Python - Xen and libvirt

basic python script with libvirt

#!/usr/bin/python -u

import libvirt
import sys
import os

if not os.access("/proc/xen", os.R_OK):
    print 'System is not running a Xen kernel'
    sys.exit(1)

conn = libvirt.openReadOnly(None)

if conn == None:
    print 'Failed to open connection to the hypervisor'
    sys.exit(1)

# print conn

for id in conn.listDomainsID():   
    dom0 = conn.lookupByID(id)

    print "Dom %s State %s" % ( dom0.name(), dom0.info()[0])

Some example :

python# ./script1.py
Please choose :

1) Show VPS

2) test 2
1
Domain Domain-0 ID 0 State 1 OS linux (Active Domain)
Domain zenvps2 ID 3 State 2 OS linux (Active Domain)
Domain zenvps ID 4 State 2 OS linux (Active Domain)