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

Remove EventManager reset methods, because they violate encapsulation....

Remove EventManager reset methods, because they violate encapsulation. The whole idea of the EventManager is that you can register hooks without worrying about what hooks other pieces of code might be registering. The reset methods violate this separation of concerns, since they will blow away everyone else's hooks too. (See gh-6680 for an example of this breaking things.) Since there is never any safe way to use them, we simply remove them entirely.

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             notebook.py
        
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             / IPython / nbconvert / exporters / notebook.py
          
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      """NotebookExporter class"""

      # Copyright (c) IPython Development Team.

      # Distributed under the terms of the Modified BSD License.

      from .exporter import Exporter

      from IPython.nbformat import current as nbformat

      from IPython.utils.traitlets import Enum

      class NotebookExporter(Exporter):

          """Exports to an IPython notebook."""

          nbformat_version = Enum(list(range(2, nbformat.current_nbformat + 1)),

              default_value=nbformat.current_nbformat,

              config=True,

              help="""The nbformat version to write.

              Use this to downgrade notebooks.

              """

          )

          def _file_extension_default(self):

              return 'ipynb'

          output_mimetype = 'application/json'

          def from_notebook_node(self, nb, resources=None, **kw):

              nb_copy, resources = super(NotebookExporter, self).from_notebook_node(nb, resources, **kw)

              if self.nbformat_version != nbformat.current_nbformat:

                  resources['output_suffix'] = '.v%i' % self.nbformat_version

              else:

                  resources['output_suffix'] = '.nbconvert'

              output = nbformat.writes(nb_copy, version=self.nbformat_version)

              return output, resources

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				"""NotebookExporter class"""

				# Copyright (c) IPython Development Team.
				# Distributed under the terms of the Modified BSD License.

				from .exporter import Exporter
				from IPython.nbformat import current as nbformat
				from IPython.utils.traitlets import Enum

				class NotebookExporter(Exporter):
				"""Exports to an IPython notebook."""

				nbformat_version = Enum(list(range(2, nbformat.current_nbformat + 1)),
				default_value=nbformat.current_nbformat,
				config=True,
				help="""The nbformat version to write.
				Use this to downgrade notebooks.
				"""
				)
				def _file_extension_default(self):
				return 'ipynb'

				output_mimetype = 'application/json'

				def from_notebook_node(self, nb, resources=None, **kw):
				nb_copy, resources = super(NotebookExporter, self).from_notebook_node(nb, resources, **kw)
				if self.nbformat_version != nbformat.current_nbformat:
				resources['output_suffix'] = '.v%i' % self.nbformat_version
				else:
				resources['output_suffix'] = '.nbconvert'
				output = nbformat.writes(nb_copy, version=self.nbformat_version)
				return output, resources