marcelomgarcia/powershell_venv.md

## powershell_venv.md

      
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              powershell_venv.md
            
          
    Using Virtual Environment in Powershell

Create the virtual environment

PS C:\Users\mgarcia\Documents\Work\ml> python -m venv venv

Starting the environment

PS C:\Users\mgarcia\Documents\Work\ml> python -m pip --version
pip 21.1.1 from C:\Python39\lib\site-packages\pip (python 3.9)
PS C:\Users\mgarcia\Documents\Work\ml>
PS C:\Users\mgarcia\Documents\Work\ml> . venv/Scripts/activate

(venv) PS C:\Users\mgarcia\Documents\Work\ml>

(venv) PS C:\Users\mgarcia\Documents\Work\ml> pip install jupyter matplotlib numpy pandas scipy scikit-learn

Registering the environment in Jupyter

(venv) PS C:\Users\mgarcia\Documents\Work\ml> python -m ipykernel install --user --name=python3
Installed kernelspec python3 in C:\Users\mgarcia\AppData\Roaming\jupyter\kernels\python3
(venv) PS C:\Users\mgarcia\Documents\Work\ml>

Powershell Execution Policy

PS C:\Users\mgarcia\Documents\Work\ml> . venv/Scripts/activate
. : File C:\Users\mgarcia\Documents\Work\ml\venv\Scripts\Activate.ps1 cannot be loaded because running scripts is disabled on
this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
At line:1 char:3
+ . venv/Scripts/activate
+   ~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : SecurityError: (:) [], PSSecurityException
    + FullyQualifiedErrorId : UnauthorizedAccess
PS C:\Users\mgarcia\Documents\Work\ml>

PS C:\Users\mgarcia\Documents\Work\ml> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
PS C:\Users\mgarcia\Documents\Work\ml> . venv/Scripts/activate

(venv) PS C:\Users\mgarcia\Documents> Get-ChildItem -Recurse -Directory 'ml'


    Directory: C:\Users\mgarcia\Documents\Work


Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
d-----          6/4/2021   2:50 PM                ml


(venv) PS C:\Users\mgarcia\Documents>