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Move most readline code from InteractiveShell to terminal subclass...
Move most readline code from InteractiveShell to terminal subclass This is the first stage of my effort to use prompt_toolkit for the terminal interface. My plan is to create a new subclass of InteractiveShell which deals with the terminal using prompt_toolkit instead of readline. To facilitate this, I am first trying to separate as much of the readline code as possible out of InteractiveShell to the TerminalInteractiveShell subclass (I don't intend the new subclass to inherit from TIS). I haven't moved any of the config options relating to readline yet, because moving them will break some people's existing config files. But if we're switching to prompt_toolkit by default, readline related config is going to be broken anyway.
Matthias BUSSONNIER - - Load All Authors

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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) 2008-2011 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
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# 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()