This is a simple python client that shows succinct information on boot resources that you have available in your maas.
It uses the same login credenitals that the maas cli uses, and depends on that being set up.
The data output is is space delimited os/release, arch/subarch, build_serial, label, synced.
$ maas list
admin http://192.168.1.2/MAAS/api/1.0/ ABCDEFG:abcdefg:12345afjd