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

load the per kernel kernel.js and kernel.css...

load the per kernel kernel.js and kernel.css As per discussion, each kernel can provide a file name kernel.js that we try to load at kernel switching. If such a file exist we assume that the kernel pathches the javasscript and that this javascript cannot be unpatched, and further switching of the kernel cannot be undone without reloading the page. (separate PR for UI) if a kernel provide kernel.js, the it should consist into a AMD module definition that uses require.js the module shoudl define a function name `onload` that will be called at the appropriate moment before the kernel starts.

Pablo de Oliveira - - 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, single=True):

              """Include or update the specified `data` payload in the PayloadManager.

              If a previous payload with the same source exists and `single` is True,

              it will be overwritten with the new one.

              """

              if not isinstance(data, dict):

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

              if single and 'source' in data:

                  source = data['source']

                  for i, pl in enumerate(self._payload):

                      if 'source' in pl and pl['source'] == source:

                          self._payload[i] = data

                          return

              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, single=True):
				"""Include or update the specified `data` payload in the PayloadManager.

				If a previous payload with the same source exists and `single` is True,
				it will be overwritten with the new one.
				"""

				if not isinstance(data, dict):
				raise TypeError('Each payload write must be a dict, got: %r' % data)

				if single and 'source' in data:
				source = data['source']
				for i, pl in enumerate(self._payload):
				if 'source' in pl and pl['source'] == source:
				self._payload[i] = data
				return

				self._payload.append(data)

				def read_payload(self):
				return self._payload

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