types.py 文件源码

def _wait_output(popen):
        """Returns `True` if we can get output of the command in the
        `settings.wait_command` time.

        Command will be killed if it wasn't finished in the time.

        :type popen: Popen
        :rtype: bool

        """
        proc = Process(popen.pid)
        try:
            proc.wait(settings.wait_command)
            return True
        except TimeoutExpired:
            for child in proc.children(recursive=True):
                child.kill()
            proc.kill()
            return False