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Andrew M. Kuchling 2010-05-01 01:19:16 +00:00
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Doc/whatsnew/2.7.rst
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@ -8,7 +8,7 @@
.. Fix accents on Kristjan Valur Jonsson, Fuerstenau
.. Big jobs: ElementTree 1.3, pep 391, sysconfig
.. Big jobs: ElementTree 1.3, pep 391, sysconfig, memoryview
.. unittest test discovery
.. hyperlink all the methods & functions.
@ -615,6 +615,10 @@ Some smaller changes made to the core Python language are:
(Contributed by Amaury Forgeot d'Arc, after a suggestion by
George Sakkis; :issue:`5982`.)
* When a restricted set of attributes were set using ``__slots__``,
deleting an unset attribute would not raise :exc:`AttributeError`
as you would expect. Fixed by Benjamin Peterson; :issue:`7604`.)
* A new encoding named "cp720", used primarily for Arabic text, is now
supported. (Contributed by Alexander Belchenko and Amaury Forgeot
d'Arc; :issue:`1616979`.)
@ -1012,6 +1016,13 @@ changes, or look through the Subversion logs for all the details.
giving the source address that will be used for the connection.
(Contributed by Eldon Ziegler; :issue:`3972`.)
* The :mod:`ihooks` module now supports relative imports. Note that
:mod:`ihooks` is an older module used to support customizing imports,
superseded by the :mod:`imputil` module added in Python 2.0.
(Relative import support added by Neil Schemenauer.)
.. revision 75423
* The :mod:`imaplib` module now supports IPv6 addresses.
(Contributed by Derek Morr; :issue:`1655`.)
@ -1314,6 +1325,12 @@ changes, or look through the Subversion logs for all the details.
* The :class:`~UserDict.UserDict` class is now a new-style class. (Changed by
Benjamin Peterson.)
* New class: the :class:`~weakref.WeakSet` class in the :mod:`weakref`
module is a set that only holds weak references to its elements; elements
will be removed once there are no references pointing to them.
(Originally implemented in Python 3.x by Raymond Hettinger, and backported
to 2.7 by Michael Foord.)
* The ElementTree library, :mod:`xml.etree`, no longer escapes
ampersands and angle brackets when outputting an XML processing
instruction (which looks like ``<?xml-stylesheet href="#style1"?>``)
@ -1677,6 +1694,11 @@ Changes to Python's build process and to the C API include:
.. XXX these macros don't seem to be described in the c-api docs.
* Removed function: :cmacro:`PyEval_CallObject` is now only available
as a macro. A function version was being kept around to preserve
ABI linking compatibility, but that was in 1997; it can certainly be
deleted. (Removed by Antoine Pitrou; :issue:`8276`.)
* New format codes: the :cfunc:`PyFormat_FromString`,
:cfunc:`PyFormat_FromStringV`, and :cfunc:`PyErr_Format` now
accepts ``%lld`` and ``%llu`` format codes for displaying values of
@ -1855,10 +1877,9 @@ that may require changes to your code:
affects new-style classes (derived from :class:`object`) and C extension
types. (:issue:`6101`.)
* The :meth:`readline` method of :class:`StringIO` objects now does
nothing when a negative length is requested, as other file-like
objects do. (:issue:`7348`).
* When a restricted set of attributes were set using ``__slots__``,
deleting an unset attribute would not raise :exc:`AttributeError`
as you would expect. Fixed by Benjamin Peterson; :issue:`7604`.)
In the standard library:
@ -1880,6 +1901,10 @@ In the standard library:
or comment (which looks like `<!-- comment -->`).
(Patch by Neil Muller; :issue:`2746`.)
* The :meth:`readline` method of :class:`StringIO` objects now does
nothing when a negative length is requested, as other file-like
objects do. (:issue:`7348`).
* The :mod:`syslog` module will now use the value of ``sys.argv[0]`` as the
identifier instead of the previous default value of ``'python'``.
(Changed by Sean Reifschneider; :issue:`8451`.)