Python QtInProcessKernelManager.restart_kernel方法代码示例

# 需要导入模块: from IPython.qt.inprocess import QtInProcessKernelManager [as 别名]
# 或者: from IPython.qt.inprocess.QtInProcessKernelManager import restart_kernel [as 别名]

#.........这里部分代码省略.........

    def _handle_kernel_died(self, since_last_heartbeat):
        """Handle the kernel's death (if we do not own the kernel).
        """
        logging.warn("kernel died")
        self.reset()

    def _handle_kernel_info_reply(self, *args, **kwargs):
        pass

    def _handle_kernel_restarted(self, died=True):
        """Notice that the autorestarter restarted the kernel.

        There's nothing to do but show a message.
        """
        logging.warn("kernel restarted")
        self.reset()

    def _handle_execute_result(self, msg):
        """ Handle display hook output.
        """

        logging.debug("execute_result: %s", msg.get('content', ''))
        if not self._hidden and self._is_from_this_session(msg):
            msg_id = msg['parent_header']['msg_id']

            if msg_id not in self._cell_execute_ids:  # Only on the in-process kernel can this happen
                self._result_queue.append(msg)
                return

            (cell, n, pc) = self._cell_execute_ids[msg_id]

            #out = NotebookNode(output_type='display_data')
            for mime, data in msg['content']['data'].items():
                try:
                    attr = self.MIME_MAP[mime]
                except KeyError:
                    raise NotImplementedError('unhandled mime type: %s' % mime)
                #setattr(out, attr, data)

            #cell['outputs'].append(out)

    def _handle_stream(self, msg):
        """ Handle stdout, stderr, and stdin.
        """
        logging.debug("stream: %s", msg.get('content', ''))
        if not self._hidden and self._is_from_this_session(msg):
            logging.info(msg['content']['data'])

    def _handle_shutdown_reply(self, msg):
        """ Handle shutdown signal, only if from other console.
        """
        logging.info("shutdown: %s", msg.get('content', ''))
        restart = msg.get('content', {}).get('restart', False)
        if not self._hidden and not self._is_from_this_session(msg):
            # got shutdown reply, request came from session other than ours
            if restart:
                # someone restarted the kernel, handle it
                self._handle_kernel_restarted(died=False)
            else:
                # kernel was shutdown permanently
                self.exit_requested.emit(self)

    def _handle_status(self, msg):
        """Handle status message"""
        # This is where a busy/idle indicator would be triggered,
        # when we make one.
        state = msg['content'].get('execution_state', '')
        if state == 'starting':
            # kernel started while we were running
            if self._executing:
                self._handle_kernel_restarted(died=True)
        elif state == 'idle':
            pass
        elif state == 'busy':
            pass
    #---------------------------------------------------------------------------
    # 'FrontendWidget' public interface
    #---------------------------------------------------------------------------

    def interrupt_kernel(self):
        """ Attempts to interrupt the running kernel.
        
        Also unsets _reading flag, to avoid runtime errors
        if raw_input is called again.
        """
        self._reading = False
        self.kernel_manager.interrupt_kernel()

    def restart_kernel(self, message, now=False):
        """ Attempts to restart the running kernel.
        """
        # Pause the heart beat channel to prevent further warnings.
        self.kernel_client.hb_channel.pause()
        try:
            self.kernel_manager.restart_kernel(now=now)
        except RuntimeError as e:
            logging.error('Error restarting kernel: %s\n' % e)
        else:
            logging.info("Restarting kernel...\n")

# 需要导入模块: from IPython.qt.inprocess import QtInProcessKernelManager [as 别名]
# 或者: from IPython.qt.inprocess.QtInProcessKernelManager import restart_kernel [as 别名]

#.........这里部分代码省略.........
        self._current_cell['outputs'].append(out)

    def _handle_kernel_died(self, since_last_heartbeat):
        """Handle the kernel's death (if we do not own the kernel).
        """
        logging.warn("kernel died")
        self.reset()

    def _handle_kernel_restarted(self, died=True):
        """Notice that the autorestarter restarted the kernel.

        There's nothing to do but show a message.
        """
        logging.warn("kernel restarted")
        self.reset()

    def _handle_execute_result(self, msg):
        """ Handle display hook output.
        """

        logging.debug("execute_result: %s", msg.get('content', ''))
        if not self._hidden and self._is_from_this_session(msg):
            msg_id = msg['parent_header']['msg_id']

            if msg_id not in self._cell_execute_ids: # Only on the in-process kernel can this happen
                self._result_queue.append(msg)
                return
                 
            (cell, n, pc) = self._cell_execute_ids[msg_id]

            out = NotebookNode(output_type='display_data')
            for mime, data in msg['content']['data'].items():
                try:
                    attr = self.MIME_MAP[mime]
                except KeyError:
                    raise NotImplementedError('unhandled mime type: %s' % mime)

                setattr(out, attr, data)            
            
            cell['outputs'].append(out)

    def _handle_stream(self, msg):
        """ Handle stdout, stderr, and stdin.
        """
        logging.debug("stream: %s", msg.get('content', ''))
        if not self._hidden and self._is_from_this_session(msg):
            logging.info(msg['content']['data'])

    def _handle_shutdown_reply(self, msg):
        """ Handle shutdown signal, only if from other console.
        """
        logging.info("shutdown: %s", msg.get('content', ''))
        restart = msg.get('content', {}).get('restart', False)
        if not self._hidden and not self._is_from_this_session(msg):
            # got shutdown reply, request came from session other than ours
            if restart:
                # someone restarted the kernel, handle it
                self._handle_kernel_restarted(died=False)
            else:
                # kernel was shutdown permanently
                self.exit_requested.emit(self)

    def _handle_status(self, msg):
        """Handle status message"""
        # This is where a busy/idle indicator would be triggered,
        # when we make one.
        state = msg['content'].get('execution_state', '')
        if state == 'starting':
            # kernel started while we were running
            if self._executing:
                self._handle_kernel_restarted(died=True)
        elif state == 'idle':
            pass
        elif state == 'busy':
            pass

    #---------------------------------------------------------------------------
    # 'FrontendWidget' public interface
    #---------------------------------------------------------------------------

    def interrupt_kernel(self):
        """ Attempts to interrupt the running kernel.
        
        Also unsets _reading flag, to avoid runtime errors
        if raw_input is called again.
        """
        self._reading = False
        self.kernel_manager.interrupt_kernel()

    def restart_kernel(self, message, now=False):
        """ Attempts to restart the running kernel.
        """
        # Pause the heart beat channel to prevent further warnings.
        self.kernel_client.hb_channel.pause()
        try:
            self.kernel_manager.restart_kernel(now=now)
        except RuntimeError as e:
            logging.error('Error restarting kernel: %s\n' % e)
        else:
            logging.info("Restarting kernel...\n")