View file File name : _compat.py Content :# -*- 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