upstream/ipython Files · IPython/core/payload.py

Backport PR : Adapt inline backend to changes in matplotlib...

Backport PR : Adapt inline backend to changes in matplotlib Matplotlib recently merged https://github.com/matplotlib/matplotlib/pull/1125 that makes it simpler to use objective oriented figure creation by automatically creating the right canvas for the backend. To solve that all backends must provide a backend_xxx.FigureCanvas. This is obviosly missing from the inline backend. The change is needed to make the inline backend work with mpl's 1.2.x branch which is due to released soon. Simply setting the default canvas equal to a Agg canvas appears to work for both svg and png figures but I'm not sure weather that is the right approach. Should the canvas depend on the figure format and provide a svg canvas for a svg figure? (Note that before this change to matplotlib the canvas from a plt.figure call seams to be a agg type in all cases) Edit: I made the pull request against 0.13.1 since it would be good to have this in the stable branch for when mpl is released. Just let me know and I can rebase it against master

Matthias BUSSONNIER - - Load All Authors

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      # -*- coding: utf-8 -*-

      """Payload system for IPython.

      Authors:

      * Fernando Perez

      * 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.

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

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

      # Imports

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

      from IPython.config.configurable import Configurable

      from IPython.utils.traitlets import List

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

      # Main payload class

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

      class PayloadManager(Configurable):

          _payload = List([])

          def write_payload(self, data):

              if not isinstance(data, dict):

                  raise TypeError('Each payload write must be a dict, got: %r' % data)

              self._payload.append(data)

          def read_payload(self):

              return self._payload

          def clear_payload(self):

              self._payload = []

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				# -- coding: utf-8 --
				"""Payload system for IPython.

				Authors:

				* Fernando Perez
				* 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.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Imports
				#-----------------------------------------------------------------------------

				from IPython.config.configurable import Configurable
				from IPython.utils.traitlets import List

				#-----------------------------------------------------------------------------
				# Main payload class
				#-----------------------------------------------------------------------------

				class PayloadManager(Configurable):

				_payload = List([])

				def write_payload(self, data):
				if not isinstance(data, dict):
				raise TypeError('Each payload write must be a dict, got: %r' % data)
				self._payload.append(data)

				def read_payload(self):
				return self._payload

				def clear_payload(self):
				self._payload = []