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Make post-execution happen at the cell instead of the block level....
Make post-execution happen at the cell instead of the block level. This was the original intent of the design, and it's necessary if we want post-execute functions to be used to pick up things like figures at the end of an entire cell, rather than multiple times per cell (which defeats the purpose of the whole design).
Erik Tollerud - - Load All Authors

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quitter.py
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# coding: utf-8
"""
A simple class for quitting IPython.
Authors
-------
* Fernando Perez
* Brian Granger
"""
#-----------------------------------------------------------------------------
# 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 Quitter(object):
"""Simple class to handle exit, similar to Python 2.5's.
It handles exiting in an ipython-safe manner, which the one in Python 2.5
doesn't do (obviously, since it doesn't know about ipython)."""
def __init__(self, shell, name):
self.shell = shell
self.name = name
def __str__(self):
return 'Type %s() to exit.' % self.name
def __call__(self):
self.shell.ask_exit()
# Repr MUST return a string, else display like pprint hooks get confused
def __repr__(self):
self.shell.ask_exit()
return ''