os.chdir, but a context manager

chdir.py

# Copyright 2024 Paul Durivage <pauldurivage+githubspam@gmail.com>

# 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.

class Chdir:
    def __init__(self, chdir: str | pathlib.Path):
        self._pwd = os.getcwd()
        self._chdir = chdir

    def __enter__(self):
        os.chdir(self._chdir)
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        os.chdir(self._pwd)

with Chdir('foo/bar'):
    # do stuff