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