1# SPDX-license-identifier: Apache-2.0 2# Copyright 2012-2021 The Meson development team 3# Copyright © 2021 Intel Corporation 4 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8 9# http://www.apache.org/licenses/LICENSE-2.0 10 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16 17"""base classes providing no-op functionality..""" 18 19import os 20import typing as T 21 22from .. import mlog 23 24__all__ = ['BuildDirLock'] 25 26# This needs to be inherited by the specific implementations to make type 27# checking happy 28class BuildDirLock: 29 30 def __init__(self, builddir: str) -> None: 31 self.lockfilename = os.path.join(builddir, 'meson-private/meson.lock') 32 33 def __enter__(self) -> None: 34 mlog.debug('Calling the no-op version of BuildDirLock') 35 36 def __exit__(self, *args: T.Any) -> None: 37 pass 38