This is where we get all you can eat imagery.
All operations on GBDX require credentials. You can sign up for a GBDX account at https://gbdx.geobigdata.io. Your GBDX credentials are found under your account profile. gbdxtools expects a config file to exist at ~/.gbdx-config with your credentials. (See formatting for this file here: https://github.com/tdg-platform/gbdx-auth#ini-file.)
For a quick installation with virtualenv, install can be directly from github
virtualenv /path/to/env -p python3
source /path/to/env/bin/activate
pip install git+git://github.com/DigitalGlobe/gbdx-buffet#egg=gbdx-buffet