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

Backport PR : Add support for PyQt5....

Backport PR : Add support for PyQt5. This PR adds the new `QT_API_PYQT5` to `IPython/external/qt_loaders.py ` and allows to embed the IPython console in Qt5 Applications. In case of PyQt5, the loader returns a union of `PyQt5.QtGui` and `PyQt5.QtWidgets` acting as a Qt4-QtGui compatibility module. One small fix to `InProcessChannel.__init__` was necessary though. For some reason, when constructing `QtInProcessShellChannel`, the `QtCore.QObject.__init__` initializer from `SuperQObject` indirectly calls the `InProcessChannel.__init__` function, which doesn't have a default constructor and thus fails. I assume this has something to do with the metaclass/multiple inheritance approach IPython uses on QObject. Adding a default value for `client` in `InProcessChannel.__init__` solved the problem for me.

Thomas Kluyver - - Load All Authors

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             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)