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****************************
What's New In Python 3.2
****************************
:Author: Raymond Hettinger
:Release: |release|
:Date: |today|
.. $Id$
Rules for maintenance:
* Anyone can add text to this document. Do not spend very much time
on the wording of your changes, because your text will probably
get rewritten to some degree.
* The maintainer will go through Misc/NEWS periodically and add
changes; it's therefore more important to add your changes to
Misc/NEWS than to this file.
* This is not a complete list of every single change; completeness
is the purpose of Misc/NEWS. Some changes I consider too small
or esoteric to include. If such a change is added to the text,
I'll just remove it. (This is another reason you shouldn't spend
too much time on writing your addition.)
* If you want to draw your new text to the attention of the
maintainer, add 'XXX' to the beginning of the paragraph or
section.
* It's OK to just add a fragmentary note about a change. For
example: "XXX Describe the transmogrify() function added to the
socket module." The maintainer will research the change and
write the necessary text.
* You can comment out your additions if you like, but it's not
necessary (especially when a final release is some months away).
* Credit the author of a patch or bugfix. Just the name is
sufficient; the e-mail address isn't necessary.
* It's helpful to add the bug/patch number as a comment:
% Patch 12345
XXX Describe the transmogrify() function added to the socket
module.
(Contributed by P.Y. Developer.)
This saves the maintainer the effort of going through the SVN log
when researching a change.
This article explains the new features in Python 3.2, compared to 3.1.
PEP XXX: Stub
=============
Other Language Changes
======================
Some smaller changes made to the core Python language are:
* Stub
New, Improved, and Deprecated Modules
=====================================
* The previously deprecated :func:`string.maketrans` function has been
removed in favor of the static methods, :meth:`bytes.maketrans` and
:meth:`bytearray.maketrans`. This change solves the confusion around which
types were supported by the :mod:`string` module. Now, :class:`str`,
:class:`bytes`, and :class:`bytearray` each have their own **maketrans** and
**translate** methods with intermediate translation tables of the
appropriate type.
(Contributed by Georg Brandl; :issue:`5675`.)
* The previously deprecated :func:`contextlib.nested` function has been
removed in favor of a plain :keyword:`with` statement which can
accept multiple context managers. The latter technique is faster
(because it is built-in), and it does a better job finalizing multiple
context managers when one of them raises an exception.
(Contributed by Georg Brandl and Mattias Brändström;
`appspot issue 53094 <http://codereview.appspot.com/53094>`_.)
Optimizations
=============
Major performance enhancements have been added:
* Stub
IDLE
====
* Stub
Build and C API Changes
=======================
Changes to Python's build process and to the C API include:
* Stub
Porting to Python 3.2
=====================
This section lists previously described changes and other bugfixes
that may require changes to your code:
* Stub
|
