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

Improvements to exception handling to transport structured tracebacks....

Improvements to exception handling to transport structured tracebacks. This code is still fairly hackish, but we're starting to get there. We still need to improve the api, because right now runlines() does way too much, and I had to set the exception state in a temporary private variable. But client-side things are working better, so we can continue fixing the kernel without bottlenecking Evan.

Brian Granger - - Load All Authors

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             payloadpage.py
        
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      #!/usr/bin/env python

      # encoding: utf-8

      """

      A payload based version of page.

      Authors:

      * Brian Granger

      * Fernando Perez

      """

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

      #  Copyright (C) 2008-2010  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.core.interactiveshell import InteractiveShell

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

      # Classes and functions

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

      def page(strng, start=0, screen_lines=0, pager_cmd=None):

          """Print a string, piping through a pager.

          This version ignores the screen_lines and pager_cmd arguments and uses

          IPython's payload system instead.

          """

          # Some routines may auto-compute start offsets incorrectly and pass a

          # negative value.  Offset to 0 for robustness.

          start = max(0, start)

          shell = InteractiveShell.instance()

          payload = dict(

              source='IPython.zmq.page.page',

              data=strng,

              start_line_number=start

          )

          shell.payload_manager.write_payload(payload)

      def install_payload_page():

          """Install this version of page as IPython.core.page.page."""

          from IPython.core import page as corepage

          corepage.page = page

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				#!/usr/bin/env python
				# encoding: utf-8
				"""
				A payload based version of page.

				Authors:

				* Brian Granger
				* Fernando Perez
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2008-2010 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.core.interactiveshell import InteractiveShell

				#-----------------------------------------------------------------------------
				# Classes and functions
				#-----------------------------------------------------------------------------

				def page(strng, start=0, screen_lines=0, pager_cmd=None):
				"""Print a string, piping through a pager.

				This version ignores the screen_lines and pager_cmd arguments and uses
				IPython's payload system instead.
				"""

				# Some routines may auto-compute start offsets incorrectly and pass a
				# negative value. Offset to 0 for robustness.
				start = max(0, start)
				shell = InteractiveShell.instance()
				payload = dict(
				source='IPython.zmq.page.page',
				data=strng,
				start_line_number=start
				)
				shell.payload_manager.write_payload(payload)

				def install_payload_page():
				"""Install this version of page as IPython.core.page.page."""
				from IPython.core import page as corepage
				corepage.page = page