Old version of https://github.com/hepix-virtualisation/vmimagemanager
...For a more useful and uptodate application please look here.
https://github.com/hepix-virtualisation/vmimagemanager
vmimagemanager.py is a command line libvirt client and virtual machine image management pythonscript. It is intended for backing up snapshotting. It supports libvirt, mount (re)store images, booting virtual machines. Its simple and fast to use.