meson/mesonbuild/utils/platform.py

# SPDX-license-identifier: Apache-2.0
# Copyright 2012-2021 The Meson development team
# Copyright © 2021 Intel Corporation

# 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.

"""base classes providing no-op functionality.."""

import os
import typing as T

from .. import mlog

__all__ = ['BuildDirLock']

# This needs to be inherited by the specific implementations to make type
# checking happy
class BuildDirLock:

    def __init__(self, builddir: str) -> None:
        self.lockfilename = os.path.join(builddir, 'meson-private/meson.lock')

    def __enter__(self) -> None:
        mlog.debug('Calling the no-op version of BuildDirLock')

    def __exit__(self, *args: T.Any) -> None:
        pass