#
# Tinkerforge Util
# Copyright (C) 2024 Matthias Bolte <matthias@tinkerforge.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#

import os


# use "with ChangedDirectory('/path/to/abc')" instead of "os.chdir('/path/to/abc')"
class ChangedDirectory:
    def __init__(self, path):
        self.path = path
        self.previous_path = None

    def __enter__(self):
        self.previous_path = os.getcwd()
        os.chdir(self.path)

    def __exit__(self, type_, value, traceback):
        os.chdir(self.previous_path)
