# Copyright 2015 IBM Corp.
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# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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"""Utilities around Universally-Unique Identifiers (UUIDs)."""


def convert_uuid_to_pvm(uuid):
    """Converts a standard UUID to PowerVM format

    PowerVM uuids always set the byte 0, bit 0 to 0.

    :param uuid: A standard format uuid string
    :returns: A PowerVM compliant uuid
    """
    return "%x%s" % (int(uuid[0], 16) & 7, uuid[1:])
