongwm.com/archives/%E4%BD%BF%E7%94%A8pipenv%E7%AE%A1%E7%90%86%E4%BD%A0%E7%9A%84%E9%A1%B9%E7%9B%AE/

pyenv：简单的python 版本管理工具

https://github.com/pyenv/pyenv