core-admin/qubes/tests/tools/__init__.py

#
# The Qubes OS Project, https://www.qubes-os.org/
#
# Copyright (C) 2015  Marek Marczykowski-Górecki
#                                       <marmarek@invisiblethingslab.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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#


import io
import sys

class StdoutBuffer(object):
    def __init__(self):
        self.stdout = io.StringIO()

    def __enter__(self):
        sys.stdout = self.stdout
        return self.stdout

    def __exit__(self, exc_type, exc_val, exc_tb):
        sys.stdout = sys.__stdout__
        return False