# -*- coding: utf-8 -*-
# Copyright (C) 2011 Sebastian Wiesner <lunaryorn@gmail.com>
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation; either version 2.1 of the License, or (at your
# option) any later version.
# This library 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 Lesser General Public License
# for more details.
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pyudev._compat
==============
Compatibility for Python versions, that lack certain functions.
.. moduleauthor:: Sebastian Wiesner <lunaryorn@gmail.com>
"""
from __future__ import (print_function, division, unicode_literals,
absolute_import)
from subprocess import Popen, CalledProcessError, PIPE
def check_output(command):
"""
Compatibility with :func:`subprocess.check_output` from Python 2.7 and
upwards.
"""
proc = Popen(command, stdout=PIPE)
output = proc.communicate()[0]
if proc.returncode != 0:
raise CalledProcessError(proc.returncode, command)
return output
