diff options
| -rw-r--r-- | cmd2/cmd2.py | 31 |
1 files changed, 3 insertions, 28 deletions
diff --git a/cmd2/cmd2.py b/cmd2/cmd2.py index 2adfe743..00e113a9 100644 --- a/cmd2/cmd2.py +++ b/cmd2/cmd2.py @@ -3197,7 +3197,8 @@ Script should contain one command per line, just like command would be typed in # Generate a string to clear the prompt and input lines and replace with the alert terminal_str = self._clear_input_lines_str() - terminal_str += alert_msg + '\n' + if alert_msg: + terminal_str += alert_msg + '\n' # Set the new prompt now that _clear_input_lines_str is done using the old prompt if new_prompt is not None: @@ -3230,34 +3231,8 @@ Script should contain one command per line, just like command would be typed in first, which ensures a prompt is onscreen :param new_prompt: what to change the prompt to - :raises RuntimeError if called while another thread holds terminal_lock """ - if not (vt100_support and self.use_rawinput): - return - - # Sanity check that can't fail if self.terminal_lock was acquired before calling this function - if self.terminal_lock.acquire(blocking=False): - - # Generate a string to clear the prompt and input lines - terminal_str = self._clear_input_lines_str() - - # Set the new prompt now that _clear_input_lines_str is done using the old prompt - self.prompt = new_prompt - rl_set_prompt(self.prompt) - - # Print terminal_str to erase the lines - if rl_type == RlType.GNU: - sys.stderr.write(terminal_str) - elif rl_type == RlType.PYREADLINE: - readline.rl.mode.console.write(terminal_str) - - # Redraw the prompt and input lines - rl_force_redisplay() - - self.terminal_lock.release() - - else: - raise RuntimeError("another thread holds terminal_lock") + self.async_alert('', new_prompt) @staticmethod def set_window_title(title: str) -> None: # pragma: no cover |