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

fix base64 code in nbformat.v2...

fix base64 code in nbformat.v2 base64 encoding functions were called, but had no effect, because the notebook already has everything as b64-encoded bytestrings, which are valid ascii literals on Python 2. However, the encode/decode logic is actually triggered on Python 3, revealing its errors. This fixes the base64 functions that had no effect to have their intended effect, but does not use them. Rather, it is assumed that bytes objects are already b64-encoded (and thus ascii-safe), which assumption was already made in Python 2.

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             autocall.py
        
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      # encoding: utf-8

      """

      Autocall capabilities for IPython.core.

      Authors:

      * Brian Granger

      * Fernando Perez

      * Thomas Kluyver

      Notes

      -----

      """

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

      #  Copyright (C) 2008-2009  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

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

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

      # Code

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

      class IPyAutocall(object):

          """ Instances of this class are always autocalled

          This happens regardless of 'autocall' variable state. Use this to

          develop macro-like mechanisms.

          """

          _ip = None

          rewrite = True

          def __init__(self, ip=None):

              self._ip = ip

          def set_ip(self, ip):

              """ Will be used to set _ip point to current ipython instance b/f call

              Override this method if you don't want this to happen.

              """

              self._ip = ip

      class ExitAutocall(IPyAutocall):

          """An autocallable object which will be added to the user namespace so that

          exit, exit(), quit or quit() are all valid ways to close the shell."""

          rewrite = False

          def __call__(self):

              self._ip.ask_exit()

      class ZMQExitAutocall(ExitAutocall):

          """Exit IPython. Autocallable, so it needn't be explicitly called.

          Parameters

          ----------

          keep_kernel : bool

            If True, leave the kernel alive. Otherwise, tell the kernel to exit too

            (default).

          """

          def __call__(self, keep_kernel=False):

              self._ip.keepkernel_on_exit = keep_kernel

              self._ip.ask_exit()

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				# encoding: utf-8
				"""
				Autocall capabilities for IPython.core.

				Authors:

				* Brian Granger
				* Fernando Perez
				* Thomas Kluyver

				Notes
				-----
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2008-2009 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
				#-----------------------------------------------------------------------------


				#-----------------------------------------------------------------------------
				# Code
				#-----------------------------------------------------------------------------

				class IPyAutocall(object):
				""" Instances of this class are always autocalled

				This happens regardless of 'autocall' variable state. Use this to
				develop macro-like mechanisms.
				"""
				_ip = None
				rewrite = True
				def __init__(self, ip=None):
				self._ip = ip

				def set_ip(self, ip):
				""" Will be used to set _ip point to current ipython instance b/f call

				Override this method if you don't want this to happen.

				"""
				self._ip = ip


				class ExitAutocall(IPyAutocall):
				"""An autocallable object which will be added to the user namespace so that
				exit, exit(), quit or quit() are all valid ways to close the shell."""
				rewrite = False

				def __call__(self):
				self._ip.ask_exit()

				class ZMQExitAutocall(ExitAutocall):
				"""Exit IPython. Autocallable, so it needn't be explicitly called.

				Parameters
				----------
				keep_kernel : bool
				If True, leave the kernel alive. Otherwise, tell the kernel to exit too
				(default).
				"""
				def __call__(self, keep_kernel=False):
				self._ip.keepkernel_on_exit = keep_kernel
				self._ip.ask_exit()