upstream/ipython Files · IPython/html/widgets/widget_bool.py

Fix kernel restart in case connection file is deleted....

Fix kernel restart in case connection file is deleted. On Mac, the /tmp files are deleted after 3 days if inactivity, causing qtconsole kernel restart to fail subsequently. This commit adds check to ensure that connection_file is written if it does not exist.

Jonathan Frederic - - Load All Authors

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             widget_bool.py
        
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             / IPython / html / widgets / widget_bool.py
          
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      """BoolWidget class.  

      Represents a boolean using a widget.

      """

      #-----------------------------------------------------------------------------

      # Copyright (c) 2013, the IPython Development Team.

      #

      # Distributed under the terms of the Modified BSD License.

      #

      # The full license is in the file COPYING.txt, distributed with this software.

      #-----------------------------------------------------------------------------

      #-----------------------------------------------------------------------------

      # Imports

      #-----------------------------------------------------------------------------

      from .widget import DOMWidget

      from IPython.utils.traitlets import Unicode, Bool

      #-----------------------------------------------------------------------------

      # Classes

      #-----------------------------------------------------------------------------

      class _BoolWidget(DOMWidget):

          value = Bool(False, help="Bool value", sync=True)

          description = Unicode('', help="Description of the boolean (label).", sync=True) 

          disabled = Bool(False, help="Enable or disable user changes.", sync=True)

      class CheckboxWidget(_BoolWidget):

          _view_name = Unicode('CheckboxView', sync=True)

      class ToggleButtonWidget(_BoolWidget):

          _view_name = Unicode('ToggleButtonView', sync=True)

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				"""BoolWidget class.

				Represents a boolean using a widget.
				"""
				#-----------------------------------------------------------------------------
				# Copyright (c) 2013, the IPython Development Team.
				#
				# Distributed under the terms of the Modified BSD License.
				#
				# The full license is in the file COPYING.txt, distributed with this software.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Imports
				#-----------------------------------------------------------------------------
				from .widget import DOMWidget
				from IPython.utils.traitlets import Unicode, Bool

				#-----------------------------------------------------------------------------
				# Classes
				#-----------------------------------------------------------------------------
				class _BoolWidget(DOMWidget):
				value = Bool(False, help="Bool value", sync=True)
				description = Unicode('', help="Description of the boolean (label).", sync=True)
				disabled = Bool(False, help="Enable or disable user changes.", sync=True)


				class CheckboxWidget(_BoolWidget):
				_view_name = Unicode('CheckboxView', sync=True)


				class ToggleButtonWidget(_BoolWidget):
				_view_name = Unicode('ToggleButtonView', sync=True)