Use output widget with interact

IPython/html/widgets/interaction.py

@@ -14,7 +14,7 @@ from inspect import getcallargs
 from IPython.core.getipython import get_ipython
 from IPython.html.widgets import (Widget, Text,
     FloatSlider, IntSlider, Checkbox, Dropdown,
-    Box, Button, DOMWidget)
+    Box, Button, DOMWidget, Output)
 from IPython.display import display, clear_output
 from IPython.utils.py3compat import string_types, unicode_type
 from IPython.utils.traitlets import HasTraits, Any, Unicode
@@ -204,29 +204,34 @@ def interactive(__interact_f, **kwargs):
     if manual:
         manual_button = Button(description="Run %s" % f.__name__)
         c.append(manual_button)
+
+    # Use an output widget to capture the output of interact.
+    output = Output()
+    c.append(output)
     container.children = c
 
     # Build the callback
     def call_f(name=None, old=None, new=None):
-        container.kwargs = {}
-        for widget in kwargs_widgets:
-            value = widget.value
-            container.kwargs[widget._kwarg] = value
-        if co:
-            clear_output(wait=True)
-        if manual:
-            manual_button.disabled = True
-        try:
-            container.result = f(**container.kwargs)
-        except Exception as e:
-            ip = get_ipython()
-            if ip is None:
-                container.log.warn("Exception in interact callback: %s", e, exc_info=True)
-            else:
-                ip.showtraceback()
-        finally:
+        with output:
+            container.kwargs = {}
+            for widget in kwargs_widgets:
+                value = widget.value
+                container.kwargs[widget._kwarg] = value
+            if co:
+                clear_output(wait=True)
             if manual:
-                manual_button.disabled = False
+                manual_button.disabled = True
+            try:
+                container.result = f(**container.kwargs)
+            except Exception as e:
+                ip = get_ipython()
+                if ip is None:
+                    container.log.warn("Exception in interact callback: %s", e, exc_info=True)
+                else:
+                    ip.showtraceback()
+            finally:
+                if manual:
+                    manual_button.disabled = False
 
     # Wire up the widgets
     # If we are doing manual running, the callback is only triggered by the button