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allowing widet id to be set externally

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Sylvain Corlay 2014-08-01 23:16:02 -04:00 committed by Sylvain Corlay
parent 8513f673e3
commit f9fa4ada06
1 changed files with 6 additions and 2 deletions
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8
IPython/html/widgets/widget.py
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@ -119,6 +119,7 @@ class Widget(LoggingConfigurable):
#-------------------------------------------------------------------------
def __init__(self, **kwargs):
"""Public constructor"""
self._model_id = kwargs.pop('model_id', None)
super(Widget, self).__init__(**kwargs)
self.on_trait_change(self._handle_property_changed, self.keys)
@ -136,8 +137,11 @@ class Widget(LoggingConfigurable):
def open(self):
"""Open a comm to the frontend if one isn't already open."""
if self.comm is None:
# Create a comm.
self.comm = Comm(target_name=self._model_name)
if self._model_id is None:
self.comm = Comm(target_name=self._model_name)
self._model_id = self.model_id
else:
self.comm = Comm(target_name=self._model_name, comm_id=self._model_id)
self.comm.on_msg(self._handle_msg)
Widget.widgets[self.model_id] = self