File: _compat.py

package info (click to toggle)
pyudev 0.21.0-1
  • links: PTS, VCS
  • area: main
  • in suites: buster, stretch
  • size: 716 kB
  • ctags: 870
  • sloc: python: 4,122; makefile: 16
file content (44 lines) | stat: -rw-r--r-- 1,468 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
# -*- 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