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Python虚拟环境Virtualenv使用详解 | CHEGVA

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Python虚拟环境(2)—Virtualenv使用详解

◎知识点

  1. 安装Virtualenv

  2. 使用Virtualenv

  3. 使用Virtualenv时的项目交接

  4. 在PyCharm中使用Virtualenv

1.安装Virtualenv

Python虚拟环境(2)—Virtualenv使用详解
~/anzhihe $ pip3 install virtualenv
~/anzhihe $ virtualenv --version
virtualenv 20.21.0 from /Users/buhaihui/opt/anaconda3/lib/python3.9/site-packages/virtualenv/__init__.py

2.使用Virtualenv

2.1 创建虚拟环境

Python虚拟环境(2)—Virtualenv使用详解
~/Desktop $ mkdir MyProject1                                                                                    
~/Desktop $ cd MyProject1
~/Desktop/MyProject1 $ virtualenv MyVirEnv
created virtual environment CPython3.9.7.final.0-64 in 903ms
  creator CPython3Posix(dest=/Users/anzhihe/Desktop/MyProject1/MyVirEnv, clear=False, no_vcs_ignore=False, global=False)
  seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/Users/anzhihe/Library/Application Support/virtualenv)
    added seed packages: pip==23.0.1, setuptools==67.4.0, wheel==0.38.4
  activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator

~/Desktop/MyProject1 $ where python
/Users/anzhihe/opt/anaconda3/bin/python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python
/usr/local/bin/python

# 查看MyVirEnv里的安装内容
~/Desktop/MyProject1/MyVirEnv $ tree -N -L 4
.
├── bin
│   ├── activate
│   ├── activate.csh
│   ├── activate.fish
│   ├── activate.nu
│   ├── activate.ps1
│   ├── activate_this.py
│   ├── pip
│   ├── pip-3.9
│   ├── pip3
│   ├── pip3.9
│   ├── python -> /Users/anzhihe/opt/anaconda3/bin/python
│   ├── python3 -> python
│   ├── python3.9 -> python
│   ├── wheel
│   ├── wheel-3.9
│   ├── wheel3
│   └── wheel3.9
├── lib
│   └── python3.9
│       └── site-packages
│           ├── _distutils_hack
│           ├── _virtualenv.pth
│           ├── _virtualenv.py
│           ├── distutils-precedence.pth
│           ├── pip
│           ├── pip-23.0.1.dist-info
│           ├── pip-23.0.1.virtualenv
│           ├── pkg_resources
│           ├── setuptools
│           ├── setuptools-67.4.0.dist-info
│           ├── setuptools-67.4.0.virtualenv
│           ├── wheel
│           ├── wheel-0.38.4.dist-info
│           └── wheel-0.38.4.virtualenv
└── pyvenv.cfg
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