delete tmp

demo.py

-import sys
-import libvirt
-
-domName = 'cloud-9'
-
-conn = None
-try:
-    conn = libvirt.open("qemu:///system")
-except libvirt.libvirtError as e:
-    print(repr(e), file=sys.stderr)
-    exit(1)
-
-dom = conn.lookupByID(7)
-if dom == None:
-    print('Failed to find the domain '+domName, file=sys.stderr)
-    exit(1)
-
-dom.setVcpus(4)
-
-conn.close()
-exit(0)