diskimage-builder/elements/pip-and-virtualenv/pkg-map

{
  "family": {
    "gentoo": {
      "python-pip": "dev-python/pip",
      "python-virtualenv": "dev-python/virtualenv"
    },
    "suse" : {
      "python-xml": "python-xml"
    }
  },
  "default": {
    "python-xml": ""
  }
}