python virtualenv创建虚拟环境

安装virtualenv

pip install virtualenv
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在当前目录创建虚拟环境命令

python -m virtualenv venv
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PS E:\coding\bertopic> python -m virtualenv venv
created virtual environment CPython3.7.0.final.0-64 in 14014ms
  creator CPython3Windows(dest=E:\coding\bertopic\venv, clear=False, no_vcs_ignore=False, global=False)
  seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=C:\Users\lenovo\AppData\Local\pypa\virtualenv)
    added seed packages: pip==24.0, setuptools==68.0.0, wheel==0.42.0
  activators BashActivator,BatchActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator
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进入虚拟环境

cd venv/Scripts/

PS E:\coding\bertopic\venv\Scripts> activate
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激活虚拟环境

activate

PS E:\coding\bertopic\venv\Scripts> .\activate
(venv) PS E:\coding\bertopic\venv\Scripts> 
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查看python版本

(venv) PS E:\coding\bertopic\venv\Scripts> python --version
Python 3.7.0
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退出虚拟环境

deactivate
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