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diff --git a/contrib/python/ipython/py3/IPython/core/usage.py b/contrib/python/ipython/py3/IPython/core/usage.py
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-# -*- coding: utf-8 -*-
-"""Usage information for the main IPython applications.
-"""
-#-----------------------------------------------------------------------------
-#  Copyright (C) 2008-2011  The IPython Development Team
-#  Copyright (C) 2001-2007 Fernando Perez. <fperez@colorado.edu>
-#
-#  Distributed under the terms of the BSD License.  The full license is in
-#  the file COPYING, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-import sys
-from IPython.core import release
-
-cl_usage = """\
-=========
- IPython
-=========
-
-Tools for Interactive Computing in Python
-=========================================
-
-    A Python shell with automatic history (input and output), dynamic object
-    introspection, easier configuration, command completion, access to the
-    system shell and more.  IPython can also be embedded in running programs.
-
-
-Usage
-
-    ipython [subcommand] [options] [-c cmd | -m mod | file] [--] [arg] ...
-
-    If invoked with no options, it executes the file and exits, passing the
-    remaining arguments to the script, just as if you had specified the same
-    command with python. You may need to specify `--` before args to be passed
-    to the script, to prevent IPython from attempting to parse them. If you
-    specify the option `-i` before the filename, it will enter an interactive
-    IPython session after running the script, rather than exiting. Files ending
-    in .py will be treated as normal Python, but files ending in .ipy can
-    contain special IPython syntax (magic commands, shell expansions, etc.).
-
-    Almost all configuration in IPython is available via the command-line. Do
-    `ipython --help-all` to see all available options.  For persistent
-    configuration, look into your `ipython_config.py` configuration file for
-    details.
-
-    This file is typically installed in the `IPYTHONDIR` directory, and there
-    is a separate configuration directory for each profile. The default profile
-    directory will be located in $IPYTHONDIR/profile_default. IPYTHONDIR
-    defaults to to `$HOME/.ipython`.  For Windows users, $HOME resolves to
-    C:\\Users\\YourUserName in most instances.
-
-    To initialize a profile with the default configuration file, do::
-
-      $> ipython profile create
-
-    and start editing `IPYTHONDIR/profile_default/ipython_config.py`
-
-    In IPython's documentation, we will refer to this directory as
-    `IPYTHONDIR`, you can change its default location by creating an
-    environment variable with this name and setting it to the desired path.
-
-    For more information, see the manual available in HTML and PDF in your
-    installation, or online at https://ipython.org/documentation.html.
-"""
-
-interactive_usage = """
-IPython -- An enhanced Interactive Python
-=========================================
-
-IPython offers a fully compatible replacement for the standard Python
-interpreter, with convenient shell features, special commands, command
-history mechanism and output results caching.
-
-At your system command line, type 'ipython -h' to see the command line
-options available. This document only describes interactive features.
-
-GETTING HELP
-------------
-
-Within IPython you have various way to access help:
-
-  ?         -> Introduction and overview of IPython's features (this screen).
-  object?   -> Details about 'object'.
-  object??  -> More detailed, verbose information about 'object'.
-  %quickref -> Quick reference of all IPython specific syntax and magics.
-  help      -> Access Python's own help system.
-
-If you are in terminal IPython you can quit this screen by pressing `q`.
-
-
-MAIN FEATURES
--------------
-
-* Access to the standard Python help with object docstrings and the Python
-  manuals. Simply type 'help' (no quotes) to invoke it.
-
-* Magic commands: type %magic for information on the magic subsystem.
-
-* System command aliases, via the %alias command or the configuration file(s).
-
-* Dynamic object information:
-
-  Typing ?word or word? prints detailed information about an object. Certain
-  long strings (code, etc.) get snipped in the center for brevity.
-
-  Typing ??word or word?? gives access to the full information without
-  snipping long strings. Strings that are longer than the screen are printed
-  through the less pager.
-
-  The ?/?? system gives access to the full source code for any object (if
-  available), shows function prototypes and other useful information.
-
-  If you just want to see an object's docstring, type '%pdoc object' (without
-  quotes, and without % if you have automagic on).
-
-* Tab completion in the local namespace:
-
-  At any time, hitting tab will complete any available python commands or
-  variable names, and show you a list of the possible completions if there's
-  no unambiguous one. It will also complete filenames in the current directory.
-
-* Search previous command history in multiple ways:
-
-  - Start typing, and then use arrow keys up/down or (Ctrl-p/Ctrl-n) to search
-    through the history items that match what you've typed so far.
-
-  - Hit Ctrl-r: opens a search prompt. Begin typing and the system searches
-    your history for lines that match what you've typed so far, completing as
-    much as it can.
-
-  - %hist: search history by index.
-
-* Persistent command history across sessions.
-
-* Logging of input with the ability to save and restore a working session.
-
-* System shell with !. Typing !ls will run 'ls' in the current directory.
-
-* The reload command does a 'deep' reload of a module: changes made to the
-  module since you imported will actually be available without having to exit.
-
-* Verbose and colored exception traceback printouts. See the magic xmode and
-  xcolor functions for details (just type %magic).
-
-* Input caching system:
-
-  IPython offers numbered prompts (In/Out) with input and output caching. All
-  input is saved and can be retrieved as variables (besides the usual arrow
-  key recall).
-
-  The following GLOBAL variables always exist (so don't overwrite them!):
-  _i: stores previous input.
-  _ii: next previous.
-  _iii: next-next previous.
-  _ih : a list of all input _ih[n] is the input from line n.
-
-  Additionally, global variables named _i<n> are dynamically created (<n>
-  being the prompt counter), such that _i<n> == _ih[<n>]
-
-  For example, what you typed at prompt 14 is available as _i14 and _ih[14].
-
-  You can create macros which contain multiple input lines from this history,
-  for later re-execution, with the %macro function.
-
-  The history function %hist allows you to see any part of your input history
-  by printing a range of the _i variables. Note that inputs which contain
-  magic functions (%) appear in the history with a prepended comment. This is
-  because they aren't really valid Python code, so you can't exec them.
-
-* Output caching system:
-
-  For output that is returned from actions, a system similar to the input
-  cache exists but using _ instead of _i. Only actions that produce a result
-  (NOT assignments, for example) are cached. If you are familiar with
-  Mathematica, IPython's _ variables behave exactly like Mathematica's %
-  variables.
-
-  The following GLOBAL variables always exist (so don't overwrite them!):
-  _ (one underscore): previous output.
-  __ (two underscores): next previous.
-  ___ (three underscores): next-next previous.
-
-  Global variables named _<n> are dynamically created (<n> being the prompt
-  counter), such that the result of output <n> is always available as _<n>.
-
-  Finally, a global dictionary named _oh exists with entries for all lines
-  which generated output.
-
-* Directory history:
-
-  Your history of visited directories is kept in the global list _dh, and the
-  magic %cd command can be used to go to any entry in that list.
-
-* Auto-parentheses and auto-quotes (adapted from Nathan Gray's LazyPython)
-
-  1. Auto-parentheses
-        
-     Callable objects (i.e. functions, methods, etc) can be invoked like
-     this (notice the commas between the arguments)::
-       
-         In [1]: callable_ob arg1, arg2, arg3
-       
-     and the input will be translated to this::
-       
-         callable_ob(arg1, arg2, arg3)
-       
-     This feature is off by default (in rare cases it can produce
-     undesirable side-effects), but you can activate it at the command-line
-     by starting IPython with `--autocall 1`, set it permanently in your
-     configuration file, or turn on at runtime with `%autocall 1`.
-
-     You can force auto-parentheses by using '/' as the first character
-     of a line.  For example::
-       
-          In [1]: /globals             # becomes 'globals()'
-       
-     Note that the '/' MUST be the first character on the line!  This
-     won't work::
-       
-          In [2]: print /globals    # syntax error
-
-     In most cases the automatic algorithm should work, so you should
-     rarely need to explicitly invoke /. One notable exception is if you
-     are trying to call a function with a list of tuples as arguments (the
-     parenthesis will confuse IPython)::
-       
-          In [1]: zip (1,2,3),(4,5,6)  # won't work
-       
-     but this will work::
-       
-          In [2]: /zip (1,2,3),(4,5,6)
-          ------> zip ((1,2,3),(4,5,6))
-          Out[2]= [(1, 4), (2, 5), (3, 6)]
-
-     IPython tells you that it has altered your command line by
-     displaying the new command line preceded by -->.  e.g.::
-       
-          In [18]: callable list
-          -------> callable (list)
-
-  2. Auto-Quoting
-    
-     You can force auto-quoting of a function's arguments by using ',' as
-     the first character of a line.  For example::
-       
-          In [1]: ,my_function /home/me   # becomes my_function("/home/me")
-
-     If you use ';' instead, the whole argument is quoted as a single
-     string (while ',' splits on whitespace)::
-       
-          In [2]: ,my_function a b c   # becomes my_function("a","b","c")
-          In [3]: ;my_function a b c   # becomes my_function("a b c")
-
-     Note that the ',' MUST be the first character on the line!  This
-     won't work::
-       
-          In [4]: x = ,my_function /home/me    # syntax error
-"""
-
-interactive_usage_min =  """\
-An enhanced console for Python.
-Some of its features are:
-- Tab completion in the local namespace.
-- Logging of input, see command-line options.
-- System shell escape via ! , eg !ls.
-- Magic commands, starting with a % (like %ls, %pwd, %cd, etc.)
-- Keeps track of locally defined variables via %who, %whos.
-- Show object information with a ? eg ?x or x? (use ?? for more info).
-"""
-
-quick_reference = r"""
-IPython -- An enhanced Interactive Python - Quick Reference Card
-================================================================
-
-obj?, obj??      : Get help, or more help for object (also works as
-                   ?obj, ??obj).
-?foo.*abc*       : List names in 'foo' containing 'abc' in them.
-%magic           : Information about IPython's 'magic' % functions.
-
-Magic functions are prefixed by % or %%, and typically take their arguments
-without parentheses, quotes or even commas for convenience.  Line magics take a
-single % and cell magics are prefixed with two %%.
-
-Example magic function calls:
-
-%alias d ls -F   : 'd' is now an alias for 'ls -F'
-alias d ls -F    : Works if 'alias' not a python name
-alist = %alias   : Get list of aliases to 'alist'
-cd /usr/share    : Obvious. cd -<tab> to choose from visited dirs.
-%cd??            : See help AND source for magic %cd
-%timeit x=10     : time the 'x=10' statement with high precision.
-%%timeit x=2**100
-x**100           : time 'x**100' with a setup of 'x=2**100'; setup code is not
-                   counted.  This is an example of a cell magic.
-
-System commands:
-
-!cp a.txt b/     : System command escape, calls os.system()
-cp a.txt b/      : after %rehashx, most system commands work without !
-cp ${f}.txt $bar : Variable expansion in magics and system commands
-files = !ls /usr : Capture system command output
-files.s, files.l, files.n: "a b c", ['a','b','c'], 'a\nb\nc'
-
-History:
-
-_i, _ii, _iii    : Previous, next previous, next next previous input
-_i4, _ih[2:5]    : Input history line 4, lines 2-4
-exec(_i81)       : Execute input history line #81 again
-%rep 81          : Edit input history line #81
-_, __, ___       : previous, next previous, next next previous output
-_dh              : Directory history
-_oh              : Output history
-%hist            : Command history of current session.
-%hist -g foo     : Search command history of (almost) all sessions for 'foo'.
-%hist -g         : Command history of (almost) all sessions.
-%hist 1/2-8      : Command history containing lines 2-8 of session 1.
-%hist 1/ ~2/     : Command history of session 1 and 2 sessions before current.
-%hist ~8/1-~6/5  : Command history from line 1 of 8 sessions ago to
-                   line 5 of 6 sessions ago.
-%edit 0/         : Open editor to execute code with history of current session.
-
-Autocall:
-
-f 1,2            : f(1,2)  # Off by default, enable with %autocall magic.
-/f 1,2           : f(1,2) (forced autoparen)
-,f 1 2           : f("1","2")
-;f 1 2           : f("1 2")
-
-Remember: TAB completion works in many contexts, not just file names
-or python names.
-
-The following magic functions are currently available:
-
-"""
-
-default_banner_parts = ["Python %s\n"%sys.version.split("\n")[0],
-    "Type 'copyright', 'credits' or 'license' for more information\n" ,
-    "IPython {version} -- An enhanced Interactive Python. Type '?' for help.\n".format(version=release.version),
-]
-
-default_banner = ''.join(default_banner_parts)