upstream/ipython Files · IPython/utils/importstring.py

This feature was discussed in , but it doesn't look like anything was ever incorporated into the IPython Notebook....

This feature was discussed in , but it doesn't look like anything was ever incorporated into the IPython Notebook. Here's a brief overview of the changes: - Display of messages from other clients can be toggled on and off from within a notebook, either using the ``<M-m>e`` keyboard shortcut in the web UI, or through the option in the "Kernel" menu. - notebook.js controls whether messages are displayed through a callback that is invoked from kernel.js when no callbacks are available for a message. - The UI displays ``execute_input`` messages originating from an other clients in new cells at the end of the notebook. Output messages (``execute_result`` et al.) will only be displayed if a cell exists with a matching message ID. Pending design questions: - Should each ``execute_input`` message cause a new cell to be created? - Should new cells be placed at the end of the notebook, or elsewhere? If the latter, what criteria should be followed?

Fernando Perez - - Load All Authors

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      # encoding: utf-8

      """

      A simple utility to import something by its string name.

      Authors:

      * Brian Granger

      """

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

      #  Copyright (C) 2008-2011  The IPython Development Team

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING, distributed as part of this software.

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

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

      # Functions and classes

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

      def import_item(name):

          """Import and return ``bar`` given the string ``foo.bar``.

          Calling ``bar = import_item("foo.bar")`` is the functional equivalent of

          executing the code ``from foo import bar``.

          Parameters

          ----------

          name : string

            The fully qualified name of the module/package being imported.

          Returns

          -------

          mod : module object

             The module that was imported.

          """

          parts = name.rsplit('.', 1)

          if len(parts) == 2:

              # called with 'foo.bar....'

              package, obj = parts

              module = __import__(package, fromlist=[obj])

              try:

                  pak = module.__dict__[obj]

              except KeyError:

                  raise ImportError('No module named %s' % obj)

              return pak

          else:

              # called with un-dotted string

              return __import__(parts[0])

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				# encoding: utf-8
				"""
				A simple utility to import something by its string name.

				Authors:

				* Brian Granger
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2008-2011 The IPython Development Team
				#
				# Distributed under the terms of the BSD License. The full license is in
				# the file COPYING, distributed as part of this software.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Functions and classes
				#-----------------------------------------------------------------------------

				def import_item(name):
				"""Import and return ``bar`` given the string ``foo.bar``.

				Calling ``bar = import_item("foo.bar")`` is the functional equivalent of
				executing the code ``from foo import bar``.

				Parameters
				----------
				name : string
				The fully qualified name of the module/package being imported.

				Returns
				-------
				mod : module object
				The module that was imported.
				"""

				parts = name.rsplit('.', 1)
				if len(parts) == 2:
				# called with 'foo.bar....'
				package, obj = parts
				module = __import__(package, fromlist=[obj])
				try:
				pak = module.__dict__[obj]
				except KeyError:
				raise ImportError('No module named %s' % obj)
				return pak
				else:
				# called with un-dotted string
				return __import__(parts[0])