py-learning-book/virtual-env/readme.md

Create virtual environment

Open Terminal

• Create a directory to hold your virtual environments, change into it
• Create a virtual environment
  • python -m venv {name-of-env} Windows
  • python3 -m venv {name} Linux
• Activate the virtual environment
  • {name-of-env}\Scripts\activate.bat Windows
  • source {name}/bin/activate Linux
• Deactivate
  • deactivate
• Install packages in the environment
  • pip list
  • pip install requests
• Publishing an environment
  • pip freeze > requirements.txt
  • Using requirements
    • Create a new env
    • pip install -r requirements.txt
• Best Practices
  • Create the project directory
  • Create the venv or env folder inside of the project directory
  • Source code does not go into the env folder