@@ -253,6 +253,74 @@ class AsyncRunner(BaseRunner):

         end_time = self.end_time if self.task.done() else time.time()

         return end_time - self.start_time

+    def status(self):

+        """Return the runner status as a string.

+

+        The possible statuses are: running, cancelled, failed, and finished.

+        """

+        try:

+            self.task.result()

+        except asyncio.CancelledError:

+            return 'cancelled'

+        except asyncio.InvalidStateError:

+            return 'running'

+        except Exception:

+            return 'failed'

+        else:

+            return 'finished'

+

+    def live_info(self, *, update_interval=0.5):

+        """Display live information about the runner.

+

+        Returns an interactive ipywidget that can be

+        visualized in a Jupyter notebook.

+        """

+        import ipywidgets as widgets

+        from IPython.display import display

+

+        status = widgets.HTML(value=self._info_html())

+

+        cancel = widgets.Button(description='cancel runner',

+                                layout=widgets.Layout(width='100px'))

+        cancel.on_click(lambda _: self.cancel())

+

+        async def update():

+            while not self.task.done():

+                await asyncio.sleep(update_interval)

+                status.value = self._info_html()

+            status.value = self._info_html()

+

+        self.ioloop.create_task(update())

+

+        hbox = widgets.HBox(

+            (status, cancel),

+            description='Runner stats',

+            layout=widgets.Layout(border='solid 1px',

+                                  width='200px',

+                                  align_items='center'),

+        )

+        return display(hbox)

+

+    def _info_html(self):

+        info = [

+            ('status', self.status()),

+            ('elapsed time', datetime.timedelta(seconds=self.elapsed_time())),

+        ]

+

+        try:

+            info.append(('# of points', self.learner.n))

+        except Exception:

+            pass

+

+        template = '<dt>{}</dt><dd>{}</dd>'

+        table = '\n'.join(template.format(k, v) for k, v in info)

+

+        return f'''

+            <dl>

+            {table}

+            </dl>

+        '''

+

     def cancel(self):

         """Cancel the runner.

@@ -12,9 +12,13 @@ install_requires = [

     'jupyter_client>=5.2.2',  # because https://github.com/jupyter/jupyter_client/pull/314

 ]

-extras_require = {'recommended': ['holoviews>=1.9.1',

-                                  'ipyparallel',

-                                  'distributed']}

+extras_require = {

+    'recommended': [

+        'holoviews>=1.9.1',

+        'ipyparallel',

+        'distributed',

+        'ipywidgets',

+    ],

 setup(

     name='adaptive',