def clear_credentials():
 global identity, regions, services, cloudservers, cloudfiles, cloud_cdn
 global cloud_loadbalancers, cloud_databases, cloud_blockstorage, cloud_dns
 global cloud_networks, cloud_monitoring, autoscale, images, queues
 identity = None
 regions = tuple()
 services = tuple()
 cloudservers = None
 cloudfiles = None
 cloud_cdn = None
 cloud_loadbalancers = None
 cloud_databases = None
 cloud_blockstorage = None
 cloud_dns = None
 cloud_networks = None
 cloud_monitoring = None
 autoscale = None
 images = None
 queues = None

def clear_credentials ( ) : global identity , regions , services , cloudservers , cloudfiles , cloud_cdn global cloud_loadbalancers , cloud_databases , cloud_blockstorage , cloud_dns global cloud_networks , cloud_monitoring , autoscale , images , queues identity = None regions = tuple ( ) services = tuple ( ) cloudservers = None cloudfiles = None cloud_cdn = None cloud_loadbalancers = None cloud_databases = None cloud_blockstorage = None cloud_dns = None cloud_networks = None cloud_monitoring = None autoscale = None images = None queues = None
de-authenticate by clearing all the names back to none .