Creating virtual environment

Creation of virtual environments is done by executing the command venv:

python3 -m venv /path/to/new/virtual/environment

Activate a virtual environment

$ source <venv>/bin/activate

Install the requirements file

Use pip to install all of the packages needed by the environment.

pip install -r requirements.txt

Deactivate a virtual environment

deactivate

Show installed packages in requirements format

pip freeze

Generate the requirements file

pip freeze > requirements.txt