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

Addressing review comments....

Addressing review comments. * list_dirs and get_dir_model added to base NBM class. * Calling of list_dirs moved to handler. * type=notebook added to notebook model.

Jonathan Frederic - - Load All Authors

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             widget_image.py
        
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      """ButtonWidget class.  

      Represents a button in the frontend using a widget.  Allows user to listen for

      click events on the button and trigger backend code when the clicks are fired.

      """

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

      # 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

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

      import base64

      from .widget import DOMWidget

      from IPython.utils.traitlets import Unicode, CUnicode, Bytes

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

      # Classes

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

      class ImageWidget(DOMWidget):

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

          # Define the custom state properties to sync with the front-end

          format = Unicode('png', sync=True)

          width = CUnicode(sync=True)

          height = CUnicode(sync=True)

          _b64value = Unicode(sync=True)

          value = Bytes()

          def _value_changed(self, name, old, new):

              self._b64value = base64.b64encode(new)

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				"""ButtonWidget class.

				Represents a button in the frontend using a widget. Allows user to listen for
				click events on the button and trigger backend code when the clicks are fired.
				"""
				#-----------------------------------------------------------------------------
				# 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
				#-----------------------------------------------------------------------------
				import base64

				from .widget import DOMWidget
				from IPython.utils.traitlets import Unicode, CUnicode, Bytes

				#-----------------------------------------------------------------------------
				# Classes
				#-----------------------------------------------------------------------------
				class ImageWidget(DOMWidget):
				_view_name = Unicode('ImageView', sync=True)

				# Define the custom state properties to sync with the front-end
				format = Unicode('png', sync=True)
				width = CUnicode(sync=True)
				height = CUnicode(sync=True)
				_b64value = Unicode(sync=True)

				value = Bytes()
				def _value_changed(self, name, old, new):
				self._b64value = base64.b64encode(new)