+++++++++++ Python News +++++++++++ (editors: check NEWS.help for information about editing NEWS using ReST.) What's New in Python 2.6.4 final? ================================= *Release date: 25-Oct-2009* Core and Builtins ----------------- Library ------- What's New in Python 2.6.4rc2? ============================== *Release date: 18-Oct-2009* Core and Builtins ----------------- Library ------- - Issue #7115: Fixed the extension module builds that is failing when using paths in the extension name instead of dotted names. - Issue #7120: logging: Removed import of multiprocessing which is causing crash in GAE. - Issue #7149: fix exception in urllib when detecting proxy settings on OSX. What's New in Python 2.6.4rc1? ============================== *Release date: 07-Oct-2009* Core and Builtins ----------------- - Issue #7019: Raise ValueError when unmarshalling bad long data, instead of producing internally inconsistent Python longs. Library ------- - Issue #7068: Fixed the partial renaming that occured in r72594. - Issue #7064: Fixed the incompatibility with Setuptools in distutils when running the build_ext command. - Issue #7052: Removed nonexisting NullHandler from logging.__all__. - Issue #7039: Fixed distutils.tests.test_sysconfig when running on installation with no build. Tests ----- - Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6. What's New in Python 2.6.3 ========================== *Release date: 02-Oct-2009* What's New in Python 2.6.3rc1 ============================= *Release date: 29-Sep-2009* Core and Builtins ----------------- - Issue #5329: Fix os.popen* regression from 2.5 with commands as a sequence running through the shell. Patch by Jean-Paul Calderone and Jani Hakala. - Issue #6990: Fix threading.local subclasses leaving old state around after a reference cycle GC which could be recycled by new locals. - Issue #6922: Fix an infinite loop when trying to decode an invalid UTF-32 stream with a non-raising error handler like "replace" or "ignore". - Issue #1590864: Fix potential deadlock when mixing threads and fork(). - Issue #6844: Do not emit DeprecationWarnings when accessing a "message" attribute on exceptions that was set explicitly. - Issue #6846: Fix bug where bytearray.pop() returns negative integers. - Issue #6707: dir() on an uninitialized module caused a crash. - Issue #6540: Fixed crash for bytearray.translate() with invalid parameters. - Issue #6573: set.union() stopped processing inputs if an instance of self occurred in the argument chain. - Issue #6070: On posix platforms import no longer copies the execute bit from the .py file to the .pyc file if it is set. - Issue #4547: When debugging a very large function, it was not always possible to update the lineno attribute of the current frame. - Issue #4618: When unicode arguments are passed to print(), the default separator and end should be unicode also. - Issue #6119: Fixed a incorrect Py3k warning about order comparisons of builtin functions and methods. - Issue #5330: C functions called with keyword arguments were not reported by the various profiling modules (profile, cProfile). Patch by Hagen F??rstenau. - Issue #6089: str.format can raise SystemError with certain invalid field specifiers. - Issue #5994: the marshal module now has docstrings. - Issue #5981: Fix two minor inf/nan issues in float.fromhex: (1) inf and nan strings with trailing whitespace were incorrectly rejected and (2) the interpretation of fromhex('-nan') didn't match that of float('-nan'). - Issue #5890: in subclasses of 'property' the __doc__ attribute was shadowed by classtype's, even if it was None. property now inserts the __doc__ into the subclass instance __dict__. - Issue #5724: (See also issue #4575.) Fix Py_IS_INFINITY macro to work correctly on x87 FPUs: it now forces its argument to double before testing for infinity. - Issue #4971: Fix titlecase for characters that are their own titlecase, but not their own uppercase. - Issue #5829: complex('1e-500') no longer raises an exception - Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on some builtin types. - Issue #5283: Setting __class__ in __del__ caused a segfault. - Issue #5759: float() didn't call __float__ on str subclasses. - Issue #5108: Handle %s like %S and %R in PyUnicode_FromFormatV(): Call PyUnicode_DecodeUTF8() once, remember the result and output it in a second step. This avoids problems with counting UTF-8 bytes that ignores the effect of using the replace error handler in PyUnicode_DecodeUTF8(). Library ------- - Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment - Issue #6790: Make it possible again to pass an `array.array` to `httplib.HTTPConnection.send`. Patch by Kirk McDonald. - Issue #6236, #6348: Fix various failures in the `io` module under AIX and other platforms, when using a non-gcc compiler. Patch by egreen. - Issue #6851: Fix urllib.urlopen crash on secondairy threads on OSX 10.6 - Issue #6947: Fix distutils test on windows. Patch by Hirokazu Yamamoto. - Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...) does now always result in NULL. - Issue #5042: ctypes Structure sub-subclass does now initialize correctly with base class positional arguments. - Issue #6938: Fix a TypeError in string formatting of a multiprocessing debug message. - Issue #6635: Fix profiler printing usage message. - Issue #6795: int(Decimal('nan')) now raises ValueError instead of returning NaN or raising InvalidContext. Also, fix infinite recursion in long(Decimal('nan')). - Issue #6850: Fix bug in Decimal._parse_format_specifier for formats with no type specifier. - Issue #4937: plat-mac/bundlebuilder revers to non-existing version.plist - Issue #6838: Use a list to accumulate the value instead of repeatedly concatenating strings in httplib's HTTPResponse._read_chunked providing a significant speed increase when downloading large files servend with a Transfer-Encoding of 'chunked'. - Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN payloads are now ordered by integer value rather than lexicographically. - Issue #6117: Fix O(n**2) performance degradation when outputting lots of small data on a buffered socket.socket.makefile() object. - Issue #6637: defaultdict.copy() did not work when the default factory was left unspecified. Also, the eval/repr round-trip would fail when the default_factory was None. - Issue #1424152: Fix for httplib, urllib2 to support SSL while working through proxy. Original patch by Christopher Li, changes made by Senthil Kumaran. - Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was unconditionally calling "os.close(sys.stdin.fileno())" resulting in file descriptor errors - Issue #6415: Fixed warnings.warn sagfault on bad formatted string. - Issue #6344: Fixed a crash of mmap.read() when passed a negative argument. - Issue #5230: pydoc would report no documentation found if a module generated a 'not found' import error when loaded; it now reports the import errors. Thanks to Lucas Prado Melo for initial fix and collaboration on the tests. - Issue #6274: Fixed possible file descriptors leak in subprocess.py - Issue #6271: mmap tried to close invalid file handle (-1) when annonymous. (On Unix) - Issue #6258: Support AMD64 in bdist_msi. - Issue #5262: Fixed bug in next rollover time computation in TimedRotatingFileHandler. - Issue #6121: pydoc now ignores leading and trailing spaces in the argument to the 'help' function. - Issue #6050: Don't fail extracting a directory from a zipfile if the directory already exists. - collections.namedtuple() was not working with the following field names: cls, self, tuple, itemgetter, and property. - Issue #1309352: fcntl now converts its third arguments to a C `long` rather than an int, which makes some operations possible under 64-bit Linux (e.g. DN_MULTISHOT with F_NOTIFY). - Issue #1983: Fix functions taking or returning a process identifier to use the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have a process identifier type wider than the standard C integer type. - Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket. Patch by Farhan Ahmad, test by Marcin Bachry. - Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr. - Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr. - Issue #5971: StreamHandler.handleError now swallows IOErrors which occur when trying to print a traceback. - Issue 5955: aifc's close method did not close the file it wrapped, now it does. This also means getfp method now returns the real fp. - Issue #4875: On win32, ctypes.util.find_library does no longer return directories. - Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when extracting a file to the root directory. - Issue #2245: aifc now skips chunk types it doesn't recognize, per spec. - Issue #4305: ctypes should now build again on mipsel-linux-gnu - Issue #5853: calling a function of the mimetypes module from several threads at once could hit the recursion limit if the mimetypes database hadn't been initialized before. - Issue #5041: ctypes does now allow pickling wide character. - Issue #5768: Fixed bug in Unicode output logic and test case for same. - Issue #1161031: fix readwrite select flag han...
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