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authorAntoine Pitrou <solipsis@pitrou.net>2013-08-12 18:46:47 (GMT)
committerAntoine Pitrou <solipsis@pitrou.net>2013-08-12 18:46:47 (GMT)
commitf89aa9af3cab6c8e84b74b9ff7ed68d466fbdafd (patch)
treed049d709690e48768d94a7392b593e0d6d23b64a /Doc/whatsnew
parente70f2d588a1a3fb3f7125be3f80813cec43c6204 (diff)
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Add whatsnew entries for 3.4.
Diffstat (limited to 'Doc/whatsnew')
-rw-r--r--Doc/whatsnew/3.4.rst113
1 files changed, 103 insertions, 10 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 0333c11..0ef5c92 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -94,14 +94,21 @@ New library modules:
New built-in features:
-* None yet.
+* :ref:`PEP 442: Safe object finalization <pep-442>`.
+* :ref:`PEP 445: Configurable memory allocators <pep-445>`.
Implementation improvements:
-* A more efficient :mod:`marshal` format <http://bugs.python.org/issue16475>.
+* A more efficient :mod:`marshal` format (:issue:`16475`).
+* Improve finalization of Python modules to avoid setting their globals
+ to None, in most cases (:issue:`18214`).
Significantly Improved Library Modules:
+* Single-dispatch generic functions (:pep:`443`)
+* SHA-3 (Keccak) support for :mod:`hashlib`.
+* TLSv1.1 and TLSv1.2 support for :mod:`ssl`.
+
* SHA-3 (Keccak) support for :mod:`hashlib`.
* TLSv1.1 and TLSv1.2 support for :mod:`ssl`.
@@ -112,6 +119,10 @@ Security improvements:
Please read on for a comprehensive list of user-facing changes.
+.. _pep-445:
+
+PEP 445: Add new APIs to customize Python memory allocators
+===========================================================
PEP 445: Add new APIs to customize Python memory allocators
===========================================================
@@ -147,6 +158,8 @@ Some smaller changes made to the core Python language are:
to specify the value they return if the iterable they are evaluating has no
elements. Contributed by Julian Berman in :issue:`18111`.
+* Module objects are now :mod:`weakref`'able.
+
New Modules
===========
@@ -222,6 +235,26 @@ functools
New :func:`functools.singledispatch` decorator: see the :pep:`443`.
+mmap
+----
+
+mmap objects can now be weakref'ed.
+
+(Contributed by Valerie Lambert in :issue:`4885`.)
+
+
+poplib
+------
+
+New :meth:`~poplib.POP3.stls` method to switch a clear-text POP3 session into
+an encrypted POP3 session.
+
+New :meth:`~poplib.POP3.capa` method to query the capabilities advertised by the
+POP3 server.
+
+(Contributed by Lorenzo Catucci in :issue:`4473`.)
+
+
inspect
-------
@@ -241,18 +274,50 @@ try/except statement by code that only cares whether or not an error occurred.
ssl
---
-TLSv1.1 and TLSv1.2 support (Contributed by Michele Orrù and Antoine Pitrou
-in :issue:`16692`)
+TLSv1.1 and TLSv1.2 support.
+
+(Contributed by Michele Orrù and Antoine Pitrou in :issue:`16692`)
-New diagnostic functions :func:`~ssl.get_default_verify_paths`,
-:meth:`~ssl.SSLContext.cert_store_stats` and
-:meth:`~ssl.SSLContext.get_ca_certs`
+* New diagnostic functions :func:`~ssl.get_default_verify_paths`,
+ :meth:`~ssl.SSLContext.cert_store_stats` and
+ :meth:`~ssl.SSLContext.get_ca_certs`
-Add :func:`ssl.enum_cert_store` to retrieve certificates and CRL from Windows'
-cert store.
+* Add :func:`ssl.enum_cert_store` to retrieve certificates and CRL from Windows'
+ cert store.
(Contributed by Christian Heimes in :issue:`18143`, :issue:`18147` and
-:issue:`17134`)
+ :issue:`17134`.)
+
+Support for server-side SNI using the new
+:meth:`ssl.SSLContext.set_servername_callback` method.
+
+(Contributed by Daniel Black in :issue:`8109`.)
+
+
+struct
+------
+
+Streaming struct unpacking using :func:`struct.iter_unpack`.
+
+(Contributed by Antoine Pitrou in :issue:`17804`.)
+
+
+urllib
+------
+
+Add support.for ``data:`` URLs in :mod:`urllib.request`.
+
+(Contributed by Mathias Panzenböck in :issue:`16423`.)
+
+
+unittest
+--------
+
+Support for easy dynamically-generated subtests using the
+:meth:`~unittest.TestCase.subTest` context manager.
+
+(Contributed by Antoine Pitrou in :issue:`16997`.)
+
wave
----
@@ -263,6 +328,7 @@ plain tuple. (Contributed by Claudiu Popa in :issue:`17487`.)
:meth:`wave.open` now supports the context manager protocol. (Contributed
by Claudiu Popa in :issue:`17616`.)
+
stat
----
@@ -272,6 +338,25 @@ platform-dependent. (Contributed by Christian Heimes in :issue:`11016`.)
The module supports new file types: door, event port and whiteout.
+
+weakref
+-------
+
+New :class:`~weakref.WeakMethod` class simulates weak references to bound
+methods.
+
+(Contributed by Antoine Pitrou in :issue:`14631`.)
+
+
+xml.etree
+---------
+
+Add an event-driven parser for non-blocking applications,
+:class:`~xml.etree.ElementTree.IncrementalParser`.
+
+(Contributed by Antoine Pitrou in :issue:`17782`.)
+
+
colorsys
--------
@@ -280,6 +365,14 @@ been expanded so that they match the FCC NTSC versions. The change in
results should be less than 1% and may better match results found elsewhere.
+Other improvements
+==================
+
+Tab-completion is now enabled by default in the interactive interpreter.
+
+(Contributed by Antoine Pitrou and Éric Araujo in :issue:`5845`.)
+
+
Optimizations
=============