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author | Andrew M. Kuchling <amk@amk.ca> | 2010-03-25 01:35:51 (GMT) |
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committer | Andrew M. Kuchling <amk@amk.ca> | 2010-03-25 01:35:51 (GMT) |
commit | 4a0661b4876b9055f60f579be4272467ba81691e (patch) | |
tree | 4a7415c4680286be48e130cb62cc66997aba9af3 /Doc | |
parent | 4e9830f7ac7fac2e6b53d41edf6d8e1bd8576f4f (diff) | |
download | cpython-4a0661b4876b9055f60f579be4272467ba81691e.zip cpython-4a0661b4876b9055f60f579be4272467ba81691e.tar.gz cpython-4a0661b4876b9055f60f579be4272467ba81691e.tar.bz2 |
Add various items
Diffstat (limited to 'Doc')
-rw-r--r-- | Doc/whatsnew/2.7.rst | 80 |
1 files changed, 66 insertions, 14 deletions
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst index 5733142..7d49121 100644 --- a/Doc/whatsnew/2.7.rst +++ b/Doc/whatsnew/2.7.rst @@ -8,6 +8,9 @@ .. Fix accents on Kristjan Valur Jonsson, Fuerstenau +.. Big jobs: argparse, ElementTree 1.3, pep 391, 3106, sysconfig +.. unittest test discovery + .. $Id$ Rules for maintenance: @@ -237,6 +240,20 @@ PEP 391: Dictionary-Based Configuration For Logging XXX write this section. +Two smaller enhancements to the logging module are: + +.. rev79293 + +* :class:`Logger` instances gained a :meth:`getChild` that retrieves a + descendant logger using a relative path. For example, + once you retrieve a logger by doing ``log = getLogger('app')``, + calling ``log.getChild('network.listen')`` is equivalent to + ``getLogger('app.network.listen')``. + +* The :class:`LoggerAdapter` class gained a :meth:`isEnabledFor` method + that takes a *level* and returns whether the underlying logger would + process a message of that level of importance. + .. seealso:: :pep:`391` - Dictionary-Based Configuration For Logging @@ -351,11 +368,12 @@ Some smaller changes made to the core Python language are: of them -- but you can mix auto-numbering and named fields, as in the second example above. (Contributed by Eric Smith; :issue:`5237`.) - Complex numbers now correctly support usage with :func:`format`. + Complex numbers now correctly support usage with :func:`format`, + and default to being right-aligned. Specifying a precision or comma-separation applies to both the real and imaginary parts of the number, but a specified field width and alignment is applied to the whole of the resulting ``1.5+3j`` - output. (Contributed by Eric Smith; :issue:`1588`.) + output. (Contributed by Eric Smith; :issue:`1588` and :issue:`7988`.) The 'F' format code now always formats its output using uppercase characters, so it will now produce 'INF' and 'NAN'. @@ -406,6 +424,10 @@ Some smaller changes made to the core Python language are: Integer division is also more accurate in its rounding behaviours. (Also implemented by Mark Dickinson; :issue:`1811`.) +* It's now possible for a subclass of the built-in :class:`unicode` type + to override the :meth:`__unicode__` method. (Implemented by + Victor Stinner; :issue:`1583863`.) + * The :class:`bytearray` type's :meth:`translate` method now accepts ``None`` as its first argument. (Fixed by Georg Brandl; :issue:`4759`.) @@ -568,6 +590,14 @@ changes, or look through the Subversion logs for all the details. used with :class:`memoryview` instances and other similar buffer objects. (Backported from 3.x by Florent Xicluna; :issue:`7703`.) +* Updated module: the :mod:`bsddb` module has been updated from 4.7.2devel9 + to version 4.8.4 of + `the pybsddb package <http://www.jcea.es/programacion/pybsddb.htm>`__. + The new version features better Python 3.x compatibility, various bug fixes, + and adds several new BerkeleyDB flags and methods. + (Updated by Jesús Cea Avion; :issue:`8156`. The pybsddb + changelog can be browsed at http://hg.jcea.es/pybsddb/file/tip/ChangeLog.) + * The :mod:`bz2` module's :class:`BZ2File` now supports the context management protocol, so you can write ``with bz2.BZ2File(...) as f: ...``. (Contributed by Hagen Fuerstenau; :issue:`3860`.) @@ -656,6 +686,11 @@ changes, or look through the Subversion logs for all the details. ``Decimal('0.1000000000000000055511151231257827021181583404541015625')``. (Implemented by Raymond Hettinger; :issue:`4796`.) + Most of the methods of the :class:`Context` class now accept integers + as well as :class:`Decimal` instances; the only exceptions are the + :meth:`canonical` and :meth:`is_canonical` methods. (Patch by + Juan José Conti; :issue:`7633`.) + The constructor for :class:`Decimal` now accepts non-European Unicode characters, such as Arabic-Indic digits. (Contributed by Mark Dickinson; :issue:`6595`.) @@ -697,6 +732,12 @@ changes, or look through the Subversion logs for all the details. :mod:`gzip` module will now consume these trailing bytes. (Fixed by Tadek Pietraszek and Brian Curtin; :issue:`2846`.) +* New attribute: the :mod:`hashlib` module now has an :attr:`algorithms` + attribute containing a tuple naming the supported algorithms. + In Python 2.7, ``hashlib.algorithms`` contains + ``('md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512')`` + (Contributed by Carl Chenet; :issue:`7418`.) + * The default :class:`HTTPResponse` class used by the :mod:`httplib` module now supports buffering, resulting in much faster reading of HTTP responses. (Contributed by Kristjan Valur Jonsson; :issue:`4879`.) @@ -803,9 +844,11 @@ changes, or look through the Subversion logs for all the details. the child process; this fixes problems on Solaris when :func:`fork` is called from a thread. (Fixed by Zsolt Cserna; :issue:`7242`.) - The :func:`normpath` function now preserves Unicode; if its input path +* In the :mod:`os.path` module, the :func:`normpath` and + :func:`abspath` functions now preserve Unicode; if their input path is a Unicode string, the return value is also a Unicode string. - (Fixed by Matt Giuca; :issue:`5827`.) + (:meth:`normpath` fixed by Matt Giuca in :issue:`5827`; + :meth:`abspath` fixed by Ezio Melotti in :issue:`3426`.) * The :mod:`pydoc` module now has help for the various symbols that Python uses. You can now do ``help('<<')`` or ``help('@')``, for example. @@ -940,14 +983,13 @@ changes, or look through the Subversion logs for all the details. a timeout was provided and the operation timed out. (Contributed by Tim Lesher; :issue:`1674032`.) -* The Unicode database has been updated to the version 5.2.0. - (Updated by Florent Xicluna; :issue:`8024`.) - -* The Unicode database provided by the :mod:`unicodedata` is used - internally to determine which characters are numeric, whitespace, - or represent line breaks. The database also now includes information - from the :file:`Unihan.txt` data file. (Patch by Anders Chrigström - and Amaury Forgeot d'Arc; :issue:`1571184`.) +* The Unicode database provided by the :mod:`unicodedata` module is + now used internally to determine which characters are numeric, + whitespace, or represent line breaks. The database also + includes information from the :file:`Unihan.txt` data file (patch + by Anders Chrigström and Amaury Forgeot d'Arc; :issue:`1571184`) + and has been updated to version 5.2.0 (updated by + Florent Xicluna; :issue:`8024`). * The :class:`UserDict` class is now a new-style class. (Changed by Benjamin Peterson.) @@ -1074,12 +1116,22 @@ object to run. For example, you can write this:: (Implemented by Antoine Pitrou; :issue:`4444`.) +.. rev 78774 + +Module- and class-level setup and teardown fixtures are now supported. +Modules can contain :func:`setUpModule` and :func:`tearDownModule` +functions. Classes can have :meth:`setUpClass` and +:meth:`tearDownClass` methods that must be defined as class methods +(using ``@classmethod`` or the equivalent). These functions and +methods are invoked when the test runner switches to a test case in a +different module or class. + The methods :meth:`addCleanup` and :meth:`doCleanups` were added. :meth:`addCleanup` allows you to add cleanup functions that will be called unconditionally (after :meth:`setUp` if :meth:`setUp` fails, otherwise after :meth:`tearDown`). This allows -for much simpler resource allocation and deallocation during tests. -:issue:`5679` +for much simpler resource allocation and deallocation during tests +(:issue:`5679`). A number of new methods were added that provide more specialized tests. Many of these methods were written by Google engineers |