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Test of simpler way to define ast macros. (#14100)...
Test of simpler way to define ast macros. (#14100) Provide and easier way to generate magics and pre-post hooks This introduce a code base way of modifying the ast. This allow to use Template strings with the two special variable names names `__code__` and `__ret__` allowing to quickly write a magic, or hooks that modify the ast. This also introduce a `%code_wrap` cell magic to on the fly wrap code. It is this easy to for example modify IPython to say time each block of code, or retry them, or wrap them in try/except and analyse the error message, profile... Note that this is not new, but simply convenience function and utilities, especially around hygiene.

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ipython.1
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.\" Hey, EMACS: -*- nroff -*-
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.TH IPYTHON 1 "July 15, 2011"
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.SH NAME
ipython \- Tools for Interactive Computing in Python.
.SH SYNOPSIS
.B ipython
.RI [ options ] " files" ...
.B ipython subcommand
.RI [ options ] ...
.SH DESCRIPTION
An interactive Python shell with automatic history (input and output), dynamic
object introspection, easier configuration, command completion, access to the
system shell, integration with numerical and scientific computing tools,
web notebook, Qt console, and more.
For more information on how to use IPython, see 'ipython \-\-help',
or 'ipython \-\-help\-all' for all available command\(hyline options.
.SH "ENVIRONMENT VARIABLES"
.sp
.PP
\fIIPYTHONDIR\fR
.RS 4
This is the location where IPython stores all its configuration files. The default
is $HOME/.ipython if IPYTHONDIR is not defined.
You can see the computed value of IPYTHONDIR with `ipython locate`.
.SH FILES
IPython uses various configuration files stored in profiles within IPYTHONDIR.
To generate the default configuration files and start configuring IPython,
do 'ipython profile create', and edit '*_config.py' files located in
IPYTHONDIR/profile_default.
.SH AUTHORS
IPython is written by the IPython Development Team <https://github.com/ipython/ipython>.