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

Be a little smarter about invisible characters in terminal prompts...

Be a little smarter about invisible characters in terminal prompts This is a partial fix to . Previously, only known color codes were considered to be invisible. Now, it looks for any kind of invisible sequence as defined by the \001 \002 delimiters (which is what readline uses). The situation could still be improved, as it still assumes that the number of invisible characters is constant for a given template. Making this work correctly with the existing API is awkward, so I didn't attempt it, especially since the readline frontend may be removed at some point in the near future.

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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 traitlets.config.configurable import Configurable

      from 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 traitlets.config.configurable import Configurable
				from 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 = []