[Python-checkins] r71139 - python/branches/py3k/Doc/whatsnew/3.1.rst
raymond.hettinger
python-checkins at python.org
Sat Apr 4 13:59:01 CEST 2009
Author: raymond.hettinger
Date: Sat Apr 4 13:59:00 2009
New Revision: 71139
Log:
More notes on 3.1 improvements.
Modified:
python/branches/py3k/Doc/whatsnew/3.1.rst
Modified: python/branches/py3k/Doc/whatsnew/3.1.rst
==============================================================================
--- python/branches/py3k/Doc/whatsnew/3.1.rst (original)
+++ python/branches/py3k/Doc/whatsnew/3.1.rst Sat Apr 4 13:59:00 2009
@@ -88,12 +88,12 @@
returns a dictionary with the values appearing in the same order as the
underlying tuple.count The :mod:`json` module is being built-out with an
*object_pairs_hook* to allow OrderedDicts to be built by the decoder.
-Support was also builtin for third-party tools like PyYAML.
+Support was also added for third-party tools like PyYAML.
.. seealso::
:pep:`372` - Ordered Dictionaries
- PEP written by Armin Roancher and Raymond D. Hettinger; implemented by
+ PEP written by Armin Ronacher and Raymond Hettinger; implemented by
Raymond Hettinger
PEP 378: Format Specifier for Thousands Separator
@@ -211,6 +211,48 @@
(Contributed by Raymond Hettinger.)
+* :class:`collections.deque` objects now have a read-only attribute
+ called *maxlen*.
+
+ (Contributed by Raymond Hettinger.)
+
+* :func:`collections.namedtuple` now supports a keyword argument
+ *rename* which lets invalid fieldnames be automatically converted to
+ positional names in the form _0, _1, etc. This is useful when
+ the field names are being created by an external source such as a
+ CSV header, SQL field list, or user input.
+
+ (Contributed by Raymond Hettinger; :issue:`1818`.)
+
+* :func:`round`(x, n) now returns an integer if *x* is an integer.
+ Previously it returned a float.
+
+ (Contributed by Mark Dickinson; :issue:`4707`.)
+
+* The :func:`re.sub`, :func:`re.subn` and :func:`re.split` functions now
+ accept a flags parameter.
+
+ (Contributed by Gregory Smith.)
+
+* The :mod:`runpy` module which supports the ``-m`` command line switch
+ now supports the execution of packages by looking for and executing
+ a ``__main__`` submodule when a package name is supplied.
+
+ (Contributed by Andi Vajda; :issue:`4195`.)
+
+* The :mod:`pdb` module can now access and display source code loaded via
+ :mod:`zipimport` (or any other conformant :pep:`302` loader).
+
+ (Contributed by Alexander Belopolsky; :issue:`4201`.)
+
+* :class:`functools.partial` objects can now be pickled.
+
+ (Suggested by Antoine Pitrou and Jesse Noller. Implemented by
+ Jack Diedrich; :issue:`5228`.)
+
+XXX Brett Cannon's importlib package
+
+XXX New unittest assert methods
.. ======================================================================
@@ -242,6 +284,19 @@
(Contributed by Antoine Pitrou, :issue:`4688`.)
+* Enabling a configure option named ``--with-computed-gotos``
+ on compilers that support it (notably: gcc, SunPro, icc), the bytecode
+ evaluation loop is compiled with a new dispatch mechanism which gives
+ speedups of up to 20%, depending on the system, on various benchmarks.
+
+ (Contributed by Antoine Pitrou and Jeffrey Yasskin along with a number
+ of other participants, :issue:`4753`).
+
+* The decoding of UTF-8, UTF-16 and LATIN-1 is now two to four times
+ faster.
+
+ (Contributed by Antoine Pitrou and Amaury Forgeot d'Arc, :issue:`4868`.)
+
XXX The JSON module is getting a C extension for speed.
.. ======================================================================
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