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support for unicode identifiers...
support for unicode identifiers This rewrites some of the regular expressions that are used to match Python identifiers, so that they are unicode compatible. In Python 3, identifiers can contain unicode characters as long as the first character is not numeric. Examples for the changes: • inputtransformer: ``` In [1]: π = 3.14 In [2]: π.is_integer? Object `is_integer` not found. ``` ---------- • namespace: ``` π.is_integ*? ``` or ``` In [1]: %psearch π.is_integ Python identifiers can only contain ascii characters. ``` ---------- • prefilter: ``` %autocall 1 φ = float get_ipython().prefilter("φ 3") # should be 'φ(3)', but returns 'φ 3' ``` ---------- • completerlib: If there is a file e.g. named `π.py` in the current directory, then ``` import IPython IPython.core.completerlib.module_list('.') # should contain module 'π' ```
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()