hypervisor.lib: user count itertool instead of home made

"""Helpers for libvirt."""

import logging

from itertools import chain, imap

from itertools import chain, imap, count

from StringIO import StringIO

from xml.etree import cElementTree as et

        """

        self.loop = loop

        def counter():

            count = 0

            while True:

                yield count

                count += 1

        self.handle_id = counter()

        self.timer_id = counter()

        self.handle_id = count()

        self.timer_id = count()

        self.handles = dict()

        self.timers = dict()