oslo.messaging/oslo_messaging/_utils.py
ChangBo Guo(gcb) ae365cb688 Use method fetch_current_thread_functor from oslo.utils
oslo.utils provides this method, just use it and don't
keep the version of oslo.messaging.

Change-Id: If71dde829382a46bb95897cf89377428097b18dd
2016-09-24 15:22:44 +08:00

62 lines
1.7 KiB
Python

# Copyright 2013 Red Hat, Inc.
#
# 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.
def version_is_compatible(imp_version, version):
"""Determine whether versions are compatible.
:param imp_version: The version implemented
:param version: The version requested by an incoming message.
"""
if imp_version is None:
return True
if version is None:
return False
version_parts = version.split('.')
imp_version_parts = imp_version.split('.')
try:
rev = version_parts[2]
except IndexError:
rev = 0
try:
imp_rev = imp_version_parts[2]
except IndexError:
imp_rev = 0
if int(version_parts[0]) != int(imp_version_parts[0]): # Major
return False
if int(version_parts[1]) > int(imp_version_parts[1]): # Minor
return False
if (int(version_parts[1]) == int(imp_version_parts[1]) and
int(rev) > int(imp_rev)): # Revision
return False
return True
class DummyLock(object):
def acquire(self):
pass
def release(self):
pass
def __enter__(self):
self.acquire()
def __exit__(self, type, value, traceback):
self.release()