3728 lines
146 KiB
Plaintext
3728 lines
146 KiB
Plaintext
+++++++++++
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Python News
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+++++++++++
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(editors: check NEWS.help for information about editing NEWS using ReST.)
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What's New in Python 3.2 Alpha 2?
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=================================
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*Release date: XX-Sep-2010*
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Core and Builtins
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-----------------
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- Issue #9212: dict_keys and dict_items now provide the isdisjoint()
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method, to conform to the Set ABC. Patch by Daniel Urban.
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- Issue #9737: Fix a crash when trying to delete a slice or an item from
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a memoryview object.
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- Issue #9549: sys.setdefaultencoding() and PyUnicode_SetDefaultEncoding()
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are now removed, since their effect was inexistent in 3.x (the default
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encoding is hardcoded to utf-8 and cannot be changed).
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- Issue #7415: PyUnicode_FromEncodedObject() now uses the new buffer API
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properly. Patch by Stefan Behnel.
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- Issue #5553: The Py_LOCAL_INLINE macro now results in inlining on
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most platforms. Previously, it online inlined when using Microsoft
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Visual C.
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- Issue #9712: Fix tokenize on identifiers that start with non-ascii names.
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- Issue #9688: __basicsize__ and __itemsize__ must be accessed as Py_ssize_t.
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- Issue #9684: Added a definition for SIZEOF_WCHAR_T to PC/pyconfig.h,
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to match the pyconfig.h generated by configure on other systems.
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- Issue #9666: Only catch AttributeError in hasattr(). All other exceptions that
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occur during attribute lookup are now propagated to the caller.
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- Issue #8622: Add PYTHONFSENCODING environment variable to override the
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filesystem encoding.
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- Issue #5127: The C functions that access the Unicode Database now accept and
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return characters from the full Unicode range, even on narrow unicode builds
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(Py_UNICODE_TOLOWER, Py_UNICODE_ISDECIMAL, and others). A visible difference
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in Python is that unicodedata.numeric() now returns the correct value for
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large code points, and repr() may consider more characters as printable.
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- Issue #9425: Create PyModule_GetFilenameObject() function to get the filename
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as a unicode object, instead of a byte string. Function needed to support
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unencodable filenames. Deprecate PyModule_GetFilename() in favor on the new
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function.
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- Issue #8063: Call _PyGILState_Init() earlier in Py_InitializeEx().
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- Issue #9612: The set object is now 64-bit clean under Windows.
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- Issue #8202: sys.argv[0] is now set to '-m' instead of '-c' when searching
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for the module file to be executed with the -m command line option.
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- Issue #9599: Create PySys_FormatStdout() and PySys_FormatStderr() functions
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to write a message formatted by PyUnicode_FromFormatV() to sys.stdout and
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sys.stderr.
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- Issue #9542: Create PyUnicode_FSDecoder() function, a ParseTuple converter:
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decode bytes objects to unicode using PyUnicode_DecodeFSDefaultAndSize();
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str objects are output as-is.
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- Issue #9203: Computed gotos are now enabled by default on supported
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compilers (which are detected by the configure script). They can still
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be disable selectively by specifying --without-computed-gotos.
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- Issue #9425: Create PyErr_WarnFormat() function, similar to PyErr_WarnEx()
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but use PyUnicode_FromFormatV() to format the warning message.
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- Issue #8530: Prevent stringlib fastsearch from reading beyond the front
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of an array.
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- Issue #5319: Print an error if flushing stdout fails at interpreter
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shutdown.
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- Issue #9337: The str() of a float or complex number is now identical
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to its repr().
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- Issue #9416: Fix some issues with complex formatting where the
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output with no type specifier failed to match the str output:
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- format(complex(-0.0, 2.0), '-') omitted the real part from the output,
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- format(complex(0.0, 2.0), '-') included a sign and parentheses.
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Extensions
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----------
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- Issue #4835: make PyLong_FromSocket_t() and PyLong_AsSocket_t() private
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to the socket module, and fix the width of socket descriptors to be
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correctly detected under 64-bit Windows.
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- Issue #1027206: Support IDNA in gethostbyname, gethostbyname_ex,
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getaddrinfo and gethostbyaddr. getnameinfo is now restricted to numeric
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addresses as input.
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- Issue #9214: Set operations on a KeysView or ItemsView in collections
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now correctly return a set. (Patch by Eli Bendersky.)
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- Issue #5737: Add Solaris-specific mnemonics in the errno module. Patch by
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Matthew Ahrens.
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- Restore GIL in nis_cat in case of error. Decode NIS data to fs encoding,
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using the surrogate error handler.
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- Issue #665761: ``functools.reduce()`` will no longer mask exceptions
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other than ``TypeError`` raised by the iterator argument.
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- Issue #9570: Use PEP 383 decoding in os.mknod and os.mkfifo.
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- Issue #6915: Under Windows, os.listdir() didn't release the Global
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Interpreter Lock around all system calls. Original patch by Ryan Kelly.
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- Issue #8524: Add a detach() method to socket objects, so as to put the
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socket into the closed state without closing the underlying file
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descriptor.
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- Issue #477863: Print a warning at shutdown if gc.garbage is not empty.
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- Issue #6869: Fix a refcount problem in the _ctypes extension.
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- Issue #5504: ctypes should now work with systems where mmap can't
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be PROT_WRITE and PROT_EXEC.
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- Issue #9507: Named tuple repr will now automatically display the right
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name in a tuple subclass.
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- Issue #9324: Add parameter validation to signal.signal on Windows in order
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to prevent crashes.
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- Issue #9526: Remove some outdated (int) casts that were preventing
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the array module from working correctly with arrays of more than
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2**31 elements.
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- Fix memory leak in ssl._ssl._test_decode_cert.
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- Issue #8065: Fix memory leak in readline module (from failure to
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free the result of history_get_history_state()).
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- Issue #9450: Fix memory leak in readline.replace_history_item and
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readline.remove_history_item for readline version >= 5.0.
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- Issue #8105: Validate file descriptor passed to mmap.mmap on Windows.
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- Issue #8046: Add context manager protocol support and .closed property
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to mmap objects.
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Library
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-------
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- Issue #9753: Fixed socket.dup, which did not always work correctly
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on Windows.
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- Issue #7005: Fixed output of None values for RawConfigParser.write and
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ConfigParser.write.
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- Issue #8990: array.fromstring() and array.tostring() get renamed to
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frombytes() and tobytes(), respectively, to avoid confusion. Furthermore,
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array.frombytes(), array.extend() as well as the array.array()
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constructor now accept bytearray objects. Patch by Thomas Jollans.
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- Issue #808164: Fixed socket.close to avoid references to globals, to
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avoid issues when socket.close is called from a __del__ method.
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- Issue #9706: ssl module provides a better error handling in various
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circumstances.
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- Issue #1868: Eliminate subtle timing issues in thread-local objects by
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getting rid of the cached copy of thread-local attribute dictionary.
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- Issue #1512791: In setframerate() in the wave module, non-integral
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frame rates are rounded to the nearest integer.
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- Issue #8797: urllib2 does a retry for Basic Authentication failure instead of
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falling into recursion.
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- Issue #1194222: email.utils.parsedate now returns RFC2822 compliant four
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character years even if the message contains RFC822 two character years.
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- Issue #8750: Fixed MutableSet's methods to correctly handle reflexive
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operations on its self, namely x -= x and x ^= x.
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- Issue #9129: smtpd.py is vulnerable to DoS attacks deriving from missing
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error handling when accepting a new connection.
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- Issue #9601: ftplib now provides a workaround for non-compliant
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implementations such as IIS shipped with Windows server 2003 returning invalid
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response codes for MKD and PWD commands.
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- Issue #658749: asyncore's connect() method now correctly interprets winsock
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errors.
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- Issue #9501: Fixed logging regressions in cleanup code.
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- Fix functools.total_ordering() to actually work.
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- Issue #9572: Importlib should not raise an exception if a directory it
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thought it needed to create was done concurrently by another process.
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- Issue #9617: Signals received during a low-level write operation aren't
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ignored by the buffered IO layer anymore.
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- Issue #843590: Make "macintosh" an alias to the "mac_roman" encoding.
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- Create os.fsdecode(): decode from the filesystem encoding with
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surrogateescape error handler, or strict error handler on Windows.
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- Issue #3488: Provide convenient shorthand functions ``gzip.compress``
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and ``gzip.decompress``. Original patch by Anand B. Pillai.
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- Issue #8807: poplib.POP3_SSL class now accepts a context parameter, which is a
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ssl.SSLContext object allowing bundling SSL configuration options,
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certificates and private keys into a single (potentially long-lived)
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structure.
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- Issue #8866: parameters passed to socket.getaddrinfo can now be specified as
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single keyword arguments.
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- Address XXX comment in dis.py by having inspect.py prefer to reuse the
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dis.py compiler flag values over defining its own
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- Issue #9147: Added dis.code_info() which is similar to show_code()
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but returns formatted code information in a string rather than
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displaying on screen.
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- Issue #9567: functools.update_wrapper now adds a __wrapped__ attribute
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pointing to the original callable
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- Issue #3445: functools.update_wrapper now tolerates missing attributes
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on wrapped callables
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- Issue #5867: Add abc.abstractclassmethod and abc.abstractstaticmethod.
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- Issue #9605: posix.getlogin() decodes the username with file filesystem
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encoding and surrogateescape error handler. Patch written by David Watson.
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- Issue #9604: posix.initgroups() encodes the username using the fileystem
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encoding and surrogateescape error handler. Patch written by David Watson.
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- Issue #9603: posix.ttyname() and posix.ctermid() decode the terminal name
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using the filesystem encoding and surrogateescape error handler. Patch
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written by David Watson.
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- Issue #7647: The posix module now has the ST_RDONLY and ST_NOSUID
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constants, for use with the statvfs() function. Patch by Adam Jackson.
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- Issue #8688: MANIFEST files created by distutils now include a magic
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comment indicating they are generated. Manually maintained MANIFESTs
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without this marker will not be overwritten or removed.
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- Issue #7467: when reading a file from a ZIP archive, its CRC is checked
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and a BadZipfile error is raised if it doesn't match (as used to be the
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case in Python 2.5 and earlier).
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- Issue #9550: a BufferedReader could issue an additional read when the
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original read request had been satisfied, which could block indefinitely
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when the underlying raw IO channel was e.g. a socket. Report and original
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patch by Jason V. Miller.
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- Issue #3757: thread-local objects now support cyclic garbage collection.
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Thread-local objects involved in reference cycles will be deallocated
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timely by the cyclic GC, even if the underlying thread is still running.
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- Issue #9452: Add read_file, read_string, and read_dict to the configparser
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API; new source attribute to exceptions.
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- Issue #6231: Fix xml.etree.ElementInclude to include the tail of the
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current node.
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- Issue #8047: Fix the xml.etree serializer to return bytes by default. Use
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``encoding="unicode"`` to generate a Unicode string.
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- Issue #8280: urllib2's Request method will remove fragments in the url.
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This is how it is supposed to work, wget and curl do the same. Previous
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behavior was wrong.
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- Issue #6683: For SMTP logins we now try all authentication methods advertised
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by the server. Many servers are buggy and advertise authentication methods
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they do not support in reality.
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- Issue #8814: function annotations (the ``__annotations__`` attribute)
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are now included in the set of attributes copied by default by
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functools.wraps and functools.update_wrapper. Patch by Terrence Cole.
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- Issue #2944: asyncore doesn't handle connection refused correctly.
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- Issue #4184: Private attributes on smtpd.SMTPChannel made public and
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deprecate the private attributes. Add tests for smtpd module.
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- Issue #3196: email header decoding is now forgiving if an RFC2047
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encoded word encoded in base64 is lacking padding.
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- Issue #9444: Argparse now uses the first element of prefix_chars as
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the option character for the added 'h/help' option if prefix_chars
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does not contain a '-', instead of raising an error.
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- Issue #7372: Fix pstats regression when stripping paths from profile
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data generated with the profile module.
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- Issue #9428: Fix running scripts with the profile/cProfile modules from
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the command line.
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- Issue #7781: Fix restricting stats by entry counts in the pstats
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interactive browser.
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- Issue #9209: Do not crash in the pstats interactive browser on invalid
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regular expressions.
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- Update collections.OrderedDict to match the implementation in Py2.7
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(based on lists instead of weakly referenced Link objects).
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- Issue #8397: Raise an error when attempting to mix iteration and regular
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reads on a BZ2File object, rather than returning incorrect results.
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- Issue #9448: Fix a leak of OS resources (mutexes or semaphores) when
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re-initializing a buffered IO object by calling its ``__init__`` method.
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- Issue #1713: Fix os.path.ismount(), which returned true for symbolic links
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across devices.
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- Issue #8826: Properly load old-style "expires" attribute in http.cookies.
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- Issue #1690103: Fix initial namespace for code run with trace.main().
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- Issue #7395: Fix tracebacks in pstats interactive browser.
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- Issue #8230: Fix Lib/test/sortperf.py.
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- Issue #8620: when a Cmd is fed input that reaches EOF without a final
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newline, it no longer truncates the last character of the last command line.
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- Issue #5146: Handle UID THREAD command correctly in imaplib.
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- Issue #5147: Fix the header generated for cookie files written by
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http.cookiejar.MozillaCookieJar.
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- Issue #8198: In pydoc, output all help text to the correct stream
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when sys.stdout is reassigned.
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- Issue #7909: Do not touch paths with the special prefixes ``\\.\``
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or ``\\?\`` in ntpath.normpath().
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- Issue #1286: Allow using fileinput.FileInput as a context manager.
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- Add lru_cache() decorator to the functools module.
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Tools/Demos
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-----------
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- Fix ``Tools/scripts/checkpyc.py`` after PEP 3147.
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- Issue #8867: Fix ``Tools/scripts/serve.py`` to work with files containing
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non-ASCII content.
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Tests
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-----
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- Issue #9601: Provide a test case for ftplib.parse257.
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- Issue #8857: Provide a test case for socket.getaddrinfo.
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- Issue #7564: Skip test_ioctl if another process is attached to /dev/tty.
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- Issue #8433: Fix test_curses failure with newer versions of ncurses.
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- Issue #9496: Provide a test suite for the rlcompleter module. Patch by
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Michele Orrù.
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- Issue #8687: provide a test suite for sched.py module.
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Build
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-----
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- Issue #3101: Helper functions _add_one_to_index_C() and
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_add_one_to_index_F() become _Py_add_one_to_index_C() and
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_Py_add_one_to_index_F(), respectively.
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- Issue #9700: define HAVE_BROKEN_POSIX_SEMAPHORES under AIX 6.x. Patch by
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Sébastien Sablé.
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- Don't run pgen twice when using make -j.
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What's New in Python 3.2 Alpha 1?
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=================================
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*Release date: 01-Aug-2010*
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|
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Core and Builtins
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-----------------
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- Issue #8991: convertbuffer() rejects discontigious buffers.
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- Issue #7616: Fix copying of overlapping memoryview slices with the Intel
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compiler.
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- Issue #8413: structsequence now subclasses tuple.
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- Issue #8271: during the decoding of an invalid UTF-8 byte sequence, only the
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start byte and the continuation byte(s) are now considered invalid, instead of
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the number of bytes specified by the start byte. E.g.:
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'\xf1\x80AB'.decode('utf-8', 'replace') now returns u'\ufffdAB' and replaces
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with U+FFFD only the start byte ('\xf1') and the continuation byte ('\x80')
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even if '\xf1' is the start byte of a 4-bytes sequence. Previous versions
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returned a single u'\ufffd'.
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- Issue #9011: A negated imaginary literal (e.g., "-7j") now has real part -0.0
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rather than 0.0. So "-7j" is now exactly equivalent to "-(7j)".
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- Be more specific in error messages about positional arguments.
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- Issue #8949: "z" format of PyArg_Parse*() functions doesn't accept bytes
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objects, as described in the documentation.
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- Issue #6543: Write the traceback in the terminal encoding instead of utf-8.
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Fix the encoding of the modules filename. Patch written by Amaury Forgeot
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d'Arc.
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- Issue #9011: Remove buggy and unnecessary (in 3.x) ST->AST compilation code
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dealing with unary minus applied to a constant. The removed code was mutating
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the ST, causing a second compilation to fail.
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- Issue #850997: mbcs encoding (Windows only) handles errors argument: strict
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mode raises unicode errors. The encoder only supports "strict" and "replace"
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error handlers, the decoder only supports "strict" and "ignore" error
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handlers. Patch written by Mark Hammond.
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- Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
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"w*" format instead. Add tests for "w*" format.
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- Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
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formats if the string contains a null byte/character. Write unit tests for
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string formats.
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- Issue #7490: To facilitate sharing of doctests between 2.x and 3.x test
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suites, the IGNORE_EXCEPTION_DETAIL directive now also ignores the module
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location of the raised exception.
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- Issue #8969: On Windows, use mbcs codec in strict mode to encode and decode
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filenames and enable os.fsencode().
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- Issue #9058: Remove assertions about INT_MAX in UnicodeDecodeError.
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- Issue #8941: Decoding big endian UTF-32 data in UCS-2 builds could crash the
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interpreter with characters outside the Basic Multilingual Plane (higher than
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0x10000).
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- Issue #8950: (See also issue #5080). Py_ArgParse*() functions now raise
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TypeError instead of giving a DeprecationWarning when a float is parsed using
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the 'L' code (for long long). (All other integer codes already raise
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TypeError in this case.)
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- Issue #8922: Normalize the encoding name in PyUnicode_AsEncodedString() to
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enable shortcuts for upper case encoding name. Add also a shortcut for
|
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"iso-8859-1" in PyUnicode_AsEncodedString() and PyUnicode_Decode().
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- Issue #8838: Remove codecs.charbuffer_encode() function. The buffer protocol
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doesn't support "char buffer" anymore in Python 3.
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- Issue #8339: Remove "t#" format of PyArg_Parse*() functions, use "s#" or "s*"
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instead. codecs.charbuffer_encode() now accepts modifiable buffer objects
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like bytearray.
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- Issue #8837: Remove "O?" format of PyArg_Parse*() functions. The format is no
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used anymore and it was never documented.
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- In str.format(), raise a ValueError when indexes to arguments are too large.
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- Issue #2844: Make int('42', n) consistently raise ValueError for invalid
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integers n (including n = -909).
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|
|
- Issue #8188: Introduce a new scheme for computing hashes of numbers (instances
|
|
of int, float, complex, decimal.Decimal and fractions.Fraction) that makes it
|
|
easy to maintain the invariant that hash(x) == hash(y) whenever x and y have
|
|
equal value.
|
|
|
|
- Issue #8748: Fix two issues with comparisons between complex and integer
|
|
objects. (1) The comparison could incorrectly return True in some cases
|
|
(2**53+1 == complex(2**53) == 2**53), breaking transitivity of equality.
|
|
(2) The comparison raised an OverflowError for large integers, leading to
|
|
unpredictable exceptions when combining integers and complex objects in sets
|
|
or dicts.
|
|
|
|
- Issue #8766: Initialize _warnings module before importing the first module.
|
|
Fix a crash if an empty directory called "encodings" exists in sys.path.
|
|
|
|
- Issue #8589: Decode PYTHONWARNINGS environment variable with the file system
|
|
encoding and surrogateescape error handler instead of the locale encoding to
|
|
be consistent with os.environ. Add PySys_AddWarnOptionUnicode() function.
|
|
|
|
- PyObject_Dump() encodes unicode objects to utf8 with backslashreplace (instead
|
|
of strict) error handler to escape surrogates.
|
|
|
|
- Issue #8715: Create PyUnicode_EncodeFSDefault() function: Encode a Unicode
|
|
object to Py_FileSystemDefaultEncoding with the "surrogateescape" error
|
|
handler, and return bytes. If Py_FileSystemDefaultEncoding is not set, fall
|
|
back to UTF-8.
|
|
|
|
- Enable shortcuts for common encodings in PyUnicode_AsEncodedString() for any
|
|
error handler, not only the default error handler (strict).
|
|
|
|
- Issue #8610: Load file system codec at startup, and display a fatal error on
|
|
failure. Set the file system encoding to utf-8 (instead of None) if getting
|
|
the locale encoding failed, or if nl_langinfo(CODESET) function is missing.
|
|
|
|
- PyFile_FromFd() uses PyUnicode_DecodeFSDefault() instead of
|
|
PyUnicode_FromString() to support surrogates in the filename and use the right
|
|
encoding.
|
|
|
|
- Issue #7507: Quote "!" in pipes.quote(); it is special to some shells.
|
|
|
|
- PyUnicode_DecodeFSDefaultAndSize() uses surrogateescape error handler.
|
|
|
|
- Issue #8419: Prevent the dict constructor from accepting non-string keyword
|
|
arguments.
|
|
|
|
- Issue #8124: PySys_WriteStdout() and PySys_WriteStderr() don't execute
|
|
indirectly Python signal handlers anymore because mywrite() ignores exceptions
|
|
(KeyboardInterrupt).
|
|
|
|
- Issue #8092: Fix PyUnicode_EncodeUTF8() to support error handler producing
|
|
unicode string (eg. backslashreplace).
|
|
|
|
- Issue #8485: PyUnicode_FSConverter() doesn't accept byteearray objects
|
|
anymore, you have to convert your bytearray filenames to bytes.
|
|
|
|
- Issue #7332: Remove the 16KB stack-based buffer in
|
|
PyMarshal_ReadLastObjectFromFile, which doesn't bring any noticeable benefit
|
|
compared to the dynamic memory allocation fallback. Patch by Charles-François
|
|
Natali.
|
|
|
|
- Issue #8417: Raise an OverflowError when an integer larger than sys.maxsize is
|
|
passed to bytes or bytearray.
|
|
|
|
- Issue #7301: Add environment variable $PYTHONWARNINGS.
|
|
|
|
- Issue #8329: Don't return the same lists from select.select when no fds are
|
|
changed.
|
|
|
|
- Issue #8259: 1L << (2**31) no longer produces an 'outrageous shift error' on
|
|
64-bit machines. The shift count for either left or right shift is permitted
|
|
to be up to sys.maxsize.
|
|
|
|
- Ensure that tokenization of identifiers is not affected by locale.
|
|
|
|
- Issue #1222585: Added LDCXXSHARED for C++ support. Patch by Arfrever.
|
|
|
|
- Raise a TypeError when trying to delete a T_STRING_INPLACE struct member.
|
|
|
|
- Issue #8211: Save/restore CFLAGS around AC_PROG_CC in configure.in, in case it
|
|
is set.
|
|
|
|
- Issue #8226: sys.setfilesystemencoding() raises a LookupError if the encoding
|
|
is unknown.
|
|
|
|
- Issue #1583863: A str subclass can now override the __str__ method.
|
|
|
|
- Issue #8014: Setting a T_UINT or T_PYSSIZET attribute of an object with
|
|
PyMemberDefs could produce an internal error; raise TypeError instead.
|
|
|
|
- Issue #7845: Rich comparison methods on the complex type now return
|
|
NotImplemented rather than raising a TypeError when comparing with an
|
|
incompatible type; this allows user-defined classes to implement their own
|
|
comparisons with complex.
|
|
|
|
- Issue #3137: Don't ignore errors at startup, especially a keyboard interrupt
|
|
(SIGINT). If an error occurs while importing the site module, the error is
|
|
printed and Python exits. Initialize the GIL before importing the site module.
|
|
|
|
- Issue #7173: Generator finalization could invalidate sys.exc_info().
|
|
|
|
- Issue #7544: Preallocate thread memory before creating the thread to avoid a
|
|
fatal error in low memory condition.
|
|
|
|
- Issue #7820: The parser tokenizer restores all bytes in the right if the BOM
|
|
check fails.
|
|
|
|
- Handle errors from looking up __prepare__ correctly.
|
|
|
|
- Issue #5939: Add additional runtime checking to ensure a valid capsule in
|
|
Modules/_ctypes/callproc.c.
|
|
|
|
- Issue #7309: Fix unchecked attribute access when converting
|
|
UnicodeEncodeError, UnicodeDecodeError, and UnicodeTranslateError to strings.
|
|
|
|
- Issue #6902: Fix problem with built-in types format incorrectly with 0
|
|
padding.
|
|
|
|
- Issue #7988: Fix default alignment to be right aligned for complex.__format__.
|
|
Now it matches other numeric types.
|
|
|
|
- Issue #5988: Remove deprecated functions PyOS_ascii_formatd,
|
|
PyOS_ascii_strtod, and PyOS_ascii_atof. Use PyOS_double_to_string and
|
|
PyOS_string_to_double instead. See issue #5835 for the original deprecations.
|
|
|
|
- Issue #7385: Fix a crash in `MemoryView_FromObject` when `PyObject_GetBuffer`
|
|
fails. Patch by Florent Xicluna.
|
|
|
|
- Issue #7788: Fix an interpreter crash produced by deleting a list slice with
|
|
very large step value.
|
|
|
|
- Issue #7766: Change sys.getwindowsversion() return value to a named tuple and
|
|
add the additional members returned in an OSVERSIONINFOEX structure. The new
|
|
members are service_pack_major, service_pack_minor, suite_mask, and
|
|
product_type.
|
|
|
|
- Issue #7561: Operations on empty bytearrays (such as `int(bytearray())`) could
|
|
crash in many places because of the PyByteArray_AS_STRING() macro returning
|
|
NULL. The macro now returns a statically allocated empty string instead.
|
|
|
|
- Issue #6690: Optimize the bytecode for expressions such as `x in {1, 2, 3}`,
|
|
where the right hand operand is a set of constants, by turning the set into a
|
|
frozenset and pre-building it as a constant. The comparison operation is made
|
|
against the constant instead of building a new set each time it is executed (a
|
|
similar optimization already existed which turned a list of constants into a
|
|
pre-built tuple). Patch and additional tests by Dave Malcolm.
|
|
|
|
- Issue #7622: Improve the split(), rsplit(), splitlines() and replace() methods
|
|
of bytes, bytearray and unicode objects by using a common implementation based
|
|
on stringlib's fast search. Patch by Florent Xicluna.
|
|
|
|
- Issue #7632: Fix various str -> float conversion bugs present in 2.7 alpha 2,
|
|
including: (1) a serious 'wrong output' bug that could occur for long (> 40
|
|
digit) input strings, (2) a crash in dtoa.c that occurred in debug builds when
|
|
parsing certain long numeric strings corresponding to subnormal values, (3) a
|
|
memory leak for some values large enough to cause overflow, and (4) a number
|
|
of flaws that could lead to incorrectly rounded results.
|
|
|
|
- The __complex__ method is now looked up on the class of instances to make it
|
|
consistent with other special methods.
|
|
|
|
- Issue #7462: Implement the stringlib fast search algorithm for the `rfind`,
|
|
`rindex`, `rsplit` and `rpartition` methods. Patch by Florent Xicluna.
|
|
|
|
- Issue #7604: Deleting an unset slotted attribute did not raise an
|
|
AttributeError.
|
|
|
|
- Issue #7534: Fix handling of IEEE specials (infinities, nans, negative zero)
|
|
in ** operator. The behaviour now conforms to that described in C99 Annex F.
|
|
|
|
- Issue #1811: improve accuracy and cross-platform consistency for true division
|
|
of integers: the result of a/b is now correctly rounded for ints a and b (at
|
|
least on IEEE 754 platforms), and in particular does not depend on the
|
|
internal representation of an int.
|
|
|
|
- Issue #6834: replace the implementation for the 'python' and 'pythonw'
|
|
executables on OSX.
|
|
|
|
These executables now work properly with the arch(1) command: ``arch -ppc
|
|
python`` will start a universal binary version of python in PPC mode (unlike
|
|
previous releases).
|
|
|
|
- Issue #7466: Segmentation fault when the garbage collector is called in the
|
|
middle of populating a tuple. Patch by Florent Xicluna.
|
|
|
|
- Issue #7419: setlocale() could crash the interpreter on Windows when called
|
|
with invalid values.
|
|
|
|
- Issue #6077: On Windows, files opened with tempfile.TemporaryFile in "wt+"
|
|
mode would appear truncated on the first '0x1a' byte (aka. Ctrl+Z).
|
|
|
|
- Issue #7085: Fix crash when importing some extensions in a thread on MacOSX
|
|
10.6.
|
|
|
|
- Issue #1757126: Fix the cyrillic-asian alias for the ptcp154 encoding.
|
|
|
|
- Issue #6970: Remove redundant calls when comparing objects that don't
|
|
implement the relevant rich comparison methods.
|
|
|
|
- Issue #7298: Fixes for range and reversed(range(...)). Iteration over
|
|
range(a, b, c) incorrectly gave an empty iterator when a, b and c fit in C
|
|
long but the length of the range did not. Also fix several cases where
|
|
reversed(range(a, b, c)) gave wrong results, and fix a refleak for
|
|
reversed(range(a, b, c)) with large arguments.
|
|
|
|
- Issue #7244: itertools.izip_longest() no longer ignores exceptions raised
|
|
during the formation of an output tuple.
|
|
|
|
- Issue #3297: On wide unicode builds, do not split unicode characters into
|
|
surrogates.
|
|
|
|
- Remove length limitation when constructing a complex number from a string.
|
|
|
|
- Issue #1087418: Boost performance of bitwise operations for longs.
|
|
|
|
- Support for AtheOS has been completely removed from the code base. It was
|
|
disabled since Python 3.0.
|
|
|
|
- Support for several legacy threading libraries has been disabled. These
|
|
libraries are: Mach C threads, SunOS LWP, GNU pth, Irix threads. Support code
|
|
will be entirely removed in 3.3.
|
|
|
|
- Support for OSF* has been disabled. If nobody stands up, support will be
|
|
removed in 3.3. See <http://bugs.python.org/issue8606>.
|
|
|
|
- Peephole constant folding had missed UNARY_POSITIVE.
|
|
|
|
- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
|
|
fixes the problem of some exceptions being thrown at shutdown when the
|
|
interpreter is killed. Patch by Adam Olsen.
|
|
|
|
- Issue #7147: Remove support for compiling Python without complex number
|
|
support.
|
|
|
|
- Issue #7120: logging: Removed import of multiprocessing which is causing crash
|
|
in GAE.
|
|
|
|
- Issue #1754094: Improve the stack depth calculation in the compiler. There
|
|
should be no other effect than a small decrease in memory use. Patch by
|
|
Christopher Tur Lesniewski-Laas.
|
|
|
|
- Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when using
|
|
byte values greater than 127. Patch by Derk Drukker.
|
|
|
|
- Issue #1571184: The Unicode database contains properties for more characters.
|
|
The tables for code points representing numeric values, white spaces or line
|
|
breaks are now generated from the official Unicode Character Database files,
|
|
and include information from the Unihan.txt file.
|
|
|
|
- Issue #7019: Raise ValueError when unmarshalling bad long data, instead of
|
|
producing internally inconsistent Python longs.
|
|
|
|
- Issue #6990: Fix threading.local subclasses leaving old state around after a
|
|
reference cycle GC which could be recycled by new locals.
|
|
|
|
- Issue #5460: Fix an ambiguity in the grammar.
|
|
|
|
- Issue #1766304: Improve performance of membership tests on range objects.
|
|
|
|
- Issue #6713: Improve performance of integer -> string conversions.
|
|
|
|
- Issue #6846: Fix bug where bytearray.pop() returns negative integers.
|
|
|
|
- Issue #6750: A text file opened with io.open() could duplicate its output when
|
|
writing from multiple threads at the same time.
|
|
|
|
- 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 #1616979: Added the cp720 (Arabic DOS) encoding.
|
|
|
|
- Issue #6428: Since Python 3.0, the __bool__ method must return a bool object,
|
|
and not an int. Fix the corresponding error message, and the documentation.
|
|
|
|
- The deprecated PyCObject has been removed.
|
|
|
|
- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h. This fixes a
|
|
build failure on HP-UX: int32_t and uint32_t are defined in inttypes.h instead
|
|
of stdint.h on that platform.
|
|
|
|
- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and the
|
|
'surrogateescape' error handler, a string which contains unpaired surrogates.
|
|
|
|
- Issue #4856: Remove checks for win NT.
|
|
|
|
- Issue #6687: PyBytes_FromObject() no longer accepts an integer as its argument
|
|
to construct a null-initialized bytes object.
|
|
|
|
- Issue #1023290: Add from_bytes() and to_bytes() methods to integers. These
|
|
methods allow the conversion of integers to bytes, and vice-versa.
|
|
|
|
- Issue #7382: Fix bug in bytes.__getnewargs__ that prevented bytes instances
|
|
from being copied with copy.copy(), and bytes subclasses from being pickled
|
|
properly.
|
|
|
|
- Code objects now support weak references.
|
|
|
|
- Issue #7072: isspace(0xa0) is true on Mac OS X.
|
|
|
|
- Issue #8084: PEP 370 now conforms to system conventions for framework builds
|
|
on MacOS X. That is, "python setup.py install --user" will install
|
|
into "~/Library/Python/2.7" instead of "~/.local".
|
|
|
|
C-API
|
|
-----
|
|
|
|
- Issue #2443: A new macro, `Py_VA_COPY`, copies the state of the
|
|
variable argument list. `Py_VA_COPY` is equivalent to C99
|
|
`va_copy`, but available on all python platforms.
|
|
|
|
- PySlice_GetIndicesEx now clips the step to [-PY_SSIZE_T_MAX, PY_SSIZE_T_MAX]
|
|
instead of [-PY_SSIZE_T_MAX-1, PY_SSIZE_T_MAX]. This makes it safe to do
|
|
"step = -step" when reversing a slice.
|
|
|
|
- Issue #5753: A new C API function, `PySys_SetArgvEx`, allows embedders of the
|
|
interpreter to set sys.argv without also modifying sys.path. This helps fix
|
|
`CVE-2008-5983
|
|
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5983>`_.
|
|
|
|
- Add PyArg_ValidateKeywordArguments, which checks if all keyword arguments are
|
|
strings in an efficient manner.
|
|
|
|
- Issue #8276: PyEval_CallObject() is now only available in macro form. The
|
|
function declaration, which was kept for backwards compatibility reasons, is
|
|
now removed (the macro was introduced in 1997!).
|
|
|
|
- Issue #7767: New function PyLong_AsLongLongAndOverflow added, analogous to
|
|
PyLong_AsLongAndOverflow.
|
|
|
|
- Make PyUnicode_CompareWithASCIIString return not equal if the Python string
|
|
has '\0' at the end.
|
|
|
|
- Issue #5080: The argument parsing functions PyArg_ParseTuple,
|
|
PyArg_ParseTupleAndKeywords, PyArg_VaParse, PyArg_VaParseTupleAndKeywords and
|
|
PyArg_Parse now raise a DeprecationWarning for float arguments passed with the
|
|
'L' format code. This will become a TypeError in a future version of Python,
|
|
to match the behaviour of the other integer format codes.
|
|
|
|
- Issue #7033: Function ``PyErr_NewExceptionWithDoc()`` added.
|
|
|
|
- Issue #7414: 'C' code wasn't being skipped properly (for keyword arguments) in
|
|
PyArg_ParseTupleAndKeywords.
|
|
|
|
- Issue #7228: Add '%lld' and '%llu' support to PyString_FromFormat(V) and
|
|
PyErr_Format, on machines with HAVE_LONG_LONG defined.
|
|
|
|
- Issue #6151: Made PyDescr_COMMON conform to standard C (like PyObject_HEAD in
|
|
PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be should used for
|
|
accessing the d_type and d_name members of structures using PyDescr_COMMON.
|
|
|
|
- Issue #6405: Remove duplicate type declarations in descrobject.h.
|
|
|
|
- The code flags for old __future__ features are now available again.
|
|
|
|
- Issue #5954: Add a PyFrame_GetLineNumber() function to replace most uses of
|
|
PyCode_Addr2Line().
|
|
|
|
- Issue #5959: Add a PyCode_NewEmpty() function to create a new empty code
|
|
object at a specified file, function, and line number.
|
|
|
|
- Issue #1419652: Change the first argument to PyImport_AppendInittab() to
|
|
``const char *`` as the string is stored beyond the call.
|
|
|
|
- Issue #2422: When compiled with the ``--with-valgrind`` option, the pymalloc
|
|
allocator will be automatically disabled when running under Valgrind. This
|
|
gives improved memory leak detection when running under Valgrind, while taking
|
|
advantage of pymalloc at other times.
|
|
|
|
Library
|
|
-------
|
|
|
|
- In pdb, when Ctrl-C is entered while defining commands for a breakpoint, the
|
|
old commands are restored.
|
|
|
|
- For traceback debugging, the pdb listing now also shows the locations where
|
|
the exception was originally (re)raised, if it differs from the last line
|
|
executed (e.g. in case of finally clauses).
|
|
|
|
- The pdb command "source" has been added. It displays the source code for a
|
|
given object, if possible.
|
|
|
|
- The pdb command "longlist" has been added. It displays the whole source code
|
|
for the current function.
|
|
|
|
- Issue #1503502: Make pdb.Pdb easier to subclass by putting message and error
|
|
output into methods.
|
|
|
|
- Issue #809887: Make the output of pdb's breakpoint deletions more consistent;
|
|
emit a message when a breakpoint is enabled or disabled.
|
|
|
|
- Issue #5294: Fix the behavior of pdb's "continue" command when called in the
|
|
top-level debugged frame.
|
|
|
|
- Issue #5727: Restore the ability to use readline when calling into pdb in
|
|
doctests.
|
|
|
|
- Issue #6719: In pdb, do not stop somewhere in the encodings machinery if the
|
|
source file to be debugged is in a non-builtin encoding.
|
|
|
|
- Issue #8048: Prevent doctests from failing when sys.displayhook has been
|
|
reassigned.
|
|
|
|
- Issue #8015: In pdb, do not crash when an empty line is entered as a
|
|
breakpoint command.
|
|
|
|
- In pdb, allow giving a line number to the "until" command.
|
|
|
|
- Issue #1437051: For pdb, allow "continue" and related commands in .pdbrc
|
|
files. Also, add a command-line option "-c" that runs a command as if given
|
|
in .pdbrc.
|
|
|
|
- Issue #4179: In pdb, allow "list ." as a command to return to the currently
|
|
debugged line.
|
|
|
|
- Issue #4108: In urllib.robotparser, if there are multiple 'User-agent: *'
|
|
entries, consider the first one.
|
|
|
|
- Issue #6630: Allow customizing regex flags when subclassing the
|
|
string.Template class.
|
|
|
|
- Issue #9411: Allow specifying an encoding for config files in the configparser
|
|
module.
|
|
|
|
- Issue #1682942: Improvements to configparser: support alternate delimiters,
|
|
alternate comment prefixes and empty lines in values.
|
|
|
|
- Issue #9354: Provide getsockopt() in asyncore's file_wrapper.
|
|
|
|
- Issue #8966: ctypes: Remove implicit bytes-unicode conversion.
|
|
|
|
- Issue #9378: python -m pickle <pickle file> will now load and display the
|
|
first object in the pickle file.
|
|
|
|
- Issue #4770: Restrict binascii module to accept only bytes (as specified).
|
|
And fix the email package to encode to ASCII instead of ``raw-unicode-escape``
|
|
before ASCII-to-binary decoding.
|
|
|
|
- Issue #9384: ``python -m tkinter`` will now display a simple demo applet.
|
|
|
|
- The default size of the re module's compiled regular expression cache has been
|
|
increased from 100 to 500 and the cache replacement policy has changed from
|
|
simply clearing the entire cache on overflow to forgetting the least recently
|
|
used cached compiled regular expressions. This is a performance win for
|
|
applications that use a lot of regular expressions and limits the impact of
|
|
the performance hit anytime the cache is exceeded.
|
|
|
|
- Issue #7113: Speed up loading in configparser. Patch by Łukasz Langa.
|
|
|
|
- Issue #9032: XML-RPC client retries the request on EPIPE error. The EPIPE
|
|
error occurs when the server closes the socket and the client sends a big
|
|
XML-RPC request.
|
|
|
|
- Issue #4629: getopt raises an error if an argument ends with "=", whereas
|
|
getopt doesn't accept a value (eg. --help= is rejected if getopt uses
|
|
['help='] long options).
|
|
|
|
- Issue #7989: Added pure python implementation of the `datetime` module. The C
|
|
module is renamed to `_datetime` and if available, overrides all classes
|
|
defined in datetime with fast C impementation. Python implementation is based
|
|
on the original python prototype for the datetime module by Tim Peters with
|
|
minor modifications by the PyPy project. The test suite now tests `datetime`
|
|
module with and without `_datetime` acceleration using the same test cases.
|
|
|
|
- Issue #7895: platform.mac_ver() no longer crashes after calling os.fork().
|
|
|
|
- Issue #9323: Fixed a bug in trace.py that resulted in loosing the name of the
|
|
script being traced. Patch by Eli Bendersky.
|
|
|
|
- Issue #9282: Fixed --listfuncs option of trace.py. Thanks Eli Bendersky for
|
|
the patch.
|
|
|
|
- Issue #3704: http.cookiejar was not properly handling URLs with a / in the
|
|
parameters.
|
|
|
|
- Issue #9268: ``pickletools.dis()`` now has an optional *annotate* argument
|
|
which controls printing of opcode descriptions in ``dis()`` output.
|
|
|
|
- Issue #1555570: email no longer inserts extra blank lines when a \r\n combo
|
|
crosses an 8192 byte boundary.
|
|
|
|
- Issue #9243: Fix sndhdr module and add unit tests, contributed by James Lee.
|
|
|
|
- ``ast.literal_eval()`` now allows byte literals.
|
|
|
|
- Issue #9137: Fix issue in MutableMapping.update, which incorrectly treated
|
|
keyword arguments called 'self' or 'other' specially.
|
|
|
|
- ``ast.literal_eval()`` now allows set literals.
|
|
|
|
- Issue #9164: Ensure that sysconfig handles duplicate -arch flags in CFLAGS.
|
|
|
|
- Issue #7646: The fnmatch pattern cache no longer grows without bound.
|
|
|
|
- Issue #9136: Fix 'dictionary changed size during iteration' RuntimeError
|
|
produced when profiling the decimal module. This was due to a dangerous
|
|
iteration over 'locals()' in Context.__init__.
|
|
|
|
- Fix extreme speed issue in Decimal.pow when the base is an exact power of 10
|
|
and the exponent is tiny (for example, ``Decimal(10) **
|
|
Decimal('1e-999999999')``).
|
|
|
|
- Issue #9186: Fix math.log1p(-1.0) to raise ValueError, not OverflowError.
|
|
|
|
- Issue #9130: Fix validation of relative imports in parser module.
|
|
|
|
- Issue #9128: Fix validation of class decorators in parser module.
|
|
|
|
- Issue #9094: python -m pickletools will now disassemble pickle files listed in
|
|
the command line arguments. See output of python -m pickletools -h for more
|
|
details.
|
|
|
|
- Issue #5468: urlencode to handle bytes type and other encodings in its query
|
|
parameter. Patch by Dan Mahn.
|
|
|
|
- Issue #7673: Fix security vulnerability (CVE-2010-2089) in the audioop module,
|
|
ensure that the input string length is a multiple of the frame size.
|
|
|
|
- Issue #6507: Accept source strings in dis.dis(). Original patch by Daniel
|
|
Urban.
|
|
|
|
- Issue #7829: Clearly document that the dis module is exposing an
|
|
implementation detail that is not stable between Python VMs or releases.
|
|
|
|
- Issue #6589: cleanup asyncore.socket_map in case smtpd.SMTPServer constructor
|
|
raises an exception.
|
|
|
|
- Issue #9110: Addition of ContextDecorator to contextlib, for creating APIs
|
|
that act as both context managers and decorators. contextmanager changes to
|
|
use ContextDecorator.
|
|
|
|
- Implement importlib.abc.SourceLoader and deprecate PyLoader and PyPycLoader
|
|
for removal in Python 3.4.
|
|
|
|
- Issue #9064: pdb's "up" and "down" commands now accept an optional argument
|
|
giving the number of frames to go.
|
|
|
|
- Issue #9018: os.path.normcase() now raises a TypeError if the argument is not
|
|
``str`` or ``bytes``.
|
|
|
|
- Issue #9075: In the ssl module, remove the setting of a ``debug`` flag on an
|
|
OpenSSL structure.
|
|
|
|
- Issue #8682: The ssl module now temporary increments the reference count of a
|
|
socket object got through ``PyWeakref_GetObject``, so as to avoid possible
|
|
deallocation while the object is still being used.
|
|
|
|
- Issue #1368368: FancyURLOpener class changed to throw an Exception on wrong
|
|
password instead of presenting an interactive prompt. Older behavior can be
|
|
obtained by passing retry=True to http_error_xxx methods of FancyURLOpener.
|
|
|
|
- Issue #8720: Fix regression caused by fix for #4050 by making getsourcefile
|
|
smart enough to find source files in the linecache.
|
|
|
|
- Issue #5610: feedparser no longer eats extra characters at the end of a body
|
|
part if the body part ends with a ``\r\n``.
|
|
|
|
- Issue #8986: math.erfc was incorrectly raising OverflowError for values
|
|
between -27.3 and -30.0 on some platforms.
|
|
|
|
- Issue #8784: Set tarfile default encoding to 'utf-8' on Windows.
|
|
|
|
- Issue #8966: If a ctypes structure field is an array of c_char, convert its
|
|
value to bytes instead of str (as done for c_char and c_char_p).
|
|
|
|
- Issue #8188: Comparisons between Decimal and Fraction objects are now
|
|
permitted, returning a result based on the exact numerical values of the
|
|
operands. This builds on issue #2531, which allowed Decimal-to-float
|
|
comparisons; all comparisons involving numeric types (bool, int, float,
|
|
complex, Decimal, Fraction) should now act as expected.
|
|
|
|
- Issue #8897: Fix sunau module, use bytes to write the header. Patch written by
|
|
Thomas Jollans.
|
|
|
|
- Issue #8899: time.struct_time now has class and atribute docstrings.
|
|
|
|
- Issue #6470: Drop UNC prefix in FixTk.
|
|
|
|
- Issue #4768: base64 encoded email body parts were incorrectly stored as binary
|
|
strings. They are now correctly converted to strings.
|
|
|
|
- Issue #8833: tarfile created hard link entries with a size field != 0 by
|
|
mistake.
|
|
|
|
- Charset.body_encode now correctly handles base64 encoding by encoding with the
|
|
output_charset before calling base64mime.encode. Passes the tests from 2.x
|
|
issue #1368247.
|
|
|
|
- Issue #8845: sqlite3 Connection objects now have a read-only in_transaction
|
|
attribute that is True iff there are uncommitted changes.
|
|
|
|
- Issue #1289118: datetime.timedelta objects can now be multiplied by float and
|
|
divided by float and int objects. Results are rounded to the nearest multiple
|
|
of timedelta.resolution with ties resolved using round-half-to-even method.
|
|
|
|
- Issue #7150: Raise OverflowError if the result of adding or subtracting
|
|
timedelta from date or datetime falls outside of the MINYEAR:MAXYEAR range.
|
|
|
|
- Issue #8806: add SSL contexts support to ftplib.
|
|
|
|
- Issue #4769: Fix main() function of the base64 module, use sys.stdin.buffer
|
|
and sys.stdout.buffer (instead of sys.stdin and sys.stdout) to use the bytes
|
|
API.
|
|
|
|
- Issue #8770: Now sysconfig displays information when it's called as a script.
|
|
Initial idea by Sridhar Ratnakumar.
|
|
|
|
- Issue #6662: Fix parsing of malformatted charref (&#bad;), patch written by
|
|
Fredrik Håård.
|
|
|
|
- Issue #8540: Decimal module: rename the Context._clamp attribute to
|
|
Context.clamp and make it public. This is useful in creating contexts that
|
|
correspond to the decimal interchange formats specified in IEEE 754.
|
|
|
|
- Issue #6268: Fix seek() method of codecs.open(), don't read or write the BOM
|
|
twice after seek(0). Fix also reset() method of codecs, UTF-16, UTF-32 and
|
|
StreamWriter classes.
|
|
|
|
- Issue #3798: sys.exit(message) writes the message to sys.stderr file, instead
|
|
of the C file stderr, to use stderr encoding and error handler.
|
|
|
|
- Issue #8782: Add a trailing newline in linecache.updatecache to the last line
|
|
of files without one.
|
|
|
|
- Issue #8729: Return NotImplemented from collections.Mapping.__eq__ when
|
|
comparing to a non-mapping.
|
|
|
|
- Issue #8774: tabnanny uses the encoding cookie (#coding:...) to use the
|
|
correct encoding.
|
|
|
|
- Issue #4870: Add an `options` attribute to SSL contexts, as well as several
|
|
``OP_*`` constants to the `ssl` module. This allows to selectively disable
|
|
protocol versions, when used in combination with `PROTOCOL_SSLv23`.
|
|
|
|
- Issue #8759: Fixed user paths in sysconfig for posix and os2 schemes.
|
|
|
|
- Issue #8663: distutils.log emulates backslashreplace error handler. Fix
|
|
compilation in a non-ASCII directory if stdout encoding is ASCII (eg. if
|
|
stdout is not a TTY).
|
|
|
|
- Issue #8513: os.get_exec_path() supports b'PATH' key and bytes value.
|
|
subprocess.Popen() and os._execvpe() support bytes program name. Add
|
|
os.supports_bytes_environ flag: True if the native OS type of the environment
|
|
is bytes (eg. False on Windows).
|
|
|
|
- Issue #8633: tarfile is now able to read and write archives with "raw" binary
|
|
pax headers as described in POSIX.1-2008.
|
|
|
|
- Issue #1285086: Speed up urllib.parse functions: quote, quote_from_bytes,
|
|
unquote, unquote_to_bytes.
|
|
|
|
- Issue #8688: Distutils now recalculates MANIFEST everytime.
|
|
|
|
- Issue #8477: ssl.RAND_egd() and ssl._test_decode_cert() support str with
|
|
surrogates and bytes for the filename.
|
|
|
|
- Issue #8550: Add first class ``SSLContext`` objects to the ssl module.
|
|
|
|
- Issue #8681: Make the zlib module's error messages more informative when the
|
|
zlib itself doesn't give any detailed explanation.
|
|
|
|
- The audioop module now supports sound fragments of length greater than 2**31
|
|
bytes on 64-bit machines, and is PY_SSIZE_T_CLEAN.
|
|
|
|
- Issue #4972: Add support for the context manager protocol to the ftplib.FTP
|
|
class.
|
|
|
|
- Issue #8664: In py_compile, create __pycache__ when the compiled path is
|
|
given.
|
|
|
|
- Issue #8514: Add os.fsencode() function (Unix only): encode a string to bytes
|
|
for use in the file system, environment variables or the command line.
|
|
|
|
- Issue #8571: Fix an internal error when compressing or decompressing a chunk
|
|
larger than 1GB with the zlib module's compressor and decompressor objects.
|
|
|
|
- Issue #8603: Support bytes environmental variables on Unix: Add os.environb
|
|
mapping and os.getenvb() function. os.unsetenv() encodes str argument to the
|
|
file system encoding with the surrogateescape error handler (instead of
|
|
utf8/strict) and accepts bytes. posix.environ keys and values are now bytes.
|
|
|
|
- Issue #8573: asyncore _strerror() function might throw ValueError.
|
|
|
|
- Issue #8483: asyncore.dispatcher's __getattr__ method produced confusing error
|
|
messages when accessing undefined class attributes because of the cheap
|
|
inheritance with the underlying socket object. The cheap inheritance has been
|
|
deprecated.
|
|
|
|
- Issue #4265: shutil.copyfile() was leaking file descriptors when disk fills.
|
|
Patch by Tres Seaver.
|
|
|
|
- Issue #8390: tarfile uses surrogateescape as the default error handler
|
|
(instead of replace in read mode or strict in write mode).
|
|
|
|
- Issue #7755: Use an unencumbered audio file for tests.
|
|
|
|
- Issue #8621: uuid.uuid4() returned the same sequence of values in the parent
|
|
and any children created using ``os.fork`` on MacOS X 10.6.
|
|
|
|
- Issue #8567: Fix precedence of signals in Decimal module: when a Decimal
|
|
operation raises multiple signals and more than one of those signals is
|
|
trapped, the specification determines the order in which the signals should be
|
|
handled. In many cases this order wasn't being followed, leading to the wrong
|
|
Python exception being raised.
|
|
|
|
- Issue #7865: The close() method of :mod:`io` objects should not swallow
|
|
exceptions raised by the implicit flush(). Also qensure that calling close()
|
|
several times is supported. Patch by Pascal Chambon.
|
|
|
|
- Issue #4687: Fix accuracy of garbage collection runtimes displayed with
|
|
gc.DEBUG_STATS.
|
|
|
|
- Issue #8354: The siginterrupt setting is now preserved for all signals, not
|
|
just SIGCHLD.
|
|
|
|
- Issue #7192: webbrowser.get("firefox") now works on Mac OS X, as does
|
|
webbrowser.get("safari").
|
|
|
|
- Issue #8464: tarfile no longer creates files with execute permissions set when
|
|
mode="w|" is used.
|
|
|
|
- Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions of
|
|
the Linux kernel. Patch by Yaniv Aknin.
|
|
|
|
- Issue #8295: Added shutil.unpack_archive.
|
|
|
|
- Issue #6312: Fixed http HEAD request when the transfer encoding is chunked.
|
|
It should correctly return an empty response now.
|
|
|
|
- Issue #8546: Reject None given as the buffering argument to _pyio.open.
|
|
|
|
- Issue #8549: Fix compiling the _ssl extension under AIX. Patch by
|
|
Sridhar Ratnakumar.
|
|
|
|
- Issue #6656: fix locale.format_string to handle escaped percents
|
|
and mappings.
|
|
|
|
- Issue #2302: Fix a race condition in SocketServer.BaseServer.shutdown, where
|
|
the method could block indefinitely if called just before the event loop
|
|
started running. This also fixes the occasional freezes witnessed in
|
|
test_httpservers.
|
|
|
|
- Issue #8524: When creating an SSL socket, the timeout value of the original
|
|
socket wasn't retained (instead, a socket with a positive timeout would be
|
|
turned into a non-blocking SSL socket).
|
|
|
|
- Issue #5103: SSL handshake would ignore the socket timeout and block
|
|
indefinitely if the other end didn't respond.
|
|
|
|
- The do_handshake() method of SSL objects now adjusts the blocking mode of the
|
|
SSL structure if necessary (as other methods already do).
|
|
|
|
- Issue #8391: os.execvpe() and os.getenv() supports unicode with surrogates and
|
|
bytes strings for environment keys and values.
|
|
|
|
- Issue #8467: Pure Python implementation of subprocess encodes the error
|
|
message using surrogatepass error handler to support surrogates in the
|
|
message.
|
|
|
|
- Issue #8468: bz2.BZ2File() accepts str with surrogates and bytes filenames.
|
|
|
|
- Issue #8451: Syslog module now uses basename(sys.argv[0]) instead of the
|
|
string "python" as the *ident*. openlog() arguments are all optional and
|
|
keywords.
|
|
|
|
- Issue #8108: Fix the unwrap() method of SSL objects when the socket has a
|
|
non-infinite timeout. Also make that method friendlier with applications
|
|
wanting to continue using the socket in clear-text mode, by disabling
|
|
OpenSSL's internal readahead. Thanks to Darryl Miles for guidance.
|
|
|
|
- Issue #8496: make mailcap.lookup() always return a list, rather than an
|
|
iterator. Patch by Gregory Nofi.
|
|
|
|
- Issue #8195: Fix a crash in sqlite Connection.create_collation() if the
|
|
collation name contains a surrogate character.
|
|
|
|
- Issue #8484: Load all ciphers and digest algorithms when initializing the _ssl
|
|
extension, such that verification of some SSL certificates doesn't fail
|
|
because of an "unknown algorithm".
|
|
|
|
- Issue #6547: Added the ignore_dangling_symlinks option to shutil.copytree.
|
|
|
|
- Issue #1540112: Now allowing the choice of a copy function in shutil.copytree.
|
|
|
|
- Issue #4814: timeout parameter is now applied also for connections resulting
|
|
from PORT/EPRT commands.
|
|
|
|
- Issue #8463: added missing reference to bztar in shutil's documentation.
|
|
|
|
- Issue #7154: urllib.request can now detect the proxy settings on OSX 10.6 (as
|
|
long as the user didn't specify 'automatic proxy configuration').
|
|
|
|
- Issue #3817: ftplib.FTP.abort() method now considers 225 a valid response code
|
|
as stated in RFC-959 at chapter 5.4.
|
|
|
|
- Issue #8394: _ctypes.dlopen() accepts bytes, bytearray and str with
|
|
surrogates.
|
|
|
|
- Issue #850728: Add a *timeout* parameter to the `acquire()` method of
|
|
`threading.Semaphore` objects. Original patch by Torsten Landschoff.
|
|
|
|
- Issue #8322: Add a *ciphers* argument to SSL sockets, so as to change the
|
|
available cipher list. Helps fix test_ssl with OpenSSL 1.0.0.
|
|
|
|
- Issue #8393: subprocess accepts bytes, bytearray and str with surrogates for
|
|
the current working directory.
|
|
|
|
- Issue #7606: XML-RPC traceback stored in X-traceback is now encoded to ASCII
|
|
using backslashreplace error handler.
|
|
|
|
- Issue #8412: os.system() now accepts bytes, bytearray and str with surrogates.
|
|
|
|
- Issue #2987: RFC2732 support for urlparse (IPv6 addresses). Patch by Tony
|
|
Locke and Hans Ulrich Niedermann.
|
|
|
|
- Issue #5277: Fix quote counting when parsing RFC 2231 encoded parameters.
|
|
|
|
- Issue #7316: The acquire() method of lock objects in the :mod:`threading`
|
|
module now takes an optional timeout argument in seconds. Timeout support
|
|
relies on the system threading library, so as to avoid a semi-busy wait loop.
|
|
|
|
- Issue #8383: pickle and pickletools use surrogatepass error handler when
|
|
encoding unicode as utf8 to support lone surrogates and stay compatible with
|
|
Python 2.x and 3.x.
|
|
|
|
- Issue #7585: difflib context and unified diffs now place a tab between
|
|
filename and date, conforming to the 'standards' they were originally designed
|
|
to follow. This improves compatibility with patch tools.
|
|
|
|
- Issue #7472: Fixed typo in email.encoders module; messages using ISO-2022
|
|
character sets will now consistently use a Content-Transfer-Encoding of 7bit
|
|
rather than sometimes being marked as 8bit.
|
|
|
|
- Issue #8375: test_distutils now checks if the temporary directory are still
|
|
present before it cleans them.
|
|
|
|
- Issue #8374: Update the internal alias table in the :mod:`locale` module to
|
|
cover recent locale changes and additions.
|
|
|
|
- Issue #8321: Give access to OpenSSL version numbers from the `ssl` module,
|
|
using the new attributes `ssl.OPENSSL_VERSION`, `ssl.OPENSSL_VERSION_INFO` and
|
|
`ssl.OPENSSL_VERSION_NUMBER`.
|
|
|
|
- Add functools.total_ordering() and functools.cmp_to_key().
|
|
|
|
- Issue #8257: The Decimal construct now accepts a float instance directly,
|
|
converting that float to a Decimal of equal value:
|
|
|
|
>>> Decimal(1.1)
|
|
Decimal('1.100000000000000088817841970012523233890533447265625')
|
|
|
|
- Issue #8294: The Fraction constructor now accepts Decimal and float instances
|
|
directly.
|
|
|
|
- Issue #7279: Comparisons involving a Decimal signaling NaN now signal
|
|
InvalidOperation instead of returning False. (Comparisons involving a quiet
|
|
NaN are unchanged.) Also, Decimal quiet NaNs are now hashable; Decimal
|
|
signaling NaNs remain unhashable.
|
|
|
|
- Issue #2531: Comparison operations between floats and Decimal instances now
|
|
return a result based on the numeric values of the operands; previously they
|
|
returned an arbitrary result based on the relative ordering of id(float) and
|
|
id(Decimal). See also issue #8188, which adds Decimal-to-Fraction
|
|
comparisons.
|
|
|
|
- Added a subtract() method to collections.Counter().
|
|
|
|
- Issue #8233: When run as a script, py_compile.py optionally takes a single
|
|
argument `-` which tells it to read files to compile from stdin. Each line is
|
|
read on demand and the named file is compiled immediately. (Original patch by
|
|
Piotr Ożarowski).
|
|
|
|
- Backwards incompatible change: Unicode codepoints line tabulation (0x0B) and
|
|
form feed (0x0C) are now considered linebreaks, as specified in Unicode
|
|
Standard Annex #14. See issue #7643. http://www.unicode.org/reports/tr14/
|
|
|
|
- Comparisons using one of <, <=, >, >= between a complex instance and a
|
|
Fractions instance now raise TypeError instead of returning True/False. This
|
|
makes Fraction <=> complex comparisons consistent with int <=> complex, float
|
|
<=> complex, and complex <=> complex comparisons.
|
|
|
|
- Issue #8139: ossaudiodev didn't initialize its types properly, therefore some
|
|
methods (such as oss_mixer_device.fileno()) were not available. Initial patch
|
|
by Bertrand Janin.
|
|
|
|
- Issue #8205: Remove the "Modules" directory from sys.path when Python is
|
|
running from the build directory (POSIX only).
|
|
|
|
- Issue #7512: shutil.copystat() could raise an OSError when the filesystem
|
|
didn't support chflags() (for example ZFS under FreeBSD). The error is now
|
|
silenced.
|
|
|
|
- Issue #7860: platform.uname now reports the correct 'machine' type when Python
|
|
is running in WOW64 mode on 64 bit Windows.
|
|
|
|
- Issue #3890, #8222: Fix recv() and recv_into() on non-blocking SSL sockets.
|
|
Also, enable the SSL_MODE_AUTO_RETRY flag on SSL sockets, so that blocking
|
|
reads and writes are always retried by OpenSSL itself.
|
|
|
|
- Issue #4282: Fix the main function of the profile module for a non-ASCII
|
|
script, open the file in binary mode and not in text mode with the default
|
|
(utf8) encoding.
|
|
|
|
- Issue #8179: Fix macpath.realpath() on a non-existing path.
|
|
|
|
- Issue #8024: Update the Unicode database to 5.2.
|
|
|
|
- Issue #8168: py_compile now handles files with utf-8 BOMS.
|
|
|
|
- ``tokenize.detect_encoding`` now returns ``'utf-8-sig'`` when a UTF-8 BOM is
|
|
detected.
|
|
|
|
- Issue #6716/2: Backslash-replace error output in compilall.
|
|
|
|
- Issue #4961: Inconsistent/wrong result of askyesno function in tkMessageBox
|
|
with Tcl/Tk-8.5.
|
|
|
|
- Issue #8140: extend compileall to compile single files. Add -i option.
|
|
|
|
- Issue #7356: ctypes.util: Make parsing of ldconfig output independent of the
|
|
locale.
|
|
|
|
- The internals of the subprocess module on POSIX systems have been replaced by
|
|
an extension module (_posixsubprocess) so that the fork()+exec() can be done
|
|
safely without the possibility of deadlock in multithreaded applications.
|
|
|
|
- subprocess.Popen now has restore_signals and start_new_session features. The
|
|
default of restore_signals=True is a new behavior compared to earlier Python
|
|
versions. This means that signals such as SIGPIPE are not ignored by default
|
|
in subprocesses launched by Python (Issue #1652).
|
|
|
|
- Issue #6472: The xml.etree package is updated to ElementTree 1.3. The
|
|
cElementTree module is updated too.
|
|
|
|
- Issue #7774: Set sys.executable to an empty string if argv[0] has been set to
|
|
an non existent program name and Python is unable to retrieve the real program
|
|
name.
|
|
|
|
- Issue #7880: Fix sysconfig when the python executable is a symbolic link.
|
|
|
|
- Issue #6509: fix re.sub to work properly when the pattern, the string, and the
|
|
replacement were all bytes. Patch by Antoine Pitrou.
|
|
|
|
- The sqlite3 module was updated to pysqlite 2.6.0. This fixes several obscure
|
|
bugs and allows loading SQLite extensions from shared libraries.
|
|
|
|
- Issue #1054943: Fix ``unicodedata.normalize('NFC', text)`` for the Public
|
|
Review Issue #29 (http://unicode.org/review/pr-29.html).
|
|
|
|
- Issue #7494: fix a crash in _lsprof (cProfile) after clearing the profiler,
|
|
reset also the pointer to the current pointer context.
|
|
|
|
- Issue #7232: Add support for the context manager protocol to the TarFile
|
|
class.
|
|
|
|
- Issue #7250: Fix info leak of os.environ across multi-run uses of
|
|
wsgiref.handlers.CGIHandler.
|
|
|
|
- Issue #1729305: Fix doctest to handle encode error with "backslashreplace".
|
|
|
|
- Issue #691291: codecs.open() should not convert end of lines on reading and
|
|
writing.
|
|
|
|
- Issue #7869: logging: improved diagnostic for format-time errors.
|
|
|
|
- Issue #7868: logging: added loggerClass attribute to Manager.
|
|
|
|
- logging: Implemented PEP 391.
|
|
|
|
- Issue #1537721: Add a writeheader() method to csv.DictWriter.
|
|
|
|
- Issue #7959: ctypes callback functions are now registered correctly with the
|
|
cycle garbage collector.
|
|
|
|
- Issue #5801: removed spurious empty lines in wsgiref.
|
|
|
|
- Issue #6666: fix bug in trace.py that applied the list of directories to be
|
|
ignored only to the first file. Noted by Bogdan Opanchuk.
|
|
|
|
- Issue #7597: curses.use_env() can now be called before initscr(). Noted by
|
|
Kan-Ru Chen.
|
|
|
|
- Issue #7310: fix the __repr__ of os.environ to show the environment variables.
|
|
|
|
- Issue #7970: email.Generator.flatten now correctly flattens message/rfc822
|
|
messages parsed by email.Parser.HeaderParser.
|
|
|
|
- Issue #7361: Importlib was not properly checking the number of bytes in
|
|
bytecode file when it was less then 8 bytes.
|
|
|
|
- Issue #7633: In the decimal module, Context class methods (with the exception
|
|
of canonical and is_canonical) now accept instances of int and long wherever a
|
|
Decimal instance is accepted, and implicitly convert that argument to Decimal.
|
|
Previously only some arguments were converted.
|
|
|
|
- Issue #7835: shelve should no longer produce mysterious warnings during
|
|
interpreter shutdown.
|
|
|
|
- Issue #2746: Don't escape ampersands and angle brackets ("&", "<", ">") in XML
|
|
processing instructions and comments. These raw characters are allowed by the
|
|
XML specification, and are necessary when outputting e.g. PHP code in a
|
|
processing instruction. Patch by Neil Muller.
|
|
|
|
- Issue #6233: ElementTree failed converting unicode characters to XML entities
|
|
when they could't be represented in the requested output encoding. Patch by
|
|
Jerry Chen.
|
|
|
|
- Issue #6003: add an argument to ``zipfile.Zipfile.writestr`` to specify the
|
|
compression type.
|
|
|
|
- Issue #4772: Raise a ValueError when an unknown Bluetooth protocol is
|
|
specified, rather than fall through to AF_PACKET (in the `socket` module).
|
|
Also, raise ValueError rather than TypeError when an unknown TIPC address type
|
|
is specified. Patch by Brian Curtin.
|
|
|
|
- Issue #6939: Fix file I/O objects in the `io` module to keep the original file
|
|
position when calling `truncate()`. It would previously change the file
|
|
position to the given argument, which goes against the tradition of
|
|
ftruncate() and other truncation APIs. Patch by Pascal Chambon.
|
|
|
|
- Issue #7610: Reworked implementation of the internal
|
|
:class:`zipfile.ZipExtFile` class used to represent files stored inside an
|
|
archive. The new implementation is significantly faster and can be wrapped in
|
|
a :class:`io.BufferedReader` object for more speedups. It also solves an
|
|
issue where interleaved calls to `read()` and `readline()` give wrong results.
|
|
Patch by Nir Aides.
|
|
|
|
- Issue #6963: Added "maxtasksperchild" argument to multiprocessing.Pool,
|
|
allowing for a maximum number of tasks within the pool to be completed by the
|
|
worker before that worker is terminated, and a new one created to replace it.
|
|
|
|
- Issue #7792: Registering non-classes to ABCs raised an obscure error.
|
|
|
|
- Issue #7785: Don't accept bytes in FileIO.write().
|
|
|
|
- Removed the functions 'verify' and 'vereq' from Lib/test/support.py.
|
|
|
|
- Issue #7773: Fix an UnboundLocalError in platform.linux_distribution() when
|
|
the release file is empty.
|
|
|
|
- Issue #7561: Fix crashes when using bytearray objects with the posix
|
|
module.
|
|
|
|
- Issue #1670765: Prevent email.generator.Generator from re-wrapping headers in
|
|
multipart/signed MIME parts, which fixes one of the sources of invalid
|
|
modifications to such parts by Generator.
|
|
|
|
- Issue #7703: Add support for the new buffer API to `binascii.a2bhqx`. Patch
|
|
by Florent Xicluna, along with some additional tests.
|
|
|
|
- Issue #7701: Fix crash in binascii.b2a_uu() in debug mode when given a 1-byte
|
|
argument. Patch by Victor Stinner.
|
|
|
|
- Issue #3299: Fix possible crash in the _sre module when given bad argument
|
|
values in debug mode. Patch by Victor Stinner.
|
|
|
|
- Issue #2846: Add support for gzip.GzipFile reading zero-padded files. Patch
|
|
by Brian Curtin.
|
|
|
|
- Issue #7681: Use floor division in appropiate places in the wave module.
|
|
|
|
- Issue #5372: Drop the reuse of .o files in Distutils' ccompiler (since
|
|
Extension extra options may change the output without changing the .c
|
|
file). Initial patch by Collin Winter.
|
|
|
|
- Issue #7617: Make sure distutils.unixccompiler.UnixCCompiler recognizes gcc
|
|
when it has a fully qualified configuration prefix. Initial patch by Arfrever.
|
|
|
|
- Issue #7105: Make WeakKeyDictionary and WeakValueDictionary robust against the
|
|
destruction of weakref'ed objects while iterating.
|
|
|
|
- Issue #7455: Fix possible crash in cPickle on invalid input. Patch by Victor
|
|
Stinner.
|
|
|
|
- Issue #1628205: Socket file objects returned by socket.socket.makefile() now
|
|
properly handles EINTR within the read, readline, write & flush methods. The
|
|
socket.sendall() method now properly handles interrupted system calls.
|
|
|
|
- Issue #7471: Improve the performance of GzipFile's buffering mechanism, and
|
|
make it implement the `io.BufferedIOBase` ABC to allow for further speedups by
|
|
wrapping it in an `io.BufferedReader`. Patch by Nir Aides.
|
|
|
|
- Issue #3972: http.client.HTTPConnection now accepts an optional source_address
|
|
parameter to allow specifying where your connections come from.
|
|
|
|
- socket.create_connection now accepts an optional source_address parameter.
|
|
|
|
- Issue #5511: now zipfile.ZipFile can be used as a context manager. Initial
|
|
patch by Brian Curtin.
|
|
|
|
- Issue #7556: Make sure Distutils' msvc9compile reads and writes the MSVC XML
|
|
Manifest file in text mode so string patterns can be used in regular
|
|
expressions.
|
|
|
|
- Issue #7552: Removed line feed in the base64 Authorization header in the
|
|
Distutils upload command to avoid an error when PyPI reads it. This occurs on
|
|
long passwords. Initial patch by JP St. Pierre.
|
|
|
|
- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
|
|
Tatsuhiro Tsujikawa.
|
|
|
|
- Issue #4757: `zlib.compress` and other methods in the zlib module now raise a
|
|
TypeError when given an `str` object (rather than a `bytes`-like object).
|
|
Patch by Victor Stinner and Florent Xicluna.
|
|
|
|
- Issue #7349: Make methods of file objects in the io module accept None as an
|
|
argument where file-like objects (ie StringIO and BytesIO) accept them to mean
|
|
the same as passing no argument.
|
|
|
|
- Issue #7357: tarfile no longer suppresses fatal extraction errors by default.
|
|
|
|
- Issue #5949: added check for correct lineends in input from IMAP server in
|
|
imaplib.
|
|
|
|
- Add count() and reverse() methods to collections.deque().
|
|
|
|
- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
|
|
|
|
- Issue #6986: Fix crash in the JSON C accelerator when called with the wrong
|
|
parameter types. Patch by Victor Stinner.
|
|
|
|
- Issue #7457: added a read_pkg_file method to
|
|
distutils.dist.DistributionMetadata.
|
|
|
|
- logging: Added optional `secure` parameter to SMTPHandler, to enable use of
|
|
TLS with authentication credentials.
|
|
|
|
- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is generated
|
|
in Distutils. Patch by Stephen Emslie.
|
|
|
|
- Issue #4120: Drop reference to CRT from manifest when building extensions with
|
|
msvc9compiler.
|
|
|
|
- Issue #7333: The `posix` module gains an `initgroups()` function providing
|
|
access to the initgroups(3) C library call on Unix systems which implement it.
|
|
Patch by Jean-Paul Calderone.
|
|
|
|
- Issue #7408: Fixed distutils.tests.sdist so it doesn't check for group
|
|
ownership when the group is not forced, because the group may be different
|
|
from the user's group and inherit from its container when the test is run.
|
|
|
|
- Issue #4486: When an exception has an explicit cause, do not print its
|
|
implicit context too. This affects the `traceback` module as well as built-in
|
|
exception printing.
|
|
|
|
- Issue #1515: Enable use of deepcopy() with instance methods. Patch by Robert
|
|
Collins.
|
|
|
|
- Issue #7403: logging: Fixed possible race condition in lock creation.
|
|
|
|
- Issue #6845: Add restart support for binary upload in ftplib. The
|
|
`storbinary()` method of FTP and FTP_TLS objects gains an optional `rest`
|
|
argument. Patch by Pablo Mouzo.
|
|
|
|
- Issue #5788: `datetime.timedelta` objects get a new `total_seconds()` method
|
|
returning the total number of seconds in the duration. Patch by Brian
|
|
Quinlan.
|
|
|
|
- Issue #7133: SSL objects now support the new buffer API.
|
|
|
|
- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters.
|
|
|
|
- Issue #6123: tarfile now opens empty archives correctly and consistently
|
|
raises ReadError on empty files.
|
|
|
|
- Issue #7354: distutils.tests.test_msvc9compiler - dragfullwindows can be 2.
|
|
|
|
- Issue #5037: Proxy the __bytes__ special method instead to __bytes__ instead
|
|
of __str__.
|
|
|
|
- Issue #7341: Close the internal file object in the TarFile constructor in case
|
|
of an error.
|
|
|
|
- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
|
|
Windows box. Help provided by David Bolen.
|
|
|
|
- Issue #2054: ftplib now provides an FTP_TLS class to do secure FTP using TLS
|
|
or SSL. Patch by Giampaolo Rodola'.
|
|
|
|
- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch.
|
|
|
|
- Issue #4969: The mimetypes module now reads the MIME database from the
|
|
registry under Windows. Patch by Gabriel Genellina.
|
|
|
|
- Issue #6816: runpy now provides a run_path function that allows Python code to
|
|
execute file paths that refer to source or compiled Python files as well as
|
|
zipfiles, directories and other valid sys.path entries that contain a
|
|
__main__.py file. This allows applications that run other Python scripts to
|
|
support the same flexibility as the CPython command line itself.
|
|
|
|
- Issue #7318: multiprocessing now uses a timeout when it fails to establish a
|
|
connection with another process, rather than looping endlessly. The default
|
|
timeout is 20 seconds, which should be amply sufficient for local connections.
|
|
|
|
- Issue #7197: Allow unittest.TextTestRunner objects to be pickled and
|
|
unpickled. This fixes crashes under Windows when trying to run
|
|
test_multiprocessing in verbose mode.
|
|
|
|
- Issue #7893: ``unittest.TextTestResult`` is made public and a ``resultclass``
|
|
argument added to the TextTestRunner constructor allowing a different result
|
|
class to be used without having to subclass.
|
|
|
|
- Issue #7588: ``unittest.TextTestResult.getDescription`` now includes the test
|
|
name in failure reports even if the test has a docstring.
|
|
|
|
- Issue #3001: Add a C implementation of recursive locks which is used by
|
|
default when instantiating a `threading.RLock` object. This makes recursive
|
|
locks as fast as regular non-recursive locks (previously, they were slower by
|
|
10x to 15x).
|
|
|
|
- Issue #7282: Fix a memory leak when an RLock was used in a thread other than
|
|
those started through `threading.Thread` (for example, using
|
|
`_thread.start_new_thread()`).
|
|
|
|
- Issue #7187: Importlib would not silence the IOError raised when trying to
|
|
write new bytecode when it was made read-only.
|
|
|
|
- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
|
|
which are part of a reference cycle.
|
|
|
|
- Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
|
|
objects on 64-bit systems. Patch by Michael Broghton.
|
|
|
|
- Issue #6896: mailbox.Maildir now invalidates its internal cache each time a
|
|
modification is done through it. This fixes inconsistencies and test failures
|
|
on systems with slightly bogus mtime behaviour.
|
|
|
|
- Issue #7246 & Issue #7208: getpass now properly flushes input before reading
|
|
from stdin so that existing input does not confuse it and lead to incorrect
|
|
entry or an IOError. It also properly flushes it afterwards to avoid the
|
|
terminal echoing the input afterwards on OSes such as Solaris.
|
|
|
|
- Issue #7233: Fix a number of two-argument Decimal methods to make sure that
|
|
they accept an int or long as the second argument. Also fix buggy handling of
|
|
large arguments (those with coefficient longer than the current precision) in
|
|
shift and rotate.
|
|
|
|
- Issue #4750: Store the basename of the original filename in the gzip FNAME
|
|
header as required by RFC 1952.
|
|
|
|
- Issue #1180: Added a new global option to ignore ~/.pydistutils.cfg in
|
|
Distutils.
|
|
|
|
- Issue #7218: Fix test_site for win32, the directory comparison was done with
|
|
an uppercase.
|
|
|
|
- Issue #7205: Fix a possible deadlock when using a BZ2File object from
|
|
several threads at once.
|
|
|
|
- Issue #7077: logging: SysLogHandler now treats Unicode as per RFC 5424.
|
|
|
|
- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
|
|
larger than emax.
|
|
|
|
- Issue #7080: locale.strxfrm() raises a MemoryError on 64-bit non-Windows
|
|
platforms, and assorted locale fixes by Derk Drukker.
|
|
|
|
- Issue #5833: Fix extra space character in readline completion with the GNU
|
|
readline library version 6.0.
|
|
|
|
- Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment.
|
|
|
|
- Issue #7086: Added TCP support to SysLogHandler, and tidied up some
|
|
anachronisms in the code which were a relic of 1.5.2 compatibility.
|
|
|
|
- Issue #7082: When falling back to the MIME 'name' parameter, the correct place
|
|
to look for it is the Content-Type header.
|
|
|
|
- Make tokenize.detect_coding() normalize utf-8 and iso-8859-1 variants like the
|
|
builtin tokenizer.
|
|
|
|
- Issue #7048: Force Decimal.logb to round its result when that result is too
|
|
large to fit in the current precision.
|
|
|
|
- Issue #6236, #6348: Fix various failures in the I/O library under AIX and
|
|
other platforms, when using a non-gcc compiler. Patch by Derk Drukker.
|
|
|
|
- Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...) does now
|
|
always result in NULL.
|
|
|
|
- Issue #5042: Structure sub-subclass does now initialize correctly with base
|
|
class positional arguments.
|
|
|
|
- Issue #6882: Import uuid creates zombies processes.
|
|
|
|
- Issue #6635: Fix profiler printing usage message.
|
|
|
|
- Issue #6856: Add a filter keyword argument to TarFile.add().
|
|
|
|
- Issue #6888: pdb's alias command was broken when no arguments were given.
|
|
|
|
- Issue #6857: Default format() alignment should be '>' for Decimal instances.
|
|
|
|
- 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 #6239: ctypes.c_char_p return value must return bytes.
|
|
|
|
- Issue #6838: Use a list to accumulate the value instead of repeatedly
|
|
concatenating strings in http.client's HTTPResponse._read_chunked providing a
|
|
significant speed increase when downloading large files servend with a
|
|
Transfer-Encoding of 'chunked'.
|
|
|
|
- Trying to import a submodule from a module that is not a package, ImportError
|
|
should be raised, not AttributeError.
|
|
|
|
- When the globals past to importlib.__import__() has __package__ set to None,
|
|
fall back to computing what __package__ should be instead of giving up.
|
|
|
|
- Raise a TypeError when the name of a module to be imported for
|
|
importlib.__import__ is not a string (was raising an AttributeError before).
|
|
|
|
- Allow the fromlist passed into importlib.__import__ to be any iterable.
|
|
|
|
- Have importlib raise ImportError if None is found in sys.modules.
|
|
|
|
- Issue #6054: Do not normalize stored pathnames in tarfile.
|
|
|
|
- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
|
|
payloads are now ordered by integer value rather than lexicographically.
|
|
|
|
- Issue #1356969: Add missing info methods in tix.HList.
|
|
|
|
- Issue #1522587: New constants and methods for the tix.Grid widget.
|
|
|
|
- Issue #1250469: Fix the return value of tix.PanedWindow.panes.
|
|
|
|
- Issue #1119673: Do not override tkinter.Text methods when creating a
|
|
ScrolledText.
|
|
|
|
- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
|
|
|
|
- Issue #1135: Add the XView and YView mix-ins to avoid duplicating the xview*
|
|
and yview* methods.
|
|
|
|
- Issue #6629: Fix a data corruption issue in the new I/O library, which could
|
|
occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
|
|
"wb+" mode) after having buffered a certain amount of data for reading. This
|
|
bug was not present in the pure Python implementation.
|
|
|
|
- Issue #6622: Fix "local variable 'secret' referenced before assignment" bug in
|
|
POP3.apop.
|
|
|
|
- Issue #2715: Remove remnants of Carbon.File from binhex module.
|
|
|
|
- Issue #6595: The Decimal constructor now allows arbitrary Unicode decimal
|
|
digits in input, as recommended by the standard. Previously it was restricted
|
|
to accepting [0-9].
|
|
|
|
- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
|
|
DO/DONT correctly.
|
|
|
|
- Issue #1424152: Fix for http.client, urllib.request to support SSL while
|
|
working through proxy. Original patch by Christopher Li, changes made by
|
|
Senthil Kumaran.
|
|
|
|
- Add importlib.abc.ExecutionLoader to represent the PEP 302 protocol for
|
|
loaders that allow for modules to be executed. Both importlib.abc.PyLoader and
|
|
PyPycLoader inherit from this class and provide implementations in relation to
|
|
other methods required by the ABCs.
|
|
|
|
- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
|
|
the documentation said it did even though the code in PyLoader relied on the
|
|
abstract method required by ResourceLoader.
|
|
|
|
- Issue #6431: Make Fraction type return NotImplemented when it doesn't know how
|
|
to handle a comparison without loss of precision. Also add correct handling
|
|
of infinities and nans for comparisons with float.
|
|
|
|
- Issue #6415: Fixed warnings.warn segfault on bad formatted string.
|
|
|
|
- Issue #6358: The exit status of a command started with os.popen() was reported
|
|
differently than it did with python 2.x.
|
|
|
|
- Issue #6323: The pdb debugger did not exit when running a script with a syntax
|
|
error.
|
|
|
|
- Issue #3392: The subprocess communicate() method no longer fails in select()
|
|
when file descriptors are large; communicate() now uses poll() when possible.
|
|
|
|
- Issue #6369: Fix an RLE decompression bug in the binhex module.
|
|
|
|
- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
|
|
|
|
- The deprecated function string.maketrans has been removed.
|
|
|
|
- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
|
|
sys.path.
|
|
|
|
- Issue #6218: io.StringIO and io.BytesIO instances are now picklable.
|
|
|
|
- The os.get_exec_path() function to return the list of directories that will be
|
|
searched for an executable when launching a subprocess was added.
|
|
|
|
- Issue #7481: When a threading.Thread failed to start it would leave the
|
|
instance stuck in initial state and present in threading.enumerate().
|
|
|
|
- Issue #1068268: The subprocess module now handles EINTR in internal os.waitpid
|
|
and os.read system calls where appropriate.
|
|
|
|
- Issue #6729: Added ctypes.c_ssize_t to represent ssize_t.
|
|
|
|
- Issue #6247: The argparse module has been added to the standard library.
|
|
|
|
- Issue #8235: _socket: Add the constant ``SO_SETFIB``. SO_SETFIB is a socket
|
|
option available on FreeBSD 7.1 and newer.
|
|
|
|
Extension Modules
|
|
-----------------
|
|
|
|
- Issue #9422: Fix memory leak when re-initializing a struct.Struct object.
|
|
|
|
- Issue #7900: The getgroups(2) system call on MacOSX behaves rather oddly
|
|
compared to other unix systems. In particular, os.getgroups() does not reflect
|
|
any changes made using os.setgroups() but basicly always returns the same
|
|
information as the id command. os.getgroups() can now return more than 16
|
|
groups on MacOSX.
|
|
|
|
- Issue #6095: Make directory argument to os.listdir optional.
|
|
|
|
- Issue #9277: Fix bug in struct.pack for bools in standard mode (e.g.,
|
|
struct.pack('>?')): if conversion to bool raised an exception then that
|
|
exception wasn't properly propagated on machines where char is unsigned.
|
|
|
|
- Issue #5180: Fixed a bug that prevented loading 2.x pickles in 3.x python when
|
|
they contain instances of old-style classes.
|
|
|
|
- Issue #9165: Add new functions math.isfinite and cmath.isfinite, to accompany
|
|
existing isinf and isnan functions.
|
|
|
|
- Issue #1578269: Implement os.symlink for Windows 6.0+. Patch by Jason
|
|
R. Coombs.
|
|
|
|
- In struct.pack, correctly propogate exceptions from computing the truth of an
|
|
object in the '?' format.
|
|
|
|
- Issue #9000: datetime.timezone objects now have eval-friendly repr.
|
|
|
|
- In the math module, correctly lookup __trunc__, __ceil__, and __floor__ as
|
|
special methods.
|
|
|
|
- Issue #9005: Prevent utctimetuple() from producing year 0 or year 10,000.
|
|
Prior to this change, timezone adjustment in utctimetuple() could produce
|
|
tm_year value of 0 or 10,000. Now an OverflowError is raised in these edge
|
|
cases.
|
|
|
|
- Issue #6641: The ``datetime.strptime`` method now supports the ``%z``
|
|
directive. When the ``%z`` directive is present in the format string, an
|
|
aware ``datetime`` object is returned with ``tzinfo`` bound to a
|
|
``datetime.timezone`` instance constructed from the parsed offset. If both
|
|
``%z`` and ``%Z`` are present, the data in ``%Z`` field is used for timezone
|
|
name, but ``%Z`` data without ``%z`` is discarded.
|
|
|
|
- Issue #5094: The ``datetime`` module now has a simple concrete class
|
|
implementing ``datetime.tzinfo`` interface. Instances of the new class,
|
|
``datetime.timezone``, return fixed name and UTC offset from their
|
|
``tzname(dt)`` and ``utcoffset(dt)`` methods. The ``dst(dt)`` method always
|
|
returns ``None``. A class attribute, ``utc`` contains an instance
|
|
representing the UTC timezone. Original patch by Rafe Kaplan.
|
|
|
|
- Issue #8973: Add __all__ to struct module; this ensures that help(struct)
|
|
includes documentation for the struct.Struct class.
|
|
|
|
- Issue #3129: Trailing digits in struct format string are no longer ignored.
|
|
For example, "1" or "ilib123" are now invalid formats and cause
|
|
``struct.error`` to be raised. Patch by Caleb Deveraux.
|
|
|
|
- Issue #7384: If the system readline library is linked against ncurses, the
|
|
curses module must be linked against ncurses as well. Otherwise it is not safe
|
|
to load both the readline and curses modules in an application.
|
|
|
|
- Issue #2810: Fix cases where the Windows registry API returns ERROR_MORE_DATA,
|
|
requiring a re-try in order to get the complete result.
|
|
|
|
- Issue #8692: Optimize math.factorial: replace the previous naive algorithm
|
|
with an improved 'binary-split' algorithm that uses fewer multiplications and
|
|
allows many of the multiplications to be performed using plain C integer
|
|
arithmetic instead of PyLong arithmetic. Also uses a lookup table for small
|
|
arguments.
|
|
|
|
- Issue #8674: Fixed a number of incorrect or undefined-behaviour-inducing
|
|
overflow checks in the audioop module.
|
|
|
|
- Issue #8644: The accuracy of td.total_seconds() has been improved (by
|
|
calculating with integer arithmetic instead of float arithmetic internally):
|
|
the result is now always correctly rounded, and is equivalent to ``td /
|
|
timedelta(seconds=1)``.
|
|
|
|
- Issue #2706: Allow division of a timedelta by another timedelta: timedelta /
|
|
timedelta, timedelta % timedelta, timedelta // timedelta and divmod(timedelta,
|
|
timedelta) are all supported.
|
|
|
|
- Issue #8314: Fix unsigned long long bug in libffi on Sparc v8.
|
|
|
|
- Issue #8300: When passing a non-integer argument to struct.pack with any
|
|
integer format code, struct.pack first attempts to convert the non-integer
|
|
using its __index__ method. If that method is non-existent or raises
|
|
TypeError it goes on to try the __int__ method, as described below.
|
|
|
|
- Issue #8142: Update libffi to the 3.0.9 release.
|
|
|
|
- Issue #6949: Allow the _dbm extension to be built with db 4.8.x.
|
|
|
|
- Issue #6544: Fix a reference leak in the kqueue implementation's error
|
|
handling.
|
|
|
|
- Stop providing crtassem.h symbols when compiling with Visual Studio 2010, as
|
|
msvcr100.dll is not a platform assembly anymore.
|
|
|
|
- Issue #6508: Add posix.{getresuid,getresgid,setresuid,setresgid}.
|
|
|
|
- Issue #7078: Set struct.__doc__ from _struct.__doc__.
|
|
|
|
- Issue #3366: Add erf, erfc, expm1, gamma, lgamma functions to math module.
|
|
|
|
- Issue #6877: It is now possible to link the readline extension to the libedit
|
|
readline emulation on OSX 10.5 or later.
|
|
|
|
- Issue #6848: Fix curses module build failure on OS X 10.6.
|
|
|
|
- Fix a segfault that could be triggered by expat with specially formed input.
|
|
|
|
- Issue #6561: '\d' in a regex now matches only characters with Unicode category
|
|
'Nd' (Number, Decimal Digit). Previously it also matched characters with
|
|
category 'No'.
|
|
|
|
- Issue #4509: Array objects are no longer modified after an operation failing
|
|
due to the resize restriction in-place when the object has exported buffers.
|
|
|
|
- Issue #2389: Array objects are now pickled in a portable manner.
|
|
|
|
- Expat: Fix DoS via XML document with malformed UTF-8 sequences
|
|
(CVE_2009_3560).
|
|
|
|
- Issue #7242: On Solaris 9 and earlier calling os.fork() from within a thread
|
|
could raise an incorrect RuntimeError about not holding the import lock. The
|
|
import lock is now reinitialized after fork.
|
|
|
|
- Issue #7999: os.setreuid() and os.setregid() would refuse to accept a -1
|
|
parameter on some platforms such as OS X.
|
|
|
|
- Build the ossaudio extension on GNU/kFreeBSD.
|
|
|
|
- Issue #7347: winreg: Add CreateKeyEx and DeleteKeyEx, as well as fix a bug in
|
|
the return value of QueryReflectionKey.
|
|
|
|
- Issue #7567: PyCurses_setupterm: Don't call `setupterm' twice.
|
|
|
|
Build
|
|
-----
|
|
|
|
- Use OpenSSL 1.0.0a on Windows.
|
|
|
|
- Issue #9280: Make sharedinstall depend on sharedmods.
|
|
|
|
- Issue #9189: Make a user-specified CFLAGS, CPPFLAGS, or LDFLAGS setting
|
|
override the configure and makefile defaults, without deleting options the
|
|
user didn't intend to override. Developers should no longer need to specify
|
|
OPT or EXTRA_CFLAGS, although those variables are still present for
|
|
backward-compatibility.
|
|
|
|
- Issue #8854: Fix finding Visual Studio 2008 on Windows x64.
|
|
|
|
- Issue #1759169, #8864: Drop _XOPEN_SOURCE on Solaris, define it for
|
|
multiprocessing only.
|
|
|
|
- Issue #8625: Turn off optimization in --with-pydebug builds with gcc.
|
|
(Optimization was unintentionally turned on in gcc --with-pydebug builds as a
|
|
result of the issue #1628484 fix, combined with autoconf's strange choice of
|
|
default CFLAGS produced by AC_PROG_CC for gcc.)
|
|
|
|
- Issue #3646: It is now easily possible to install a Python framework into your
|
|
home directory on MacOSX, see Mac/README for more information.
|
|
|
|
- Issue #3928: os.mknod() now available in Solaris, also.
|
|
|
|
- Issue #3326: Build Python without -fno-strict-aliasing when the gcc does not
|
|
give false warnings.
|
|
|
|
- Issue #1628484: The Makefile doesn't ignore the CFLAGS environment variable
|
|
anymore. It also forwards the LDFLAGS settings to the linker when building a
|
|
shared library.
|
|
|
|
- Issue #6716: Quote -x arguments of compileall in MSI installer. Exclude 2to3
|
|
tests from compileall.
|
|
|
|
- Issue #3920, #7903: Define _BSD_SOURCE on OpenBSD 4.4 through 4.9.
|
|
|
|
- Issue #7632: When Py_USING_MEMORY_DEBUGGER is defined, disable the private
|
|
memory allocation scheme in dtoa.c and use PyMem_Malloc and PyMem_Free
|
|
instead. Also disable caching of powers of 5.
|
|
|
|
- Issue #6491: Allow --with-dbmliborder to specify that no dbms will be built.
|
|
|
|
- Issue #6943: Use pkg-config to find the libffi headers when the
|
|
--with-system-ffi flag is used.
|
|
|
|
- Issue #7609: Add a --with-system-expat option that causes the system's expat
|
|
library to be used for the pyexpat module instead of the one included with
|
|
Python.
|
|
|
|
- Issue #7589: Only build the nis module when the correct header files are
|
|
found.
|
|
|
|
- Switch to OpenSSL 0.9.8l and sqlite 3.6.21 on Windows.
|
|
|
|
- Issue #5792: Extend the short float repr support to x86 systems using
|
|
icc or suncc.
|
|
|
|
- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it compiles
|
|
correctly under gcc on x86-64. This fixes a reported problem with the
|
|
--with-tsc build on x86-64.
|
|
|
|
- Issue #6802: Fix build issues on MacOSX 10.6.
|
|
|
|
- Issue #6244: Allow detect_tkinter to look for Tcl/Tk 8.6.
|
|
|
|
- Issue #4601: 'make install' did not set the appropriate permissions on
|
|
directories.
|
|
|
|
- Issue #5390: Add uninstall icon independent of whether file extensions are
|
|
installed.
|
|
|
|
- Issue #7541: When using ``python-config`` with a framework install the
|
|
compiler might use the wrong library.
|
|
|
|
- python-config now supports multiple options on the same command line.
|
|
|
|
- Issue #8509: Fix quoting in help strings and code snippets in configure.in.
|
|
|
|
- Issue #8510: Update to autoconf2.65.
|
|
|
|
Documentation
|
|
------------
|
|
|
|
- Issue #9524: Document that two CTRL* signals are meant for use only
|
|
with os.kill.
|
|
|
|
- Issue #9255: Document that the 'test' package is meant for internal Python use
|
|
only.
|
|
|
|
- A small WSGI server was added as Tools/scripts/serve.py, and is used to
|
|
implement a local documentation server via 'make serve' in the doc directory.
|
|
|
|
- Updating `Using Python` documentation to include description of CPython's -J
|
|
and -X options.
|
|
|
|
- Document that importing a module that has None in sys.modules triggers an
|
|
ImportError.
|
|
|
|
- Issue #6556: Fixed the Distutils configuration files location explanation for
|
|
Windows.
|
|
|
|
- Update python manual page (options -B, -O0, -s, environment variables
|
|
PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
|
|
|
|
- Issue #8909: Added the size of the bitmap used in the installer created by
|
|
distutils' bdist_wininst. Patch by Anatoly Techtonik.
|
|
|
|
Tests
|
|
-----
|
|
|
|
- Issue #9251: test_threaded_import didn't fail when run through regrtest if the
|
|
import lock was disabled.
|
|
|
|
- Issue #8605: Skip test_gdb if Python is compiled with optimizations.
|
|
|
|
- Issue #7449: Skip test_socketserver if threading support is disabled.
|
|
|
|
- Issue #8672: Add a zlib test ensuring that an incomplete stream can be handled
|
|
by a decompressor object without errors (it returns incomplete uncompressed
|
|
data).
|
|
|
|
- Issue #8533: regrtest uses backslashreplace error handler for stdout to avoid
|
|
UnicodeEncodeError (write non-ASCII character to stdout using ASCII encoding).
|
|
|
|
- Issue #8576: Remove use of find_unused_port() in test_smtplib and
|
|
test_multiprocessing. Patch by Paul Moore.
|
|
|
|
- Issue #7449: Fix many tests to support Python compiled without thread
|
|
support. Patches written by Jerry Seutter.
|
|
|
|
- Issue #8108: test_ftplib's non-blocking SSL server now has proper handling of
|
|
SSL shutdowns.
|
|
|
|
- Issues #8279, #8330, #8437, #8480, #8495: Fix test_gdb failures, patch written
|
|
by Dave Malcolm.
|
|
|
|
- Issue #3864: Skip three test_signal tests on freebsd6 because they fail if any
|
|
thread was previously started, most likely due to a platform bug.
|
|
|
|
- Issue #8193: Fix test_zlib failure with zlib 1.2.4.
|
|
|
|
- Issue #8248: Add some tests for the bool type. Patch by Gregory Nofi.
|
|
|
|
- Issue #8263: Now regrtest.py will report a failure if it receives a
|
|
KeyboardInterrupt (SIGINT).
|
|
|
|
- Issue #8180 and #8207: Fix test_pep277 on OS X and add more tests for special
|
|
Unicode normalization cases.
|
|
|
|
- Issue #7783: test.support.open_urlresource invalidates the outdated files from
|
|
the local cache.
|
|
|
|
- Issue #7849: Now the utility ``check_warnings`` verifies if the warnings are
|
|
effectively raised.
|
|
|
|
- The four path modules (genericpath, macpath, ntpath, posixpath) share a common
|
|
TestCase for some tests: test_genericpath.CommonTest.
|
|
|
|
- Print platform information when running the whole test suite, or using the
|
|
--verbose flag.
|
|
|
|
- Issue #767675: enable test_pep277 on POSIX platforms with Unicode-friendly
|
|
filesystem encoding.
|
|
|
|
- Issue #6292: for the moment at least, the test suite runs cleanly if python is
|
|
run with the -OO flag. Tests requiring docstrings are skipped.
|
|
|
|
- Issue #7712: test.support gained a new `temp_cwd` context manager which is now
|
|
also used by regrtest to run all the tests in a temporary directory. The
|
|
original CWD is saved in `support.SAVEDCWD`. Thanks to Florent Xicluna who
|
|
helped with the patch.
|
|
|
|
- Issue #7924: Fix an intermittent 'XXX undetected error' failure in test_capi
|
|
(only seen so far on platforms where the curses module wasn't built), due to
|
|
an uncleared exception.
|
|
|
|
- Issue #7728: test_timeout was changed to use support.bind_port instead of a
|
|
hard coded port.
|
|
|
|
- Issue #7376: Instead of running a self-test (which was failing) when called
|
|
with no arguments, doctest.py now gives a usage message.
|
|
|
|
- Issue #7396: fix regrtest -s, which was broken by the -j enhancement.
|
|
|
|
- Issue #7498: test_multiprocessing now uses test.support.find_unused_port
|
|
instead of a hardcoded port number in test_rapid_restart.
|
|
|
|
- Issue #7431: Use TESTFN in test_linecache instead of trying to create a file
|
|
in the Lib/test directory, which might be read-only for the user running the
|
|
tests.
|
|
|
|
- Issue #7324: Add a sanity check to regrtest argument parsing to catch the case
|
|
of an option with no handler.
|
|
|
|
- Issue #7312: Add a -F flag to run the selected tests in a loop until a test
|
|
fails. Can be combined with -j.
|
|
|
|
- Issue #6551: test_zipimport could import and then destroy some modules of the
|
|
encodings package, which would make other tests fail further down the road
|
|
because the internally cached encoders and decoders would point to empty
|
|
global variables.
|
|
|
|
- Issue #7295: Do not use a hardcoded file name in test_tarfile.
|
|
|
|
- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
|
|
primitives such as Lock, RLock, Condition, Event and Semaphore.
|
|
|
|
- Issue #7248 (part 2): Use a unique temporary directory for importlib source
|
|
tests instead of tempfile.tempdir. This prevents the tests from sharing state
|
|
between concurrent executions on the same system.
|
|
|
|
- Issue #7248: In importlib.test.source.util a try/finally block did not make
|
|
sure that some referenced objects actually were created in the block before
|
|
calling methods on the object.
|
|
|
|
- Issue #7222: Make thread "reaping" more reliable so that reference
|
|
leak-chasing test runs give sensible results. The previous method of reaping
|
|
threads could return successfully while some Thread objects were still
|
|
referenced. This also introduces a new private function:
|
|
:func:`_thread._count()`.
|
|
|
|
- Issue #7151: Fixed regrtest -j so that output to stderr from a test no longer
|
|
runs the risk of causing the worker thread to fail.
|
|
|
|
- Issue #7055: test___all__ now greedily detects all modules which have an
|
|
__all__ attribute, rather than using a hardcoded and incomplete list.
|
|
|
|
- Issue #7058: Added save/restore for things like sys.argv and cwd to
|
|
runtest_inner in regrtest, with warnings if the called test modifies them, and
|
|
a new section in the summary report at the end.
|
|
|
|
- Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6.
|
|
|
|
- Fixed tests in importlib.test.source.test_abc_loader that were masking the
|
|
proper exceptions that should be raised for missing or improper code object
|
|
bytecode.
|
|
|
|
- Removed importlib's custom test discovery code and switched to
|
|
unittest.TestLoader.discover().
|
|
|
|
Tools/Demos
|
|
-----------
|
|
|
|
- Issue #5464, #8974: Implement plural forms in msgfmt.py.
|
|
|
|
- iobench (a file I/O benchmark) and ccbench (a concurrency benchmark) were
|
|
added to the `Tools/` directory. They were previously living in the sandbox.
|
|
|
|
|
|
What's New in Python 3.1?
|
|
=========================
|
|
|
|
*Release date: 27-June-2009*
|
|
|
|
Core and Builtins
|
|
-----------------
|
|
|
|
- Issue #6334: Fix bug in range length calculation for ranges with
|
|
large arguments.
|
|
|
|
- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
|
|
because it wasn't recognized as a sequence).
|
|
|
|
Library
|
|
-------
|
|
|
|
- Issue #6126: Fixed pdb command-line usage.
|
|
|
|
- Issue #6314: logging: performs extra checks on the "level" argument.
|
|
|
|
- Issue #6274: Fixed possible file descriptors leak in subprocess.py
|
|
|
|
- Accessing io.StringIO.buffer now raises an AttributeError instead of
|
|
io.UnsupportedOperation.
|
|
|
|
- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
|
|
(On Unix)
|
|
|
|
- Issue #1202: zipfile module would cause a struct.error when attempting to
|
|
store files with a CRC32 > 2**31-1.
|
|
|
|
Extension Modules
|
|
-----------------
|
|
|
|
- Issue #5590: Remove unused global variable in pyexpat extension.
|
|
|
|
|
|
What's New in Python 3.1 Release Candidate 2?
|
|
=============================================
|
|
|
|
*Release date: 13-June-2009*
|
|
|
|
Core and Builtins
|
|
-----------------
|
|
|
|
- Fixed SystemError triggered by "range([], 1, -1)".
|
|
|
|
- Issue #5924: On Windows, a large PYTHONPATH environment variable
|
|
(more than 255 characters) would be completely ignored.
|
|
|
|
- Issue #4547: When debugging a very large function, it was not always
|
|
possible to update the lineno attribute of the current frame.
|
|
|
|
- Issue #5330: C functions called with keyword arguments were not reported by
|
|
the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
|
|
|
|
Library
|
|
-------
|
|
|
|
- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
|
|
expression string pattern was trying to match against a bytes returned by
|
|
Popen. Tested under win32 to build the py-postgresql project.
|
|
|
|
- Issue #6258: Support AMD64 in bdist_msi.
|
|
|
|
- Issue #6195: fixed doctest to no longer try to read 'source' data from
|
|
binary files.
|
|
|
|
- Issue #5262: Fixed bug in next rollover time computation in
|
|
TimedRotatingFileHandler.
|
|
|
|
- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
|
|
errors property. Additionally, the errors and encoding properties of StringIO
|
|
are always None now.
|
|
|
|
- Issue #6137: The pickle module now translates module names when loading
|
|
or dumping pickles with a 2.x-compatible protocol, in order to make data
|
|
sharing and migration easier. This behaviour can be disabled using the
|
|
new `fix_imports` optional argument.
|
|
|
|
- Removed the ipaddr module.
|
|
|
|
- Issue #3613: base64.{encode,decode}string are now called
|
|
base64.{encode,decode}bytes which reflects what type they accept and return.
|
|
The old names are still there as deprecated aliases.
|
|
|
|
- Issue #5767: Remove sgmlop support from xmlrpc.client.
|
|
|
|
- Issue #6150: Fix test_unicode on wide-unicode builds.
|
|
|
|
- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
|
|
parameters.
|
|
|
|
Windows
|
|
-------
|
|
|
|
- Issue #6221: Delete test registry key before running the test.
|
|
|
|
- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
|
|
|
|
C-API
|
|
-----
|
|
|
|
- Issue #5735: Python compiled with --with-pydebug should throw an
|
|
ImportError when trying to import modules compiled without
|
|
--with-pydebug, and vice-versa.
|
|
|
|
|
|
Build
|
|
-----
|
|
|
|
- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
|
|
added LIBS to OS X framework builds.
|
|
|
|
- Issue #5809: Specifying both --enable-framework and --enable-shared is
|
|
an error. Configure now explicity tells you about this.
|
|
|
|
|
|
|
|
What's New in Python 3.1 release candidate 1?
|
|
=============================================
|
|
|
|
*Release date: 2009-05-30*
|
|
|
|
Core and Builtins
|
|
-----------------
|
|
|
|
- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
|
|
of the command line.
|
|
|
|
- Issue #6012: Add cleanup support to O& argument parsing.
|
|
|
|
- Issue #6089: Fixed str.format with certain invalid field specifiers
|
|
that would raise SystemError.
|
|
|
|
- Issue #5982: staticmethod and classmethod now expose the wrapped
|
|
function with __func__.
|
|
|
|
- Added support for multiple context managers in the same with-statement.
|
|
Deprecated contextlib.nested() which is no longer needed.
|
|
|
|
- Issue #5829: complex("1e500") no longer raises OverflowError. This
|
|
makes it consistent with float("1e500") and interpretation of real
|
|
and imaginary literals.
|
|
|
|
- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
|
|
|
|
- Issue #5994: the marshal module now has docstrings.
|
|
|
|
- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
|
|
(1) inf and nan strings with trailing whitespace were incorrectly
|
|
rejected; (2) parsing of strings representing infinities and nans
|
|
was locale aware; and (3) the interpretation of fromhex('-nan')
|
|
didn't match that of float('-nan').
|
|
|
|
Library
|
|
-------
|
|
|
|
- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
|
|
|
|
- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
|
|
|
|
- Issue #6121: pydoc now ignores leading and trailing spaces in the
|
|
argument to the 'help' function.
|
|
|
|
- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
|
|
arguments for strings with a space in them.
|
|
|
|
- collections.namedtuple() was not working with the following field
|
|
names: cls, self, tuple, itemgetter, and property.
|
|
|
|
- In unittest, using a skipping decorator on a class is now equivalent to
|
|
skipping every test on the class. The ClassTestSuite class has been removed.
|
|
|
|
- Issue #6050: Don't fail extracting a directory from a zipfile if
|
|
the directory already exists.
|
|
|
|
- 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 #5761: Add the name of the underlying file to the repr() of various
|
|
IO objects.
|
|
|
|
- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
|
|
by Musashi Tamura, tests by Marcin Bachry.
|
|
|
|
- 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 #2116: Weak references and weak dictionaries now support copy()ing and
|
|
deepcopy()ing.
|
|
|
|
- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
|
|
|
|
- Issue #5918: Fix a crash in the parser module.
|
|
|
|
- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
|
|
|
|
- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
|
|
library. This means, for example, that opening an UTF-16 text file in
|
|
append mode doesn't add a BOM at the end of the file if the file isn't
|
|
empty.
|
|
|
|
- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
|
|
file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
|
|
corrects a pydoc regression.
|
|
|
|
- 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.
|
|
|
|
Installation
|
|
------------
|
|
|
|
- Issue #6047: fullinstall has been removed because Python 3's executable will
|
|
now be known as python3.
|
|
|
|
- Lib/smtpd.py is no longer installed as a script.
|
|
|
|
Extension Modules
|
|
-----------------
|
|
|
|
- Issue #3061: Use wcsftime for time.strftime where available.
|
|
|
|
- Issue #4873: Fix resource leaks in error cases of pwd and grp.
|
|
|
|
- Issue #6093: Fix off-by-one error in locale.strxfrm.
|
|
|
|
- The _functools and _locale modules are now built into the libpython shared
|
|
library instead of as extension modules.
|
|
|
|
Build
|
|
-----
|
|
|
|
- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
|
|
and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
|
|
Clinton Roy.
|
|
|
|
Tests
|
|
-----
|
|
|
|
- Issue #5442: Tests for importlib were not properly skipping case-sensitivity
|
|
tests on darwin even when the OS was installed on a case-sensitive
|
|
filesystem. Also fixed tests that should not be run when
|
|
sys.dont_write_bytecode is true.
|
|
|
|
|
|
What's New in Python 3.1 beta 1?
|
|
================================
|
|
|
|
*Release date: 2009-05-06*
|
|
|
|
Core and Builtins
|
|
-----------------
|
|
|
|
- Issue #5914: Add new C API function PyOS_string_to_double, and
|
|
deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
|
|
|
|
- Issue #3382: float.__format__, complex.__format__, and %-formatting
|
|
no longer map 'F' to 'f'. Because of issue #5859 (below), this only
|
|
affects nan -> NAN and inf -> INF.
|
|
|
|
- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
|
|
in all operations, including splitdrive, split, etc. splitunc() now issues
|
|
a PendingDeprecation warning.
|
|
|
|
- Issue #5920: For float.__format__, change the behavior with the
|
|
empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
|
|
to be like 'g' but with at least one decimal point and with a
|
|
default precision of 12. Previously, the behavior the same but with
|
|
a default precision of 6. This more closely matches str(), and
|
|
reduces surprises when adding alignment flags to the empty
|
|
presentation type. This also affects the new complex.__format__ in
|
|
the same way.
|
|
|
|
- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
|
|
|
|
- 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 #4426: The UTF-7 decoder was too strict and didn't accept some legal
|
|
sequences. Patch by Nick Barnes and Victor Stinner.
|
|
|
|
- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
|
|
|
|
- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
|
|
received a new method, detach(). detach() disconnects the underlying stream
|
|
from the buffer or text IO and returns it.
|
|
|
|
- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
|
|
floats with absolute value over 1e50. Also remove length
|
|
restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
|
|
12.34 no longer raise an exception.
|
|
|
|
- Issue #1588: Add complex.__format__. For example,
|
|
format(complex(1, 2./3), '.5') now produces a sensible result.
|
|
|
|
- Issue #5864: Fix empty format code formatting for floats so that it
|
|
never gives more than the requested number of significant digits.
|
|
|
|
- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
|
|
new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
|
|
|
|
- Issue #5835: Deprecate PyOS_ascii_formatd.
|
|
|
|
- Issue #4971: Fix titlecase for characters that are their own
|
|
titlecase, but not their own uppercase.
|
|
|
|
- Issue #5283: Setting __class__ in __del__ caused a segfault.
|
|
|
|
- Issue #5816: complex(repr(z)) now recovers z exactly, even when
|
|
z involves nans, infs or negative zeros.
|
|
|
|
- Issue #3166: Make int -> float conversions correctly rounded.
|
|
|
|
- Issue #1869 (and many duplicates): make round(x, n) correctly
|
|
rounded for a float x, by using the decimal <-> binary conversions
|
|
from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
|
|
consistently agrees with format(x, '.2f').
|
|
|
|
- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
|
|
some builtin types.
|
|
|
|
- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
|
|
|
|
- Issue #5515: str.format() type 'n' combined with commas and leading
|
|
zeros no longer gives odd results with ints and floats.
|
|
|
|
- Implement PEP 378, Format Specifier for Thousands Separator, for
|
|
floats.
|
|
|
|
- The str function switches to exponential notation at
|
|
1e11, not 1e12. This avoids printing 13 significant digits in
|
|
situations where only 12 of them are correct. Example problem
|
|
value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
|
|
long time.)
|
|
|
|
- Issue #1580: On most platforms, use a 'short' float repr: for a
|
|
finite float x, repr(x) now outputs a string based on the shortest
|
|
sequence of decimal digits that rounds to x. Previous behaviour was
|
|
to output 17 significant digits and then strip trailing zeros.
|
|
Another minor difference is that the new repr switches to
|
|
exponential notation at 1e16 instead of the previous 1e17; this
|
|
avoids misleading output in some cases.
|
|
|
|
There's a new sys attribute sys.float_repr_style, which takes
|
|
the value 'short' to indicate that we're using short float repr,
|
|
and 'legacy' if the short float repr isn't available for one
|
|
reason or another.
|
|
|
|
The float repr change involves incorporating David Gay's 'perfect
|
|
rounding' code into the Python core (it's in Python/dtoa.c). As a
|
|
secondary consequence, all string-to-float and float-to-string
|
|
conversions (including all float formatting operations) will be
|
|
correctly rounded on these platforms.
|
|
|
|
See issue #1580 discussions for details of platforms for which
|
|
this change does not apply.
|
|
|
|
- Issue #5759: float() didn't call __float__ on str subclasses.
|
|
|
|
- The string.maketrans() function is deprecated; there is a new static method
|
|
maketrans() on the bytes and bytearray classes. This removes confusion about
|
|
the types string.maketrans() is supposed to work with, and mirrors the
|
|
methods available on the str class.
|
|
|
|
- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
|
|
its clarity and its speed.
|
|
|
|
- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
|
|
to avoid compiler warnings.
|
|
|
|
- Issue #3739: The unicode-internal encoder now reports the number of characters
|
|
consumed like any other encoder (instead of the number of bytes).
|
|
|
|
Installation
|
|
------------
|
|
|
|
- Issue #5756: Install idle and pydoc with a 3 suffix.
|
|
|
|
Library
|
|
-------
|
|
|
|
- Issue #8203: Fix IDLE Credits dialog: view_file() uses its encoding argument.
|
|
|
|
- Issue #5311: bdist_msi can now build packages that do not depend on a
|
|
specific Python version.
|
|
|
|
- Issue #5150: IDLE's format menu now has an option to strip trailing
|
|
whitespace.
|
|
|
|
- Issue #5940: distutils.command.build_clib.check_library_list was not doing
|
|
the right type checkings anymore.
|
|
|
|
- Issue #4875: On win32, ctypes.util.find_library does no longer
|
|
return directories.
|
|
|
|
- Issue #5142: Add the ability to skip modules while stepping to pdb.
|
|
|
|
- Issue #1309567: Fix linecache behavior of stripping subdirectories when
|
|
looking for files given by a relative filename.
|
|
|
|
- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
|
|
turtle demos in Demo/turtle.
|
|
|
|
- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
|
|
extracting a file to the root directory.
|
|
|
|
- Issue #5913: os.listdir() should fail for empty path on windows.
|
|
|
|
- Issue #5084: unpickling now interns the attribute names of pickled objects,
|
|
saving memory and avoiding growth in size of subsequent pickles. Proposal
|
|
and original patch by Jake McGuire.
|
|
|
|
- The json module now works exclusively with str and not bytes.
|
|
|
|
- Issue #3959: The ipaddr module has been added to the standard library.
|
|
Contributed by Google.
|
|
|
|
- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
|
|
error when a named pipe is encountered, rather than blocking infinitely.
|
|
|
|
- Issue #5857: tokenize.tokenize() now returns named tuples.
|
|
|
|
- Issue #4305: ctypes should now build again on mipsel-linux-gnu
|
|
|
|
- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
|
|
string is already in normalized form, by performing a quick check beforehand.
|
|
Original patch by Rauli Ruohonen.
|
|
|
|
- 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 #5854: Updated __all__ to include some missing names and remove some
|
|
names which should not be exported.
|
|
|
|
- Issue #3102: All global symbols that the _ctypes extension defines
|
|
are now prefixed with 'Py' or '_ctypes'.
|
|
|
|
- Issue #5041: ctypes does now allow pickling wide character.
|
|
|
|
- Issue #5812: For the two-argument form of the Fraction constructor,
|
|
Fraction(m, n), m and n are permitted to be arbitrary Rational
|
|
instances.
|
|
|
|
- Issue #5812: Fraction('1e6') is valid: more generally, any string
|
|
that's valid for float() is now valid for Fraction(), with the
|
|
exception of strings representing NaNs and infinities.
|
|
|
|
- Issue #5734: BufferedRWPair was poorly tested and had several glaring
|
|
bugs. Patch by Brian Quinlan.
|
|
|
|
- Issue #1161031: fix readwrite select flag handling: POLLPRI now
|
|
results in a handle_expt_event call, not handle_read_event, and POLLERR
|
|
and POLLNVAL now call handle_close, not handle_expt_event. Also,
|
|
dispatcher now has an 'ignore_log_types' attribute for suppressing
|
|
log messages, which is set to 'warning' by default.
|
|
|
|
- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
|
|
new arguments introduced in 2.5.
|
|
|
|
- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
|
|
makeunicodedata.py and regenerated the Unicode database (This fixes
|
|
u'\u1d79'.lower() == '\x00').
|
|
|
|
Extension Modules
|
|
-----------------
|
|
|
|
- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
|
|
pwd.
|
|
|
|
- Issue #5463: In struct module, remove deprecated float coercion
|
|
for integer type codes: struct.pack('L', 0.3) should now raise
|
|
an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
|
|
The version number has been bumped to 0.3.
|
|
|
|
- Issue #5359: Readd the Berkeley DB detection code to allow _dbm be built
|
|
using Berkeley DB.
|
|
|
|
Tests
|
|
-----
|
|
|
|
- Issue #5354: New test support function import_fresh_module() makes
|
|
it easy to import both normal and optimised versions of modules.
|
|
test_heapq and test_warnings have been adjusted to use it, tests for
|
|
other modules with both C and Python implementations in the stdlib
|
|
can be adjusted to use it over time.
|
|
|
|
- Issue #5837: Certain sequences of calls to set() and unset() for
|
|
support.EnvironmentVarGuard objects restored the environment variables
|
|
incorrectly on __exit__.
|
|
|
|
C-API
|
|
-----
|
|
|
|
- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
|
|
|
|
|
|
What's New in Python 3.1 alpha 2?
|
|
=================================
|
|
|
|
*Release date: 2009-4-4*
|
|
|
|
Core and Builtins
|
|
-----------------
|
|
|
|
- Implement PEP 378, Format Specifier for Thousands Separator, for
|
|
integers.
|
|
|
|
- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
|
|
|
|
- Issue #5499: The 'c' code for argument parsing functions now only accepts a
|
|
byte, and the 'C' code only accepts a unicode character.
|
|
|
|
- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
|
|
when hitting the recursion limit under certain circumstances.
|
|
|
|
- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
|
|
|
|
- Fix a segfault when running test_exceptions with coverage, caused by
|
|
insufficient checks in accessors of Exception.__context__.
|
|
|
|
- Issue #5604: non-ASCII characters in module name passed to
|
|
imp.find_module() were converted to UTF-8 while the path is
|
|
converted to the default filesystem encoding, causing nonsense.
|
|
|
|
- Issue #5126: str.isprintable() returned False for space characters.
|
|
|
|
- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
|
|
the end sys.path, for compatibility with the system install of Python.
|
|
|
|
- Issue #4688: Add a heuristic so that tuples and dicts containing only
|
|
untrackable objects are not tracked by the garbage collector. This can
|
|
reduce the size of collections and therefore the garbage collection overhead
|
|
on long-running programs, depending on their particular use of datatypes.
|
|
|
|
- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
|
|
improve its performance. Long divisions and remainder operations
|
|
are now between 50% and 150% faster.
|
|
|
|
- Issue #4258: Make it possible to use base 2**30 instead of base
|
|
2**15 for the internal representation of integers, for performance
|
|
reasons. Base 2**30 is enabled by default on 64-bit machines. Add
|
|
--enable-big-digits option to configure, which overrides the
|
|
default. Add sys.int_info structseq to provide information about
|
|
the internal format.
|
|
|
|
- Issue #4474: PyUnicode_FromWideChar now converts characters outside
|
|
the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
|
|
and sizeof(Py_UNICODE) == 2.
|
|
|
|
- Issue #5237: Allow auto-numbered fields in str.format(). For
|
|
example: '{} {}'.format(1, 2) == '1 2'.
|
|
|
|
- Issue #5392: when a very low recursion limit was set, the interpreter would
|
|
abort with a fatal error after the recursion limit was hit twice.
|
|
|
|
- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
|
|
short file names.
|
|
|
|
Library
|
|
-------
|
|
|
|
- Issue #2625: added missing items() call to the for loop in
|
|
mailbox.MH.get_message().
|
|
|
|
- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
|
|
error substitutions from non-strict codec error callbacks in
|
|
incrementalencoder and StreamWriter.
|
|
|
|
- Issue #5656: Fix the coverage reporting when running the test suite with
|
|
the -T argument.
|
|
|
|
- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
|
|
|
|
- Issue #5624: Fix the _winreg module name still used in several modules.
|
|
|
|
- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
|
|
|
|
- Issue #5619: Multiprocessing children disobey the debug flag and causes
|
|
popups on windows buildbots. Patch applied to work around this issue.
|
|
|
|
- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
|
|
|
|
- Issue #5387: Fixed mmap.move crash by integer overflow.
|
|
|
|
- Issue #5261: Patch multiprocessing's semaphore.c to support context
|
|
manager use: "with multiprocessing.Lock()" works now.
|
|
|
|
- Issue #5236: Change time.strptime() to only take strings. Didn't work with
|
|
bytes already but the failure was non-obvious.
|
|
|
|
- Issue #5177: Multiprocessing's SocketListener class now uses
|
|
socket.SO_REUSEADDR on all connections so that the user no longer needs
|
|
to wait 120 seconds for the socket to expire.
|
|
|
|
- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
|
|
|
|
- Issue #1174606: Calling read() without arguments of an unbounded file
|
|
(typically /dev/zero under Unix) could crash the interpreter.
|
|
|
|
- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
|
|
io.BufferedRandom have been deprecated for removal in Python 3.2.
|
|
|
|
- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
|
|
forever on incomplete input. That caused tarfile.open() to hang when used
|
|
with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
|
|
partial bzip2 compressed data.
|
|
|
|
- Issue #2110: Add support for thousands separator and 'n' type
|
|
specifier to Decimal.__format__
|
|
|
|
- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
|
|
'>' alignment characters.
|
|
|
|
- The error detection code in FileIO.close() could fail to reflect the `errno`
|
|
value, and report it as -1 instead.
|
|
|
|
- Issue #5016: FileIO.seekable() could return False if the file position
|
|
was negative when truncated to a C int. Patch by Victor Stinner.
|
|
|
|
Extension Modules
|
|
-----------------
|
|
|
|
- Issue #5391: mmap now deals exclusively with bytes.
|
|
|
|
- Issue #5463: In struct module, remove deprecated overflow wrapping
|
|
when packing an integer: struct.pack('=L', -1) now raises
|
|
struct.error instead of returning b'\xff\xff\xff\xff'. The
|
|
_PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
|
|
have been removed from the struct module.
|
|
|
|
|
|
What's New in Python 3.1 alpha 1
|
|
================================
|
|
|
|
*Release date: 2009-03-07*
|
|
|
|
Core and Builtins
|
|
-----------------
|
|
|
|
- The io module has been reimplemented in C for speed.
|
|
|
|
- Give dict views an informative __repr__.
|
|
|
|
- Issue #5247: Improve error message when unknown format codes are
|
|
used when using str.format() with str, int, and float arguments.
|
|
|
|
- Issue #5249: time.strftime returned malformed string when format string
|
|
contained non ascii character on windows.
|
|
|
|
- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
|
|
source has already been decoded into str.
|
|
|
|
- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
|
|
rotating the object pointer by 4 bits to the right.
|
|
|
|
- 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 #5137: Make len() correctly raise a TypeError when a __len__ method
|
|
returns a non-number type.
|
|
|
|
- Issue #5182: Removed memoryview.__str__.
|
|
|
|
- Issue #1717: Removed builtin cmp() function, dropped tp_compare
|
|
slot, the C API functions PyObject_Compare and PyUnicode_Compare and
|
|
the type definition cmpfunc. The tp_compare slot has been renamed
|
|
to tp_reserved, and is reserved for future usage.
|
|
|
|
- Issue #1242657: the __len__() and __length_hint__() calls in several tools
|
|
were suppressing all exceptions. These include list() and bytearray().
|
|
|
|
- Issue #4707: round(x, n) now returns an integer if x is an integer.
|
|
Previously it returned a float.
|
|
|
|
- Issue #4753: By 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.
|
|
|
|
- Issue #4874: Most builtin decoders now reject unicode input.
|
|
|
|
- Issue #4842: Don't allow trailing 'L' when constructing an integer
|
|
from a string.
|
|
|
|
- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
|
|
|
|
- Issue #4838: When a module is deallocated, free the memory backing the
|
|
optional module state data.
|
|
|
|
- Issue #4910: Rename nb_long slot to nb_reserved, and change its
|
|
type to (void *).
|
|
|
|
- Issue #4935: The overflow checking code in the expandtabs() method common
|
|
to str, bytes and bytearray could be optimized away by the compiler, letting
|
|
the interpreter segfault instead of raising an error.
|
|
|
|
- Issue #3720: Fix a crash when an iterator modifies its class and removes its
|
|
__next__ method.
|
|
|
|
- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
|
|
function no longer attempt to call the __long__ slot to convert an object
|
|
to an integer. Only the __int__ and __trunc__ slots are examined.
|
|
|
|
- Issue #4893: Use NT threading on CE.
|
|
|
|
- Issue #4915: Port sysmodule to Windows CE.
|
|
|
|
- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
|
|
common cases are optimized thanks to a dedicated fast path and a moderate
|
|
amount of loop unrolling.
|
|
|
|
- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
|
|
collecting the oldest generation) so that allocating lots of objects without
|
|
destroying them does not show quadratic performance. Based on a proposal by
|
|
Martin von Löwis at
|
|
http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
|
|
|
|
- Issue #4604: Some objects of the I/O library could still be used after
|
|
having been closed (for instance, a read() call could return some
|
|
previously buffered data). Patch by Dmitry Vasiliev.
|
|
|
|
- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
|
|
flag to work properly. Furthermore, when specifying -u, the text stdout
|
|
and stderr streams have line-by-line buffering enabled (the default being
|
|
to buffer arbitrary chunks of data).
|
|
|
|
- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
|
|
instead of ints (reducing its size from 4 to 8 times thereby reducing
|
|
Python's overall memory).
|
|
|
|
- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
|
|
an existing .py counterpart, override the co_filename attributes of all
|
|
code objects if the original filename is obsolete (which can happen if the
|
|
file has been renamed, moved, or if it is accessed through different paths).
|
|
Patch by Ziga Seilnacht and Jean-Paul Calderone.
|
|
|
|
- Issue #4580: Fix slicing of memoryviews when the item size is greater than
|
|
one byte. Also fixes the meaning of len() so that it returns the number of
|
|
items, rather than the size in bytes.
|
|
|
|
- Issue #4075: Use OutputDebugStringW in Py_FatalError.
|
|
|
|
- Issue #4747: When the terminal does not use utf-8, executing a script with
|
|
non-ascii characters in its name could fail with a "SyntaxError: None" error.
|
|
|
|
- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
|
|
file with `bytes' filename on Windows.
|
|
|
|
- Issue #3680: Reference cycles created through a dict, set or deque iterator
|
|
did not get collected.
|
|
|
|
- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
|
|
where the tp_hash and tp_dict slots are both NULL.
|
|
|
|
- Issue #4759: None is now allowed as the first argument of
|
|
bytearray.translate(). It was always allowed for bytes.translate().
|
|
|
|
- Added test case to ensure attempts to read from a file opened for writing
|
|
fail.
|
|
|
|
- Issue #3106: Speedup some comparisons (str/str and int/int).
|
|
|
|
- Issue #2183: Simplify and optimize bytecode for list, dict and set
|
|
comprehensions. Original patch for list comprehensions by Neal Norwitz.
|
|
|
|
- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
|
|
print elapsed times, not only when some objects are uncollectable /
|
|
unreachable. Original patch by Neil Schemenauer.
|
|
|
|
- Issue #3439: Add a bit_length method to int.
|
|
|
|
- Issue #2173: When getting device encoding, check that return value of
|
|
nl_langinfo is not the empty string. This was causing silent build
|
|
failures on OS X.
|
|
|
|
- Issue #4597: Fixed several opcodes that weren't always propagating
|
|
exceptions.
|
|
|
|
- Issue #4589: Fixed exception handling when the __exit__ function of a
|
|
context manager returns a value that cannot be converted to a bool.
|
|
|
|
- Issue #4445: Replace "sizeof(PyBytesObject)" with
|
|
"offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
|
|
bytes instances. On a typical machine this saves 3 bytes of memory
|
|
(on average) per allocation of a bytes instance.
|
|
|
|
- Issue #4533: File read operation was dreadfully slow due to a slowly
|
|
growing read buffer. Fixed by using the same growth rate algorithm as
|
|
Python 2.x.
|
|
|
|
- Issue #4509: Various issues surrounding resize of bytearray objects to
|
|
which there are buffer exports (e.g. memoryview instances).
|
|
|
|
- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
|
|
method on file objects with closefd=False. The file descriptor is still
|
|
kept open but the file object behaves like a closed file. The ``FileIO``
|
|
object also got a new readonly attribute ``closefd``.
|
|
|
|
- Issue #4569: Interpreter crash when mutating a memoryview with an item size
|
|
larger than 1.
|
|
|
|
- Issue #4748: Lambda generators no longer return a value.
|
|
|
|
- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
|
|
|
|
- Issue #5108: Handle %s like %S, %R and %A 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 #7071: byte-compilation in Distutils is now done with respect to
|
|
sys.dont_write_bytecode.
|
|
|
|
- Issue #7066: archive_util.make_archive now restores the cwd if an error is
|
|
raised. Initial patch by Ezio Melotti.
|
|
|
|
- Issue #6516: Added owner/group support when creating tar archives in
|
|
Distutils.
|
|
|
|
- Issue #6954: Fixed crash when using DISTUTILS_DEBUG flag in Distutils.
|
|
|
|
- Issue #6163: Fixed HP-UX runtime library dir options in
|
|
distutils.unixcompiler. Initial patch by Sridhar Ratnakumar and
|
|
Michael Haubenwallner.
|
|
|
|
- Issue #6693: New functions in site.py to get user/global site packages paths.
|
|
|
|
- Issue #6511: ZipFile now raises BadZipfile (instead of an IOError) when
|
|
opening an empty or very small file.
|
|
|
|
- Issue #6545: Removed assert statements in distutils.Extension, so the
|
|
behavior is similar when used with -O.
|
|
|
|
- unittest has been split up into a package. All old names should still work.
|
|
|
|
- Issue #6466: now distutils.cygwinccompiler and distutils.emxccompiler
|
|
uses the same refactored function to get gcc/ld/dllwrap versions numbers.
|
|
It's `distutils.util.get_compiler_versions`. Added deprecation warnings
|
|
for the obsolete get_versions() functions.
|
|
|
|
- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
|
|
|
|
- Issue #6314: logging: Extra checks on the "level" argument in more places.
|
|
|
|
- Issue #2622: Fixed an ImportError when importing email.message from a
|
|
standalone application built with py2exe or py2app.
|
|
|
|
- Issue #6455: Fixed test_build_ext under win32.
|
|
|
|
- Issue #6377: Enabled the compiler option, and deprecate its usage as an
|
|
attribute.
|
|
|
|
- Issue #6413: Fixed the log level in distutils.dist for announce.
|
|
|
|
- Issue #6403: Fixed package path usage in build_ext.
|
|
|
|
- Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was
|
|
unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
|
|
descriptor errors
|
|
|
|
- Issue #6365: Distutils build_ext inplace mode was copying the compiled
|
|
extension in a subdirectory if the extension name had dots.
|
|
|
|
- Issue #6164: Added an AIX specific linker argument in Distutils
|
|
unixcompiler. Original patch by Sridhar Ratnakumar.
|
|
|
|
- Issue #6286: Now Distutils upload command is based on urllib2 instead of
|
|
httplib, allowing the usage of http_proxy.
|
|
|
|
- Issue #6287: Added the license field in Distutils documentation.
|
|
|
|
- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
|
|
|
|
- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
|
|
in Makefiles. This prevents compile errors when using syntax like:
|
|
`LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
|
|
|
|
- Issue #6131: test_modulefinder leaked when run after test_distutils.
|
|
Patch by Hirokazu Yamamoto.
|
|
|
|
- Issue #6048: Now Distutils uses the tarfile module in archive_util.
|
|
|
|
- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
|
|
and tests on pywin32 by Tim Golden.
|
|
|
|
- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
|
|
|
|
- Issue #6046: Fixed the library extension when distutils build_ext is used
|
|
inplace. Initial patch by Roumen Petrov.
|
|
|
|
- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
|
|
subcommand.
|
|
|
|
- Issue #6022: a test file was created in the current working directory by
|
|
test_get_outputs in Distutils.
|
|
|
|
- Issue #5977: distutils build_ext.get_outputs was not taking into account the
|
|
inplace option. Initial patch by kxroberto.
|
|
|
|
- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
|
|
for old-style extensions.
|
|
|
|
- Issue #5976: Fixed Distutils test_check_environ.
|
|
|
|
- Issue #5941: Distutils build_clib command was not working anymore because
|
|
of an incomplete costumization of the archiver command. Added ARFLAGS in the
|
|
Makefile besides AR and make Distutils use it. Original patch by David
|
|
Cournapeau.
|
|
|
|
- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
|
|
|
|
- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
|
|
anymore.
|
|
|
|
- Issue #5810: Fixed Distutils test_build_scripts so it uses
|
|
sysconfig.get_config_vars.
|
|
|
|
- Issue #4951: Fixed failure in test_httpservers.
|
|
|
|
- Issue #5795: Fixed test_distutils failure on Debian ppc.
|
|
|
|
- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
|
|
|
|
- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
|
|
a value in SafeConfigParser.
|
|
|
|
- Issue #5732: added a new command in Distutils: check.
|
|
|
|
- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
|
|
platforms. Initial patch by Paul Moore.
|
|
|
|
- Issue #5095: Added bdist_msi to the list of bdist supported formats.
|
|
Initial fix by Steven Bethard.
|
|
|
|
- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
|
|
Initial fix by Wayne Davison.
|
|
|
|
- Issue #5694: removed spurious test output in Distutils (test_clean).
|
|
|
|
- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
|
|
|
|
- Issue #1665206 (partially): Move imports in cgitb to the top of the module
|
|
instead of performing them in functions. Helps prevent import deadlocking in
|
|
threads.
|
|
|
|
- Issue #2522: locale.format now checks its first argument to ensure it has
|
|
been passed only one pattern, avoiding mysterious errors where it appeared
|
|
that it was failing to do localization.
|
|
|
|
- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
|
|
Brandl.
|
|
|
|
- Issue #1222: locale.format() bug when the thousands separator is a space
|
|
character.
|
|
|
|
- Issue #5472: Fixed distutils.test_util tear down. Original patch by
|
|
Tim Golden.
|
|
|
|
- collections.deque() objects now have a read-only attribute called maxlen.
|
|
|
|
- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
|
|
it is has been populated and properly configured in order to prevent
|
|
window flashing.
|
|
|
|
- Issue #4792: Prevent a segfault in _tkinter by using the
|
|
guaranteed to be safe interp argument given to the PythonCmd in place of
|
|
the Tcl interpreter taken from a PythonCmd_ClientData.
|
|
|
|
- Issue #5193: Guarantee that tkinter.Text.search returns a string.
|
|
|
|
- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
|
|
Original patch by Akira Kitada.
|
|
|
|
- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
|
|
|
|
- Issue #5385: Fixed mmap crash after resize failure on windows.
|
|
|
|
- Issue #5179: Fixed subprocess handle leak on failure on windows.
|
|
|
|
- PEP 372: Added collections.OrderedDict().
|
|
|
|
- The _asdict() for method for namedtuples now returns an OrderedDict().
|
|
|
|
- configparser now defaults to using an ordered dictionary.
|
|
|
|
- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
|
|
import guess_extension`` was used.
|
|
|
|
- Issue #1733986: Fixed mmap crash in accessing elements of second map object
|
|
with same tagname but larger size than first map. (Windows)
|
|
|
|
- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
|
|
overrun.
|
|
|
|
- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
|
|
bdist_rpm command.
|
|
|
|
- Issue #5378: added --quiet option to Distutils bdist_rpm command.
|
|
|
|
- Issue #5052: make Distutils compatible with 2.3 again.
|
|
|
|
- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
|
|
in Distutils tests.
|
|
|
|
- Issue #5287: Add exception handling around findCaller() call to help out
|
|
IronPython.
|
|
|
|
- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
|
|
The file was resized to wrong size.
|
|
|
|
- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
|
|
|
|
- Issue #2279: distutils.sdist.add_defaults now add files
|
|
from the package_data and the data_files metadata.
|
|
|
|
- Issue #5257: refactored all tests in distutils, so they use
|
|
support.TempdirManager, to avoid writing in the tests directory.
|
|
|
|
- Issue #4524: distutils build_script command failed with --with-suffix=3.
|
|
Initial patch by Amaury Forgeot d'Arc.
|
|
|
|
- Issue #2461: added tests for distutils.util
|
|
|
|
- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
|
|
which inherited from numbers.py which did not have __slots__ defined. The
|
|
numbers hierarchy now has its own __slots__ declarations.
|
|
|
|
- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
|
|
encoding.
|
|
|
|
- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
|
|
function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
|
|
|
|
- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
|
|
under NT and OS2. Patch by Philip Jenvey.
|
|
|
|
- Issue #5128: Make compileall properly inspect bytecode to determine if needs
|
|
to be recreated. This avoids a timing hole thanks to the old reliance on the
|
|
ctime of the files involved.
|
|
|
|
- Issue #5122: Synchronize tk load failure check to prevent a potential
|
|
deadlock.
|
|
|
|
- Issue #1818: collections.namedtuple() now supports a keyword argument
|
|
'rename' which lets invalid fieldnames be automatically converted to
|
|
positional names in the form, _1, _2, ...
|
|
|
|
- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
|
|
|
|
- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
|
|
public documented method ``ZipImporter.get_filename()``.
|
|
|
|
- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
|
|
the execution of packages by looking for and executing a ``__main__``
|
|
submodule when a package name is supplied. Initial patch by Andi
|
|
Vajda.
|
|
|
|
- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
|
|
not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
|
|
Tkapp_Call when calling from a thread different than the one that created
|
|
the Tcl interpreter. Patch by Robert Hancock.
|
|
|
|
- Issue #4285: Change sys.version_info to be a named tuple. Patch by
|
|
Ross Light.
|
|
|
|
- Issue #1520877: Now distutils.sysconfig reads $AR from the
|
|
environment/Makefile. Patch by Douglas Greiman.
|
|
|
|
- Issue #1276768: The verbose option was not used in the code of
|
|
distutils.file_util and distutils.dir_util.
|
|
|
|
- Issue #5132: Fixed trouble building extensions under Solaris with
|
|
--enabled-shared activated. Initial patch by Dave Peterson.
|
|
|
|
- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
|
|
|
|
- The shelve module now defaults to pickle protocol 3.
|
|
|
|
- Fix a bug in the trace module where a bytes object from co_lnotab had its
|
|
items being passed through ord().
|
|
|
|
- Issue #2047: shutil.move() could believe that its destination path was
|
|
inside its source path if it began with the same letters (e.g. "src" vs.
|
|
"src.new").
|
|
|
|
- Added the ttk module. See issue #2983: Ttk support for Tkinter.
|
|
|
|
- Removed isSequenceType(), isMappingType, and isNumberType() from the
|
|
operator module; use the abstract base classes instead. Also removed
|
|
the repeat() function; use mul() instead.
|
|
|
|
- Issue #5021: doctest.testfile() did not create __name__ and
|
|
collections.namedtuple() relied on __name__ being defined.
|
|
|
|
- Backport importlib from Python 3.1. Only the import_module() function has
|
|
been backported to help facilitate transitions from 2.7 to 3.1.
|
|
|
|
- Issue #1885: distutils. When running sdist with --formats=tar,gztar
|
|
the tar file was overriden by the gztar one.
|
|
|
|
- Issue #4863: distutils.mwerkscompiler has been removed.
|
|
|
|
- Added a new itertools functions: combinations_with_replacement()
|
|
and compress().
|
|
|
|
- Issue #5032: added a step argument to itertools.count() and
|
|
allowed non-integer arguments.
|
|
|
|
- Fix and properly document the multiprocessing module's logging
|
|
support, expose the internal levels and provide proper usage
|
|
examples.
|
|
|
|
- Issue #1672332: fix unpickling of subnormal floats, which was
|
|
producing a ValueError on some platforms.
|
|
|
|
- Issue #3881: Help Tcl to load even when started through the
|
|
unreadable local symlink to "Program Files" on Vista.
|
|
|
|
- Issue #4710: Extract directories properly in the zipfile module;
|
|
allow adding directories to a zipfile.
|
|
|
|
- Issue #3807: _multiprocessing build fails when configure is passed
|
|
--without-threads argument. When this occurs, _multiprocessing will
|
|
be disabled, and not compiled.
|
|
|
|
- Issue #5008: When a file is opened in append mode with the new IO library,
|
|
do an explicit seek to the end of file (so that e.g. tell() returns the
|
|
file size rather than 0). This is consistent with the behaviour of the
|
|
traditional 2.x file object.
|
|
|
|
- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
|
|
parameter was set.
|
|
|
|
- Issue #4842: Always append a trailing 'L' when pickling longs using
|
|
pickle protocol 0. When reading, the 'L' is optional.
|
|
|
|
- Add the importlib package.
|
|
|
|
- Issue #4301: Patch the logging module to add processName support, remove
|
|
_check_logger_class from multiprocessing.
|
|
|
|
- Issue #3325: Remove python2.x try: except: imports for old cPickle from
|
|
multiprocessing.
|
|
|
|
- Issue #4959: inspect.formatargspec now works for keyword only arguments
|
|
without defaults.
|
|
|
|
- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
|
|
for *nix machines for negative handles and large int handles. Without this check
|
|
it is possible to segfault the interpreter.
|
|
|
|
- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
|
|
in sharedctypes.py.
|
|
|
|
- Issue #1225107: inspect.isclass() returned True for instances with a custom
|
|
__getattr__.
|
|
|
|
- Issue #3826 and #4791: The socket module now closes the underlying socket
|
|
appropriately when it is being used via socket.makefile() objects
|
|
rather than delaying the close by waiting for garbage collection to do it.
|
|
|
|
- Issue #1696199: Add collections.Counter() for rapid and convenient
|
|
counting.
|
|
|
|
- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
|
|
|
|
- Issue #4867: Fixed a crash in ctypes when passing a string to a
|
|
function without defining argtypes.
|
|
|
|
- Issue #4272: Add an optional argument to the GzipFile constructor to override
|
|
the timestamp in the gzip stream. The default value remains the current time.
|
|
The information can be used by e.g. gunzip when decompressing. Patch by
|
|
Jacques Frechet.
|
|
|
|
- Restore Python 2.3 compatibility for decimal.py.
|
|
|
|
- Issue #3638: Remove functions from _tkinter module level that depend on
|
|
TkappObject to work with multiple threads.
|
|
|
|
- Issue #4718: Adapt the wsgiref package so that it actually works with
|
|
Python 3.x, in accordance with the `official amendments of the spec
|
|
<http://www.wsgi.org/wsgi/Amendments_1.0>`_.
|
|
|
|
- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
|
|
to the decimal module.
|
|
|
|
- Fractions.from_float() no longer loses precision for integers too big to
|
|
cast as floats.
|
|
|
|
- Issue #4812: add missing underscore prefix to some internal-use-only
|
|
constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
|
|
|
|
- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
|
|
did unnecessary work in the common case where no key function was specified.
|
|
|
|
- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
|
|
the function is not a generator.
|
|
|
|
- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
|
|
no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
|
|
|
|
- Issue #4646: distutils was choking on empty options arg in the setup
|
|
function. Original patch by Thomas Heller.
|
|
|
|
- Issue #3767: Convert Tk object to string in tkColorChooser.
|
|
|
|
- Issue #3248: Allow placing ScrolledText in a PanedWindow.
|
|
|
|
- Issue #4444: Allow assertRaises() to be used as a context handler, so that
|
|
the code under test can be written inline if more practical.
|
|
|
|
- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
|
|
works as expected in the interactive environment.
|
|
|
|
- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
|
|
Gabriel Genellina.
|
|
|
|
- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
|
|
boundary.
|
|
|
|
- Issue #4223: inspect.getsource() will now correctly display source code
|
|
for packages loaded via zipimport (or any other conformant PEP 302
|
|
loader). Original patch by Alexander Belopolsky.
|
|
|
|
- Issue #4201: pdb can now access and display source code loaded via
|
|
zipimport (or any other conformant PEP 302 loader). Original patch by
|
|
Alexander Belopolsky.
|
|
|
|
- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
|
|
302 conformant loader) will now work correctly in most cases (they
|
|
are still subject to the constraints that exist for all code running
|
|
from inside a module loaded via a PEP 302 loader and attempting to
|
|
perform IO operations based on __file__). Original patch by
|
|
Alexander Belopolsky.
|
|
|
|
- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
|
|
allows backporting to maintenance branches. Original patch by
|
|
Alexander Belopolsky.
|
|
|
|
- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
|
|
a non-ASCII letter.
|
|
|
|
- Issue #4616: TarFile.utime(): Restore directory times on Windows.
|
|
|
|
- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
|
|
codec cannot be found. This is for compatibility with the builtin behavior.
|
|
|
|
- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
|
|
give correct results in the case where one argument is a quiet NaN
|
|
and the other is a finite number that requires rounding.
|
|
|
|
- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
|
|
libs.
|
|
|
|
- Added the subprocess.check_call_output() convenience function to get output
|
|
from a subprocess on success or raise an exception on error.
|
|
|
|
- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
|
|
support unusual filenames (such as those containing semi-colons) in
|
|
Content-Disposition headers.
|
|
|
|
- Issue #4384: Added logging integration with warnings module using
|
|
captureWarnings(). This change includes a NullHandler which does nothing;
|
|
it will be of use to library developers who want to avoid the "No handlers
|
|
could be found for logger XXX" message which can appear if the library user
|
|
doesn't configure logging.
|
|
|
|
- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
|
|
exception.
|
|
|
|
- Issue #4529: fix the parser module's validation of try-except-finally
|
|
statements.
|
|
|
|
- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
|
|
not a malformed option.
|
|
|
|
- Added the subprocess.check_output() convenience function to get output
|
|
from a subprocess on success or raise an exception on error.
|
|
|
|
- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
|
|
the corresponding tests now pass.
|
|
|
|
- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
|
|
it was calling the wrong open() function.
|
|
|
|
- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
|
|
support unusual filenames (such as those containing semi-colons) in
|
|
Content-Disposition headers.
|
|
|
|
- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
|
|
biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
|
|
|
|
- Issue #5104: The socket module now raises OverflowError when 16-bit port and
|
|
protocol numbers are supplied outside the allowed 0-65536 range on bind()
|
|
and getservbyport().
|
|
|
|
- Windows locale mapping updated to Vista.
|
|
|
|
Tools/Demos
|
|
-----------
|
|
|
|
- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
|
|
and make it 2.6-compatible.
|
|
|
|
- Ttk demos added in Demo/tkinter/ttk/
|
|
|
|
- Issue #4677: add two list comprehension tests to pybench.
|
|
|
|
|
|
Build
|
|
-----
|
|
|
|
- Issue #6094: Build correctly with Subversion 1.7.
|
|
|
|
- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
|
|
|
|
- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
|
|
linker, rather than always exit successfully. Patch by Floris Bruynooghe.
|
|
|
|
- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
|
|
the order that backends for the dbm extension are checked.
|
|
|
|
- Link the shared python library with $(MODLIBS).
|
|
|
|
- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
|
|
|
|
- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
|
|
|
|
- Issue #4895: Use _strdup on Windows CE.
|
|
|
|
- Issue #4472: "configure --enable-shared" now works on OSX
|
|
|
|
- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
|
|
|
|
- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
|
|
|
|
- Issue #4289: Remove Cancel button from AdvancedDlg.
|
|
|
|
- Issue #1656675: Register a drop handler for .py* files on Windows.
|
|
|
|
- Issue #4120: Exclude manifest from extension modules in VS2008.
|
|
|
|
- Issue #4091: Install pythonxy.dll in system32 again.
|
|
|
|
- Issue #4018: Disable "for me" installations on Vista.
|
|
|
|
- Issue #3758: Add ``patchcheck`` build target to .PHONY.
|
|
|
|
- Issue #4204: Fixed module build errors on FreeBSD 4.
|
|
|
|
|
|
C-API
|
|
-----
|
|
|
|
- Issue #6624: yArg_ParseTuple with "s" format when parsing argument with
|
|
NUL: Bogus TypeError detail string.
|
|
|
|
- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
|
|
for negative arguments. Previously, it raised TypeError.
|
|
|
|
- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
|
|
|
|
- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
|
|
the GIL is released, or owned by another thread.
|
|
|
|
- Issue #4122: On Windows, fix a compilation error when using the
|
|
Py_UNICODE_ISSPACE macro in an extension module.
|
|
|
|
|
|
Extension Modules
|
|
-----------------
|
|
|
|
- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
|
|
supporting objects as input no matter how it was compiled (built in
|
|
implementations or external openssl library).
|
|
|
|
- Issue #4397: Fix occasional test_socket failure on OS X.
|
|
|
|
- Issue #4279: Fix build of parsermodule under Cygwin.
|
|
|
|
- Issue #4751: hashlib now releases the GIL when hashing large buffers
|
|
(with a hardwired threshold of 2048 bytes), allowing better parallelization
|
|
on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
|
|
|
|
- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
|
|
|
|
- Issue #4738: Each zlib object now has a separate lock, allowing to compress
|
|
or decompress several streams at once on multi-CPU systems. Also, the GIL
|
|
is now released when computing the CRC of a large buffer. Patch by ebfe.
|
|
|
|
- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
|
|
|
|
- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
|
|
|
|
- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
|
|
OpenBSD.
|
|
|
|
- Issue #4583: array.array would not always prohibit resizing when a buffer
|
|
has been exported, resulting in an interpreter crash when accessing the
|
|
buffer.
|
|
|
|
|
|
- Issue #5228: Make functools.partial objects can now be pickled.
|
|
|
|
Tests
|
|
-----
|
|
|
|
- Issue #6152: New option '-j'/'--multiprocess' for regrtest allows running
|
|
regression tests in parallel, shortening the total runtime.
|
|
|
|
- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
|
|
Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
|
|
the same behaviour as test_ttkguionly (and now also test_tk) which is to
|
|
skip the tests if DISPLAY is defined but can't be used.
|
|
|
|
- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
|
|
that should cause a test to be skipped are now done using import_module
|
|
from test support, which does the conversion.
|
|
|
|
- Issue #5083: New 'gui' resource for regrtest.
|
|
|
|
|
|
Docs
|
|
----
|
|
|
|
|
|
**(For information about older versions, consult the HISTORY file.)**
|