cmd.py 文件源码

def execute(cmd, stderr_to_stdout=False, stdin=None):
    """Execute a command in the shell and return a tuple (rc, stdout, stderr)"""
    if stderr_to_stdout:
        stderr = STDOUT
    else:
        stderr = PIPE

    if stdin is None:
        _stdin = None
    else:
        _stdin = PIPE

    p = Popen(cmd, close_fds=True, stdin=_stdin, stdout=PIPE, stderr=stderr, preexec_fn=os.setsid)
    stdout, stderr = p.communicate(input=stdin)

    return p.returncode, stdout, stderr