upstream/ipython Files · IPython/nbconvert/exporters/slides.py

Handle kernel messages synchronously...

Handle kernel messages synchronously A problem can happen when two messages come in for different comms, where the second depends on the first (for example, the first might be a message setting the state of a widget, and the second triggering a view creation for the widget). Since comm message queues are independent of each other, the second message could be executed before the first message. This exposes a more fundamental assumption users are likely to have that messages from python are processed synchronously. Thanks to @dmadeka for reporting an error that led to discovering this issue.

Thomas Kluyver - - Load All Authors

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             slides.py
        
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      """HTML slide show Exporter class"""

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

      # 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 IPython.nbconvert import preprocessors

      from IPython.config import Config

      from .html import HTMLExporter

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

      # Classes

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

      class SlidesExporter(HTMLExporter):

          """Exports HTML slides with reveal.js"""

          def _file_extension_default(self):

              return '.slides.html'

          def _template_file_default(self):

              return 'slides_reveal'

          output_mimetype = 'text/html'

          @property

          def default_config(self):

              c = Config({

                  'RevealHelpPreprocessor': {

                      'enabled': True,

                      },

                  })

              c.merge(super(SlidesExporter,self).default_config)

              return c

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				"""HTML slide show Exporter class"""

				#-----------------------------------------------------------------------------
				# 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 IPython.nbconvert import preprocessors
				from IPython.config import Config

				from .html import HTMLExporter

				#-----------------------------------------------------------------------------
				# Classes
				#-----------------------------------------------------------------------------

				class SlidesExporter(HTMLExporter):
				"""Exports HTML slides with reveal.js"""

				def _file_extension_default(self):
				return '.slides.html'

				def _template_file_default(self):
				return 'slides_reveal'

				output_mimetype = 'text/html'

				@property
				def default_config(self):
				c = Config({
				'RevealHelpPreprocessor': {
				'enabled': True,
				},
				})
				c.merge(super(SlidesExporter,self).default_config)
				return c