tooz/tooz/locking.py

36 lines
981 B
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2014 eNovance Inc. 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.
import abc
import six
@six.add_metaclass(abc.ABCMeta)
class Lock(object):
def __enter__(self):
self.acquire()
def __exit__(self, exc_type, exc_val, exc_tb):
self.release()
@abc.abstractmethod
def release(self):
pass
@abc.abstractmethod
def acquire(self):
pass