utils.py 文件源码

def make_subprocess(cmdline, stdout=False, stderr=False, stdin=False,
                    universal_newlines=False, close_fds=True, env=None):
    """Make a subprocess according to the given command-line string"""
    LOG.info("Running cmd '%s'", " ".join(cmdline))
    kwargs = {}
    kwargs['stdout'] = stdout and subprocess.PIPE or None
    kwargs['stderr'] = stderr and subprocess.PIPE or None
    kwargs['stdin'] = stdin and subprocess.PIPE or None
    kwargs['universal_newlines'] = universal_newlines
    kwargs['close_fds'] = close_fds
    kwargs['env'] = env
    try:
        proc = subprocess.Popen(cmdline, **kwargs)
    except OSError, e:  # noqa
        if e.errno == errno.ENOENT:
            raise CommandNotFound
        else:
            raise
    return proc