test_pty.py 文件源码

def tearDown(self):
        pty.STDIN_FILENO = self.orig_stdin_fileno
        pty.STDOUT_FILENO = self.orig_stdout_fileno
        pty.select = self.orig_pty_select
        for fd in self.fds:
            try:
                os.close(fd)
            except:
                pass