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(editors: check NEWS.help for information about editing NEWS using ReST.)
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What's New in Python 2.6.5 rc 2?
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================================
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*Release date: 2010-03-09*
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- Issue #8089: a OS X framework build with --with-universal-archs=3-way|intel
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had no way to select a 32-bit executable.
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- Issue #8084: fixes build issues on OSX 10.6 when targetting OSX 10.4.
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- Reverting the changes made in r78432. Discussed in the tracker issue #7540.
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- Issue #7670: sqlite3: Fixed crashes when operating on closed connections.
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- Issue #8053: logic was inverted on which platforms to run a test on.
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caused test_thread to fail on Windows.
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What's New in Python 2.6.5 rc 1?
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================================
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*Release date: 2010-03-01*
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- Issue #7309: Fix unchecked attribute access when converting
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UnicodeEncodeError, UnicodeDecodeError, and UnicodeTranslateError to
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- Issue #7649: "u'%c' % char" now behaves like "u'%s' % char" and raises a
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UnicodeDecodeError if 'char' is a byte string that can't be decoded using
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- Issue #5677: Explicitly forbid write operations on read-only file objects,
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and read operations on write-only file objects. On Windows, the system C
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library would return a bogus result; on Solaris, it was possible to crash
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the interpreter. Patch by Stefan Krah.
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- Issue #4978: Passing keyword arguments as unicode strings is now allowed.
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- Issue #7819: Check sys.call_tracing() arguments types.
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- Issue #7788: Fix an interpreter crash produced by deleting a list
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slice with very large step value.
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- Issue #7561: Operations on empty bytearrays (such as `int(bytearray())`)
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could crash in many places because of the PyByteArray_AS_STRING() macro
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returning NULL. The macro now returns a statically allocated empty
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- Issue #7604: Deleting an unset slotted attribute did not raise an
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- Issue #7413: Passing '\0' as the separator to datetime.datetime.isoformat()
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used to drop the time part of the result.
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- Issue #6108: unicode(exception) and str(exception) should return the same
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message when only __str__ (and not __unicode__) is overridden in the
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- Issue #7491: Metaclass's __cmp__ method was ignored.
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- Add Py3k warnings for parameter names in parenthesis.
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- Issue #7362: Give a proper error message for def f((x)=3): pass.
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- Issue #7085: Fix crash when importing some extensions in a thread
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- Issue #7070: Fix round bug for large odd integer arguments.
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- Issue #7078: Set struct.__doc__ from _struct.__doc__.
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- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
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fixes the problem of some exceptions being thrown at shutdown when the
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interpreter is killed. Patch by Adam Olsen.
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- Issue #7084: Fix a (very unlikely) crash when printing a list from one
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thread, and mutating it from another one. Patch by Scott Dial.
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- Issue #1747858: Fix lchown & fchown to work with large uid's and gid's on
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- Issue #7250: Fix info leak of os.environ across multi-run uses of
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wsgiref.handlers.CGIHandler.
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- Issue #1729305: Fix doctest to handle encode error with "backslashreplace".
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- Issue #691291: codecs.open() should not convert end of lines on reading and
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- Issue #7975: correct regression in dict methods supported by bsddb.dbshelve.
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- Issue #7959: ctypes callback functions are now registered correctly
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with the cycle garbage collector.
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- Issue #6243: curses.getkey() can segfault when used with ungetch.
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Fix by Trundle and Jerry Chen.
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- Issue #7597: curses.use_env() can now be called before initscr().
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Noted by Kan-Ru Chen.
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- Issue #7970: email.Generator.flatten now correctly flattens message/rfc822
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messages parsed by email.Parser.HeaderParser.
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- Issue #3426: ``os.path.abspath`` now returns unicode when its arg is unicode.
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- Issue #7835: shelve should no longer produce mysterious warnings during
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interpreter shutdown.
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- Issue #4772: Raise a ValueError when an unknown Bluetooth protocol is
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specified, rather than fall through to AF_PACKET (in the `socket` module).
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Also, raise ValueError rather than TypeError when an unknown TIPC address
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type is specified. Patch by Brian Curtin.
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- Issue #6939: Fix file I/O objects in the `io` module to keep the original
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file position when calling `truncate()`. It would previously change the
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file position to the given argument, which goes against the tradition of
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ftruncate() and other truncation APIs. Patch by Pascal Chambon.
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- Issue #7773: Fix an UnboundLocalError in platform.linux_distribution() when
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the release file is empty.
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- Issue #7748: Since unicode values are supported for some metadata options
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in Distutils, the DistributionMetadata get_* methods will now return an utf-8
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encoded string for them. This ensure that the upload and register commands
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send the right values to PyPI without any error.
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- Issue #1670765: Prevent email.generator.Generator from re-wrapping
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headers in multipart/signed MIME parts, which fixes one of the sources of
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invalid modifications to such parts by Generator.
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- Issue #7701: Fix crash in binascii.b2a_uu() in debug mode when given a
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1-byte argument. Patch by Victor Stinner.
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- Issue #3299: Fix possible crash in the _sre module when given bad
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argument values in debug mode. Patch by Victor Stinner.
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- Issue #5827: Make sure that normpath preserves unicode. Initial patch
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- Issue #5372: Drop the reuse of .o files in Distutils' ccompiler (since
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Extension extra options may change the output without changing the .c
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file). Initial patch by Collin Winter.
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- Issue #7617: Make sure distutils.unixccompiler.UnixCCompiler recognizes
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gcc when it has a fully qualified configuration prefix. Initial patch
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- Issue #7071: byte-compilation in Distutils is now done with respect to
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sys.dont_write_bytecode.
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- Issue #7092: Remove py3k warning when importing cPickle. 2to3 handles
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renaming of `cPickle` to `pickle`. The warning was annoying since there's
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no alternative to cPickle if you care about performance. Patch by Florent
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- Issue #7455: Fix possible crash in cPickle on invalid input. Patch by
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- Issue #6511: ZipFile now raises BadZipfile (instead of an IOError) when
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opening an empty or very small file.
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- Issue #7552: Removed line feed in the base64 Authorization header in
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the Distutils upload command to avoid an error when PyPI reads it.
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This occurs on long passwords. Initial patch by JP St. Pierre.
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- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
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- Issue #7348: StringIO.StringIO.readline(-1) now acts as if it got no argument
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like other file objects.
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- Issue #5949: fixed IMAP4_SSL hang when the IMAP server response is
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missing proper end-of-line termination.
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- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
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- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is
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generated in Distutils. Patch by Stephen Emslie.
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- Issue #4120: Drop reference to CRT from manifest when building extensions
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- Issue #7410: deepcopy of itertools.count() erroneously reset the count.
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- Issue #7403: logging: Fixed possible race condition in lock creation.
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- Issue #7341: Close the internal file object in the TarFile constructor in
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- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch
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- Issue #7318: multiprocessing now uses a timeout when it fails to establish
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a connection with another process, rather than looping endlessly. The
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default timeout is 20 seconds, which should be amply sufficient for
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- Issue #7282: Fix a memory leak when an RLock was used in a thread other
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than those started through `threading.Thread` (for example, using
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`thread.start_new_thread()`.
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- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
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which are part of a reference cycle.
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- Issue #7249: Methods of io.BytesIO now allow `long` as well as `int`
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- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
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- Issue #1008086: Fixed socket.inet_aton() to always return 4 bytes even on
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LP64 platforms (most 64-bit Linux, bsd, unix systems).
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- Issue #7246 & Issue #7208: getpass now properly flushes input before
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reading from stdin so that existing input does not confuse it and
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lead to incorrect entry or an IOError. It also properly flushes it
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afterwards to avoid the terminal echoing the input afterwards on
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OSes such as Solaris.
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- Issue #7244: itertools.izip_longest() no longer ignores exceptions
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raised during the formation of an output tuple.
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- Issue #7233: Fix a number of two-argument Decimal methods to make
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sure that they accept an int or long as the second argument. Also
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fix buggy handling of large arguments (those with coefficient longer
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than the current precision) in shift and rotate.
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- Issue #7082: When falling back to the MIME 'name' parameter, the
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correct place to look for it is the Content-Type header.
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- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
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- Issue #7205: Fix a possible deadlock when using a BZ2File object from
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several threads at once.
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- Issue #7048: Force Decimal.logb to round its result when that result
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is too large to fit in the current precision.
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- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters
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- Issue #5037: Proxy the __unicode__ special method to __unicode__ instead of
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- Issue #7481: When a threading.Thread failed to start it would leave the
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instance stuck in initial state and present in threading.enumerate().
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- Issue #1068268: The subprocess module now handles EINTR in internal
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os.waitpid and os.read system calls where appropriate.
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- Issue #7808: Fix reference leaks in _bsddb and related tests.
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- Stop providing crtassem.h symbols when compiling with Visual Studio 2010, as
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msvcr100.dll is not a platform assembly anymore.
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- Issue #6877: Make it possible to link the readline extension to libedit
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- Expat: Fix DoS via XML document with malformed UTF-8 sequences
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- Issue #7242: On Solaris 9 and earlier calling os.fork() from within a
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thread could raise an incorrect RuntimeError about not holding the import
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lock. The import lock is now reinitialized after fork.
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- Issue #7999: os.setreuid() and os.setregid() would refuse to accept a -1
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parameter on some platforms such as OS X.
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- Issue #3920, #7903: Define _BSD_SOURCE on OpenBSD 4.4 through 4.9.
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- Issue #7661: Allow ctypes to be built from a non-ASCII directory path.
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Patch by Florent Xicluna.
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- Issue #7589: Only build the nis module when the correct header files are
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- Switch to OpenSSL 0.9.8l on Windows.
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- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
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compiles correctly under gcc on x86-64. This fixes a reported
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problem with the --with-tsc build on x86-64.
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- Ensure that it possible to build extensions for the default
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binary distribution on OSX 10.6 even when the user does not
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have the 10.4u SDK installed.
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- Issue #7541: when using ``python-config`` with a framework install the
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compiler might use the wrong library.
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- Updating `Using Python` documentation to include description of CPython's
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-J, -U and -X options.
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- Update python manual page (options -B, -O0, -s, environment variables
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PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
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- issue #7728: test_timeout was changed to use test_support.bind_port
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instead of a hard coded port.
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- Issue #7498: test_multiprocessing now uses test_support.find_unused_port
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instead of a hardcoded port number in test_rapid_restart.
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- Issue #7431: use TESTFN in test_linecache instead of trying to create a
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file in the Lib/test directory, which might be read-only for the
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user running the tests.
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- Issue #7324: add a sanity check to regrtest argument parsing to
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catch the case of an option with no handler.
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- Issue #7295: Do not use a hardcoded file name in test_tarfile.
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- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
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primitives such as Lock, RLock, Condition, Event and Semaphore.
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- Issue #7055: test___all__ now greedily detects all modules which have an
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__all__ attribute, rather than using a hardcoded and incomplete list.
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What's New in Python 2.6.4 final?
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351
=================================
added
removed
Misc/NEWS
