Get slot information from qstat

def _sge_get_slots(xmlstring):
    """ Get slot information from qstat
    """
    rootxml = ET.fromstring(xmlstring)
    my_machine_dict = {}
    for queue_list in rootxml.iter("Queue-List"):
        # find all hosts supporting queues
        my_hostname = queue_list.find("name").text.rsplit("@")[-1]
        my_slots = queue_list.find("slots_total").text
        my_machine_dict[my_hostname] = {}
        my_machine_dict[my_hostname]["slots_total"] = int(my_slots)
    return my_machine_dict