63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2012 Intel Corporation.
|
|
# 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
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
#
|
|
# Copyright (c) 2013-2018 Wind River Systems, Inc.
|
|
#
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
#
|
|
|
|
import six
|
|
import uuid
|
|
from oslo_log import log
|
|
from oslo_concurrency import lockutils
|
|
|
|
from fm.common import constants
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
|
|
def generate_uuid():
|
|
return str(uuid.uuid4())
|
|
|
|
|
|
def synchronized(name, external=True):
|
|
if external:
|
|
lock_path = constants.FM_LOCK_PATH
|
|
else:
|
|
lock_path = None
|
|
return lockutils.synchronized(name,
|
|
lock_file_prefix='fm-',
|
|
external=external,
|
|
lock_path=lock_path)
|
|
|
|
|
|
def safe_rstrip(value, chars=None):
|
|
"""Removes trailing characters from a string if that does not make it empty
|
|
|
|
:param value: A string value that will be stripped.
|
|
:param chars: Characters to remove.
|
|
:return: Stripped value.
|
|
|
|
"""
|
|
if not isinstance(value, six.string_types):
|
|
LOG.warning("Failed to remove trailing character. "
|
|
"Returning original object. "
|
|
"Supplied object is not a string: %s,", value)
|
|
return value
|
|
|
|
return value.rstrip(chars) or value
|