Rename get_kernel into get_ipython

ipywidgets/widgets/__init__.py

@@ -7,7 +7,7 @@
 
 from .trait_types import Color, Datetime, NumberFormat
 
-from .kernel import register_target, get_kernel, Comm, display, clear_output
+from .kernel import register_target, get_ipython, Comm, display, clear_output
 
 from .widget_core import CoreWidget
 from .widget_bool import Checkbox, ToggleButton, Valid

ipywidgets/widgets/interaction.py

@@ -20,7 +20,7 @@
 
 from . import (ValueWidget, Text,
     FloatSlider, IntSlider, Checkbox, Dropdown,
-    VBox, Button, DOMWidget, Output, get_kernel, display, clear_output)
+    VBox, Button, DOMWidget, Output, get_ipython, display, clear_output)
 from ipython_genutils.py3compat import string_types, unicode_type
 from traitlets import HasTraits, Any, Unicode, observe
 from numbers import Real, Integral
@@ -251,7 +251,7 @@ def update(self, *args):
                 if self.auto_display and self.result is not None:
                     display(self.result)
         except Exception as e:
-            ip = get_kernel()
+            ip = get_ipython()
             if ip is None:
                 self.log.warn("Exception in interact callback: %s", e, exc_info=True)
             else:

ipywidgets/widgets/kernel.py

@@ -21,4 +21,4 @@ def mock_register(*args, **kwargs):
 else:
     register_target = mock_register
 
-get_kernel = get_ipython
+get_ipython = get_ipython

ipywidgets/widgets/tests/test_widget_output.py

@@ -12,7 +12,7 @@ class TestOutputWidget(TestCase):
     def _mocked_kernel(self, get_kernel, clear_output):
         """ Context manager that monkeypatches get_kernel and clear_output """
         original_clear_output = widget_output.clear_output
-        original_get_kernel = widget_output.get_kernel
+        original_get_kernel = widget_output.get_ipython
         widget_output.get_kernel = get_kernel
         widget_output.clear_output = clear_output
         try:

ipywidgets/widgets/widget.py

@@ -11,7 +11,7 @@
 import collections
 import sys
 
-from .kernel import get_kernel, Comm, display
+from .kernel import get_ipython, Comm, display
 from traitlets.utils.importstring import import_item
 from traitlets import (
     HasTraits, Unicode, Dict, Instance, List, Int, Set, Bytes, observe, default, Container,
@@ -182,7 +182,7 @@ def __call__(self, *args, **kwargs):
             try:
                 local_value = callback(*args, **kwargs)
             except Exception as e:
-                ip = get_kernel()
+                ip = get_ipython()
                 if ip is None:
                     self.log.warning("Exception in callback %s: %s", callback, e, exc_info=True)
                 else:
@@ -213,7 +213,7 @@ def m(self, *args, **kwargs):
         try:
             return(method(self, *args, **kwargs))
         except Exception as e:
-            ip = get_kernel()
+            ip = get_ipython()
             if ip is None:
                 self.log.warning("Exception in widget method %s: %s", method, e, exc_info=True)
             else:

ipywidgets/widgets/widget_output.py

@@ -12,7 +12,7 @@
 from .domwidget import DOMWidget
 from .trait_types import TypedTuple
 from .widget import register
-from .kernel import get_kernel
+from .kernel import get_ipython
 from .._version import __jupyter_widgets_output_version__
 
 from traitlets import Unicode, Dict
@@ -105,13 +105,13 @@ def inner(*args, **kwargs):
     def __enter__(self):
         """Called upon entering output widget context manager."""
         self._flush()
-        ip = get_kernel()
+        ip = get_ipython()
         if ip and hasattr(ip, 'kernel') and hasattr(ip.kernel, '_parent_header'):
             self.msg_id = ip.kernel._parent_header['header']['msg_id']
 
     def __exit__(self, etype, evalue, tb):
         """Called upon exiting output widget context manager."""
-        ip = get_kernel()
+        ip = get_ipython()
         if etype is not None:
             if ip:
                 ip.showtraceback((etype, evalue, tb), tb_offset=0)