venv / Virtual Environments in Python (Python Part 7)

This class teaches you to use venv Virtual Environments with Python.

• 00:00 Intro
• 06:33 What Virtual Environments Mean
• 12:46 Basics of venv
• 22:02 Creating and Using venv Virtual Environments
• 35:23 Using requirements.txt Files
• 40:49 Security Concerns with venv
• 43:50 Final Thoughts

Install venv on Ubuntu

sudo apt install python3-venv

Create a Virtual Environment

python -m venv test-venv 

Activate Virtual Environment

source test-venv/bin/activate

Deactivate Virtual Environment

deactivate

Create a Requirements.txt File (Do this inside of activated Virtual Environment)

pip3 freeze > requirements.txt

Install Packages from Requirements.txt File (Do this inside of activated Virtual Environment)

pip3 install -r requirements.txt