[Python-checkins] cpython (merge 3.6 -> default): Update Misc/NEWS and Misc/HISTORY from current 3.5 and 3.4 branches.
ned.deily
python-checkins at python.org
Fri Jan 20 10:39:36 EST 2017
https://hg.python.org/cpython/rev/31a05787eb93
changeset: 106250:31a05787eb93
parent: 106248:ef416878495f
parent: 106249:413e4827d705
user: Ned Deily <nad at python.org>
date: Fri Jan 20 10:39:13 2017 -0500
summary:
Update Misc/NEWS and Misc/HISTORY from current 3.5 and 3.4 branches.
files:
Misc/HISTORY | 2244 +++++++++++++++++++++++++++++++++++++-
Misc/NEWS | 1474 ++++++++++++++++++++++++-
2 files changed, 3669 insertions(+), 49 deletions(-)
diff --git a/Misc/HISTORY b/Misc/HISTORY
--- a/Misc/HISTORY
+++ b/Misc/HISTORY
@@ -7,6 +7,2191 @@
======================================================================
+What's New in Python 3.4.6?
+===========================
+
+Release date: 2017-01-17
+
+There were no changes between 3.4.6rc1 and 3.4.6 final.
+
+
+What's New in Python 3.4.6rc1?
+==============================
+
+Release date: 2017-01-02
+
+Core and Builtins
+-----------------
+
+- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
+ when decode astral characters. Patch by Xiang Zhang.
+
+- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
+ build.
+
+Library
+-------
+
+- Issue #28563: Fixed possible DoS and arbitrary code execution when handle
+ plural form selections in the gettext module. The expression parser now
+ supports exact syntax supported by GNU gettext.
+
+- In the curses module, raise an error if window.getstr() or window.instr() is
+ passed a negative value.
+
+- Issue #27783: Fix possible usage of uninitialized memory in operator.methodcaller.
+
+- Issue #27774: Fix possible Py_DECREF on unowned object in _sre.
+
+- Issue #27760: Fix possible integer overflow in binascii.b2a_qp.
+
+- Issue #27758: Fix possible integer overflow in the _csv module for large record
+ lengths.
+
+- Issue #27568: Prevent HTTPoxy attack (CVE-2016-1000110). Ignore the
+ HTTP_PROXY variable when REQUEST_METHOD environment is set, which indicates
+ that the script is in CGI mode.
+
+- Issue #27759: Fix selectors incorrectly retain invalid file descriptors.
+ Patch by Mark Williams.
+
+Build
+-----
+
+- Issue #28248: Update Windows build to use OpenSSL 1.0.2j.
+
+Tests
+-----
+
+- Issue #27369: In test_pyexpat, avoid testing an error message detail that
+ changed in Expat 2.2.0.
+
+
+What's New in Python 3.4.5?
+===========================
+
+Release date: 2016-06-26
+
+Tests
+-----
+
+- Issue #26867: Ubuntu's openssl OP_NO_SSLv3 is forced on by default; fix test.
+
+
+What's New in Python 3.4.5rc1?
+==============================
+
+Release date: 2016-06-11
+
+Core and Builtins
+-----------------
+
+- Issue #26478: Fix semantic bugs when using binary operators with dictionary
+ views and tuples.
+
+- Issue #26171: Fix possible integer overflow and heap corruption in
+ zipimporter.get_data().
+
+Library
+-------
+
+- Issue #26556: Update expat to 2.1.1, fixes CVE-2015-1283.
+
+- Fix TLS stripping vulnerability in smptlib, CVE-2016-0772. Reported by Team
+ Oststrom
+
+- Issue #25939: On Windows open the cert store readonly in ssl.enum_certificates.
+
+- Issue #26012: Don't traverse into symlinks for ** pattern in
+ pathlib.Path.[r]glob().
+
+- Issue #24120: Ignore PermissionError when traversing a tree with
+ pathlib.Path.[r]glob(). Patch by Ulrich Petri.
+
+- Skip getaddrinfo if host is already resolved.
+ Patch by A. Jesse Jiryu Davis.
+
+- Add asyncio.timeout() context manager.
+
+- Issue #26050: Add asyncio.StreamReader.readuntil() method.
+ Patch by Марк Коренберг.
+
+Tests
+-----
+
+- Issue #25940: Changed test_ssl to use self-signed.pythontest.net. This
+ avoids relying on svn.python.org, which recently changed root certificate.
+
+
+What's New in Python 3.4.4?
+===========================
+
+Release date: 2015/12/20
+
+Windows
+-------
+
+- Issue #25844: Corrected =/== typo potentially leading to crash in launcher.
+
+
+What's New in Python 3.4.4rc1?
+==============================
+
+Release date: 2015/12/06
+
+Core and Builtins
+-----------------
+
+- Issue #25709: Fixed problem with in-place string concatenation and utf-8
+ cache.
+
+- Issue #24097: Fixed crash in object.__reduce__() if slot name is freed inside
+ __getattr__.
+
+- Issue #24731: Fixed crash on converting objects with special methods
+ __bytes__, __trunc__, and __float__ returning instances of subclasses of
+ bytes, int, and float to subclasses of bytes, int, and float correspondingly.
+
+- Issue #25388: Fixed tokenizer crash when processing undecodable source code
+ with a null byte.
+
+- Issue #22995: Default implementation of __reduce__ and __reduce_ex__ now
+ rejects builtin types with not defined __new__.
+
+- Issue #24802: Avoid buffer overreads when int(), float(), compile(), exec()
+ and eval() are passed bytes-like objects. These objects are not
+ necessarily terminated by a null byte, but the functions assumed they were.
+
+- Issue #24402: Fix input() to prompt to the redirected stdout when
+ sys.stdout.fileno() fails.
+
+- Issue #24806: Prevent builtin types that are not allowed to be subclassed from
+ being subclassed through multiple inheritance.
+
+- Issue #24848: Fixed a number of bugs in UTF-7 decoding of misformed data.
+
+- Issue #25280: Import trace messages emitted in verbose (-v) mode are no
+ longer formatted twice.
+
+- Issue #25003: os.urandom() doesn't use getentropy() on Solaris because
+ getentropy() is blocking, whereas os.urandom() should not block. getentropy()
+ is supported since Solaris 11.3.
+
+- Issue #25182: The stdprinter (used as sys.stderr before the io module is
+ imported at startup) now uses the backslashreplace error handler.
+
+- Issue #24891: Fix a race condition at Python startup if the file descriptor
+ of stdin (0), stdout (1) or stderr (2) is closed while Python is creating
+ sys.stdin, sys.stdout and sys.stderr objects. These attributes are now set
+ to None if the creation of the object failed, instead of raising an OSError
+ exception. Initial patch written by Marco Paolini.
+
+- Issue #21167: NAN operations are now handled correctly when python is
+ compiled with ICC even if -fp-model strict is not specified.
+
+- Issue #4395: Better testing and documentation of binary operators.
+ Patch by Martin Panter.
+
+- Issue #24467: Fixed possible buffer over-read in bytearray. The bytearray
+ object now always allocates place for trailing null byte and it's buffer now
+ is always null-terminated.
+
+- Issue #24115: Update uses of PyObject_IsTrue(), PyObject_Not(),
+ PyObject_IsInstance(), PyObject_RichCompareBool() and _PyDict_Contains()
+ to check for and handle errors correctly.
+
+- Issue #24257: Fixed system error in the comparison of faked
+ types.SimpleNamespace.
+
+- Issue #22939: Fixed integer overflow in iterator object. Patch by
+ Clement Rouault.
+
+- Issue #23985: Fix a possible buffer overrun when deleting a slice from
+ the front of a bytearray and then appending some other bytes data.
+
+- Issue #24102: Fixed exception type checking in standard error handlers.
+
+- Issue #23757: PySequence_Tuple() incorrectly called the concrete list API
+ when the data was a list subclass.
+
+- Issue #24407: Fix crash when dict is mutated while being updated.
+
+- Issue #24096: Make warnings.warn_explicit more robust against mutation of the
+ warnings.filters list.
+
+- Issue #23996: Avoid a crash when a delegated generator raises an
+ unnormalized StopIteration exception. Patch by Stefan Behnel.
+
+- Issue #24022: Fix tokenizer crash when processing undecodable source code.
+
+- Issue #23309: Avoid a deadlock at shutdown if a daemon thread is aborted
+ while it is holding a lock to a buffered I/O object, and the main thread
+ tries to use the same I/O object (typically stdout or stderr). A fatal
+ error is emitted instead.
+
+- Issue #22977: Fixed formatting Windows error messages on Wine.
+ Patch by Martin Panter.
+
+- Issue #23803: Fixed str.partition() and str.rpartition() when a separator
+ is wider then partitioned string.
+
+- Issue #23192: Fixed generator lambdas. Patch by Bruno Cauet.
+
+- Issue #23629: Fix the default __sizeof__ implementation for variable-sized
+ objects.
+
+- Issue #24044: Fix possible null pointer dereference in list.sort in out of
+ memory conditions.
+
+- Issue #21354: PyCFunction_New function is exposed by python DLL again.
+
+Library
+-------
+
+- Issue #24903: Fix regression in number of arguments compileall accepts when
+ '-d' is specified. The check on the number of arguments has been dropped
+ completely as it never worked correctly anyway.
+
+- Issue #25764: In the subprocess module, preserve any exception caused by
+ fork() failure when preexec_fn is used.
+
+- Issue #6478: _strptime's regexp cache now is reset after changing timezone
+ with time.tzset().
+
+- Issue #25177: Fixed problem with the mean of very small and very large
+ numbers. As a side effect, statistics.mean and statistics.variance should
+ be significantly faster.
+
+- Issue #25718: Fixed copying object with state with boolean value is false.
+
+- Issue #10131: Fixed deep copying of minidom documents. Based on patch
+ by Marian Ganisin.
+
+- Issue #25725: Fixed a reference leak in pickle.loads() when unpickling
+ invalid data including tuple instructions.
+
+- Issue #25663: In the Readline completer, avoid listing duplicate global
+ names, and search the global namespace before searching builtins.
+
+- Issue #25688: Fixed file leak in ElementTree.iterparse() raising an error.
+
+- Issue #23914: Fixed SystemError raised by unpickler on broken pickle data.
+
+- Issue #25691: Fixed crash on deleting ElementTree.Element attributes.
+
+- Issue #25624: ZipFile now always writes a ZIP_STORED header for directory
+ entries. Patch by Dingyuan Wang.
+
+- Issue #25583: Avoid incorrect errors raised by os.makedirs(exist_ok=True)
+ when the OS gives priority to errors such as EACCES over EEXIST.
+
+- Issue #25593: Change semantics of EventLoop.stop() in asyncio.
+
+- Issue #6973: When we know a subprocess.Popen process has died, do
+ not allow the send_signal(), terminate(), or kill() methods to do
+ anything as they could potentially signal a different process.
+
+- Issue #25578: Fix (another) memory leak in SSLSocket.getpeercer().
+
+- Issue #25590: In the Readline completer, only call getattr() once per
+ attribute.
+
+- Issue #25498: Fix a crash when garbage-collecting ctypes objects created
+ by wrapping a memoryview. This was a regression made in 3.4.3. Based
+ on patch by Eryksun.
+
+- Issue #18010: Fix the pydoc web server's module search function to handle
+ exceptions from importing packages.
+
+- Issue #25510: fileinput.FileInput.readline() now returns b'' instead of ''
+ at the end if the FileInput was opened with binary mode.
+ Patch by Ryosuke Ito.
+
+- Issue #25530: Disable the vulnerable SSLv3 protocol by default when creating
+ ssl.SSLContext.
+
+- Issue #25569: Fix memory leak in SSLSocket.getpeercert().
+
+- Issue #21827: Fixed textwrap.dedent() for the case when largest common
+ whitespace is a substring of smallest leading whitespace.
+ Based on patch by Robert Li.
+
+- Issue #25471: Sockets returned from accept() shouldn't appear to be
+ nonblocking.
+
+- Issue #25441: asyncio: Raise error from drain() when socket is closed.
+
+- Issue #25411: Improved Unicode support in SMTPHandler through better use of
+ the email package. Thanks to user simon04 for the patch.
+
+- Issue #25380: Fixed protocol for the STACK_GLOBAL opcode in
+ pickletools.opcodes.
+
+- Issue #23972: Updates asyncio datagram create method allowing reuseport
+ and reuseaddr socket options to be set prior to binding the socket.
+ Mirroring the existing asyncio create_server method the reuseaddr option
+ for datagram sockets defaults to True if the O/S is 'posix' (except if the
+ platform is Cygwin). Patch by Chris Laws.
+
+- Issue #25304: Add asyncio.run_coroutine_threadsafe(). This lets you
+ submit a coroutine to a loop from another thread, returning a
+ concurrent.futures.Future. By Vincent Michel.
+
+- Issue #25319: When threading.Event is reinitialized, the underlying condition
+ should use a regular lock rather than a recursive lock.
+
+- Issue #25232: Fix CGIRequestHandler to split the query from the URL at the
+ first question mark (?) rather than the last. Patch from Xiang Zhang.
+
+- Issue #24657: Prevent CGIRequestHandler from collapsing slashes in the
+ query part of the URL as if it were a path. Patch from Xiang Zhang.
+
+- Issue #22958: Constructor and update method of weakref.WeakValueDictionary
+ now accept the self and the dict keyword arguments.
+
+- Issue #22609: Constructor of collections.UserDict now accepts the self keyword
+ argument.
+
+- Issue #25262. Added support for BINBYTES8 opcode in Python implementation of
+ unpickler. Highest 32 bits of 64-bit size for BINUNICODE8 and BINBYTES8
+ opcodes no longer silently ignored on 32-bit platforms in C implementation.
+
+- Issue #25034: Fix string.Formatter problem with auto-numbering and
+ nested format_specs. Patch by Anthon van der Neut.
+
+- Issue #25233: Rewrite the guts of asyncio.Queue and
+ asyncio.Semaphore to be more understandable and correct.
+
+- Issue #23600: Default implementation of tzinfo.fromutc() was returning
+ wrong results in some cases.
+
+- Issue #25203: Failed readline.set_completer_delims() no longer left the
+ module in inconsistent state.
+
+- Prevent overflow in _Unpickler_Read.
+
+- Issue #25047: The XML encoding declaration written by Element Tree now
+ respects the letter case given by the user. This restores the ability to
+ write encoding names in uppercase like "UTF-8", which worked in Python 2.
+
+- Issue #19143: platform module now reads Windows version from kernel32.dll to
+ avoid compatibility shims.
+
+- Issue #23517: Fix rounding in fromtimestamp() and utcfromtimestamp() methods
+ of datetime.datetime: microseconds are now rounded to nearest with ties
+ going to nearest even integer (ROUND_HALF_EVEN), instead of being rounding
+ towards zero (ROUND_DOWN). It's important that these methods use the same
+ rounding mode than datetime.timedelta to keep the property:
+ (datetime(1970,1,1) + timedelta(seconds=t)) == datetime.utcfromtimestamp(t).
+ It also the rounding mode used by round(float) for example.
+
+- Issue #24684: socket.socket.getaddrinfo() now calls
+ PyUnicode_AsEncodedString() instead of calling the encode() method of the
+ host, to handle correctly custom string with an encode() method which doesn't
+ return a byte string. The encoder of the IDNA codec is now called directly
+ instead of calling the encode() method of the string.
+
+- Issue #24982: shutil.make_archive() with the "zip" format now adds entries
+ for directories (including empty directories) in ZIP file.
+
+- Issue #24857: Comparing call_args to a long sequence now correctly returns a
+ boolean result instead of raising an exception. Patch by A Kaptur.
+
+- Issue #25019: Fixed a crash caused by setting non-string key of expat parser.
+ Based on patch by John Leitch.
+
+- Issue #24917: time_strftime() buffer over-read.
+
+- Issue #23144: Make sure that HTMLParser.feed() returns all the data, even
+ when convert_charrefs is True.
+
+- Issue #16180: Exit pdb if file has syntax error, instead of trapping user
+ in an infinite loop. Patch by Xavier de Gaye.
+
+- Issue #21112: Fix regression in unittest.expectedFailure on subclasses.
+ Patch from Berker Peksag.
+
+- Issue #24931: Instances of subclasses of namedtuples have their own __dict__
+ which breaks the inherited __dict__ property and breaks the _asdict() method.
+ Removed the __dict__ property to prevent the conflict and fixed _asdict().
+
+- Issue #24764: cgi.FieldStorage.read_multi() now ignores the Content-Length
+ header in part headers. Patch written by Peter Landry and reviewed by Pierre
+ Quentel.
+
+- Issue #24774: Fix docstring in http.server.test. Patch from Chiu-Hsiang Hsu.
+
+- Issue #21159: Improve message in configparser.InterpolationMissingOptionError.
+ Patch from Łukasz Langa.
+
+- Issue #23888: Handle fractional time in cookie expiry. Patch by ssh.
+
+- Issue #23004: mock_open() now reads binary data correctly when the type of
+ read_data is bytes. Initial patch by Aaron Hill.
+
+- Issue #23652: Make it possible to compile the select module against the
+ libc headers from the Linux Standard Base, which do not include some
+ EPOLL macros. Patch by Matt Frank.
+
+- Issue #22932: Fix timezones in email.utils.formatdate.
+ Patch from Dmitry Shachnev.
+
+- Issue #23779: imaplib raises TypeError if authenticator tries to abort.
+ Patch from Craig Holmquist.
+
+- Issue #23319: Fix ctypes.BigEndianStructure, swap correctly bytes. Patch
+ written by Matthieu Gautier.
+
+- Issue #23254: Document how to close the TCPServer listening socket.
+ Patch from Martin Panter.
+
+- Issue #19450: Update Windows and OS X installer builds to use SQLite 3.8.11.
+
+- Issue #23441: rcompleter now prints a tab character instead of displaying
+ possible completions for an empty word. Initial patch by Martin Sekera.
+
+- Issue #24735: Fix invalid memory access in
+ itertools.combinations_with_replacement().
+
+- Issue #17527: Add PATCH to wsgiref.validator. Patch from Luca Sbardella.
+
+- Issue #24683: Fixed crashes in _json functions called with arguments of
+ inappropriate type.
+
+- Issue #21697: shutil.copytree() now correctly handles symbolic links that
+ point to directories. Patch by Eduardo Seabra and Thomas Kluyver.
+
+- Issue #24620: Random.setstate() now validates the value of state last element.
+
+- Issue #22153: Improve unittest docs. Patch from Martin Panter and evilzero.
+
+- Issue #24206: Fixed __eq__ and __ne__ methods of inspect classes.
+
+- Issue #21750: mock_open.read_data can now be read from each instance, as it
+ could in Python 3.3.
+
+- Issue #23247: Fix a crash in the StreamWriter.reset() of CJK codecs.
+
+- Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely.
+ Patch from Nicola Palumbo and Laurent De Buyst.
+
+- Issue #24608: chunk.Chunk.read() now always returns bytes, not str.
+
+- Issue #18684: Fixed reading out of the buffer in the re module.
+
+- Issue #24259: tarfile now raises a ReadError if an archive is truncated
+ inside a data segment.
+
+- Issue #24552: Fix use after free in an error case of the _pickle module.
+
+- Issue #24514: tarfile now tolerates number fields consisting of only
+ whitespace.
+
+- Issue #19176: Fixed doctype() related bugs in C implementation of ElementTree.
+ A deprecation warning no longer issued by XMLParser subclass with default
+ doctype() method. Direct call of doctype() now issues a warning. Parser's
+ doctype() now is not called if target's doctype() is called. Based on patch
+ by Martin Panter.
+
+- Issue #20387: Restore semantic round-trip correctness in tokenize/untokenize
+ for tab-indented blocks.
+
+- Issue #24456: Fixed possible buffer over-read in adpcm2lin() and lin2adpcm()
+ functions of the audioop module.
+
+- Issue #24336: The contextmanager decorator now works with functions with
+ keyword arguments called "func" and "self". Patch by Martin Panter.
+
+- Issue #24489: ensure a previously set C errno doesn't disturb cmath.polar().
+
+- Issue #5633: Fixed timeit when the statement is a string and the setup is not.
+
+- Issue #24326: Fixed audioop.ratecv() with non-default weightB argument.
+ Original patch by David Moore.
+
+- Issue #23840: tokenize.open() now closes the temporary binary file on error
+ to fix a resource warning.
+
+- Issue #24257: Fixed segmentation fault in sqlite3.Row constructor with faked
+ cursor type.
+
+- Issue #22107: tempfile.gettempdir() and tempfile.mkdtemp() now try again
+ when a directory with the chosen name already exists on Windows as well as
+ on Unix. tempfile.mkstemp() now fails early if parent directory is not
+ valid (not exists or is a file) on Windows.
+
+- Issue #6598: Increased time precision and random number range in
+ email.utils.make_msgid() to strengthen the uniqueness of the message ID.
+
+- Issue #24091: Fixed various crashes in corner cases in C implementation of
+ ElementTree.
+
+- Issue #21931: msilib.FCICreate() now raises TypeError in the case of a bad
+ argument instead of a ValueError with a bogus FCI error number.
+ Patch by Jeffrey Armstrong.
+
+- Issue #23796: peek and read1 methods of BufferedReader now raise ValueError
+ if they called on a closed object. Patch by John Hergenroeder.
+
+- Issue #24521: Fix possible integer overflows in the pickle module.
+
+- Issue #22931: Allow '[' and ']' in cookie values.
+
+- Issue #20274: Remove ignored and erroneous "kwargs" parameters from three
+ METH_VARARGS methods on _sqlite.Connection.
+
+- Issue #24094: Fix possible crash in json.encode with poorly behaved dict
+ subclasses.
+
+- Asyncio issue 222 / PR 231 (Victor Stinner) -- fix @coroutine
+ functions without __name__.
+
+- Issue #9246: On POSIX, os.getcwd() now supports paths longer than 1025 bytes.
+ Patch written by William Orr.
+
+- The keywords attribute of functools.partial is now always a dictionary.
+
+- Issues #24099, #24100, and #24101: Fix free-after-use bug in heapq's siftup
+ and siftdown functions.
+
+- Backport collections.deque fixes from Python 3.5. Prevents reentrant badness
+ during deletion by deferring the decref until the container has been restored
+ to a consistent state.
+
+- Issue #23008: Fixed resolving attributes with boolean value is False in pydoc.
+
+- Fix asyncio issue 235: LifoQueue and PriorityQueue's put didn't
+ increment unfinished tasks (this bug was introduced in 3.4.3 when
+ JoinableQueue was merged with Queue).
+
+- Issue #23908: os functions now reject paths with embedded null character
+ on Windows instead of silently truncate them.
+
+- Issue #23728: binascii.crc_hqx() could return an integer outside of the range
+ 0-0xffff for empty data.
+
+- Issue #23811: Add missing newline to the PyCompileError error message.
+ Patch by Alex Shkop.
+
+- Issue #17898: Fix exception in gettext.py when parsing certain plural forms.
+
+- Issue #22982: Improve BOM handling when seeking to multiple positions of
+ a writable text file.
+
+- Issue #23865: close() methods in multiple modules now are idempotent and more
+ robust at shutdown. If they need to release multiple resources, all are
+ released even if errors occur.
+
+- Issue #23881: urllib.request.ftpwrapper constructor now closes the socket if
+ the FTP connection failed to fix a ResourceWarning.
+
+- Issue #23400: Raise same exception on both Python 2 and 3 if sem_open is not
+ available. Patch by Davin Potts.
+
+- Issue #15133: _tkinter.tkapp.getboolean() now supports Tcl_Obj and always
+ returns bool. tkinter.BooleanVar now validates input values (accepted bool,
+ int, str, and Tcl_Obj). tkinter.BooleanVar.get() now always returns bool.
+
+- Issue #23338: Fixed formatting ctypes error messages on Cygwin.
+ Patch by Makoto Kato.
+
+- Issue #16840: Tkinter now supports 64-bit integers added in Tcl 8.4 and
+ arbitrary precision integers added in Tcl 8.5.
+
+- Issue #23834: Fix socket.sendto(), use the C Py_ssize_t type to store the
+ result of sendto() instead of the C int type.
+
+- Issue #21526: Tkinter now supports new boolean type in Tcl 8.5.
+
+- Issue #23838: linecache now clears the cache and returns an empty result on
+ MemoryError.
+
+- Issue #18473: Fixed 2to3 and 3to2 compatible pickle mappings. Fixed
+ ambigious reverse mappings. Added many new mappings. Import mapping is no
+ longer applied to modules already mapped with full name mapping.
+
+- Issue #23745: The new email header parser now handles duplicate MIME
+ parameter names without error, similar to how get_param behaves.
+
+- Issue #23792: Ignore KeyboardInterrupt when the pydoc pager is active.
+ This mimics the behavior of the standard unix pagers, and prevents
+ pipepager from shutting down while the pager itself is still running.
+
+- Issue #23742: ntpath.expandvars() no longer loses unbalanced single quotes.
+
+- Issue #21802: The reader in BufferedRWPair now is closed even when closing
+ writer failed in BufferedRWPair.close().
+
+- Issue #23671: string.Template now allows to specify the "self" parameter as
+ keyword argument. string.Formatter now allows to specify the "self" and
+ the "format_string" parameters as keyword arguments.
+
+- Issue #21560: An attempt to write a data of wrong type no longer cause
+ GzipFile corruption. Original patch by Wolfgang Maier.
+
+- Issue #23647: Increase impalib's MAXLINE to accommodate modern mailbox sizes.
+
+- Issue #23539: If body is None, http.client.HTTPConnection.request now sets
+ Content-Length to 0 for PUT, POST, and PATCH headers to avoid 411 errors from
+ some web servers.
+
+- Issue #22351: The nntplib.NNTP constructor no longer leaves the connection
+ and socket open until the garbage collector cleans them up. Patch by
+ Martin Panter.
+
+- Issue #23136: _strptime now uniformly handles all days in week 0, including
+ Dec 30 of previous year. Based on patch by Jim Carroll.
+
+- Issue #23700: Iterator of NamedTemporaryFile now keeps a reference to
+ NamedTemporaryFile instance. Patch by Bohuslav Kabrda.
+
+- Issue #22903: The fake test case created by unittest.loader when it fails
+ importing a test module is now picklable.
+
+- Issue #23568: Add rdivmod support to MagicMock() objects.
+ Patch by Håkan Lövdahl.
+
+- Issue #23138: Fixed parsing cookies with absent keys or values in cookiejar.
+ Patch by Demian Brecht.
+
+- Issue #23051: multiprocessing.Pool methods imap() and imap_unordered() now
+ handle exceptions raised by an iterator. Patch by Alon Diamant and Davin
+ Potts.
+
+- Issue #22928: Disabled HTTP header injections in http.client.
+ Original patch by Demian Brecht.
+
+- Issue #23615: Modules bz2, tarfile and tokenize now can be reloaded with
+ imp.reload(). Patch by Thomas Kluyver.
+
+- Issue #23476: In the ssl module, enable OpenSSL's X509_V_FLAG_TRUSTED_FIRST
+ flag on certificate stores when it is available.
+
+- Issue #23576: Avoid stalling in SSL reads when EOF has been reached in the
+ SSL layer but the underlying connection hasn't been closed.
+
+- Issue #23504: Added an __all__ to the types module.
+
+- Issue #20204: Added the __module__ attribute to _tkinter classes.
+
+- Issue #23521: Corrected pure python implementation of timedelta division.
+
+ * Eliminated OverflowError from timedelta * float for some floats;
+ * Corrected rounding in timedlta true division.
+
+- Issue #21619: Popen objects no longer leave a zombie after exit in the with
+ statement if the pipe was broken. Patch by Martin Panter.
+
+- Issue #6639: Module-level turtle functions no longer raise TclError after
+ closing the window.
+
+- Issues #814253, #9179: Warnings now are raised when group references and
+ conditional group references are used in lookbehind assertions in regular
+ expressions.
+
+- Issue #23215: Multibyte codecs with custom error handlers that ignores errors
+ consumed too much memory and raised SystemError or MemoryError.
+ Original patch by Aleksi Torhamo.
+
+- Issue #5700: io.FileIO() called flush() after closing the file.
+ flush() was not called in close() if closefd=False.
+
+- Issue #23374: Fixed pydoc failure with non-ASCII files when stdout encoding
+ differs from file system encoding (e.g. on Mac OS).
+
+- Issue #23481: Remove RC4 from the SSL module's default cipher list.
+
+- Issue #21548: Fix pydoc.synopsis() and pydoc.apropos() on modules with empty
+ docstrings.
+
+- Issue #22885: Fixed arbitrary code execution vulnerability in the dbm.dumb
+ module. Original patch by Claudiu Popa.
+
+- Issue #23146: Fix mishandling of absolute Windows paths with forward
+ slashes in pathlib.
+
+- Issue #23421: Fixed compression in tarfile CLI. Patch by wdv4758h.
+
+- Issue #23367: Fix possible overflows in the unicodedata module.
+
+- Issue #23361: Fix possible overflow in Windows subprocess creation code.
+
+- Issue #23801: Fix issue where cgi.FieldStorage did not always ignore the
+ entire preamble to a multipart body.
+
+- Issue #23310: Fix MagicMock's initializer to work with __methods__, just
+ like configure_mock(). Patch by Kasia Jachim.
+
+- asyncio: New event loop APIs: set_task_factory() and get_task_factory().
+
+- asyncio: async() function is deprecated in favour of ensure_future().
+
+- Issue #23898: Fix inspect.classify_class_attrs() to support attributes
+ with overloaded __eq__ and __bool__. Patch by Mike Bayer.
+
+- Issue #24298: Fix inspect.signature() to correctly unwrap wrappers
+ around bound methods.
+
+- Issue #23572: Fixed functools.singledispatch on classes with falsy
+ metaclasses. Patch by Ethan Furman.
+
+IDLE
+----
+
+- Issue 15348: Stop the debugger engine (normally in a user process)
+ before closing the debugger window (running in the IDLE process).
+ This prevents the RuntimeErrors that were being caught and ignored.
+
+- Issue #24455: Prevent IDLE from hanging when a) closing the shell while the
+ debugger is active (15347); b) closing the debugger with the [X] button
+ (15348); and c) activating the debugger when already active (24455).
+ The patch by Mark Roseman does this by making two changes.
+ 1. Suspend and resume the gui.interaction method with the tcl vwait
+ mechanism intended for this purpose (instead of root.mainloop & .quit).
+ 2. In gui.run, allow any existing interaction to terminate first.
+
+- Change 'The program' to 'Your program' in an IDLE 'kill program?' message
+ to make it clearer that the program referred to is the currently running
+ user program, not IDLE itself.
+
+- Issue #24750: Improve the appearance of the IDLE editor window status bar.
+ Patch by Mark Roseman.
+
+- Issue #25313: Change the handling of new built-in text color themes to better
+ address the compatibility problem introduced by the addition of IDLE Dark.
+ Consistently use the revised idleConf.CurrentTheme everywhere in idlelib.
+
+- Issue #24782: Extension configuration is now a tab in the IDLE Preferences
+ dialog rather than a separate dialog. The former tabs are now a sorted
+ list. Patch by Mark Roseman.
+
+- Issue #22726: Re-activate the config dialog help button with some content
+ about the other buttons and the new IDLE Dark theme.
+
+- Issue #24820: IDLE now has an 'IDLE Dark' built-in text color theme.
+ It is more or less IDLE Classic inverted, with a cobalt blue background.
+ Strings, comments, keywords, ... are still green, red, orange, ... .
+ To use it with IDLEs released before November 2015, hit the
+ 'Save as New Custom Theme' button and enter a new name,
+ such as 'Custom Dark'. The custom theme will work with any IDLE
+ release, and can be modified.
+
+- Issue #25224: README.txt is now an idlelib index for IDLE developers and
+ curious users. The previous user content is now in the IDLE doc chapter.
+ 'IDLE' now means 'Integrated Development and Learning Environment'.
+
+- Issue #24820: Users can now set breakpoint colors in
+ Settings -> Custom Highlighting. Original patch by Mark Roseman.
+
+- Issue #24972: Inactive selection background now matches active selection
+ background, as configured by users, on all systems. Found items are now
+ always highlighted on Windows. Initial patch by Mark Roseman.
+
+- Issue #24570: Idle: make calltip and completion boxes appear on Macs
+ affected by a tk regression. Initial patch by Mark Roseman.
+
+- Issue #24988: Idle ScrolledList context menus (used in debugger)
+ now work on Mac Aqua. Patch by Mark Roseman.
+
+- Issue #24801: Make right-click for context menu work on Mac Aqua.
+ Patch by Mark Roseman.
+
+- Issue #25173: Associate tkinter messageboxes with a specific widget.
+ For Mac OSX, make them a 'sheet'. Patch by Mark Roseman.
+
+- Issue #25198: Enhance the initial html viewer now used for Idle Help.
+ * Properly indent fixed-pitch text (patch by Mark Roseman).
+ * Give code snippet a very Sphinx-like light blueish-gray background.
+ * Re-use initial width and height set by users for shell and editor.
+ * When the Table of Contents (TOC) menu is used, put the section header
+ at the top of the screen.
+
+- Issue #25225: Condense and rewrite Idle doc section on text colors.
+
+- Issue #21995: Explain some differences between IDLE and console Python.
+
+- Issue #22820: Explain need for *print* when running file from Idle editor.
+
+- Issue #25224: Doc: augment Idle feature list and no-subprocess section.
+
+- Issue #25219: Update doc for Idle command line options.
+ Some were missing and notes were not correct.
+
+- Issue #24861: Most of idlelib is private and subject to change.
+ Use idleib.idle.* to start Idle. See idlelib.__init__.__doc__.
+
+- Issue #25199: Idle: add synchronization comments for future maintainers.
+
+- Issue #16893: Replace help.txt with help.html for Idle doc display.
+ The new idlelib/help.html is rstripped Doc/build/html/library/idle.html.
+ It looks better than help.txt and will better document Idle as released.
+ The tkinter html viewer that works for this file was written by Mark Roseman.
+ The now unused EditorWindow.HelpDialog class and helt.txt file are deprecated.
+
+- Issue #24199: Deprecate unused idlelib.idlever with possible removal in 3.6.
+
+- Issue #24790: Remove extraneous code (which also create 2 & 3 conflicts).
+
+- Issue #23672: Allow Idle to edit and run files with astral chars in name.
+ Patch by Mohd Sanad Zaki Rizvi.
+
+- Issue 24745: Idle editor default font. Switch from Courier to
+ platform-sensitive TkFixedFont. This should not affect current customized
+ font selections. If there is a problem, edit $HOME/.idlerc/config-main.cfg
+ and remove 'fontxxx' entries from [Editor Window]. Patch by Mark Roseman.
+
+- Issue #21192: Idle editor. When a file is run, put its name in the restart bar.
+ Do not print false prompts. Original patch by Adnan Umer.
+
+- Issue #13884: Idle menus. Remove tearoff lines. Patch by Roger Serwy.
+
+- Issue #23184: remove unused names and imports in idlelib.
+ Initial patch by Al Sweigart.
+
+Tests
+-----
+
+- Issue #25616: Tests for OrderedDict are extracted from test_collections
+ into separate file test_ordered_dict.
+
+- Issue #25099: Make test_compileall not fail when an entry on sys.path cannot
+ be written to (commonly seen in administrative installs on Windows).
+
+- Issue #24751: When running regrtest with the ``-w`` command line option,
+ a test run is no longer marked as a failure if all tests succeed when
+ re-run.
+
+- Issue #21520: test_zipfile no longer fails if the word 'bad' appears
+ anywhere in the name of the current directory.
+
+- Issue #23799: Added test.support.start_threads() for running and
+ cleaning up multiple threads.
+
+- Issue #22390: test.regrtest now emits a warning if temporary files or
+ directories are left after running a test.
+
+- Issue #23583: Added tests for standard IO streams in IDLE.
+
+Build
+-----
+
+- Issue #23445: pydebug builds now use "gcc -Og" where possible, to make
+ the resulting executable faster.
+
+- Issue #24603: Update Windows builds to use OpenSSL1.0.2d
+ and OS X 10.5 installer to use OpenSSL 1.0.2e.
+
+C API
+-----
+
+- Issue #23998: PyImport_ReInitLock() now checks for lock allocation error
+
+Documentation
+-------------
+
+- Issue #12067: Rewrite Comparisons section in the Expressions chapter of the
+ language reference. Some of the details of comparing mixed types were
+ incorrect or ambiguous. NotImplemented is only relevant at a lower level
+ than the Expressions chapter. Added details of comparing range() objects,
+ and default behaviour and consistency suggestions for user-defined classes.
+ Patch from Andy Maier.
+
+- Issue #24952: Clarify the default size argument of stack_size() in
+ the "threading" and "_thread" modules. Patch from Mattip.
+
+- Issue #24808: Update the types of some PyTypeObject fields. Patch by
+ Joseph Weston.
+
+- Issue #22812: Fix unittest discovery examples.
+ Patch from Pam McA'Nulty.
+
+- Issue #24129: Clarify the reference documentation for name resolution.
+ This includes removing the assumption that readers will be familiar with the
+ name resolution scheme Python used prior to the introduction of lexical
+ scoping for function namespaces. Patch by Ivan Levkivskyi.
+
+- Issue #20769: Improve reload() docs. Patch by Dorian Pula.
+
+- Issue #23589: Remove duplicate sentence from the FAQ. Patch by Yongzhi Pan.
+
+- Issue #24729: Correct IO tutorial to match implementation regarding
+ encoding parameter to open function.
+
+- Issue #24351: Clarify what is meant by "identifier" in the context of
+ string.Template instances.
+
+- Issue #22155: Add File Handlers subsection with createfilehandler to tkinter
+ doc. Remove obsolete example from FAQ. Patch by Martin Panter.
+
+- Issue #24029: Document the name binding behavior for submodule imports.
+
+- Issue #24077: Fix typo in man page for -I command option: -s, not -S.
+
+Tools/Demos
+-----------
+
+- Issue #25440: Fix output of python-config --extension-suffix.
+
+- Issue #23330: h2py now supports arbitrary filenames in #include.
+
+- Issue #24031: make patchcheck now supports git checkouts, too.
+
+Windows
+-------
+
+- Issue #24306: Sets component ID for launcher to match 3.5 and later
+ to avoid downgrading.
+
+- Issue #25022: Removed very outdated PC/example_nt/ directory.
+
+
+What's New in Python 3.4.3?
+===========================
+
+Release date: 2015-02-23
+
+Core and Builtins
+-----------------
+
+- Issue #22735: Fix many edge cases (including crashes) involving custom mro()
+ implementations.
+
+- Issue #22896: Avoid using PyObject_AsCharBuffer(), PyObject_AsReadBuffer()
+ and PyObject_AsWriteBuffer().
+
+- Issue #21295: Revert some changes (issue #16795) to AST line numbers and
+ column offsets that constituted a regression.
+
+- Issue #21408: The default __ne__() now returns NotImplemented if __eq__()
+ returned NotImplemented. Original patch by Martin Panter.
+
+- Issue #23321: Fixed a crash in str.decode() when error handler returned
+ replacment string longer than mailformed input data.
+
+- Issue #23048: Fix jumping out of an infinite while loop in the pdb.
+
+- Issue #20335: bytes constructor now raises TypeError when encoding or errors
+ is specified with non-string argument. Based on patch by Renaud Blanch.
+
+- Issue #22335: Fix crash when trying to enlarge a bytearray to 0x7fffffff
+ bytes on a 32-bit platform.
+
+- Issue #22653: Fix an assertion failure in debug mode when doing a reentrant
+ dict insertion in debug mode.
+
+- Issue #22643: Fix integer overflow in Unicode case operations (upper, lower,
+ title, swapcase, casefold).
+
+- Issue #22604: Fix assertion error in debug mode when dividing a complex
+ number by (nan+0j).
+
+- Issue #22470: Fixed integer overflow issues in "backslashreplace",
+ "xmlcharrefreplace", and "surrogatepass" error handlers.
+
+- Issue #22520: Fix overflow checking when generating the repr of a unicode
+ object.
+
+- Issue #22519: Fix overflow checking in PyBytes_Repr.
+
+- Issue #22518: Fix integer overflow issues in latin-1 encoding.
+
+- Issue #23165: Perform overflow checks before allocating memory in the
+ _Py_char2wchar function.
+
+Library
+-------
+
+- Issue #23399: pyvenv creates relative symlinks where possible.
+
+- Issue #23099: Closing io.BytesIO with exported buffer is rejected now to
+ prevent corrupting exported buffer.
+
+- Issue #23363: Fix possible overflow in itertools.permutations.
+
+- Issue #23364: Fix possible overflow in itertools.product.
+
+- Issue #23366: Fixed possible integer overflow in itertools.combinations.
+
+- Issue #23369: Fixed possible integer overflow in
+ _json.encode_basestring_ascii.
+
+- Issue #23353: Fix the exception handling of generators in
+ PyEval_EvalFrameEx(). At entry, save or swap the exception state even if
+ PyEval_EvalFrameEx() is called with throwflag=0. At exit, the exception state
+ is now always restored or swapped, not only if why is WHY_YIELD or
+ WHY_RETURN. Patch co-written with Antoine Pitrou.
+
+- Issue #18518: timeit now rejects statements which can't be compiled outside
+ a function or a loop (e.g. "return" or "break").
+
+- Issue #23094: Fixed readline with frames in Python implementation of pickle.
+
+- Issue #23268: Fixed bugs in the comparison of ipaddress classes.
+
+- Issue #21408: Removed incorrect implementations of __ne__() which didn't
+ returned NotImplemented if __eq__() returned NotImplemented. The default
+ __ne__() now works correctly.
+
+- Issue #19996: :class:`email.feedparser.FeedParser` now handles (malformed)
+ headers with no key rather than assuming the body has started.
+
+- Issue #23248: Update ssl error codes from latest OpenSSL git master.
+
+- Issue #23098: 64-bit dev_t is now supported in the os module.
+
+- Issue #23250: In the http.cookies module, capitalize "HttpOnly" and "Secure"
+ as they are written in the standard.
+
+- Issue #23063: In the disutils' check command, fix parsing of reST with code or
+ code-block directives.
+
+- Issue #23209, #23225: selectors.BaseSelector.close() now clears its internal
+ reference to the selector mapping to break a reference cycle. Initial patch
+ written by Martin Richard.
+
+- Issue #21356: Make ssl.RAND_egd() optional to support LibreSSL. The
+ availability of the function is checked during the compilation. Patch written
+ by Bernard Spil.
+
+- Issue #20896, #22935: The :func:`ssl.get_server_certificate` function now
+ uses the :data:`~ssl.PROTOCOL_SSLv23` protocol by default, not
+ :data:`~ssl.PROTOCOL_SSLv3`, for maximum compatibility and support platforms
+ where :data:`~ssl.PROTOCOL_SSLv3` support is disabled.
+
+- Issue #23111: In the ftplib, make ssl.PROTOCOL_SSLv23 the default protocol
+ version.
+
+- Issue #23132: Mitigate regression in speed and clarity in functools.total_ordering.
+
+- Issue #22585: On OpenBSD 5.6 and newer, os.urandom() now calls getentropy(),
+ instead of reading /dev/urandom, to get pseudo-random bytes.
+
+- Issue #23112: Fix SimpleHTTPServer to correctly carry the query string and
+ fragment when it redirects to add a trailing slash.
+
+- Issue #23093: In the io, module allow more operations to work on detached
+ streams.
+
+- Issue #19104: pprint now produces evaluable output for wrapped strings.
+
+- Issue #23071: Added missing names to codecs.__all__. Patch by Martin Panter.
+
+- Issue #15513: Added a __sizeof__ implementation for pickle classes.
+
+- Issue #19858: pickletools.optimize() now aware of the MEMOIZE opcode, can
+ produce more compact result and no longer produces invalid output if input
+ data contains MEMOIZE opcodes together with PUT or BINPUT opcodes.
+
+- Issue #22095: Fixed HTTPConnection.set_tunnel with default port. The port
+ value in the host header was set to "None". Patch by Demian Brecht.
+
+- Issue #23016: A warning no longer produces an AttributeError when the program
+ is run with pythonw.exe.
+
+- Issue #21775: shutil.copytree(): fix crash when copying to VFAT. An exception
+ handler assumed that that OSError objects always have a 'winerror' attribute.
+ That is not the case, so the exception handler itself raised AttributeError
+ when run on Linux (and, presumably, any other non-Windows OS).
+ Patch by Greg Ward.
+
+- Issue #1218234: Fix inspect.getsource() to load updated source of
+ reloaded module. Initial patch by Berker Peksag.
+
+- Issue #22959: In the constructor of http.client.HTTPSConnection, prefer the
+ context's check_hostname attribute over the *check_hostname* parameter.
+
+- Issue #16043: Add a default limit for the amount of data xmlrpclib.gzip_decode
+ will return. This resolves CVE-2013-1753.
+
+- Issue #22966: Fix __pycache__ pyc file name clobber when pyc_compile is
+ asked to compile a source file containing multiple dots in the source file
+ name.
+
+- Issue #21971: Update turtledemo doc and add module to the index.
+
+- Issue #21032. Fixed socket leak if HTTPConnection.getresponse() fails.
+ Original patch by Martin Panter.
+
+- Issue #22960: Add a context argument to xmlrpclib.ServerProxy constructor.
+
+- Issue #22915: SAX parser now supports files opened with file descriptor or
+ bytes path.
+
+- Issue #22609: Constructors and update methods of mapping classes in the
+ collections module now accept the self keyword argument.
+
+- Issue #22788: Add *context* parameter to logging.handlers.HTTPHandler.
+
+- Issue #22921: Allow SSLContext to take the *hostname* parameter even if
+ OpenSSL doesn't support SNI.
+
+- Issue #22894: TestCase.subTest() would cause the test suite to be stopped
+ when in failfast mode, even in the absence of failures.
+
+- Issue #22638: SSLv3 is now disabled throughout the standard library.
+ It can still be enabled by instantiating a SSLContext manually.
+
+- Issue #22370: Windows detection in pathlib is now more robust.
+
+- Issue #22841: Reject coroutines in asyncio add_signal_handler().
+ Patch by Ludovic.Gasc.
+
+- Issue #22849: Fix possible double free in the io.TextIOWrapper constructor.
+
+- Issue #12728: Different Unicode characters having the same uppercase but
+ different lowercase are now matched in case-insensitive regular expressions.
+
+- Issue #22821: Fixed fcntl() with integer argument on 64-bit big-endian
+ platforms.
+
+- Issue #22406: Fixed the uu_codec codec incorrectly ported to 3.x.
+ Based on patch by Martin Panter.
+
+- Issue #17293: uuid.getnode() now determines MAC address on AIX using netstat.
+ Based on patch by Aivars Kalvāns.
+
+- Issue #22769: Fixed ttk.Treeview.tag_has() when called without arguments.
+
+- Issue #22417: Verify certificates by default in httplib (PEP 476).
+
+- Issue #22775: Fixed unpickling of http.cookies.SimpleCookie with protocol 2
+ and above. Patch by Tim Graham.
+
+- Issue #22366: urllib.request.urlopen will accept a context object
+ (SSLContext) as an argument which will then used be for HTTPS connection.
+ Patch by Alex Gaynor.
+
+- Issue #22776: Brought excluded code into the scope of a try block in
+ SysLogHandler.emit().
+
+- Issue #22665: Add missing get_terminal_size and SameFileError to
+ shutil.__all__.
+
+- Issue #17381: Fixed handling of case-insensitive ranges in regular
+ expressions.
+
+- Issue #22410: Module level functions in the re module now cache compiled
+ locale-dependent regular expressions taking into account the locale.
+
+- Issue #22759: Query methods on pathlib.Path() (exists(), is_dir(), etc.)
+ now return False when the underlying stat call raises NotADirectoryError.
+
+- Issue #8876: distutils now falls back to copying files when hard linking
+ doesn't work. This allows use with special filesystems such as VirtualBox
+ shared folders.
+
+- Issue #18853: Fixed ResourceWarning in shlex.__nain__.
+
+- Issue #9351: Defaults set with set_defaults on an argparse subparser
+ are no longer ignored when also set on the parent parser.
+
+- Issue #21991: Make email.headerregistry's header 'params' attributes
+ be read-only (MappingProxyType). Previously the dictionary was modifiable
+ but a new one was created on each access of the attribute.
+
+- Issue #22641: In asyncio, the default SSL context for client connections
+ is now created using ssl.create_default_context(), for stronger security.
+
+- Issue #22435: Fix a file descriptor leak when SocketServer bind fails.
+
+- Issue #13096: Fixed segfault in CTypes POINTER handling of large
+ values.
+
+- Issue #11694: Raise ConversionError in xdrlib as documented. Patch
+ by Filip Gruszczyński and Claudiu Popa.
+
+- Issue #22462: Fix pyexpat's creation of a dummy frame to make it
+ appear in exception tracebacks.
+
+- Issue #21173: Fix len() on a WeakKeyDictionary when .clear() was called
+ with an iterator alive.
+
+- Issue #11866: Eliminated race condition in the computation of names
+ for new threads.
+
+- Issue #21905: Avoid RuntimeError in pickle.whichmodule() when sys.modules
+ is mutated while iterating. Patch by Olivier Grisel.
+
+- Issue #22219: The zipfile module CLI now adds entries for directories
+ (including empty directories) in ZIP file.
+
+- Issue #22449: In the ssl.SSLContext.load_default_certs, consult the
+ environmental variables SSL_CERT_DIR and SSL_CERT_FILE on Windows.
+
+- Issue #20076: Added non derived UTF-8 aliases to locale aliases table.
+
+- Issue #20079: Added locales supported in glibc 2.18 to locale alias table.
+
+- Issue #22396: On 32-bit AIX platform, don't expose os.posix_fadvise() nor
+ os.posix_fallocate() because their prototypes in system headers are wrong.
+
+- Issue #22517: When a io.BufferedRWPair object is deallocated, clear its
+ weakrefs.
+
+- Issue #22448: Improve canceled timer handles cleanup to prevent
+ unbound memory usage. Patch by Joshua Moore-Oliva.
+
+- Issue #23009: Make sure selectors.EpollSelecrtor.select() works when no
+ FD is registered.
+
+IDLE
+----
+
+- Issue #20577: Configuration of the max line length for the FormatParagraph
+ extension has been moved from the General tab of the Idle preferences dialog
+ to the FormatParagraph tab of the Config Extensions dialog.
+ Patch by Tal Einat.
+
+- Issue #16893: Update Idle doc chapter to match current Idle and add new
+ information.
+
+- Issue #3068: Add Idle extension configuration dialog to Options menu.
+ Changes are written to HOME/.idlerc/config-extensions.cfg.
+ Original patch by Tal Einat.
+
+- Issue #16233: A module browser (File : Class Browser, Alt+C) requires an
+ editor window with a filename. When Class Browser is requested otherwise,
+ from a shell, output window, or 'Untitled' editor, Idle no longer displays
+ an error box. It now pops up an Open Module box (Alt+M). If a valid name
+ is entered and a module is opened, a corresponding browser is also opened.
+
+- Issue #4832: Save As to type Python files automatically adds .py to the
+ name you enter (even if your system does not display it). Some systems
+ automatically add .txt when type is Text files.
+
+- Issue #21986: Code objects are not normally pickled by the pickle module.
+ To match this, they are no longer pickled when running under Idle.
+
+- Issue #23180: Rename IDLE "Windows" menu item to "Window".
+ Patch by Al Sweigart.
+
+Tests
+-----
+
+- Issue #23392: Added tests for marshal C API that works with FILE*.
+
+- Issue #18982: Add tests for CLI of the calendar module.
+
+- Issue #19548: Added some additional checks to test_codecs to ensure that
+ statements in the updated documentation remain accurate. Patch by Martin
+ Panter.
+
+- Issue #22838: All test_re tests now work with unittest test discovery.
+
+- Issue #22173: Update lib2to3 tests to use unittest test discovery.
+
+- Issue #16000: Convert test_curses to use unittest.
+
+- Issue #21456: Skip two tests in test_urllib2net.py if _ssl module not
+ present. Patch by Remi Pointel.
+
+- Issue #22770: Prevent some Tk segfaults on OS X when running gui tests.
+
+- Issue #23211: Workaround test_logging failure on some OS X 10.6 systems.
+
+- Issue #23345: Prevent test_ssl failures with large OpenSSL patch level
+ values (like 0.9.8zc).
+
+- Issue #22289: Prevent test_urllib2net failures due to ftp connection timeout.
+
+Build
+-----
+
+- Issue #15506: Use standard PKG_PROG_PKG_CONFIG autoconf macro in the configure
+ script.
+
+- Issue #22935: Allow the ssl module to be compiled if openssl doesn't support
+ SSL 3.
+
+- Issue #16537: Check whether self.extensions is empty in setup.py. Patch by
+ Jonathan Hosmer.
+
+- Issue #18096: Fix library order returned by python-config.
+
+- Issue #17219: Add library build dir for Python extension cross-builds.
+
+- Issue #17128: Use private version of OpenSSL for 3.4.3 OS X 10.5+ installer.
+
+C API
+-----
+
+- Issue #22079: PyType_Ready() now checks that statically allocated type has
+ no dynamically allocated bases.
+
+Documentation
+-------------
+
+- Issue #19548: Update the codecs module documentation to better cover the
+ distinction between text encodings and other codecs, together with other
+ clarifications. Patch by Martin Panter.
+
+- Issue #22914: Update the Python 2/3 porting HOWTO to describe a more automated
+ approach.
+
+- Issue #21514: The documentation of the json module now refers to new JSON RFC
+ 7159 instead of obsoleted RFC 4627.
+
+Tools/Demos
+-----------
+
+- Issue #22314: pydoc now works when the LINES environment variable is set.
+
+Windows
+-------
+
+- Issue #17896: The Windows build scripts now expect external library sources
+ to be in ``PCbuild\..\externals`` rather than ``PCbuild\..\..``.
+
+- Issue #17717: The Windows build scripts now use a copy of NASM pulled from
+ svn.python.org to build OpenSSL.
+
+- Issue #22644: The bundled version of OpenSSL has been updated to 1.0.1j.
+
+
+What's New in Python 3.4.2?
+===========================
+
+Release date: 2014-10-06
+
+Library
+-------
+
+- Issue #10510: distutils register and upload methods now use HTML standards
+ compliant CRLF line endings.
+
+- Issue #9850: Fixed macpath.join() for empty first component. Patch by
+ Oleg Oshmyan.
+
+- Issue #22427: TemporaryDirectory no longer attempts to clean up twice when
+ used in the with statement in generator.
+
+- Issue #20912: Now directories added to ZIP file have correct Unix and MS-DOS
+ directory attributes.
+
+- Issue #21866: ZipFile.close() no longer writes ZIP64 central directory
+ records if allowZip64 is false.
+
+- Issue #22415: Fixed debugging output of the GROUPREF_EXISTS opcode in the re
+ module. Removed trailing spaces in debugging output.
+
+- Issue #22423: Unhandled exception in thread no longer causes unhandled
+ AttributeError when sys.stderr is None.
+
+- Issue #21332: Ensure that ``bufsize=1`` in subprocess.Popen() selects
+ line buffering, rather than block buffering. Patch by Akira Li.
+
+
+What's New in Python 3.4.2rc1?
+==============================
+
+Release date: 2014-09-22
+
+Core and Builtins
+-----------------
+
+- Issue #22258: Fix the the internal function set_inheritable() on Illumos.
+ This platform exposes the function ``ioctl(FIOCLEX)``, but calling it fails
+ with errno is ENOTTY: "Inappropriate ioctl for device". set_inheritable()
+ now falls back to the slower ``fcntl()`` (``F_GETFD`` and then ``F_SETFD``).
+
+- Issue #21669: With the aid of heuristics in SyntaxError.__init__, the
+ parser now attempts to generate more meaningful (or at least more search
+ engine friendly) error messages when "exec" and "print" are used as
+ statements.
+
+- Issue #21642: In the conditional if-else expression, allow an integer written
+ with no space between itself and the ``else`` keyword (e.g. ``True if 42else
+ False``) to be valid syntax.
+
+- Issue #21523: Fix over-pessimistic computation of the stack effect of
+ some opcodes in the compiler. This also fixes a quadratic compilation
+ time issue noticeable when compiling code with a large number of "and"
+ and "or" operators.
+
+Library
+-------
+
+- Issue #21091: Fix API bug: email.message.EmailMessage.is_attachment is now
+ a method. Since EmailMessage is provisional, we can change the API in a
+ maintenance release, but we use a trick to remain backward compatible with
+ 3.4.0/1.
+
+- Issue #21079: Fix email.message.EmailMessage.is_attachment to return the
+ correct result when the header has parameters as well as a value.
+
+- Issue #22247: Add NNTPError to nntplib.__all__.
+
+- Issue #4180: The warnings registries are now reset when the filters
+ are modified.
+
+- Issue #22419: Limit the length of incoming HTTP request in wsgiref server to
+ 65536 bytes and send a 414 error code for higher lengths. Patch contributed
+ by Devin Cook.
+
+- Lax cookie parsing in http.cookies could be a security issue when combined
+ with non-standard cookie handling in some Web browsers. Reported by
+ Sergey Bobrov.
+
+- Issue #22384: An exception in Tkinter callback no longer crashes the program
+ when it is run with pythonw.exe.
+
+- Issue #22168: Prevent turtle AttributeError with non-default Canvas on OS X.
+
+- Issue #21147: sqlite3 now raises an exception if the request contains a null
+ character instead of truncate it. Based on patch by Victor Stinner.
+
+- Issue #21951: Fixed a crash in Tkinter on AIX when called Tcl command with
+ empty string or tuple argument.
+
+- Issue #21951: Tkinter now most likely raises MemoryError instead of crash
+ if the memory allocation fails.
+
+- Issue #22338: Fix a crash in the json module on memory allocation failure.
+
+- Issue #22226: First letter no longer is stripped from the "status" key in
+ the result of Treeview.heading().
+
+- Issue #19524: Fixed resource leak in the HTTP connection when an invalid
+ response is received. Patch by Martin Panter.
+
+- Issue #22051: turtledemo no longer reloads examples to re-run them.
+ Initialization of variables and gui setup should be done in main(),
+ which is called each time a demo is run, but not on import.
+
+- Issue #21933: Turtledemo users can change the code font size with a menu
+ selection or control(command) '-' or '+' or control-mousewheel.
+ Original patch by Lita Cho.
+
+- Issue #21597: The separator between the turtledemo text pane and the drawing
+ canvas can now be grabbed and dragged with a mouse. The code text pane can
+ be widened to easily view or copy the full width of the text. The canvas
+ can be widened on small screens. Original patches by Jan Kanis and Lita Cho.
+
+- Issue #18132: Turtledemo buttons no longer disappear when the window is
+ shrunk. Original patches by Jan Kanis and Lita Cho.
+
+- Issue #22216: smtplib now resets its state more completely after a quit. The
+ most obvious consequence of the previous behavior was a STARTTLS failure
+ during a connect/starttls/quit/connect/starttls sequence.
+
+- Issue #22185: Fix an occasional RuntimeError in threading.Condition.wait()
+ caused by mutation of the waiters queue without holding the lock. Patch
+ by Doug Zongker.
+
+- Issue #22182: Use e.args to unpack exceptions correctly in
+ distutils.file_util.move_file. Patch by Claudiu Popa.
+
+- The webbrowser module now uses subprocess's start_new_session=True rather
+ than a potentially risky preexec_fn=os.setsid call.
+
+- Issue #22236: Fixed Tkinter images copying operations in NoDefaultRoot mode.
+
+- Issue #22191: Fix warnings.__all__.
+
+- Issue #15696: Add a __sizeof__ implementation for mmap objects on Windows.
+
+- Issue #22068: Avoided reference loops with Variables and Fonts in Tkinter.
+
+- Issue #22165: SimpleHTTPRequestHandler now supports undecodable file names.
+
+- Issue #8797: Raise HTTPError on failed Basic Authentication immediately.
+ Initial patch by Sam Bull.
+
+- Issue #20729: Restored the use of lazy iterkeys()/itervalues()/iteritems()
+ in the mailbox module.
+
+- Issue #21448: Changed FeedParser feed() to avoid O(N**2) behavior when
+ parsing long line. Original patch by Raymond Hettinger.
+
+- Issue #22184: The functools LRU Cache decorator factory now gives an earlier
+ and clearer error message when the user forgets the required parameters.
+
+- Issue #17923: glob() patterns ending with a slash no longer match non-dirs on
+ AIX. Based on patch by Delhallt.
+
+- Issue #21121: Don't force 3rd party C extensions to be built with
+ -Werror=declaration-after-statement.
+
+- Issue #21975: Fixed crash when using uninitialized sqlite3.Row (in particular
+ when unpickling pickled sqlite3.Row). sqlite3.Row is now initialized in the
+ __new__() method.
+
+- Issue #21580: Now Tkinter correctly handles bytes arguments passed to Tk.
+ In particular this allows to initialize images from binary data.
+
+- Issue #17172: Make turtledemo start as active on OS X even when run with
+ subprocess. Patch by Lita Cho.
+
+- Issue #21704: Fix build error for _multiprocessing when semaphores
+ are not available. Patch by Arfrever Frehtes Taifersar Arahesis.
+
+- Fix repr(_socket.socket) on Windows 64-bit: don't fail with OverflowError
+ on closed socket. repr(socket.socket) already works fine.
+
+- Issue #16133: The asynchat.async_chat.handle_read() method now ignores
+ BlockingIOError exceptions.
+
+- Issue #22044: Fixed premature DECREF in call_tzinfo_method.
+ Patch by Tom Flanagan.
+
+- Issue #19884: readline: Disable the meta modifier key if stdout is not
+ a terminal to not write the ANSI sequence "\033[1034h" into stdout. This
+ sequence is used on some terminal (ex: TERM=xterm-256color") to enable
+ support of 8 bit characters.
+
+- Issue #21888: plistlib's load() and loads() now work if the fmt parameter is
+ specified.
+
+- Issue #21044: tarfile.open() now handles fileobj with an integer 'name'
+ attribute. Based on patch by Antoine Pietri.
+
+- Issue #21867: Prevent turtle crash due to invalid undo buffer size.
+
+- Issue #19076: Don't pass the redundant 'file' argument to self.error().
+
+- Issue #21942: Fixed source file viewing in pydoc's server mode on Windows.
+
+- Issue #11259: asynchat.async_chat().set_terminator() now raises a ValueError
+ if the number of received bytes is negative.
+
+- Issue #12523: asynchat.async_chat.push() now raises a TypeError if it doesn't
+ get a bytes string
+
+- Issue #21707: Add missing kwonlyargcount argument to
+ ModuleFinder.replace_paths_in_code().
+
+- Issue #20639: calling Path.with_suffix('') allows removing the suffix
+ again. Patch by July Tikhonov.
+
+- Issue #21714: Disallow the construction of invalid paths using
+ Path.with_name(). Original patch by Antony Lee.
+
+- Issue #21897: Fix a crash with the f_locals attribute with closure
+ variables when frame.clear() has been called.
+
+- Issue #21151: Fixed a segfault in the winreg module when ``None`` is passed
+ as a ``REG_BINARY`` value to SetValueEx. Patch by John Ehresman.
+
+- Issue #21090: io.FileIO.readall() does not ignore I/O errors anymore. Before,
+ it ignored I/O errors if at least the first C call read() succeed.
+
+- Issue #21781: ssl.RAND_add() now supports strings longer than 2 GB.
+
+- Issue #11453: asyncore: emit a ResourceWarning when an unclosed file_wrapper
+ object is destroyed. The destructor now closes the file if needed. The
+ close() method can now be called twice: the second call does nothing.
+
+- Issue #21858: Better handling of Python exceptions in the sqlite3 module.
+
+- Issue #21476: Make sure the email.parser.BytesParser TextIOWrapper is
+ discarded after parsing, so the input file isn't unexpectedly closed.
+
+- Issue #21729: Used the "with" statement in the dbm.dumb module to ensure
+ files closing. Patch by Claudiu Popa.
+
+- Issue #21491: socketserver: Fix a race condition in child processes reaping.
+
+- Issue #21832: Require named tuple inputs to be exact strings.
+
+- Issue #19145: The times argument for itertools.repeat now handles
+ negative values the same way for keyword arguments as it does for
+ positional arguments.
+
+- Issue #21812: turtle.shapetransform did not tranform the turtle on the
+ first call. (Issue identified and fixed by Lita Cho.)
+
+- Issue #21635: The difflib SequenceMatcher.get_matching_blocks() method
+ cache didn't match the actual result. The former was a list of tuples
+ and the latter was a list of named tuples.
+
+- Issue #21722: The distutils "upload" command now exits with a non-zero
+ return code when uploading fails. Patch by Martin Dengler.
+
+- Issue #21723: asyncio.Queue: support any type of number (ex: float) for the
+ maximum size. Patch written by Vajrasky Kok.
+
+- Issue #21326: Add a new is_closed() method to asyncio.BaseEventLoop.
+ run_forever() and run_until_complete() methods of asyncio.BaseEventLoop now
+ raise an exception if the event loop was closed.
+
+- Issue #21774: Fixed NameError for an incorrect variable reference in the
+ XML Minidom code for creating processing instructions.
+ (Found and fixed by Claudiu Popa.)
+
+- Issue #21766: Prevent a security hole in CGIHTTPServer by URL unquoting paths
+ before checking for a CGI script at that path.
+
+- Issue #21310: Fixed possible resource leak in failed open().
+
+- Issue #21677: Fixed chaining nonnormalized exceptions in io close() methods.
+
+- Issue #11709: Fix the pydoc.help function to not fail when sys.stdin is not a
+ valid file.
+
+- Issue #13223: Fix pydoc.writedoc so that the HTML documentation for methods
+ that use 'self' in the example code is generated correctly.
+
+- Issue #21463: In urllib.request, fix pruning of the FTP cache.
+
+- Issue #21618: The subprocess module could fail to close open fds that were
+ inherited by the calling process and already higher than POSIX resource
+ limits would otherwise allow. On systems with a functioning /proc/self/fd
+ or /dev/fd interface the max is now ignored and all fds are closed.
+
+- Issue #21552: Fixed possible integer overflow of too long string lengths in
+ the tkinter module on 64-bit platforms.
+
+- Issue #14315: The zipfile module now ignores extra fields in the central
+ directory that are too short to be parsed instead of letting a struct.unpack
+ error bubble up as this "bad data" appears in many real world zip files in
+ the wild and is ignored by other zip tools.
+
+- Issue #21402: tkinter.ttk now works when default root window is not set.
+
+- Issue #10203: sqlite3.Row now truly supports sequence protocol. In particular
+ it supports reverse() and negative indices. Original patch by Claudiu Popa.
+
+- Issue #18807: If copying (no symlinks) specified for a venv, then the python
+ interpreter aliases (python, python3) are now created by copying rather than
+ symlinking.
+
+- Issue #14710: pkgutil.get_loader() no longer raises an exception when None is
+ found in sys.modules.
+
+- Issue #14710: pkgutil.find_loader() no longer raises an exception when a
+ module doesn't exist.
+
+- Issue #21481: Argparse equality and inequality tests now return
+ NotImplemented when comparing to an unknown type.
+
+- Issue #8743: Fix interoperability between set objects and the
+ collections.Set() abstract base class.
+
+- Issue #13355: random.triangular() no longer fails with a ZeroDivisionError
+ when low equals high.
+
+- Issue #21538: The plistlib module now supports loading of binary plist files
+ when reference or offset size is not a power of two.
+
+- Issue #21801: Validate that __signature__ is None or an instance of Signature.
+
+- Issue #21923: Prevent AttributeError in distutils.sysconfig.customize_compiler
+ due to possible uninitialized _config_vars.
+
+- Issue #21323: Fix http.server to again handle scripts in CGI subdirectories,
+ broken by the fix for security issue #19435. Patch by Zach Byrne.
+
+Extension Modules
+-----------------
+
+- Issue #22176: Update the ctypes module's libffi to v3.1. This release
+ adds support for the Linux AArch64 and POWERPC ELF ABIv2 little endian
+ architectures.
+
+Build
+-----
+
+- Issue #15661: python.org OS X installers are now distributed as signed
+ installer packages compatible with the Gatekeeper security feature.
+
+- Issue #21958: Define HAVE_ROUND when building with Visual Studio 2013 and
+ above. Patch by Zachary Turner.
+
+- Issue #15759: "make suspicious", "make linkcheck" and "make doctest" in Doc/
+ now display special message when and only when there are failures.
+
+- Issue #17095: Fix Modules/Setup *shared* support.
+
+- Issue #21811: Anticipated fixes to support OS X versions > 10.9.
+
+- Issue #21166: Prevent possible segfaults and other random failures of
+ python --generate-posix-vars in pybuilddir.txt build target.
+
+IDLE
+----
+
+- Issue #17390: Adjust Editor window title; remove 'Python',
+ move version to end.
+
+- Issue #14105: Idle debugger breakpoints no longer disappear
+ when inseting or deleting lines.
+
+- Issue #17172: Turtledemo can now be run from Idle.
+ Currently, the entry is on the Help menu, but it may move to Run.
+ Patch by Ramchandra Apt and Lita Cho.
+
+- Issue #21765: Add support for non-ascii identifiers to HyperParser.
+
+- Issue #21940: Add unittest for WidgetRedirector. Initial patch by Saimadhav
+ Heblikar.
+
+- Issue #18592: Add unittest for SearchDialogBase. Patch by Phil Webster.
+
+- Issue #21694: Add unittest for ParenMatch. Patch by Saimadhav Heblikar.
+
+- Issue #21686: add unittest for HyperParser. Original patch by Saimadhav
+ Heblikar.
+
+- Issue #12387: Add missing upper(lower)case versions of default Windows key
+ bindings for Idle so Caps Lock does not disable them. Patch by Roger Serwy.
+
+- Issue #21695: Closing a Find-in-files output window while the search is
+ still in progress no longer closes Idle.
+
+- Issue #18910: Add unittest for textView. Patch by Phil Webster.
+
+- Issue #18292: Add unittest for AutoExpand. Patch by Saihadhav Heblikar.
+
+- Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster.
+
+Tests
+-----
+
+- Issue #22166: With the assistance of a new internal _codecs._forget_codec
+ helping function, test_codecs now clears the encoding caches to avoid the
+ appearance of a reference leak
+
+- Issue #22236: Tkinter tests now don't reuse default root window. New root
+ window is created for every test class.
+
+- Issue #20746: Fix test_pdb to run in refleak mode (-R). Patch by Xavier
+ de Gaye.
+
+- Issue #22060: test_ctypes has been somewhat cleaned up and simplified; it
+ now uses unittest test discovery to find its tests.
+
+- Issue #22104: regrtest.py no longer holds a reference to the suite of tests
+ loaded from test modules that don't define test_main().
+
+- Issue #22002: Added ``load_package_tests`` function to test.support and used
+ it to implement/augment test discovery in test_asyncio, test_email,
+ test_importlib, test_json, and test_tools.
+
+- Issue #21976: Fix test_ssl to accept LibreSSL version strings. Thanks
+ to William Orr.
+
+- Issue #21918: Converted test_tools from a module to a package containing
+ separate test files for each tested script.
+
+- Issue #20155: Changed HTTP method names in failing tests in test_httpservers
+ so that packet filtering software (specifically Windows Base Filtering Engine)
+ does not interfere with the transaction semantics expected by the tests.
+
+- Issue #19493: Refactored the ctypes test package to skip tests explicitly
+ rather than silently.
+
+- Issue #18492: All resources are now allowed when tests are not run by
+ regrtest.py.
+
+- Issue #21634: Fix pystone micro-benchmark: use floor division instead of true
+ division to benchmark integers instead of floating point numbers. Set pystone
+ version to 1.2. Patch written by Lennart Regebro.
+
+- Issue #21605: Added tests for Tkinter images.
+
+- Issue #21493: Added test for ntpath.expanduser(). Original patch by
+ Claudiu Popa.
+
+- Issue #19925: Added tests for the spwd module. Original patch by Vajrasky Kok.
+
+- Issue #21522: Added Tkinter tests for Listbox.itemconfigure(),
+ PanedWindow.paneconfigure(), and Menu.entryconfigure().
+
+Documentation
+-------------
+
+- Issue #21777: The binary sequence methods on bytes and bytearray are now
+ documented explicitly, rather than assuming users will be able to derive
+ the expected behaviour from the behaviour of the corresponding str methods.
+
+Windows
+-------
+
+- Issue #21671, #22160, CVE-2014-0224: The bundled version of OpenSSL has been
+ updated to 1.0.1i.
+
+- Issue #10747: Use versioned labels in the Windows start menu.
+ Patch by Olive Kilburn.
+
+Tools/Demos
+-----------
+
+- Issue #22201: Command-line interface of the zipfile module now correctly
+ extracts ZIP files with directory entries. Patch by Ryan Wilson.
+
+- Issue #21906: Make Tools/scripts/md5sum.py work in Python 3.
+ Patch by Zachary Ware.
+
+- Issue #21629: Fix Argument Clinic's "--converters" feature.
+
+
+What's New in Python 3.4.1?
+===========================
+
+Release date: 2014-05-18
+
+Core and Builtins
+-----------------
+
+- Issue #21418: Fix a crash in the builtin function super() when called without
+ argument and without current frame (ex: embedded Python).
+
+- Issue #21425: Fix flushing of standard streams in the interactive
+ interpreter.
+
+- Issue #21435: In rare cases, when running finalizers on objects in cyclic
+ trash a bad pointer dereference could occur due to a subtle flaw in
+ internal iteration logic.
+
+Library
+-------
+
+- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial
+ shape.
+
+- Issue #20998: Fixed re.fullmatch() of repeated single character pattern
+ with ignore case. Original patch by Matthew Barnett.
+
+- Issue #21075: fileinput.FileInput now reads bytes from standard stream if
+ binary mode is specified. Patch by Sam Kimbrel.
+
+- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a
+ flush() on the underlying binary stream. Patch by akira.
+
+- Issue #21470: Do a better job seeding the random number generator by
+ using enough bytes to span the full state space of the Mersenne Twister.
+
+- Issue #21398: Fix an unicode error in the pydoc pager when the documentation
+ contains characters not encodable to the stdout encoding.
+
+Tests
+-----
+
+- Issue #17756: Fix test_code test when run from the installed location.
+
+- Issue #17752: Fix distutils tests when run from the installed location.
+
+IDLE
+----
+
+- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin
+ consolidating and improving human-validated tests of Idle. Change other files
+ as needed to work with htest. Running the module as __main__ runs all tests.
+
+
+What's New in Python 3.4.1rc1?
+==============================
+
+Release date: 2014-05-05
+
+Core and Builtins
+-----------------
+
+- Issue #21274: Define PATH_MAX for GNU/Hurd in Python/pythonrun.c.
+
+- Issue #21209: Fix sending tuples to custom generator objects with the yield
+ from syntax.
+
+- Issue #21134: Fix segfault when str is called on an uninitialized
+ UnicodeEncodeError, UnicodeDecodeError, or UnicodeTranslateError object.
+
+- Issue #19537: Fix PyUnicode_DATA() alignment under m68k. Patch by
+ Andreas Schwab.
+
+- Issue #20929: Add a type cast to avoid shifting a negative number.
+
+- Issue #20731: Properly position in source code files even if they
+ are opened in text mode. Patch by Serhiy Storchaka.
+
+- Issue #20637: Key-sharing now also works for instance dictionaries of
+ subclasses. Patch by Peter Ingebretson.
+
+- Issue #12546: Allow ``\x00`` to be used as a fill character when using str, int,
+ float, and complex __format__ methods.
+
+- Issue #13598: Modify string.Formatter to support auto-numbering of
+ replacement fields. It now matches the behavior of str.format() in
+ this regard. Patches by Phil Elson and Ramchandra Apte.
+
+Library
+-------
+
+- Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0.
+ In porting to Argument Clinic, the first two arguments were reversed.
+
+- Issue #21469: Reduced the risk of false positives in robotparser by
+ checking to make sure that robots.txt has been read or does not exist
+ prior to returning True in can_fetch().
+
+- Issue #21321: itertools.islice() now releases the reference to the source
+ iterator when the slice is exhausted. Patch by Anton Afanasyev.
+
+- Issue #9815: assertRaises now tries to clear references to local variables
+ in the exception's traceback.
+
+- Issue #13204: Calling sys.flags.__new__ would crash the interpreter,
+ now it raises a TypeError.
+
+- Issue #19385: Make operations on a closed dbm.dumb database always raise the
+ same exception.
+
+- Issue #21207: Detect when the os.urandom cached fd has been closed or
+ replaced, and open it anew.
+
+- Issue #21291: subprocess's Popen.wait() is now thread safe so that
+ multiple threads may be calling wait() or poll() on a Popen instance
+ at the same time without losing the Popen.returncode value.
+
+- Issue #21127: Path objects can now be instantiated from str subclass
+ instances (such as ``numpy.str_``).
+
+- Issue #15002: urllib.response object to use _TemporaryFileWrapper (and
+ _TemporaryFileCloser) facility. Provides a better way to handle file
+ descriptor close. Patch contributed by Christian Theune.
+
+- Issue #12220: mindom now raises a custom ValueError indicating it doesn't
+ support spaces in URIs instead of letting a 'split' ValueError bubble up.
+
+- Issue #21239: patch.stopall() didn't work deterministically when the same
+ name was patched more than once.
+
+- Issue #21222: Passing name keyword argument to mock.create_autospec now
+ works.
+
+- Issue #21197: Add lib64 -> lib symlink in venvs on 64-bit non-OS X POSIX.
+
+- Issue #17498: Some SMTP servers disconnect after certain errors, violating
+ strict RFC conformance. Instead of losing the error code when we issue the
+ subsequent RSET, smtplib now returns the error code and defers raising the
+ SMTPServerDisconnected error until the next command is issued.
+
+- Issue #17826: setting an iterable side_effect on a mock function created by
+ create_autospec now works. Patch by Kushal Das.
+
+- Issue #7776: Fix ``Host:`` header and reconnection when using
+ http.client.HTTPConnection.set_tunnel(). Patch by Nikolaus Rath.
+
+- Issue #20968: unittest.mock.MagicMock now supports division.
+ Patch by Johannes Baiter.
+
+- Issue #21529 (CVE-2014-4616): Fix arbitrary memory access in
+ JSONDecoder.raw_decode with a negative second parameter. Bug reported by Guido
+ Vranken.
+
+- Issue #21169: getpass now handles non-ascii characters that the
+ input stream encoding cannot encode by re-encoding using the
+ replace error handler.
+
+- Issue #21171: Fixed undocumented filter API of the rot13 codec.
+ Patch by Berker Peksag.
+
+- Issue #21172: isinstance check relaxed from dict to collections.Mapping.
+
+- Issue #21155: asyncio.EventLoop.create_unix_server() now raises a ValueError
+ if path and sock are specified at the same time.
+
+- Issue #21149: Improved thread-safety in logging cleanup during interpreter
+ shutdown. Thanks to Devin Jeanpierre for the patch.
+
+- Issue #20145: `assertRaisesRegex` and `assertWarnsRegex` now raise a
+ TypeError if the second argument is not a string or compiled regex.
+
+- Issue #21058: Fix a leak of file descriptor in
+ :func:`tempfile.NamedTemporaryFile`, close the file descriptor if
+ :func:`io.open` fails
+
+- Issue #21200: Return None from pkgutil.get_loader() when __spec__ is missing.
+
+- Issue #21013: Enhance ssl.create_default_context() when used for server side
+ sockets to provide better security by default.
+
+- Issue #20633: Replace relative import by absolute import.
+
+- Issue #20980: Stop wrapping exception when using ThreadPool.
+
+- Issue #21082: In os.makedirs, do not set the process-wide umask. Note this
+ changes behavior of makedirs when exist_ok=True.
+
+- Issue #20990: Fix issues found by pyflakes for multiprocessing.
+
+- Issue #21015: SSL contexts will now automatically select an elliptic
+ curve for ECDH key exchange on OpenSSL 1.0.2 and later, and otherwise
+ default to "prime256v1".
+
+- Issue #20995: Enhance default ciphers used by the ssl module to enable
+ better security an prioritize perfect forward secrecy.
+
+- Issue #20884: Don't assume that __file__ is defined on importlib.__init__.
+
+- Issue #21499: Ignore __builtins__ in several test_importlib.test_api tests.
+
+- Issue #20879: Delay the initialization of encoding and decoding tables for
+ base32, ascii85 and base85 codecs in the base64 module, and delay the
+ initialization of the unquote_to_bytes() table of the urllib.parse module, to
+ not waste memory if these modules are not used.
+
+- Issue #19157: Include the broadcast address in the usuable hosts for IPv6
+ in ipaddress.
+
+- Issue #11599: When an external command (e.g. compiler) fails, distutils now
+ prints out the whole command line (instead of just the command name) if the
+ environment variable DISTUTILS_DEBUG is set.
+
+- Issue #4931: distutils should not produce unhelpful "error: None" messages
+ anymore. distutils.util.grok_environment_error is kept but doc-deprecated.
+
+- Issue #20875: Prevent possible gzip "'read' is not defined" NameError.
+ Patch by Claudiu Popa.
+
+- Issue #11558: ``email.message.Message.attach`` now returns a more
+ useful error message if ``attach`` is called on a message for which
+ ``is_multipart`` is False.
+
+- Issue #20283: RE pattern methods now accept the string keyword parameters
+ as documented. The pattern and source keyword parameters are left as
+ deprecated aliases.
+
+- Issue #20778: Fix modulefinder to work with bytecode-only modules.
+
+- Issue #20791: copy.copy() now doesn't make a copy when the input is
+ a bytes object. Initial patch by Peter Otten.
+
+- Issue #19748: On AIX, time.mktime() now raises an OverflowError for year
+ outsize range [1902; 2037].
+
+- Issue #20816: Fix inspect.getcallargs() to raise correct TypeError for
+ missing keyword-only arguments. Patch by Jeremiah Lowin.
+
+- Issue #20817: Fix inspect.getcallargs() to fail correctly if more
+ than 3 arguments are missing. Patch by Jeremiah Lowin.
+
+- Issue #6676: Ensure a meaningful exception is raised when attempting
+ to parse more than one XML document per pyexpat xmlparser instance.
+ (Original patches by Hirokazu Yamamoto and Amaury Forgeot d'Arc, with
+ suggested wording by David Gutteridge)
+
+- Issue #21117: Fix inspect.signature to better support functools.partial.
+ Due to the specifics of functools.partial implementation,
+ positional-or-keyword arguments passed as keyword arguments become
+ keyword-only.
+
+- Issue #21209: Fix asyncio.tasks.CoroWrapper to workaround a bug
+ in yield-from implementation in CPythons prior to 3.4.1.
+
+- asyncio: Add gi_{frame,running,code} properties to CoroWrapper
+ (upstream issue #163).
+
+- Issue #21311: Avoid exception in _osx_support with non-standard compiler
+ configurations. Patch by John Szakmeister.
+
+- Issue #11571: Ensure that the turtle window becomes the topmost window
+ when launched on OS X.
+
+Extension Modules
+-----------------
+
+- Issue #21276: posixmodule: Don't define USE_XATTRS on KFreeBSD and the Hurd.
+
+- Issue #21226: Set up modules properly in PyImport_ExecCodeModuleObject
+ (and friends).
+
+IDLE
+----
+
+- Issue #21139: Change default paragraph width to 72, the PEP 8 recommendation.
+
+- Issue #21284: Paragraph reformat test passes after user changes reformat width.
+
+- Issue #17654: Ensure IDLE menus are customized properly on OS X for
+ non-framework builds and for all variants of Tk.
+
+Build
+-----
+
+- The Windows build now includes OpenSSL 1.0.1g
+
+- Issue #21285: Refactor and fix curses configure check to always search
+ in a ncursesw directory.
+
+- Issue #15234: For BerkelyDB and Sqlite, only add the found library and
+ include directories if they aren't already being searched. This avoids
+ an explicit runtime library dependency.
+
+- Issue #20644: OS X installer build support for documentation build changes
+ in 3.4.1: assume externally supplied sphinx-build is available in /usr/bin.
+
+C API
+-----
+
+- Issue #20942: PyImport_ImportFrozenModuleObject() no longer sets __file__ to
+ match what importlib does; this affects _frozen_importlib as well as any
+ module loaded using imp.init_frozen().
+
+Documentation
+-------------
+
+- Issue #17386: Expanded functionality of the ``Doc/make.bat`` script to make
+ it much more comparable to ``Doc/Makefile``.
+
+- Issue #21043: Remove the recommendation for specific CA organizations and to
+ mention the ability to load the OS certificates.
+
+- Issue #20765: Add missing documentation for PurePath.with_name() and
+ PurePath.with_suffix().
+
+- Issue #19407: New package installation and distribution guides based on
+ the Python Packaging Authority tools. Existing guides have been retained
+ as legacy links from the distutils docs, as they still contain some
+ required reference material for tool developers that isn't recorded
+ anywhere else.
+
+- Issue #19697: Document cases where __main__.__spec__ is None.
+
+Tests
+-----
+
+- Issue #18604: Consolidated checks for GUI availability. All platforms now
+ at least check whether Tk can be instantiated when the GUI resource is
+ requested.
+
+- Issue #21275: Fix a socket test on KFreeBSD.
+
+- Issue #21223: Pass test_site/test_startup_imports when some of the extensions
+ are built as builtins.
+
+- Issue #20635: Added tests for Tk geometry managers.
+
+- Add test case for freeze.
+
+- Issue #20743: Fix a reference leak in test_tcl.
+
+- Issue #21097: Move test_namespace_pkgs into test_importlib.
+
+- Issue #20939: Avoid various network test failures due to new
+ redirect of http://www.python.org/ to https://www.python.org:
+ use http://www.example.com instead.
+
+- Issue #20668: asyncio tests no longer rely on tests.txt file.
+ (Patch by Vajrasky Kok)
+
+- Issue #21093: Prevent failures of ctypes test_macholib on OS X if a
+ copy of libz exists in $HOME/lib or /usr/local/lib.
+
+Tools/Demos
+-----------
+
+- Add support for ``yield from`` to 2to3.
+
+- Add support for the PEP 465 matrix multiplication operator to 2to3.
+
+- Issue #16047: Fix module exception list and __file__ handling in freeze.
+ Patch by Meador Inge.
+
+- Issue #11824: Consider ABI tags in freeze. Patch by Meador Inge.
+
+- Issue #20535: PYTHONWARNING no longer affects the run_tests.py script.
+ Patch by Arfrever Frehtes Taifersar Arahesis.
+
What's New in Python 3.4.0?
===========================
@@ -154,7 +2339,7 @@
- Issue #20588: Make Python-ast.c C89 compliant.
-- Issue #20437: Fixed 22 potential bugs when deleting object references.
+- Issue #20437: Fixed 22 potential bugs when deleting objects references.
- Issue #20500: Displaying an exception at interpreter shutdown no longer
risks triggering an assertion failure in PyObject_Str.
@@ -1059,8 +3244,8 @@
when the creation of the replacement exception won't lose any information.
- Issue #19466: Clear the frames of daemon threads earlier during the
- Python shutdown to call object destructors. So "unclosed file" resource
- warnings are now correctly emitted for daemon threads.
+ Python shutdown to call objects destructors. So "unclosed file" resource
+ warnings are now corretly emitted for daemon threads.
- Issue #19514: Deduplicate some _Py_IDENTIFIER declarations.
Patch by Andrei Dorian Duma.
@@ -1077,9 +3262,6 @@
- Issue #19369: Optimized the usage of __length_hint__().
-- Issue #28026: Raise ImportError when exec_module() exists but
- create_module() is missing.
-
- Issue #18603: Ensure that PyOS_mystricmp and PyOS_mystrnicmp are in the
Python executable and not removed by the linker's optimizer.
@@ -1204,8 +3386,8 @@
- Issue #19448: Add private API to SSL module to lookup ASN.1 objects by OID,
NID, short name and long name.
-- Issue #19282: dbm.open now supports the context management protocol.
- (Initial patch by Claudiu Popa)
+- Issue #19282: dbm.open now supports the context management protocol. (Inital
+ patch by Claudiu Popa)
- Issue #8311: Added support for writing any bytes-like objects in the aifc,
sunau, and wave modules.
@@ -1299,7 +3481,7 @@
- Issue #19227: Remove pthread_atfork() handler. The handler was added to
solve #18747 but has caused issues.
-- Issue #19420: Fix reference leak in module initialization code of
+- Issue #19420: Fix reference leak in module initalization code of
_hashopenssl.c
- Issue #19329: Optimized compiling charsets in regular expressions.
@@ -1967,9 +4149,6 @@
- Issue #16809: Tkinter's splitlist() and split() methods now accept Tcl_Obj
argument.
-- Issue #17211: Yield a namedtuple in pkgutil.
- Patch by Ramchandra Apte.
-
- Issue #18324: set_payload now correctly handles binary input. This also
supersedes the previous fixes for #14360, #1717, and #16564.
@@ -1979,8 +4158,6 @@
- Issue #17119: Fixed integer overflows when processing large strings and tuples
in the tkinter module.
-- Issue #15352: Rebuild frozen modules when marshal.c is changed.
-
- Issue #18747: Re-seed OpenSSL's pseudo-random number generator after fork.
A pthread_atfork() parent handler is used to seed the PRNG with pid, time
and some stack data.
@@ -1998,7 +4175,7 @@
- Issue #18709: Fix CVE-2013-4238. The SSL module now handles NULL bytes
inside subjectAltName correctly. Formerly the module has used OpenSSL's
- GENERAL_NAME_print() function to get the string representation of ASN.1
+ GENERAL_NAME_print() function to get the string represention of ASN.1
strings for ``rfc822Name`` (email), ``dNSName`` (DNS) and
``uniformResourceIdentifier`` (URI).
@@ -2091,7 +4268,7 @@
Documentation
-------------
-- Issue #18743: Fix references to non-existent "StringIO" module.
+- Issue #18743: Fix references to non-existant "StringIO" module.
- Issue #18783: Removed existing mentions of Python long type in docstrings,
error messages and comments.
@@ -2188,9 +4365,6 @@
- Issue #18137: Detect integer overflow on precision in float.__format__()
and complex.__format__().
-- Issue #15767: Introduce ModuleNotFoundError which is raised when a module
- could not be found.
-
- Issue #18183: Fix various unicode operations on strings with large unicode
codepoints.
@@ -2321,7 +4495,7 @@
- Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.)
in the interpreter.
-- Issue #17137: When a Unicode string is resized, the internal wide character
+- Issue #17137: When an Unicode string is resized, the internal wide character
string (wstr) format is now cleared.
- Issue #17043: The unicode-internal decoder no longer read past the end of
@@ -2658,7 +4832,7 @@
on Windows and adds no value over and above python -m pydoc ...
- Issue #18155: The csv module now correctly handles csv files that use
- a delimiter character that has a special meaning in regexes, instead of
+ a delimter character that has a special meaning in regexes, instead of
throwing an exception.
- Issue #14360: encode_quopri can now be successfully used as an encoder
@@ -2848,7 +5022,7 @@
Thomas Barlow.
- Issue #17358: Modules loaded by imp.load_source() and load_compiled() (and by
- extension load_module()) now have a better chance of working when reloaded.
+ extention load_module()) now have a better chance of working when reloaded.
- Issue #17804: New function ``struct.iter_unpack`` allows for streaming
struct unpacking.
@@ -2961,8 +5135,8 @@
error message has been removed. Patch by Ram Rachum.
- Issue #18080: When building a C extension module on OS X, if the compiler
- is overridden with the CC environment variable, use the new compiler as
- the default for linking if LDSHARED is not also overridden. This restores
+ is overriden with the CC environment variable, use the new compiler as
+ the default for linking if LDSHARED is not also overriden. This restores
Distutils behavior introduced in 3.2.3 and inadvertently dropped in 3.3.0.
- Issue #18113: Fixed a refcount leak in the curses.panel module's
@@ -3033,7 +5207,7 @@
specifically addresses a stack misalignment issue on x86 and issues on
some more recent platforms.
-- Issue #8862: Fixed curses cleanup when getkey is interrupted by a signal.
+- Issue #8862: Fixed curses cleanup when getkey is interrputed by a signal.
- Issue #17443: imaplib.IMAP4_stream was using the default unbuffered IO
in subprocess, but the imap code assumes buffered IO. In Python2 this
@@ -3169,7 +5343,7 @@
symlinks on POSIX platforms.
- Issue #13773: sqlite3.connect() gets a new `uri` parameter to pass the
- filename as a URI, allowing custom options to be passed.
+ filename as a URI, allowing to pass custom options.
- Issue #16564: Fixed regression relative to Python2 in the operation of
email.encoders.encode_noop when used with binary data.
@@ -3208,7 +5382,7 @@
internal XML encoding is not UTF-8 or US-ASCII. It also now accepts bytes
and strings larger than 2 GiB.
-- Issue #6083: Fix multiple segmentation faults occurred when PyArg_ParseTuple
+- Issue #6083: Fix multiple segmentation faults occured when PyArg_ParseTuple
parses nested mutating sequence.
- Issue #5289: Fix ctypes.util.find_library on Solaris.
@@ -3430,7 +5604,7 @@
- Issue #7719: Make distutils ignore ``.nfs*`` files instead of choking later
on. Initial patch by SilentGhost and Jeff Ramnani.
-- Issue #13120: Allow calling pdb.set_trace() from thread.
+- Issue #13120: Allow to call pdb.set_trace() from thread.
Patch by Ilya Sandler.
- Issue #16585: Make CJK encoders support error handlers that return bytes per
@@ -3531,7 +5705,7 @@
- Issue #16284: Prevent keeping unnecessary references to worker functions
in concurrent.futures ThreadPoolExecutor.
-- Issue #16230: Fix a crash in select.select() when one of the lists changes
+- Issue #16230: Fix a crash in select.select() when one the lists changes
size while iterated on. Patch by Serhiy Storchaka.
- Issue #16228: Fix a crash in the json module where a list changes size
@@ -3560,7 +5734,7 @@
- Issue #16245: Fix the value of a few entities in html.entities.html5.
-- Issue #16301: Fix the localhost verification in urllib/request.py for ``file://``
+- Issue #16301: Fix the localhost verification in urllib/request.py for file://
urls.
- Issue #16250: Fix the invocations of URLError which had misplaced filename
@@ -3591,7 +5765,7 @@
- Issue #16176: Properly identify Windows 8 via platform.platform()
- Issue #16088: BaseHTTPRequestHandler's send_error method includes a
- Content-Length header in its response now. Patch by Antoine Pitrou.
+ Content-Length header in it's response now. Patch by Antoine Pitrou.
- Issue #16114: The subprocess module no longer provides a misleading error
message stating that args[0] did not exist when either the cwd or executable
@@ -4111,10 +6285,6 @@
PyImport_ExecCodeModuleWithPathnames() (and thus by extension
PyImport_ExecCodeModule() and PyImport_ExecCodeModuleEx()).
-- Issue #15767: Added PyErr_SetImportErrorSubclass().
-
-- PyErr_SetImportError() now sets TypeError when its msg argument is set.
-
- Issue #9369: The types of `char*` arguments of PyObject_CallFunction() and
PyObject_CallMethod() now changed to `const char*`. Based on patches by
Jörg Müller and Lars Buitinck.
@@ -4142,10 +6312,6 @@
Documentation
-------------
-- Issue #23006: Improve the documentation and indexing of dict.__missing__.
- Add an entry in the language datamodel special methods section.
- Revise and index its discussion in the stdtypes mapping/dict section.
-
- Issue #17701: Improving strftime documentation.
- Issue #18440: Clarify that `hash()` can truncate the value returned from an
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -4003,6 +4003,1456 @@
instead of TypeError on programmical error in parsing format string.
+What's New in Python 3.5.3?
+===========================
+
+Release date: 2017-01-17
+
+There were no code changes between 3.5.3rc1 and 3.5.3 final.
+
+
+What's New in Python 3.5.3 release candidate 1?
+===============================================
+
+Release date: 2017-01-02
+
+Core and Builtins
+-----------------
+
+- Issue #29073: bytearray formatting no longer truncates on first null byte.
+
+- Issue #28932: Do not include <sys/random.h> if it does not exist.
+
+- Issue #28147: Fix a memory leak in split-table dictionaries: setattr()
+ must not convert combined table into split table.
+
+- Issue #25677: Correct the positioning of the syntax error caret for
+ indented blocks. Based on patch by Michael Layzell.
+
+- Issue #29000: Fixed bytes formatting of octals with zero padding in alternate
+ form.
+
+- Issue #28512: Fixed setting the offset attribute of SyntaxError by
+ PyErr_SyntaxLocationEx() and PyErr_SyntaxLocationObject().
+
+- Issue #28991: functools.lru_cache() was susceptible to an obscure reentrancy
+ bug caused by a monkey-patched len() function.
+
+- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
+ when decode astral characters. Patch by Xiang Zhang.
+
+- Issue #19398: Extra slash no longer added to sys.path components in case of
+ empty compile-time PYTHONPATH components.
+
+- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
+ build.
+
+- Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception
+ loss in PyTraceBack_Here().
+
+- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
+ Patch by Xiang Zhang.
+
+- Issue #28376: The type of long range iterator is now registered as Iterator.
+ Patch by Oren Milman.
+
+- Issue #28376: The constructor of range_iterator now checks that step is not 0.
+ Patch by Oren Milman.
+
+- Issue #26906: Resolving special methods of uninitialized type now causes
+ implicit initialization of the type instead of a fail.
+
+- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
+ Original patch by Niklas Koep.
+
+- Issue #24098: Fixed possible crash when AST is changed in process of
+ compiling it.
+
+- Issue #28350: String constants with null character no longer interned.
+
+- Issue #26617: Fix crash when GC runs during weakref callbacks.
+
+- Issue #27942: String constants now interned recursively in tuples and frozensets.
+
+- Issue #21578: Fixed misleading error message when ImportError called with
+ invalid keyword args.
+
+- Issue #28203: Fix incorrect type in error message from
+ ``complex(1.0, {2:3})``. Patch by Soumya Sharma.
+
+- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
+ syscall fails with EPERM, for example when blocked by SECCOMP.
+
+- Issue #28131: Fix a regression in zipimport's compile_source(). zipimport
+ should use the same optimization level as the interpreter.
+
+- Issue #25221: Fix corrupted result from PyLong_FromLong(0) when
+ Python is compiled with NSMALLPOSINTS = 0.
+
+- Issue #25758: Prevents zipimport from unnecessarily encoding a filename
+ (patch by Eryk Sun)
+
+- Issue #28189: dictitems_contains no longer swallows compare errors.
+ (Patch by Xiang Zhang)
+
+- Issue #27812: Properly clear out a generator's frame's backreference to the
+ generator to prevent crashes in frame.clear().
+
+- Issue #27811: Fix a crash when a coroutine that has not been awaited is
+ finalized with warnings-as-errors enabled.
+
+- Issue #27587: Fix another issue found by PVS-Studio: Null pointer check
+ after use of 'def' in _PyState_AddModule().
+ Initial patch by Christian Heimes.
+
+- Issue #26020: set literal evaluation order did not match documented behaviour.
+
+- Issue #27782: Multi-phase extension module import now correctly allows the
+ ``m_methods`` field to be used to add module level functions to instances
+ of non-module types returned from ``Py_create_mod``. Patch by Xiang Zhang.
+
+- Issue #27936: The round() function accepted a second None argument
+ for some types but not for others. Fixed the inconsistency by
+ accepting None for all numeric types.
+
+- Issue #27487: Warn if a submodule argument to "python -m" or
+ runpy.run_module() is found in sys.modules after parent packages are
+ imported, but before the submodule is executed.
+
+- Issue #27558: Fix a SystemError in the implementation of "raise" statement.
+ In a brand new thread, raise a RuntimeError since there is no active
+ exception to reraise. Patch written by Xiang Zhang.
+
+- Issue #27419: Standard __import__() no longer look up "__import__" in globals
+ or builtins for importing submodules or "from import". Fixed handling an
+ error of non-string package name.
+
+- Issue #27083: Respect the PYTHONCASEOK environment variable under Windows.
+
+- Issue #27514: Make having too many statically nested blocks a SyntaxError
+ instead of SystemError.
+
+- Issue #27473: Fixed possible integer overflow in bytes and bytearray
+ concatenations. Patch by Xiang Zhang.
+
+- Issue #27507: Add integer overflow check in bytearray.extend(). Patch by
+ Xiang Zhang.
+
+- Issue #27581: Don't rely on wrapping for overflow check in
+ PySequence_Tuple(). Patch by Xiang Zhang.
+
+- Issue #27443: __length_hint__() of bytearray iterators no longer return a
+ negative integer for a resized bytearray.
+
+- Issue #27942: Fix memory leak in codeobject.c
+
+Library
+-------
+
+- Issue #15812: inspect.getframeinfo() now correctly shows the first line of
+ a context. Patch by Sam Breese.
+
+- Issue #29094: Offsets in a ZIP file created with extern file object and modes
+ "w" and "x" now are relative to the start of the file.
+
+- Issue #13051: Fixed recursion errors in large or resized
+ curses.textpad.Textbox. Based on patch by Tycho Andersen.
+
+- Issue #29119: Fix weakrefs in the pure python version of
+ collections.OrderedDict move_to_end() method.
+ Contributed by Andra Bogildea.
+
+- Issue #9770: curses.ascii predicates now work correctly with negative
+ integers.
+
+- Issue #28427: old keys should not remove new values from
+ WeakValueDictionary when collecting from another thread.
+
+- Issue 28923: Remove editor artifacts from Tix.py.
+
+- Issue #28871: Fixed a crash when deallocate deep ElementTree.
+
+- Issue #19542: Fix bugs in WeakValueDictionary.setdefault() and
+ WeakValueDictionary.pop() when a GC collection happens in another
+ thread.
+
+- Issue #20191: Fixed a crash in resource.prlimit() when pass a sequence that
+ doesn't own its elements as limits.
+
+- Issue #28779: multiprocessing.set_forkserver_preload() would crash the
+ forkserver process if a preloaded module instantiated some
+ multiprocessing objects such as locks.
+
+- Issue #28847: dbm.dumb now supports reading read-only files and no longer
+ writes the index file when it is not changed.
+
+- Issue #25659: In ctypes, prevent a crash calling the from_buffer() and
+ from_buffer_copy() methods on abstract classes like Array.
+
+- Issue #28732: Fix crash in os.spawnv() with no elements in args
+
+- Issue #28485: Always raise ValueError for negative
+ compileall.compile_dir(workers=...) parameter, even when multithreading is
+ unavailable.
+
+- Issue #28387: Fixed possible crash in _io.TextIOWrapper deallocator when
+ the garbage collector is invoked in other thread. Based on patch by
+ Sebastian Cufre.
+
+- Issue #27517: LZMA compressor and decompressor no longer raise exceptions if
+ given empty data twice. Patch by Benjamin Fogle.
+
+- Issue #28549: Fixed segfault in curses's addch() with ncurses6.
+
+- Issue #28449: tarfile.open() with mode "r" or "r:" now tries to open a tar
+ file with compression before trying to open it without compression. Otherwise
+ it had 50% chance failed with ignore_zeros=True.
+
+- Issue #23262: The webbrowser module now supports Firefox 36+ and derived
+ browsers. Based on patch by Oleg Broytman.
+
+- Issue #27939: Fixed bugs in tkinter.ttk.LabeledScale and tkinter.Scale caused
+ by representing the scale as float value internally in Tk. tkinter.IntVar
+ now works if float value is set to underlying Tk variable.
+
+- Issue #28255: calendar.TextCalendar().prmonth() no longer prints a space
+ at the start of new line after printing a month's calendar. Patch by
+ Xiang Zhang.
+
+- Issue #20491: The textwrap.TextWrapper class now honors non-breaking spaces.
+ Based on patch by Kaarle Ritvanen.
+
+- Issue #28353: os.fwalk() no longer fails on broken links.
+
+- Issue #25464: Fixed HList.header_exists() in tkinter.tix module by addin
+ a workaround to Tix library bug.
+
+- Issue #28488: shutil.make_archive() no longer add entry "./" to ZIP archive.
+
+- Issue #24452: Make webbrowser support Chrome on Mac OS X.
+
+- Issue #20766: Fix references leaked by pdb in the handling of SIGINT
+ handlers.
+
+- Issue #26293: Fixed writing ZIP files that starts not from the start of the
+ file. Offsets in ZIP file now are relative to the start of the archive in
+ conforming to the specification.
+
+- Issue #28321: Fixed writing non-BMP characters with binary format in plistlib.
+
+- Issue #28322: Fixed possible crashes when unpickle itertools objects from
+ incorrect pickle data. Based on patch by John Leitch.
+
+- Fix possible integer overflows and crashes in the mmap module with unusual
+ usage patterns.
+
+- Issue #1703178: Fix the ability to pass the --link-objects option to the
+ distutils build_ext command.
+
+- Issue #28253: Fixed calendar functions for extreme months: 0001-01
+ and 9999-12.
+
+ Methods itermonthdays() and itermonthdays2() are reimplemented so
+ that they don't call itermonthdates() which can cause datetime.date
+ under/overflow.
+
+- Issue #28275: Fixed possible use after free in the decompress()
+ methods of the LZMADecompressor and BZ2Decompressor classes.
+ Original patch by John Leitch.
+
+- Issue #27897: Fixed possible crash in sqlite3.Connection.create_collation()
+ if pass invalid string-like object as a name. Patch by Xiang Zhang.
+
+- Issue #18893: Fix invalid exception handling in Lib/ctypes/macholib/dyld.py.
+ Patch by Madison May.
+
+- Issue #27611: Fixed support of default root window in the tkinter.tix module.
+
+- Issue #27348: In the traceback module, restore the formatting of exception
+ messages like "Exception: None". This fixes a regression introduced in
+ 3.5a2.
+
+- Issue #25651: Allow falsy values to be used for msg parameter of subTest().
+
+- Issue #27932: Prevent memory leak in win32_ver().
+
+- Fix UnboundLocalError in socket._sendfile_use_sendfile.
+
+- Issue #28075: Check for ERROR_ACCESS_DENIED in Windows implementation of
+ os.stat(). Patch by Eryk Sun.
+
+- Issue #25270: Prevent codecs.escape_encode() from raising SystemError when
+ an empty bytestring is passed.
+
+- Issue #28181: Get antigravity over HTTPS. Patch by Kaartic Sivaraam.
+
+- Issue #25895: Enable WebSocket URL schemes in urllib.parse.urljoin.
+ Patch by Gergely Imreh and Markus Holtermann.
+
+- Issue #27599: Fixed buffer overrun in binascii.b2a_qp() and binascii.a2b_qp().
+
+- Issue #19003:m email.generator now replaces only \r and/or \n line
+ endings, per the RFC, instead of all unicode line endings.
+
+- Issue #28019: itertools.count() no longer rounds non-integer step in range
+ between 1.0 and 2.0 to 1.
+
+- Issue #25969: Update the lib2to3 grammar to handle the unpacking
+ generalizations added in 3.5.
+
+- Issue #14977: mailcap now respects the order of the lines in the mailcap
+ files ("first match"), as required by RFC 1542. Patch by Michael Lazar.
+
+- Issue #24594: Validates persist parameter when opening MSI database
+
+- Issue #17582: xml.etree.ElementTree nows preserves whitespaces in attributes
+ (Patch by Duane Griffin. Reviewed and approved by Stefan Behnel.)
+
+- Issue #28047: Fixed calculation of line length used for the base64 CTE
+ in the new email policies.
+
+- Issue #27445: Don't pass str(_charset) to MIMEText.set_payload().
+ Patch by Claude Paroz.
+
+- Issue #22450: urllib now includes an "Accept: */*" header among the
+ default headers. This makes the results of REST API requests more
+ consistent and predictable especially when proxy servers are involved.
+
+- lib2to3.pgen3.driver.load_grammar() now creates a stable cache file
+ between runs given the same Grammar.txt input regardless of the hash
+ randomization setting.
+
+- Issue #27570: Avoid zero-length memcpy() etc calls with null source
+ pointers in the "ctypes" and "array" modules.
+
+- Issue #22233: Break email header lines *only* on the RFC specified CR and LF
+ characters, not on arbitrary unicode line breaks. This also fixes a bug in
+ HTTP header parsing.
+
+- Issue 27988: Fix email iter_attachments incorrect mutation of payload list.
+
+- Issue #27691: Fix ssl module's parsing of GEN_RID subject alternative name
+ fields in X.509 certs.
+
+- Issue #27850: Remove 3DES from ssl module's default cipher list to counter
+ measure sweet32 attack (CVE-2016-2183).
+
+- Issue #27766: Add ChaCha20 Poly1305 to ssl module's default ciper list.
+ (Required OpenSSL 1.1.0 or LibreSSL).
+
+- Issue #26470: Port ssl and hashlib module to OpenSSL 1.1.0.
+
+- Remove support for passing a file descriptor to os.access. It never worked but
+ previously didn't raise.
+
+- Issue #12885: Fix error when distutils encounters symlink.
+
+- Issue #27881: Fixed possible bugs when setting sqlite3.Connection.isolation_level.
+ Based on patch by Xiang Zhang.
+
+- Issue #27861: Fixed a crash in sqlite3.Connection.cursor() when a factory
+ creates not a cursor. Patch by Xiang Zhang.
+
+- Issue #19884: Avoid spurious output on OS X with Gnu Readline.
+
+- Issue #27706: Restore deterministic behavior of random.Random().seed()
+ for string seeds using seeding version 1. Allows sequences of calls
+ to random() to exactly match those obtained in Python 2.
+ Patch by Nofar Schnider.
+
+- Issue #10513: Fix a regression in Connection.commit(). Statements should
+ not be reset after a commit.
+
+- A new version of typing.py from https://github.com/python/typing:
+ - Collection (only for 3.6) (Issue #27598)
+ - Add FrozenSet to __all__ (upstream #261)
+ - fix crash in _get_type_vars() (upstream #259)
+ - Remove the dict constraint in ForwardRef._eval_type (upstream #252)
+
+- Issue #27539: Fix unnormalised ``Fraction.__pow__`` result in the case
+ of negative exponent and negative base.
+
+- Issue #21718: cursor.description is now available for queries using CTEs.
+
+- Issue #2466: posixpath.ismount now correctly recognizes mount points which
+ the user does not have permission to access.
+
+- Issue #27773: Correct some memory management errors server_hostname in
+ _ssl.wrap_socket().
+
+- Issue #26750: unittest.mock.create_autospec() now works properly for
+ subclasses of property() and other data descriptors.
+
+- In the curses module, raise an error if window.getstr() or window.instr() is
+ passed a negative value.
+
+- Issue #27783: Fix possible usage of uninitialized memory in
+ operator.methodcaller.
+
+- Issue #27774: Fix possible Py_DECREF on unowned object in _sre.
+
+- Issue #27760: Fix possible integer overflow in binascii.b2a_qp.
+
+- Issue #27758: Fix possible integer overflow in the _csv module for large
+ record lengths.
+
+- Issue #27568: Prevent HTTPoxy attack (CVE-2016-1000110). Ignore the
+ HTTP_PROXY variable when REQUEST_METHOD environment is set, which indicates
+ that the script is in CGI mode.
+
+- Issue #27656: Do not assume sched.h defines any SCHED_* constants.
+
+- Issue #27130: In the "zlib" module, fix handling of large buffers
+ (typically 4 GiB) when compressing and decompressing. Previously, inputs
+ were limited to 4 GiB, and compression and decompression operations did not
+ properly handle results of 4 GiB.
+
+- Issue #27533: Release GIL in nt._isdir
+
+- Issue #17711: Fixed unpickling by the persistent ID with protocol 0.
+ Original patch by Alexandre Vassalotti.
+
+- Issue #27522: Avoid an unintentional reference cycle in email.feedparser.
+
+- Issue #26844: Fix error message for imp.find_module() to refer to 'path'
+ instead of 'name'. Patch by Lev Maximov.
+
+- Issue #23804: Fix SSL zero-length recv() calls to not block and not raise
+ an error about unclean EOF.
+
+- Issue #27466: Change time format returned by http.cookie.time2netscape,
+ confirming the netscape cookie format and making it consistent with
+ documentation.
+
+- Issue #26664: Fix activate.fish by removing mis-use of ``$``.
+
+- Issue #22115: Fixed tracing Tkinter variables: trace_vdelete() with wrong
+ mode no longer break tracing, trace_vinfo() now always returns a list of
+ pairs of strings, tracing in the "u" mode now works.
+
+- Fix a scoping issue in importlib.util.LazyLoader which triggered an
+ UnboundLocalError when lazy-loading a module that was already put into
+ sys.modules.
+
+- Issue #27079: Fixed curses.ascii functions isblank(), iscntrl() and ispunct().
+
+- Issue #26754: Some functions (compile() etc) accepted a filename argument
+ encoded as an iterable of integers. Now only strings and byte-like objects
+ are accepted.
+
+- Issue #27048: Prevents distutils failing on Windows when environment
+ variables contain non-ASCII characters
+
+- Issue #27330: Fixed possible leaks in the ctypes module.
+
+- Issue #27238: Got rid of bare excepts in the turtle module. Original patch
+ by Jelle Zijlstra.
+
+- Issue #27122: When an exception is raised within the context being managed
+ by a contextlib.ExitStack() and one of the exit stack generators
+ catches and raises it in a chain, do not re-raise the original exception
+ when exiting, let the new chained one through. This avoids the PEP 479
+ bug described in issue25782.
+
+- [Security] Issue #27278: Fix os.urandom() implementation using getrandom() on
+ Linux. Truncate size to INT_MAX and loop until we collected enough random
+ bytes, instead of casting a directly Py_ssize_t to int.
+
+- Issue #26386: Fixed ttk.TreeView selection operations with item id's
+ containing spaces.
+
+- [Security] Issue #22636: Avoid shell injection problems with
+ ctypes.util.find_library().
+
+- Issue #16182: Fix various functions in the "readline" module to use the
+ locale encoding, and fix get_begidx() and get_endidx() to return code point
+ indexes.
+
+- Issue #27392: Add loop.connect_accepted_socket().
+ Patch by Jim Fulton.
+
+- Issue #27930: Improved behaviour of logging.handlers.QueueListener.
+ Thanks to Paulo Andrade and Petr Viktorin for the analysis and patch.
+
+- Issue #21201: Improves readability of multiprocessing error message. Thanks
+ to Wojciech Walczak for patch.
+
+- Issue #27456: asyncio: Set TCP_NODELAY by default.
+
+- Issue #27906: Fix socket accept exhaustion during high TCP traffic.
+ Patch by Kevin Conway.
+
+- Issue #28174: Handle when SO_REUSEPORT isn't properly supported.
+ Patch by Seth Michael Larson.
+
+- Issue #26654: Inspect functools.partial in asyncio.Handle.__repr__.
+ Patch by iceboy.
+
+- Issue #26909: Fix slow pipes IO in asyncio.
+ Patch by INADA Naoki.
+
+- Issue #28176: Fix callbacks race in asyncio.SelectorLoop.sock_connect.
+
+- Issue #27759: Fix selectors incorrectly retain invalid file descriptors.
+ Patch by Mark Williams.
+
+- Issue #28368: Refuse monitoring processes if the child watcher has
+ no loop attached.
+ Patch by Vincent Michel.
+
+- Issue #28369: Raise RuntimeError when transport's FD is used with
+ add_reader, add_writer, etc.
+
+- Issue #28370: Speedup asyncio.StreamReader.readexactly.
+ Patch by Коренберг Марк.
+
+- Issue #28371: Deprecate passing asyncio.Handles to run_in_executor.
+
+- Issue #28372: Fix asyncio to support formatting of non-python coroutines.
+
+- Issue #28399: Remove UNIX socket from FS before binding.
+ Patch by Коренберг Марк.
+
+- Issue #27972: Prohibit Tasks to await on themselves.
+
+- Issue #26923: Fix asyncio.Gather to refuse being cancelled once all
+ children are done.
+ Patch by Johannes Ebke.
+
+- Issue #26796: Don't configure the number of workers for default
+ threadpool executor.
+ Initial patch by Hans Lawrenz.
+
+- Issue #28600: Optimize loop.call_soon().
+
+- Issue #28613: Fix get_event_loop() return the current loop if
+ called from coroutines/callbacks.
+
+- Issue #28639: Fix inspect.isawaitable to always return bool
+ Patch by Justin Mayfield.
+
+- Issue #28652: Make loop methods reject socket kinds they do not support.
+
+- Issue #28653: Fix a refleak in functools.lru_cache.
+
+- Issue #28703: Fix asyncio.iscoroutinefunction to handle Mock objects.
+
+- Issue #24142: Reading a corrupt config file left the parser in an
+ invalid state. Original patch by Florian Höch.
+
+- Issue #28990: Fix SSL hanging if connection is closed before handshake
+ completed.
+ (Patch by HoHo-Ho)
+
+IDLE
+----
+
+- Issue #15308: Add 'interrupt execution' (^C) to Shell menu.
+ Patch by Roger Serwy, updated by Bayard Randel.
+
+- Issue #27922: Stop IDLE tests from 'flashing' gui widgets on the screen.
+
+- Add version to title of IDLE help window.
+
+- Issue #25564: In section on IDLE -- console differences, mention that
+ using exec means that __builtins__ is defined for each statement.
+
+- Issue #27714: text_textview and test_autocomplete now pass when re-run
+ in the same process. This occurs when test_idle fails when run with the
+ -w option but without -jn. Fix warning from test_config.
+
+- Issue #25507: IDLE no longer runs buggy code because of its tkinter imports.
+ Users must include the same imports required to run directly in Python.
+
+- Issue #27452: add line counter and crc to IDLE configHandler test dump.
+
+- Issue #27365: Allow non-ascii chars in IDLE NEWS.txt, for contributor names.
+
+- Issue #27245: IDLE: Cleanly delete custom themes and key bindings.
+ Previously, when IDLE was started from a console or by import, a cascade
+ of warnings was emitted. Patch by Serhiy Storchaka.
+
+C API
+-----
+
+- Issue #28808: PyUnicode_CompareWithASCIIString() now never raises exceptions.
+
+- Issue #26754: PyUnicode_FSDecoder() accepted a filename argument encoded as
+ an iterable of integers. Now only strings and bytes-like objects are accepted.
+
+Documentation
+-------------
+
+- Issue #28513: Documented command-line interface of zipfile.
+
+Tests
+-----
+
+- Issue #28950: Disallow -j0 to be combined with -T/-l/-M in regrtest
+ command line arguments.
+
+- Issue #28666: Now test.support.rmtree is able to remove unwritable or
+ unreadable directories.
+
+- Issue #23839: Various caches now are cleared before running every test file.
+
+- Issue #28409: regrtest: fix the parser of command line arguments.
+
+- Issue #27787: Call gc.collect() before checking each test for "dangling
+ threads", since the dangling threads are weak references.
+
+- Issue #27369: In test_pyexpat, avoid testing an error message detail that
+ changed in Expat 2.2.0.
+
+Tools/Demos
+-----------
+
+- Issue #27952: Get Tools/scripts/fixcid.py working with Python 3 and the
+ current "re" module, avoid invalid Python backslash escapes, and fix a bug
+ parsing escaped C quote signs.
+
+- Issue #27332: Fixed the type of the first argument of module-level functions
+ generated by Argument Clinic. Patch by Petr Viktorin.
+
+- Issue #27418: Fixed Tools/importbench/importbench.py.
+
+Windows
+-------
+
+- Issue #28251: Improvements to help manuals on Windows.
+
+- Issue #28110: launcher.msi has different product codes between 32-bit and
+ 64-bit
+
+- Issue #25144: Ensures TargetDir is set before continuing with custom
+ install.
+
+- Issue #27469: Adds a shell extension to the launcher so that drag and drop
+ works correctly.
+
+- Issue #27309: Enabled proper Windows styles in python[w].exe manifest.
+
+Build
+-----
+
+- Issue #29080: Removes hard dependency on hg.exe from PCBuild/build.bat
+
+- Issue #23903: Added missed names to PC/python3.def.
+
+- Issue #10656: Fix out-of-tree building on AIX. Patch by Tristan Carel and
+ Michael Haubenwallner.
+
+- Issue #26359: Rename --with-optimiations to --enable-optimizations.
+
+- Issue #28444: Fix missing extensions modules when cross compiling.
+
+- Issue #28248: Update Windows build and OS X installers to use OpenSSL 1.0.2j.
+
+- Issue #28258: Fixed build with Estonian locale (python-config and distclean
+ targets in Makefile). Patch by Arfrever Frehtes Taifersar Arahesis.
+
+- Issue #26661: setup.py now detects system libffi with multiarch wrapper.
+
+- Issue #28066: Fix the logic that searches build directories for generated
+ include files when building outside the source tree.
+
+- Issue #15819: Remove redundant include search directory option for building
+ outside the source tree.
+
+- Issue #27566: Fix clean target in freeze makefile (patch by Lisa Roach)
+
+- Issue #27705: Update message in validate_ucrtbase.py
+
+- Issue #27983: Cause lack of llvm-profdata tool when using clang as
+ required for PGO linking to be a configure time error rather than
+ make time when --with-optimizations is enabled. Also improve our
+ ability to find the llvm-profdata tool on MacOS and some Linuxes.
+
+- Issue #26307: The profile-opt build now applies PGO to the built-in modules.
+
+- Issue #26359: Add the --with-optimizations configure flag.
+
+- Issue #27713: Suppress spurious build warnings when updating importlib's
+ bootstrap files. Patch by Xiang Zhang
+
+- Issue #25825: Correct the references to Modules/python.exp and ld_so_aix,
+ which are required on AIX. This updates references to an installation path
+ that was changed in 3.2a4, and undoes changed references to the build tree
+ that were made in 3.5.0a1.
+
+- Issue #27453: CPP invocation in configure must use CPPFLAGS. Patch by
+ Chi Hsuan Yen.
+
+- Issue #27641: The configure script now inserts comments into the makefile
+ to prevent the pgen and _freeze_importlib executables from being cross-
+ compiled.
+
+- Issue #26662: Set PYTHON_FOR_GEN in configure as the Python program to be
+ used for file generation during the build.
+
+- Issue #10910: Avoid C++ compilation errors on FreeBSD and OS X.
+ Also update FreedBSD version checks for the original ctype UTF-8 workaround.
+
+- Issue #28676: Prevent missing 'getentropy' declaration warning on macOS.
+ Patch by Gareth Rees.
+
+
+What's New in Python 3.5.2?
+===========================
+
+Release date: 2016-06-26
+
+Core and Builtins
+-----------------
+
+- Issue #26930: Update Windows builds to use OpenSSL 1.0.2h.
+
+Tests
+-----
+
+- Issue #26867: Ubuntu's openssl OP_NO_SSLv3 is forced on by default; fix test.
+
+IDLE
+----
+
+- Issue #27365: Allow non-ascii in idlelib/NEWS.txt - minimal part for 3.5.2.
+
+
+What's New in Python 3.5.2 release candidate 1?
+===============================================
+
+Release date: 2016-06-12
+
+Core and Builtins
+-----------------
+
+- Issue #27066: Fixed SystemError if a custom opener (for open()) returns a
+ negative number without setting an exception.
+
+- Issue #20041: Fixed TypeError when frame.f_trace is set to None.
+ Patch by Xavier de Gaye.
+
+- Issue #26168: Fixed possible refleaks in failing Py_BuildValue() with the "N"
+ format unit.
+
+- Issue #26991: Fix possible refleak when creating a function with annotations.
+
+- Issue #27039: Fixed bytearray.remove() for values greater than 127. Patch by
+ Joe Jevnik.
+
+- Issue #23640: int.from_bytes() no longer bypasses constructors for subclasses.
+
+- Issue #26811: gc.get_objects() no longer contains a broken tuple with NULL
+ pointer.
+
+- Issue #20120: Use RawConfigParser for .pypirc parsing,
+ removing support for interpolation unintentionally added
+ with move to Python 3. Behavior no longer does any
+ interpolation in .pypirc files, matching behavior in Python
+ 2.7 and Setuptools 19.0.
+
+- Issue #26659: Make the builtin slice type support cycle collection.
+
+- Issue #26718: super.__init__ no longer leaks memory if called multiple times.
+ NOTE: A direct call of super.__init__ is not endorsed!
+
+- Issue #25339: PYTHONIOENCODING now has priority over locale in setting the
+ error handler for stdin and stdout.
+
+- Issue #26494: Fixed crash on iterating exhausting iterators.
+ Affected classes are generic sequence iterators, iterators of str, bytes,
+ bytearray, list, tuple, set, frozenset, dict, OrderedDict, corresponding
+ views and os.scandir() iterator.
+
+- Issue #26581: If coding cookie is specified multiple times on a line in
+ Python source code file, only the first one is taken to account.
+
+- Issue #26464: Fix str.translate() when string is ASCII and first replacements
+ removes character, but next replacement uses a non-ASCII character or a
+ string longer than 1 character. Regression introduced in Python 3.5.0.
+
+- Issue #22836: Ensure exception reports from PyErr_Display() and
+ PyErr_WriteUnraisable() are sensible even when formatting them produces
+ secondary errors. This affects the reports produced by
+ sys.__excepthook__() and when __del__() raises an exception.
+
+- Issue #26302: Correct behavior to reject comma as a legal character for
+ cookie names.
+
+- Issue #4806: Avoid masking the original TypeError exception when using star
+ (*) unpacking in function calls. Based on patch by Hagen Fürstenau and
+ Daniel Urban.
+
+- Issue #27138: Fix the doc comment for FileFinder.find_spec().
+
+- Issue #26154: Add a new private _PyThreadState_UncheckedGet() function to get
+ the current Python thread state, but don't issue a fatal error if it is NULL.
+ This new function must be used instead of accessing directly the
+ _PyThreadState_Current variable. The variable is no more exposed since
+ Python 3.5.1 to hide the exact implementation of atomic C types, to avoid
+ compiler issues.
+
+- Issue #26194: Deque.insert() gave odd results for bounded deques that had
+ reached their maximum size. Now an IndexError will be raised when attempting
+ to insert into a full deque.
+
+- Issue #25843: When compiling code, don't merge constants if they are equal
+ but have a different types. For example, ``f1, f2 = lambda: 1, lambda: 1.0``
+ is now correctly compiled to two different functions: ``f1()`` returns ``1``
+ (``int``) and ``f2()`` returns ``1.0`` (``int``), even if ``1`` and ``1.0``
+ are equal.
+
+- Issue #22995: [UPDATE] Comment out the one of the pickleability tests in
+ _PyObject_GetState() due to regressions observed in Cython-based projects.
+
+- Issue #25961: Disallowed null characters in the type name.
+
+- Issue #25973: Fix segfault when an invalid nonlocal statement binds a name
+ starting with two underscores.
+
+- Issue #22995: Instances of extension types with a state that aren't
+ subclasses of list or dict and haven't implemented any pickle-related
+ methods (__reduce__, __reduce_ex__, __getnewargs__, __getnewargs_ex__,
+ or __getstate__), can no longer be pickled. Including memoryview.
+
+- Issue #20440: Massive replacing unsafe attribute setting code with special
+ macro Py_SETREF.
+
+- Issue #25766: Special method __bytes__() now works in str subclasses.
+
+- Issue #25421: __sizeof__ methods of builtin types now use dynamic basic size.
+ This allows sys.getsize() to work correctly with their subclasses with
+ __slots__ defined.
+
+- Issue #25709: Fixed problem with in-place string concatenation and utf-8
+ cache.
+
+- Issue #27147: Mention PEP 420 in the importlib docs.
+
+- Issue #24097: Fixed crash in object.__reduce__() if slot name is freed inside
+ __getattr__.
+
+- Issue #24731: Fixed crash on converting objects with special methods
+ __bytes__, __trunc__, and __float__ returning instances of subclasses of
+ bytes, int, and float to subclasses of bytes, int, and float correspondingly.
+
+- Issue #26478: Fix semantic bugs when using binary operators with dictionary
+ views and tuples.
+
+- Issue #26171: Fix possible integer overflow and heap corruption in
+ zipimporter.get_data().
+
+- Issue #25660: Fix TAB key behaviour in REPL with readline.
+
+- Issue #25887: Raise a RuntimeError when a coroutine object is awaited
+ more than once.
+
+- Issue #27243: Update the __aiter__ protocol: instead of returning
+ an awaitable that resolves to an asynchronous iterator, the asynchronous
+ iterator should be returned directly. Doing the former will trigger a
+ PendingDeprecationWarning.
+
+
+Library
+-------
+
+- [Security] Issue #26556: Update expat to 2.1.1, fixes CVE-2015-1283.
+
+- [Security] Fix TLS stripping vulnerability in smtplib, CVE-2016-0772.
+ Reported by Team Oststrom
+
+- Issue #21386: Implement missing IPv4Address.is_global property. It was
+ documented since 07a5610bae9d. Initial patch by Roger Luethi.
+
+- Issue #20900: distutils register command now decodes HTTP responses
+ correctly. Initial patch by ingrid.
+
+- A new version of typing.py provides several new classes and
+ features: @overload outside stubs, Reversible, DefaultDict, Text,
+ ContextManager, Type[], NewType(), TYPE_CHECKING, and numerous bug
+ fixes (note that some of the new features are not yet implemented in
+ mypy or other static analyzers). Also classes for PEP 492
+ (Awaitable, AsyncIterable, AsyncIterator) have been added (in fact
+ they made it into 3.5.1 but were never mentioned).
+
+- Issue #25738: Stop http.server.BaseHTTPRequestHandler.send_error() from
+ sending a message body for 205 Reset Content. Also, don't send Content
+ header fields in responses that don't have a body. Patch by Susumu
+ Koshiba.
+
+- Issue #21313: Fix the "platform" module to tolerate when sys.version
+ contains truncated build information.
+
+- [Security] Issue #26839: On Linux, :func:`os.urandom` now calls
+ ``getrandom()`` with ``GRND_NONBLOCK`` to fall back on reading
+ ``/dev/urandom`` if the urandom entropy pool is not initialized yet. Patch
+ written by Colm Buckley.
+
+- Issue #27164: In the zlib module, allow decompressing raw Deflate streams
+ with a predefined zdict. Based on patch by Xiang Zhang.
+
+- Issue #24291: Fix wsgiref.simple_server.WSGIRequestHandler to completely
+ write data to the client. Previously it could do partial writes and
+ truncate data. Also, wsgiref.handler.ServerHandler can now handle stdout
+ doing partial writes, but this is deprecated.
+
+- Issue #26809: Add ``__all__`` to :mod:`string`. Patch by Emanuel Barry.
+
+- Issue #26373: subprocess.Popen.communicate now correctly ignores
+ BrokenPipeError when the child process dies before .communicate()
+ is called in more/all circumstances.
+
+- Issue #21776: distutils.upload now correctly handles HTTPError.
+ Initial patch by Claudiu Popa.
+
+- Issue #27114: Fix SSLContext._load_windows_store_certs fails with
+ PermissionError
+
+- Issue #18383: Avoid creating duplicate filters when using filterwarnings
+ and simplefilter. Based on patch by Alex Shkop.
+
+- Issue #27057: Fix os.set_inheritable() on Android, ioctl() is blocked by
+ SELinux and fails with EACCESS. The function now falls back to fcntl().
+ Patch written by Michał Bednarski.
+
+- Issue #27014: Fix infinite recursion using typing.py. Thanks to Kalle Tuure!
+
+- Issue #14132: Fix urllib.request redirect handling when the target only has
+ a query string. Original fix by Ján Janech.
+
+- Issue #17214: The "urllib.request" module now percent-encodes non-ASCII
+ bytes found in redirect target URLs. Some servers send Location header
+ fields with non-ASCII bytes, but "http.client" requires the request target
+ to be ASCII-encodable, otherwise a UnicodeEncodeError is raised. Based on
+ patch by Christian Heimes.
+
+- Issue #26892: Honor debuglevel flag in urllib.request.HTTPHandler. Patch
+ contributed by Chi Hsuan Yen.
+
+- Issue #22274: In the subprocess module, allow stderr to be redirected to
+ stdout even when stdout is not redirected. Patch by Akira Li.
+
+- Issue #26807: mock_open 'files' no longer error on readline at end of file.
+ Patch from Yolanda Robla.
+
+- Issue #25745: Fixed leaking a userptr in curses panel destructor.
+
+- Issue #26977: Removed unnecessary, and ignored, call to sum of squares helper
+ in statistics.pvariance.
+
+- Issue #26881: The modulefinder module now supports extended opcode arguments.
+
+- Issue #23815: Fixed crashes related to directly created instances of types in
+ _tkinter and curses.panel modules.
+
+- Issue #17765: weakref.ref() no longer silently ignores keyword arguments.
+ Patch by Georg Brandl.
+
+- Issue #26873: xmlrpc now raises ResponseError on unsupported type tags
+ instead of silently return incorrect result.
+
+- Issue #26711: Fixed the comparison of plistlib.Data with other types.
+
+- Issue #24114: Fix an uninitialized variable in `ctypes.util`.
+
+ The bug only occurs on SunOS when the ctypes implementation searches
+ for the `crle` program. Patch by Xiang Zhang. Tested on SunOS by
+ Kees Bos.
+
+- Issue #26864: In urllib.request, change the proxy bypass host checking
+ against no_proxy to be case-insensitive, and to not match unrelated host
+ names that happen to have a bypassed hostname as a suffix. Patch by Xiang
+ Zhang.
+
+- Issue #26634: recursive_repr() now sets __qualname__ of wrapper. Patch by
+ Xiang Zhang.
+
+- Issue #26804: urllib.request will prefer lower_case proxy environment
+ variables over UPPER_CASE or Mixed_Case ones. Patch contributed by Hans-Peter
+ Jansen.
+
+- Issue #26837: assertSequenceEqual() now correctly outputs non-stringified
+ differing items (like bytes in the -b mode). This affects assertListEqual()
+ and assertTupleEqual().
+
+- Issue #26041: Remove "will be removed in Python 3.7" from deprecation
+ messages of platform.dist() and platform.linux_distribution().
+ Patch by Kumaripaba Miyurusara Athukorala.
+
+- Issue #26822: itemgetter, attrgetter and methodcaller objects no longer
+ silently ignore keyword arguments.
+
+- Issue #26733: Disassembling a class now disassembles class and static methods.
+ Patch by Xiang Zhang.
+
+- Issue #26801: Fix error handling in :func:`shutil.get_terminal_size`, catch
+ :exc:`AttributeError` instead of :exc:`NameError`. Patch written by Emanuel
+ Barry.
+
+- Issue #24838: tarfile's ustar and gnu formats now correctly calculate name
+ and link field limits for multibyte character encodings like utf-8.
+
+- [Security] Issue #26657: Fix directory traversal vulnerability with
+ http.server on Windows. This fixes a regression that was introduced in
+ 3.3.4rc1 and 3.4.0rc1. Based on patch by Philipp Hagemeister.
+
+- Issue #26717: Stop encoding Latin-1-ized WSGI paths with UTF-8. Patch by
+ Anthony Sottile.
+
+- Issue #26735: Fix :func:`os.urandom` on Solaris 11.3 and newer when reading
+ more than 1,024 bytes: call ``getrandom()`` multiple times with a limit of
+ 1024 bytes per call.
+
+- Issue #16329: Add .webm to mimetypes.types_map. Patch by Giampaolo Rodola'.
+
+- Issue #13952: Add .csv to mimetypes.types_map. Patch by Geoff Wilson.
+
+- Issue #26709: Fixed Y2038 problem in loading binary PLists.
+
+- Issue #23735: Handle terminal resizing with Readline 6.3+ by installing our
+ own SIGWINCH handler. Patch by Eric Price.
+
+- Issue #26586: In http.server, respond with "413 Request header fields too
+ large" if there are too many header fields to parse, rather than killing
+ the connection and raising an unhandled exception. Patch by Xiang Zhang.
+
+- Issue #22854: Change BufferedReader.writable() and
+ BufferedWriter.readable() to always return False.
+
+- Issue #25195: Fix a regression in mock.MagicMock. _Call is a subclass of
+ tuple (changeset 3603bae63c13 only works for classes) so we need to
+ implement __ne__ ourselves. Patch by Andrew Plummer.
+
+- Issue #26644: Raise ValueError rather than SystemError when a negative
+ length is passed to SSLSocket.recv() or read().
+
+- Issue #23804: Fix SSL recv(0) and read(0) methods to return zero bytes
+ instead of up to 1024.
+
+- Issue #26616: Fixed a bug in datetime.astimezone() method.
+
+- Issue #21925: :func:`warnings.formatwarning` now catches exceptions on
+ ``linecache.getline(...)`` to be able to log :exc:`ResourceWarning` emitted
+ late during the Python shutdown process.
+
+- Issue #24266: Ctrl+C during Readline history search now cancels the search
+ mode when compiled with Readline 7.
+
+- Issue #26560: Avoid potential ValueError in BaseHandler.start_response.
+ Initial patch by Peter Inglesby.
+
+- [Security] Issue #26313: ssl.py _load_windows_store_certs fails if windows
+ cert store is empty. Patch by Baji.
+
+- Issue #26569: Fix :func:`pyclbr.readmodule` and :func:`pyclbr.readmodule_ex`
+ to support importing packages.
+
+- Issue #26499: Account for remaining Content-Length in
+ HTTPResponse.readline() and read1(). Based on patch by Silent Ghost.
+ Also document that HTTPResponse now supports these methods.
+
+- Issue #25320: Handle sockets in directories unittest discovery is scanning.
+ Patch from Victor van den Elzen.
+
+- Issue #16181: cookiejar.http2time() now returns None if year is higher than
+ datetime.MAXYEAR.
+
+- Issue #26513: Fixes platform module detection of Windows Server
+
+- Issue #23718: Fixed parsing time in week 0 before Jan 1. Original patch by
+ Tamás Bence Gedai.
+
+- Issue #20589: Invoking Path.owner() and Path.group() on Windows now raise
+ NotImplementedError instead of ImportError.
+
+- Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.
+
+- Issue #15068: Got rid of excessive buffering in the fileinput module.
+ The bufsize parameter is no longer used.
+
+- Issue #2202: Fix UnboundLocalError in
+ AbstractDigestAuthHandler.get_algorithm_impls. Initial patch by Mathieu
+ Dupuy.
+
+- Issue #25718: Fixed pickling and copying the accumulate() iterator with
+ total is None.
+
+- Issue #26475: Fixed debugging output for regular expressions with the (?x)
+ flag.
+
+- Issue #26457: Fixed the subnets() methods in IP network classes for the case
+ when resulting prefix length is equal to maximal prefix length.
+ Based on patch by Xiang Zhang.
+
+- Issue #26385: Remove the file if the internal open() call in
+ NamedTemporaryFile() fails. Patch by Silent Ghost.
+
+- Issue #26402: Fix XML-RPC client to retry when the server shuts down a
+ persistent connection. This was a regression related to the new
+ http.client.RemoteDisconnected exception in 3.5.0a4.
+
+- Issue #25913: Leading ``<~`` is optional now in base64.a85decode() with
+ adobe=True. Patch by Swati Jaiswal.
+
+- Issue #26186: Remove an invalid type check in importlib.util.LazyLoader.
+
+- Issue #26367: importlib.__import__() raises SystemError like
+ builtins.__import__() when ``level`` is specified but without an accompanying
+ package specified.
+
+- Issue #26309: In the "socketserver" module, shut down the request (closing
+ the connected socket) when verify_request() returns false. Patch by Aviv
+ Palivoda.
+
+- [Security] Issue #25939: On Windows open the cert store readonly in
+ ssl.enum_certificates.
+
+- Issue #25995: os.walk() no longer uses FDs proportional to the tree depth.
+
+- Issue #26117: The os.scandir() iterator now closes file descriptor not only
+ when the iteration is finished, but when it was failed with error.
+
+- Issue #25911: Restored support of bytes paths in os.walk() on Windows.
+
+- Issue #26045: Add UTF-8 suggestion to error message when posting a
+ non-Latin-1 string with http.client.
+
+- Issue #12923: Reset FancyURLopener's redirect counter even if there is an
+ exception. Based on patches by Brian Brazil and Daniel Rocco.
+
+- Issue #25945: Fixed a crash when unpickle the functools.partial object with
+ wrong state. Fixed a leak in failed functools.partial constructor.
+ "args" and "keywords" attributes of functools.partial have now always types
+ tuple and dict correspondingly.
+
+- Issue #26202: copy.deepcopy() now correctly copies range() objects with
+ non-atomic attributes.
+
+- Issue #23076: Path.glob() now raises a ValueError if it's called with an
+ invalid pattern. Patch by Thomas Nyberg.
+
+- Issue #19883: Fixed possible integer overflows in zipimport.
+
+- Issue #26227: On Windows, getnameinfo(), gethostbyaddr() and
+ gethostbyname_ex() functions of the socket module now decode the hostname
+ from the ANSI code page rather than UTF-8.
+
+- Issue #26147: xmlrpc now works with strings not encodable with used
+ non-UTF-8 encoding.
+
+- Issue #25935: Garbage collector now breaks reference loops with OrderedDict.
+
+- Issue #16620: Fixed AttributeError in msilib.Directory.glob().
+
+- Issue #26013: Added compatibility with broken protocol 2 pickles created
+ in old Python 3 versions (3.4.3 and lower).
+
+- Issue #25850: Use cross-compilation by default for 64-bit Windows.
+
+- Issue #17633: Improve zipimport's support for namespace packages.
+
+- Issue #24705: Fix sysconfig._parse_makefile not expanding ${} vars
+ appearing before $() vars.
+
+- Issue #22138: Fix mock.patch behavior when patching descriptors. Restore
+ original values after patching. Patch contributed by Sean McCully.
+
+- Issue #25672: In the ssl module, enable the SSL_MODE_RELEASE_BUFFERS mode
+ option if it is safe to do so.
+
+- Issue #26012: Don't traverse into symlinks for ** pattern in
+ pathlib.Path.[r]glob().
+
+- Issue #24120: Ignore PermissionError when traversing a tree with
+ pathlib.Path.[r]glob(). Patch by Ulrich Petri.
+
+- Issue #25447: fileinput now uses sys.stdin as-is if it does not have a
+ buffer attribute (restores backward compatibility).
+
+- Issue #25447: Copying the lru_cache() wrapper object now always works,
+ independedly from the type of the wrapped object (by returning the original
+ object unchanged).
+
+- Issue #24103: Fixed possible use after free in ElementTree.XMLPullParser.
+
+- Issue #25860: os.fwalk() no longer skips remaining directories when error
+ occurs. Original patch by Samson Lee.
+
+- Issue #25914: Fixed and simplified OrderedDict.__sizeof__.
+
+- Issue #25902: Fixed various refcount issues in ElementTree iteration.
+
+- Issue #25717: Restore the previous behaviour of tolerating most fstat()
+ errors when opening files. This was a regression in 3.5a1, and stopped
+ anonymous temporary files from working in special cases.
+
+- Issue #24903: Fix regression in number of arguments compileall accepts when
+ '-d' is specified. The check on the number of arguments has been dropped
+ completely as it never worked correctly anyway.
+
+- Issue #25764: In the subprocess module, preserve any exception caused by
+ fork() failure when preexec_fn is used.
+
+- Issue #6478: _strptime's regexp cache now is reset after changing timezone
+ with time.tzset().
+
+- Issue #14285: When executing a package with the "python -m package" option,
+ and package initialization fails, a proper traceback is now reported. The
+ "runpy" module now lets exceptions from package initialization pass back to
+ the caller, rather than raising ImportError.
+
+- Issue #19771: Also in runpy and the "-m" option, omit the irrelevant
+ message ". . . is a package and cannot be directly executed" if the package
+ could not even be initialized (e.g. due to a bad ``*.pyc`` file).
+
+- Issue #25177: Fixed problem with the mean of very small and very large
+ numbers. As a side effect, statistics.mean and statistics.variance should
+ be significantly faster.
+
+- Issue #25718: Fixed copying object with state with boolean value is false.
+
+- Issue #10131: Fixed deep copying of minidom documents. Based on patch
+ by Marian Ganisin.
+
+- Issue #25725: Fixed a reference leak in pickle.loads() when unpickling
+ invalid data including tuple instructions.
+
+- Issue #25663: In the Readline completer, avoid listing duplicate global
+ names, and search the global namespace before searching builtins.
+
+- Issue #25688: Fixed file leak in ElementTree.iterparse() raising an error.
+
+- Issue #23914: Fixed SystemError raised by unpickler on broken pickle data.
+
+- Issue #25691: Fixed crash on deleting ElementTree.Element attributes.
+
+- Issue #25624: ZipFile now always writes a ZIP_STORED header for directory
+ entries. Patch by Dingyuan Wang.
+
+- Skip getaddrinfo if host is already resolved.
+ Patch by A. Jesse Jiryu Davis.
+
+- Issue #26050: Add asyncio.StreamReader.readuntil() method.
+ Patch by Марк Коренберг.
+
+- Issue #25924: Avoid unnecessary serialization of getaddrinfo(3) calls on
+ OS X versions 10.5 or higher. Original patch by A. Jesse Jiryu Davis.
+
+- Issue #26406: Avoid unnecessary serialization of getaddrinfo(3) calls on
+ current versions of OpenBSD and NetBSD. Patch by A. Jesse Jiryu Davis.
+
+- Issue #26848: Fix asyncio/subprocess.communicate() to handle empty input.
+ Patch by Jack O'Connor.
+
+- Issue #27040: Add loop.get_exception_handler method
+
+- Issue #27041: asyncio: Add loop.create_future method
+
+- Issue #27223: asyncio: Fix _read_ready and _write_ready to respect
+ _conn_lost.
+ Patch by Łukasz Langa.
+
+- Issue #22970: asyncio: Fix inconsistency cancelling Condition.wait.
+ Patch by David Coles.
+
+IDLE
+----
+
+- Issue #5124: Paste with text selected now replaces the selection on X11.
+ This matches how paste works on Windows, Mac, most modern Linux apps,
+ and ttk widgets. Original patch by Serhiy Storchaka.
+
+- Issue #24759: Make clear in idlelib.idle_test.__init__ that the directory
+ is a private implementation of test.test_idle and tool for maintainers.
+
+- Issue #27196: Stop 'ThemeChanged' warnings when running IDLE tests.
+ These persisted after other warnings were suppressed in #20567.
+ Apply Serhiy Storchaka's update_idletasks solution to four test files.
+ Record this additional advice in idle_test/README.txt
+
+- Issue #20567: Revise idle_test/README.txt with advice about avoiding
+ tk warning messages from tests. Apply advice to several IDLE tests.
+
+- Issue #27117: Make colorizer htest and turtledemo work with dark themes.
+ Move code for configuring text widget colors to a new function.
+
+- Issue #26673: When tk reports font size as 0, change to size 10.
+ Such fonts on Linux prevented the configuration dialog from opening.
+
+- Issue #21939: Add test for IDLE's percolator.
+ Original patch by Saimadhav Heblikar.
+
+- Issue #21676: Add test for IDLE's replace dialog.
+ Original patch by Saimadhav Heblikar.
+
+- Issue #18410: Add test for IDLE's search dialog.
+ Original patch by Westley Martínez.
+
+- Issue #21703: Add test for IDLE's undo delegator.
+ Original patch by Saimadhav Heblikar .
+
+- Issue #27044: Add ConfigDialog.remove_var_callbacks to stop memory leaks.
+
+- Issue #23977: Add more asserts to test_delegator.
+
+- Issue #20640: Add tests for idlelib.configHelpSourceEdit.
+ Patch by Saimadhav Heblikar.
+
+- In the 'IDLE-console differences' section of the IDLE doc, clarify
+ how running with IDLE affects sys.modules and the standard streams.
+
+- Issue #25507: fix incorrect change in IOBinding that prevented printing.
+ Augment IOBinding htest to include all major IOBinding functions.
+
+- Issue #25905: Revert unwanted conversion of ' to ’ RIGHT SINGLE QUOTATION
+ MARK in README.txt and open this and NEWS.txt with 'ascii'.
+ Re-encode CREDITS.txt to utf-8 and open it with 'utf-8'.
+
+Documentation
+-------------
+
+- Issue #19489: Moved the search box from the sidebar to the header and footer
+ of each page. Patch by Ammar Askar.
+
+- Issue #24136: Document the new PEP 448 unpacking syntax of 3.5.
+
+- Issue #26736: Used HTTPS for external links in the documentation if possible.
+
+- Issue #6953: Rework the Readline module documentation to group related
+ functions together, and add more details such as what underlying Readline
+ functions and variables are accessed.
+
+- Issue #23606: Adds note to ctypes documentation regarding cdll.msvcrt.
+
+- Issue #25500: Fix documentation to not claim that __import__ is searched for
+ in the global scope.
+
+- Issue #26014: Update 3.x packaging documentation:
+ * "See also" links to the new docs are now provided in the legacy pages
+ * links to setuptools documentation have been updated
+
+Tests
+-----
+
+- Issue #21916: Added tests for the turtle module. Patch by ingrid,
+ Gregory Loyse and Jelle Zijlstra.
+
+- Issue #26523: The multiprocessing thread pool (multiprocessing.dummy.Pool)
+ was untested.
+
+- Issue #26015: Added new tests for pickling iterators of mutable sequences.
+
+- Issue #26325: Added test.support.check_no_resource_warning() to check that
+ no ResourceWarning is emitted.
+
+- Issue #25940: Changed test_ssl to use self-signed.pythontest.net. This
+ avoids relying on svn.python.org, which recently changed root certificate.
+
+- Issue #25616: Tests for OrderedDict are extracted from test_collections
+ into separate file test_ordered_dict.
+
+- Issue #26583: Skip test_timestamp_overflow in test_import if bytecode
+ files cannot be written.
+
+Build
+-----
+
+- Issue #26884: Fix linking extension modules for cross builds.
+ Patch by Xavier de Gaye.
+
+- Issue #22359: Disable the rules for running _freeze_importlib and pgen when
+ cross-compiling. The output of these programs is normally saved with the
+ source code anyway, and is still regenerated when doing a native build.
+ Patch by Xavier de Gaye.
+
+- Issue #27229: Fix the cross-compiling pgen rule for in-tree builds. Patch
+ by Xavier de Gaye.
+
+- Issue #21668: Link audioop, _datetime, _ctypes_test modules to libm,
+ except on Mac OS X. Patch written by Xavier de Gaye.
+
+- Issue #25702: A --with-lto configure option has been added that will
+ enable link time optimizations at build time during a make profile-opt.
+ Some compilers and toolchains are known to not produce stable code when
+ using LTO, be sure to test things thoroughly before relying on it.
+ It can provide a few % speed up over profile-opt alone.
+
+- Issue #26624: Adds validation of ucrtbase[d].dll version with warning
+ for old versions.
+
+- Issue #17603: Avoid error about nonexistant fileblocks.o file by using a
+ lower-level check for st_blocks in struct stat.
+
+- Issue #26079: Fixing the build output folder for tix-8.4.3.6. Patch by
+ Bjoern Thiel.
+
+- Issue #26465: Update Windows builds to use OpenSSL 1.0.2g.
+
+- Issue #24421: Compile Modules/_math.c once, before building extensions.
+ Previously it could fail to compile properly if the math and cmath builds
+ were concurrent.
+
+- Issue #25348: Added ``--pgo`` and ``--pgo-job`` arguments to
+ ``PCbuild\build.bat`` for building with Profile-Guided Optimization. The
+ old ``PCbuild\build_pgo.bat`` script is now deprecated, and simply calls
+ ``PCbuild\build.bat --pgo %*``.
+
+- Issue #25827: Add support for building with ICC to ``configure``, including
+ a new ``--with-icc`` flag.
+
+- Issue #25696: Fix installation of Python on UNIX with make -j9.
+
+- Issue #26930: Update OS X 10.5+ 32-bit-only installer to build
+ and link with OpenSSL 1.0.2h.
+
+- Issue #26268: Update Windows builds to use OpenSSL 1.0.2f.
+
+- Issue #25136: Support Apple Xcode 7's new textual SDK stub libraries.
+
+- Issue #24324: Do not enable unreachable code warnings when using
+ gcc as the option does not work correctly in older versions of gcc
+ and has been silently removed as of gcc-4.5.
+
+Windows
+-------
+
+- Issue #27053: Updates make_zip.py to correctly generate library ZIP file.
+
+- Issue #26268: Update the prepare_ssl.py script to handle OpenSSL releases
+ that don't include the contents of the include directory (that is, 1.0.2e
+ and later).
+
+- Issue #26071: bdist_wininst created binaries fail to start and find
+ 32bit Python
+
+- Issue #26073: Update the list of magic numbers in launcher
+
+- Issue #26065: Excludes venv from library when generating embeddable
+ distro.
+
+Tools/Demos
+-----------
+
+- Issue #26799: Fix python-gdb.py: don't get C types once when the Python code
+ is loaded, but get C types on demand. The C types can change if
+ python-gdb.py is loaded before the Python executable. Patch written by Thomas
+ Ilsche.
+
+- Issue #26271: Fix the Freeze tool to properly use flags passed through
+ configure. Patch by Daniel Shaulov.
+
+- Issue #26489: Add dictionary unpacking support to Tools/parser/unparse.py.
+ Patch by Guo Ci Teo.
+
+- Issue #26316: Fix variable name typo in Argument Clinic.
+
+Misc
+----
+
+- Issue #17500, and https://github.com/python/pythondotorg/issues/945: Remove
+ unused and outdated icons.
+
+
What's New in Python 3.5.1 final?
=================================
@@ -4422,6 +5872,9 @@
Documentation
-------------
+- Issue #22558: Add remaining doc links to source code for Python-coded modules.
+ Patch by Yoni Lavi.
+
- Issue #12067: Rewrite Comparisons section in the Expressions chapter of the
language reference. Some of the details of comparing mixed types were
incorrect or ambiguous. NotImplemented is only relevant at a lower level
@@ -4751,6 +6204,12 @@
- Issue #24631: Fixed regression in the timeit module with multiline setup.
+- Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely.
+ Patch from Nicola Palumbo and Laurent De Buyst.
+
+- Issue #23661: unittest.mock side_effects can now be exceptions again. This
+ was a regression vs Python 3.4. Patch from Ignacio Rossi
+
- Issue #24608: chunk.Chunk.read() now always returns bytes, not str.
- Issue #18684: Fixed reading out of the buffer in the re module.
@@ -4761,9 +6220,6 @@
- Issue #15014: SMTP.auth() and SMTP.login() now support RFC 4954's optional
initial-response argument to the SMTP AUTH command.
-- Issue #6549: Remove hyphen from ttk.Style().element options. Only return result
- from ttk.Style().configure if a result was generated or a query submitted.
-
- Issue #24669: Fix inspect.getsource() for 'async def' functions.
Patch by Kai Groner.
@@ -4775,6 +6231,7 @@
- Issue #24603: Update Windows builds and OS X 10.5 installer to use OpenSSL
1.0.2d.
+
What's New in Python 3.5.0 beta 3?
==================================
@@ -4935,9 +6392,6 @@
- Issue #24268: PEP 489: Multi-phase extension module initialization.
Patch by Petr Viktorin.
-- Issue #23359: Optimize set object internals by specializing the
- hash table search into a lookup function and an insert function.
-
- Issue #23955: Add pyvenv.cfg option to suppress registry/environment
lookup for generating sys.path on Windows.
@@ -5058,8 +6512,8 @@
- Issue #1322: platform.dist() and platform.linux_distribution() functions are
now deprecated. Initial patch by Vajrasky Kok.
-- Issue #22486: Added the math.gcd() function. The fractions.gcd() function now is
- deprecated. Based on patch by Mark Dickinson.
+- Issue #22486: Added the math.gcd() function. The fractions.gcd() function
+ now is deprecated. Based on patch by Mark Dickinson.
- Issue #24064: Property() docstrings are now writeable.
(Patch by Berker Peksag.)
@@ -5480,8 +6934,8 @@
writer failed in BufferedRWPair.close().
- Issue #23622: Unknown escapes in regular expressions that consist of ``'\'``
- and an ASCII letter now raise a deprecation warning and will be forbidden
- in Python 3.6.
+ and ASCII letter now raise a deprecation warning and will be forbidden in
+ Python 3.6.
- Issue #23671: string.Template now allows specifying the "self" parameter as
a keyword argument. string.Formatter now allows specifying the "self" and
--
Repository URL: https://hg.python.org/cpython
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