python2中安装virtualenv并创建虚拟环境

安装virtualenv  pip2 install virtualenv

~]$ pip2 install virtualenv --user

~]$ which virtualenv
~/.local/bin/virtualenv

~]$ pip2 show virtualenv
Name: virtualenv
Version: 20.15.1
Summary: Virtual Python Environment builder
Home-page: https://virtualenv.pypa.io/
Author: Bernat Gabor
Author-email: [email protected]
License: MIT
Location: /home/[email protected]/.local/lib/python2.7/site-packages
Requires: importlib-metadata, six, platformdirs, distlib, importlib-resources, filelock, pathlib2

 创建名为py2env的虚拟环境  virtualenv py2env

 ~]$ virtualenv py2env
created virtual environment CPython2.7.16.final.0-64 in 402ms
  creator CPython2Posix(dest=/home/[email protected]/py2env, clear=False, no_vcs_ignore=False, global=False)
  seeder FromAppData(download=False, pip=bundle, wheel=bundle, setuptools=bundle, via=copy, app_data_dir=/home/[email protected]/.local/share/virtualenv)
    added seed packages: pip==20.3.4, setuptools==44.1.1, wheel==0.37.1
  activators NushellActivator,PythonActivator,FishActivator,CShellActivator,PowerShellActivator,BashActivator

 ~]$ cd py2env/bin/;ls
activate      activate.fish  activate.ps1      deactivate.nu  easy_install2     easy_install2.7  pip2     pip2.7  python2    wheel   wheel-2.7
activate.csh  activate.nu    activate_this.py  easy_install   easy_install-2.7  pip              pip-2.7  python  python2.7  wheel2  wheel2.7

激活虚拟环境  source activate 

bin]$ source activate
(py2env) bin]$

退出虚拟环境  deactivate 

(py2env) bin]$ deactivate 
 bin]$