Python

1. Request

2. Virtualenv

   python -m venv venv
   source venv/bin/activate
   pip install -r requirements.txt
   python main.py
   deactivate
   

3. Requirements

   pip freeze -r > requirements.txt
   

   or

   pip install pipreqs
   pipreqs path/to/project
   

4. Install with custom certificate

   pip --cert $HOME/certs/MYCERT.pem install ...
   

   or find the certificate repos (e.g. in the current virtual environment)

   fd -e pem . venv
   cat $HOME/certs/MYCERT.pem >> venv/lib/python3.9/site-packages/pip/_vendor/certifi/cacert.pem