diskimage-builder/diskimage_builder/elements/pip-and-virtualenv/README.rst

pip-and-virtualenv

This element installs pip and virtualenv in the image. If the package installtype is used then these programs are installed from distribution packages. If the source installtype is used these programs are installed from get-pip.py and pip (respectively).

To install pip and virtualenv from package:

export DIB_INSTALLTYPE_pip_and_virtualenv=package

Any element that uses these commands must be designated as 05-* or higher to ensure that they are first installed.