Method sigint_handler

cmd2/cmd2.py:2770–2794

Signal handler for SIGINTs which typically come from Ctrl-C events. If you need custom SIGINT behavior, then override this method. :param signum: signal number :param frame: the current stack frame or None

(
        self,
        signum: int,  # noqa: ARG002
        frame: FrameType | None,  # noqa: ARG002
    )

        return [topic for topic in all_topics if topic not in self.hidden_commands and topic not in self.disabled_commands]

    def sigint_handler(
        self,
        signum: int,  # noqa: ARG002
        frame: FrameType | None,  # noqa: ARG002
    ) -> None:
        """Signal handler for SIGINTs which typically come from Ctrl-C events.

        If you need custom SIGINT behavior, then override this method.

        :param signum: signal number
        :param frame: the current stack frame or None
        """
        if self._cur_pipe_proc_reader is not None:
            # Pass the SIGINT to the current pipe process
            self._cur_pipe_proc_reader.send_sigint()

        # Check if we are allowed to re-raise the KeyboardInterrupt
        if not self.sigint_protection:
            raise_interrupt = True
            if self.current_command is not None:
                command_set = self.find_commandset_for_command(self.current_command.command)
                if command_set is not None:
                    raise_interrupt = not command_set.sigint_handler()
            if raise_interrupt:
                self._raise_keyboard_interrupt()

    def termination_signal_handler(self, signum: int, _: FrameType | None) -> None:
        """Signal handler for SIGHUP and SIGTERM. Only runs on Linux and Mac.