From 066a2146989ad0fd37fc919002806a925c6848f7 Mon Sep 17 00:00:00 2001 From: Ned Deily Date: Mon, 12 Sep 2016 17:29:04 -0400 Subject: Bump to 3.7.0a0 --- Misc/HISTORY | 4301 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Misc/NEWS | 4303 +--------------------------------------------------------- 2 files changed, 4303 insertions(+), 4301 deletions(-) (limited to 'Misc') diff --git a/Misc/HISTORY b/Misc/HISTORY index 73fb1d3c9f..51f6924aa0 100644 --- a/Misc/HISTORY +++ b/Misc/HISTORY @@ -8,6 +8,4307 @@ As you read on you go back to the dark ages of Python's history. ====================================================================== +What's New in Python 3.4.0? +=========================== + +Release date: 2014-03-16 + +Library +------- + +- Issue #20939: Fix test_geturl failure in test_urllibnet due to + new redirect of http://www.python.org/ to https://www.python.org. + +Documentation +------------- + +- Merge in all documentation changes since branching 3.4.0rc1. + + +What's New in Python 3.4.0 release candidate 3? +=============================================== + +Release date: 2014-03-09 + +Core and Builtins +----------------- + +- Issue #20786: Fix signatures for dict.__delitem__ and + property.__delete__ builtins. + +Library +------- + +- Issue #20839: Don't trigger a DeprecationWarning in the still supported + pkgutil.get_loader() API when __loader__ isn't set on a module (nor + when pkgutil.find_loader() is called directly). + +Build +----- + +- Issue #14512: Launch pydoc -b instead of pydocgui.pyw on Windows. + +- Issue #20748: Uninstalling pip does not leave behind the pyc of + the uninstaller anymore. + +- Issue #20568: The Windows installer now installs the unversioned ``pip`` + command in addition to the versioned ``pip3`` and ``pip3.4`` commands. + +- Issue #20757: The ensurepip helper for the Windows uninstaller now skips + uninstalling pip (rather than failing) if the user has updated pip to a + different version from the one bundled with ensurepip. + +- Issue #20465: Update OS X and Windows installer builds to use + SQLite 3.8.3.1. + + +What's New in Python 3.4.0 release candidate 2? +=============================================== + +Release date: 2014-02-23 + +Core and Builtins +----------------- + +- Issue #20625: Parameter names in __annotations__ were not mangled properly. + Discovered by Jonas Wielicki, patch by Yury Selivanov. + +- Issue #20261: In pickle, lookup __getnewargs__ and __getnewargs_ex__ on the + type of the object. + +- Issue #20619: Give the AST nodes of keyword-only arguments a column and line + number. + +- Issue #20526: Revert changes of issue #19466 which introduces a regression: + don't clear anymore the state of Python threads early during the Python + shutdown. + +Library +------- + +- Issue #20710: The pydoc summary line no longer displays the "self" parameter + for bound methods. + +- Issue #20566: Change asyncio.as_completed() to use a Queue, to + avoid O(N**2) behavior. + +- Issue #20704: Implement new debug API in asyncio. Add new methods + BaseEventLoop.set_debug() and BaseEventLoop.get_debug(). + Add support for setting 'asyncio.tasks._DEBUG' variable with + 'PYTHONASYNCIODEBUG' environment variable. + +- asyncio: Refactoring and fixes: BaseEventLoop.sock_connect() raises an + error if the address is not resolved; use __slots__ in Handle and + TimerHandle; as_completed() and wait() raise TypeError if the passed + list of Futures is a single Future; call_soon() and other 'call_*()' + functions raise TypeError if the passed callback is a coroutine + function; _ProactorBasePipeTransport uses _FlowControlMixin; + WriteTransport.set_write_buffer_size() calls _maybe_pause_protocol() + to consider pausing receiving if the watermark limits have changed; + fix _check_resolved_address() for IPv6 address; and other minor + improvements, along with multiple documentation updates. + +- Issue #20684: Fix inspect.getfullargspec() to not to follow __wrapped__ + chains. Make its behaviour consistent with bound methods first argument. + Patch by Nick Coghlan and Yury Selivanov. + +- Issue #20681: Add new error handling API in asyncio. New APIs: + loop.set_exception_handler(), loop.default_exception_handler(), and + loop.call_exception_handler(). + +- Issue #20673: Implement support for UNIX Domain Sockets in asyncio. + New APIs: loop.create_unix_connection(), loop.create_unix_server(), + streams.open_unix_connection(), and streams.start_unix_server(). + +- Issue #20616: Add a format() method to tracemalloc.Traceback. + +- Issue #19744: the ensurepip installation step now just prints a warning to + stderr rather than failing outright if SSL/TLS is unavailable. This allows + local installation of POSIX builds without SSL/TLS support. + +- Issue #20594: Avoid name clash with the libc function posix_close. + +Build +----- + +- Issue #20641: Run MSI custom actions (pip installation, pyc compilation) + with the NoImpersonate flag, to support elevated execution (UAC). + +- Issue #20221: Removed conflicting (or circular) hypot definition when + compiled with VS 2010 or above. Initial patch by Tabrez Mohammed. + +- Issue #20609: Restored the ability to build 64-bit Windows binaries on + 32-bit Windows, which was broken by the change in issue #19788. + + +What's New in Python 3.4.0 release candidate 1? +=============================================== + +Release date: 2014-02-10 + +Core and Builtins +----------------- + +- Issue #19255: The builtins module is restored to initial value before + cleaning other modules. The sys and builtins modules are cleaned last. + +- Issue #20588: Make Python-ast.c C89 compliant. + +- Issue #20437: Fixed 22 potential bugs when deleting object references. + +- Issue #20500: Displaying an exception at interpreter shutdown no longer + risks triggering an assertion failure in PyObject_Str. + +- Issue #20538: UTF-7 incremental decoder produced inconsistent string when + input was truncated in BASE64 section. + +- Issue #20404: io.TextIOWrapper (and hence the open() builtin) now uses the + internal codec marking system added for issue #19619 to throw LookupError + for known non-text encodings at stream construction time. The existing + output type checks remain in place to deal with unmarked third party + codecs. + +- Issue #17162: Add PyType_GetSlot. + +- Issue #20162: Fix an alignment issue in the siphash24() hash function which + caused a crash on PowerPC 64-bit (ppc64). + +Library +------- + +- Issue #20530: The signatures for slot builtins have been updated + to reflect the fact that they only accept positional-only arguments. + +- Issue #20517: Functions in the os module that accept two filenames + now register both filenames in the exception on failure. + +- Issue #20563: The ipaddress module API is now considered stable. + +- Issue #14983: email.generator now always adds a line end after each MIME + boundary marker, instead of doing so only when there is an epilogue. This + fixes an RFC compliance bug and solves an issue with signed MIME parts. + +- Issue #20540: Fix a performance regression (vs. Python 3.2) when layering + a multiprocessing Connection over a TCP socket. For small payloads, Nagle's + algorithm would introduce idle delays before the entire transmission of a + message. + +- Issue #16983: the new email header parsing code will now decode encoded words + that are (incorrectly) surrounded by quotes, and register a defect. + +- Issue #19772: email.generator no longer mutates the message object when + doing a down-transform from 8bit to 7bit CTEs. + +- Issue #20536: the statistics module now correctly handle Decimal instances + with positive exponents + +- Issue #18805: the netmask/hostmask parsing in ipaddress now more reliably + filters out illegal values and correctly allows any valid prefix length. + +- Issue #20481: For at least Python 3.4, the statistics module will require + that all inputs for a single operation be of a single consistent type, or + else a mixed of ints and a single other consistent type. This avoids + some interoperability issues that arose with the previous approach of + coercing to a suitable common type. + +- Issue #20478: the statistics module now treats collections.Counter inputs + like any other iterable. + +- Issue #17369: get_filename was raising an exception if the filename + parameter's RFC2231 encoding was broken in certain ways. This was + a regression relative to python2. + +- Issue #20013: Some imap servers disconnect if the current mailbox is + deleted, and imaplib did not handle that case gracefully. Now it + handles the 'bye' correctly. + +- Issue #20531: Revert 3.4 version of fix for #19063, and apply the 3.3 + version. That is, do *not* raise an error if unicode is passed to + email.message.Message.set_payload. + +- Issue #20476: If a non-compat32 policy is used with any of the email parsers, + EmailMessage is now used as the factory class. The factory class should + really come from the policy; that will get fixed in 3.5. + +- Issue #19920: TarFile.list() no longer fails when outputs a listing + containing non-encodable characters. Based on patch by Vajrasky Kok. + +- Issue #20515: Fix NULL pointer dereference introduced by issue #20368. + +- Issue #19186: Restore namespacing of expat symbols inside the pyexpat module. + +- Issue #20053: ensurepip (and hence venv) are no longer affected by the + settings in the default pip configuration file. + +- Issue #20426: When passing the re.DEBUG flag, re.compile() displays the + debug output every time it is called, regardless of the compilation cache. + +- Issue #20368: The null character now correctly passed from Tcl to Python. + Improved error handling in variables-related commands. + +- Issue #20435: Fix _pyio.StringIO.getvalue() to take into account newline + translation settings. + +- tracemalloc: Fix slicing traces and fix slicing a traceback. + +- Issue #20354: Fix an alignment issue in the tracemalloc module on 64-bit + platforms. Bug seen on 64-bit Linux when using "make profile-opt". + +- Issue #17159: inspect.signature now accepts duck types of functions, + which adds support for Cython functions. Initial patch by Stefan Behnel. + +- Issue #18801: Fix inspect.classify_class_attrs to correctly classify + object.__new__ and object.__init__. + +- Fixed cmath.isinf's name in its argument parsing code. + +- Issue #20311, #20452: poll and epoll now round the timeout away from zero, + instead of rounding towards zero, in select and selectors modules: + select.epoll.poll(), selectors.PollSelector.poll() and + selectors.EpollSelector.poll(). For example, a timeout of one microsecond + (1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to + zero. However, the granularity property and asyncio's resolution feature + were removed again. + +- asyncio: Some refactoring; various fixes; add write flow control to + unix pipes; Future.set_exception() instantiates the exception + argument if it is a class; improved proactor pipe transport; support + wait_for(f, None); don't log broken/disconnected pipes; use + ValueError instead of assert for forbidden subprocess_{shell,exec} + arguments; added a convenience API for subprocess management; added + StreamReader.at_eof(); properly handle duplicate coroutines/futures + in gather(), wait(), as_completed(); use a bytearray for buffering + in StreamReader; and more. + +- Issue #20288: fix handling of invalid numeric charrefs in HTMLParser. + +- Issue #20424: Python implementation of io.StringIO now supports lone surrogates. + +- Issue #20308: inspect.signature now works on classes without user-defined + __init__ or __new__ methods. + +- Issue #20372: inspect.getfile (and a bunch of other inspect functions that + use it) doesn't crash with unexpected AttributeError on classes defined in C + without __module__. + +- Issue #20356: inspect.signature formatting uses '/' to separate + positional-only parameters from others. + +- Issue #20223: inspect.signature now supports methods defined with + functools.partialmethods. + +- Issue #19456: ntpath.join() now joins relative paths correctly when a drive + is present. + +- Issue #19077: tempfile.TemporaryDirectory cleanup no longer fails when + called during shutdown. Emitting resource warning in __del__ no longer fails. + Original patch by Antoine Pitrou. + +- Issue #20394: Silence Coverity warning in audioop module. + +- Issue #20367: Fix behavior of concurrent.futures.as_completed() for + duplicate arguments. Patch by Glenn Langford. + +- Issue #8260: The read(), readline() and readlines() methods of + codecs.StreamReader returned incomplete data when were called after + readline() or read(size). Based on patch by Amaury Forgeot d'Arc. + +- Issue #20105: the codec exception chaining now correctly sets the + traceback of the original exception as its __traceback__ attribute. + +- Issue #17481: inspect.getfullargspec() now uses inspect.signature() API. + +- Issue #15304: concurrent.futures.wait() can block forever even if + Futures have completed. Patch by Glenn Langford. + +- Issue #14455: plistlib: fix serializing integers in the range + of an unsigned long long but outside of the range of signed long long for + binary plist files. + +IDLE +---- + +- Issue #20406: Use Python application icons for Idle window title bars. + Patch mostly by Serhiy Storchaka. + +- Update the python.gif icon for the Idle classbrowser and pathbowser + from the old green snake to the new blue and yellow snakes. + +- Issue #17721: Remove non-functional configuration dialog help button until we + make it actually gives some help when clicked. Patch by Guilherme Simões. + +Tests +----- + +- Issue #20532: Tests which use _testcapi now are marked as CPython only. + +- Issue #19920: Added tests for TarFile.list(). Based on patch by Vajrasky Kok. + +- Issue #19990: Added tests for the imghdr module. Based on patch by + Claudiu Popa. + +- Issue #20474: Fix test_socket "unexpected success" failures on OS X 10.7+. + +Tools/Demos +----------- + +- Issue #20530: Argument Clinic's signature format has been revised again. + The new syntax is highly human readable while still preventing false + positives. The syntax also extends Python syntax to denote "self" and + positional-only parameters, allowing inspect.Signature objects to be + totally accurate for all supported builtins in Python 3.4. + +- Issue #20456: Argument Clinic now observes the C preprocessor conditional + compilation statements of the C files it parses. When a Clinic block is + inside a conditional code, it adjusts its output to match, including + automatically generating an empty methoddef macro. + +- Issue #20456: Cloned functions in Argument Clinic now use the correct + name, not the name of the function they were cloned from, for text + strings inside generated code. + +- Issue #20456: Fixed Argument Clinic's test suite and "--converters" feature. + +- Issue #20456: Argument Clinic now allows specifying different names + for a parameter in Python and C, using "as" on the parameter line. + +- Issue #20326: Argument Clinic now uses a simple, unique signature to + annotate text signatures in docstrings, resulting in fewer false + positives. "self" parameters are also explicitly marked, allowing + inspect.Signature() to authoritatively detect (and skip) said parameters. + +- Issue #20326: Argument Clinic now generates separate checksums for the + input and output sections of the block, allowing external tools to verify + that the input has not changed (and thus the output is not out-of-date). + +Build +----- + +- Issue #20465: Update SQLite shipped with OS X installer to 3.8.3. + +C-API +----- + +- Issue #20517: Added new functions allowing OSError exceptions to reference + two filenames instead of one: PyErr_SetFromErrnoWithFilenameObjects() and + PyErr_SetExcFromWindowsErrWithFilenameObjects(). + +Documentation +------------- + +- Issue #20488: Change wording to say importlib is *the* implementation of + import instead of just *an* implementation. + +- Issue #6386: Clarify in the tutorial that specifying a symlink to execute + means the directory containing the executed script and not the symlink is + added to sys.path. + + +What's New in Python 3.4.0 Beta 3? +================================== + +Release date: 2014-01-26 + +Core and Builtins +----------------- + +- Issue #20189: Four additional builtin types (PyTypeObject, + PyMethodDescr_Type, _PyMethodWrapper_Type, and PyWrapperDescr_Type) + have been modified to provide introspection information for builtins. + +- Issue #17825: Cursor "^" is correctly positioned for SyntaxError and + IndentationError. + +- Issue #2382: SyntaxError cursor "^" is now written at correct position in most + cases when multibyte characters are in line (before "^"). This still not + works correctly with wide East Asian characters. + +- Issue #18960: The first line of Python script could be executed twice when + the source encoding was specified on the second line. Now the source encoding + declaration on the second line isn't effective if the first line contains + anything except a comment. 'python -x' works now again with files with the + source encoding declarations, and can be used to make Python batch files + on Windows. + +Library +------- + +- asyncio: Various improvements and small changes not all covered by + issues listed below. E.g. wait_for() now cancels the inner task if + the timeout occcurs; tweaked the set of exported symbols; renamed + Empty/Full to QueueEmpty/QueueFull; "with (yield from lock)" now + uses a separate context manager; readexactly() raises if not enough + data was read; PTY support tweaks. + +- Issue #20311: asyncio: Add a granularity attribute to BaseEventLoop: maximum + between the resolution of the BaseEventLoop.time() method and the resolution + of the selector. The granuarility is used in the scheduler to round time and + deadline. + +- Issue #20311: selectors: Add a resolution attribute to BaseSelector. + +- Issue #20189: unittest.mock now no longer assumes that any object for + which it could get an inspect.Signature is a callable written in Python. + Fix courtesy of Michael Foord. + +- Issue #20317: ExitStack.__exit__ could create a self-referential loop if an + exception raised by a cleanup operation already had its context set + correctly (for example, by the @contextmanager decorator). The infinite + loop this caused is now avoided by checking if the expected context is + already set before trying to fix it. + +- Issue #20374: Fix build with GNU readline >= 6.3. + +- Issue #20262: Warnings are raised now when duplicate names are added in the + ZIP file or too long ZIP file comment is truncated. + +- Issue #20165: The unittest module no longer considers tests marked with + @expectedFailure successful if they pass. + +- Issue #18574: Added missing newline in 100-Continue reply from + http.server.BaseHTTPRequestHandler. Patch by Nikolaus Rath. + +- Issue #20270: urllib.urlparse now supports empty ports. + +- Issue #20243: TarFile no longer raise ReadError when opened in write mode. + +- Issue #20238: TarFile opened with external fileobj and "w:gz" mode didn't + write complete output on close. + +- Issue #20245: The open functions in the tarfile module now correctly handle + empty mode. + +- Issue #20242: Fixed basicConfig() format strings for the alternative + formatting styles. Thanks to kespindler for the bug report and patch. + +- Issue #20246: Fix buffer overflow in socket.recvfrom_into. + +- Issues #20206 and #5803: Fix edge case in email.quoprimime.encode where it + truncated lines ending in a character needing encoding but no newline by + using a more efficient algorithm that doesn't have the bug. + +- Issue #19082: Working xmlrpc.server and xmlrpc.client examples. Both in + modules and in documentation. Initial patch contributed by Vajrasky Kok. + +- Issue #20138: The wsgiref.application_uri() and wsgiref.request_uri() + functions now conform to PEP 3333 when handle non-ASCII URLs. + +- Issue #19097: Raise the correct Exception when cgi.FieldStorage is given an + invalid fileobj. + +- Issue #20152: Ported Python/import.c over to Argument Clinic. + +- Issue #13107: argparse and optparse no longer raises an exception when output + a help on environment with too small COLUMNS. Based on patch by + Elazar Gershuni. + +- Issue #20207: Always disable SSLv2 except when PROTOCOL_SSLv2 is explicitly + asked for. + +- Issue #18960: The tokenize module now ignore the source encoding declaration + on the second line if the first line contains anything except a comment. + +- Issue #20078: Reading malformed zipfiles no longer hangs with 100% CPU + consumption. + +- Issue #20113: os.readv() and os.writev() now raise an OSError exception on + error instead of returning -1. + +- Issue #19719: Make importlib.abc.MetaPathFinder.find_module(), + PathEntryFinder.find_loader(), and Loader.load_module() use PEP 451 APIs to + help with backwards-compatibility. + +- Issue #20144: inspect.Signature now supports parsing simple symbolic + constants as parameter default values in __text_signature__. + +- Issue #20072: Fixed multiple errors in tkinter with wantobjects is False. + +- Issue #20229: Avoid plistlib deprecation warning in platform.mac_ver(). + +- Issue #14455: Fix some problems with the new binary plist support in plistlib. + +IDLE +---- + +- Issue #17390: Add Python version to Idle editor window title bar. + Original patches by Edmond Burnett and Kent Johnson. + +- Issue #18960: IDLE now ignores the source encoding declaration on the second + line if the first line contains anything except a comment. + +Tests +----- + +- Issue #20358: Tests for curses.window.overlay and curses.window.overwrite + no longer specify min{row,col} > max{row,col}. + +- Issue #19804: The test_find_mac test in test_uuid is now skipped if the + ifconfig executable is not available. + +- Issue #19886: Use better estimated memory requirements for bigmem tests. + +Tools/Demos +----------- + +- Issue #20390: Argument Clinic's "file" output preset now defaults to + "{dirname}/clinic/{basename}.h". + +- Issue #20390: Argument Clinic's "class" directive syntax has been extended + with two new required arguments: "typedef" and "type_object". + +- Issue #20390: Argument Clinic: If __new__ or __init__ functions didn't use + kwargs (or args), the PyArg_NoKeywords (or PyArg_NoPositional) calls + generated are only run when the type object is an exact match. + +- Issue #20390: Argument Clinic now fails if you have required parameters after + optional parameters. + +- Issue #20390: Argument Clinic converters now have a new template they can + inject code into: "modifiers". Code put there is run in the parsing + function after argument parsing but before the call to the impl. + +- Issue #20376: Argument Clinic now escapes backslashes in docstrings. + +- Issue #20381: Argument Clinic now sanity checks the default argument when + c_default is also specified, providing a nice failure message for + disallowed values. + +- Issue #20189: Argument Clinic now ensures that parser functions for + __new__ are always of type newfunc, the type of the tp_new slot. + Similarly, parser functions for __init__ are now always of type initproc, + the type of tp_init. + +- Issue #20189: Argument Clinic now suppresses the docstring for __new__ + and __init__ functions if no docstring is provided in the input. + +- Issue #20189: Argument Clinic now suppresses the "self" parameter in the + impl for @staticmethod functions. + +- Issue #20294: Argument Clinic now supports argument parsing for __new__ and + __init__ functions. + +- Issue #20299: Argument Clinic custom converters may now change the default + value of c_default and py_default with a class member. + +- Issue #20287: Argument Clinic's output is now configurable, allowing + delaying its output or even redirecting it to a separate file. + +- Issue #20226: Argument Clinic now permits simple expressions + (e.g. "sys.maxsize - 1") as default values for parameters. + +- Issue #19936: Added executable bits or shebang lines to Python scripts which + requires them. Disable executable bits and shebang lines in test and + benchmark files in order to prevent using a random system python, and in + source files of modules which don't provide command line interface. Fixed + shebang lines in the unittestgui and checkpip scripts. + +- Issue #20268: Argument Clinic now supports cloning the parameters and + return converter of existing functions. + +- Issue #20228: Argument Clinic now has special support for class special + methods. + +- Issue #20214: Fixed a number of small issues and documentation errors in + Argument Clinic (see issue for details). + +- Issue #20196: Fixed a bug where Argument Clinic did not generate correct + parsing code for functions with positional-only parameters where all arguments + are optional. + +- Issue #18960: 2to3 and the findnocoding.py script now ignore the source + encoding declaration on the second line if the first line contains anything + except a comment. + +- Issue #19723: The marker comments Argument Clinic uses have been changed + to improve readability. + +- Issue #20157: When Argument Clinic renames a parameter because its name + collides with a C keyword, it no longer exposes that rename to PyArg_Parse. + +- Issue #20141: Improved Argument Clinic's support for the PyArg_Parse "O!" + format unit. + +- Issue #20144: Argument Clinic now supports simple symbolic constants + as parameter default values. + +- Issue #20143: The line numbers reported in Argument Clinic errors are + now more accurate. + +- Issue #20142: Py_buffer variables generated by Argument Clinic are now + initialized with a default value. + +Build +----- + +- Issue #12837: Silence a tautological comparison warning on OS X under Clang in + socketmodule.c. + + +What's New in Python 3.4.0 Beta 2? +================================== + +Release date: 2014-01-05 + +Core and Builtins +----------------- + +- Issue #17432: Drop UCS2 from names of Unicode functions in python3.def. + +- Issue #19526: Exclude all new API from the stable ABI. Exceptions can be + made if a need is demonstrated. + +- Issue #19969: PyBytes_FromFormatV() now raises an OverflowError if "%c" + argument is not in range [0; 255]. + +- Issue #19995: %c, %o, %x, and %X now issue a DeprecationWarning on non-integer + input; reworded docs to clarify that an integer type should define both __int__ + and __index__. + +- Issue #19787: PyThread_set_key_value() now always set the value. In Python + 3.3, the function did nothing if the key already exists (if the current value + is a non-NULL pointer). + +- Issue #14432: Remove the thread state field from the frame structure. Fix a + crash when a generator is created in a C thread that is destroyed while the + generator is still used. The issue was that a generator contains a frame, and + the frame kept a reference to the Python state of the destroyed C thread. The + crash occurs when a trace function is setup. + +- Issue #19576: PyGILState_Ensure() now initializes threads. At startup, Python + has no concrete GIL. If PyGILState_Ensure() is called from a new thread for + the first time and PyEval_InitThreads() was not called yet, a GIL needs to be + created. + +- Issue #17576: Deprecation warning emitted now when __int__() or __index__() + return not int instance. + +- Issue #19932: Fix typo in import.h, missing whitespaces in function prototypes. + +- Issue #19736: Add module-level statvfs constants defined for GNU/glibc + based systems. + +- Issue #20097: Fix bad use of "self" in importlib's WindowsRegistryFinder. + +- Issue #19729: In str.format(), fix recursive expansion in format spec. + +- Issue #19638: Fix possible crash / undefined behaviour from huge (more than 2 + billion characters) input strings in _Py_dg_strtod. + +Library +------- + +- Issue #20154: Deadlock in asyncio.StreamReader.readexactly(). + +- Issue #16113: Remove sha3 module again. + +- Issue #20111: pathlib.Path.with_suffix() now sanity checks the given suffix. + +- Fix breakage in TestSuite.countTestCases() introduced by issue #11798. + +- Issue #20108: Avoid parameter name clash in inspect.getcallargs(). + +- Issue #19918: Fix PurePath.relative_to() under Windows. + +- Issue #19422: Explicitly disallow non-SOCK_STREAM sockets in the ssl + module, rather than silently let them emit clear text data. + +- Issue #20046: Locale alias table no longer contains entities which can be + calculated. Generalized support of the euro modifier. + +- Issue #20027: Fixed locale aliases for devanagari locales. + +- Issue #20067: Tkinter variables now work when wantobjects is false. + +- Issue #19020: Tkinter now uses splitlist() instead of split() in configure + methods. + +- Issue #19744: ensurepip now provides a better error message when Python is + built without SSL/TLS support (pip currently requires that support to run, + even if only operating with local wheel files) + +- Issue #19734: ensurepip now ignores all pip environment variables to avoid + odd behaviour based on user configuration settings + +- Fix TypeError on "setup.py upload --show-response". + +- Issue #20045: Fix "setup.py register --list-classifiers". + +- Issue #18879: When a method is looked up on a temporary file, avoid closing + the file before the method is possibly called. + +- Issue #20037: Avoid crashes when opening a text file late at interpreter + shutdown. + +- Issue #19967: Thanks to the PEP 442, asyncio.Future now uses a + destructor to log uncaught exceptions, instead of the dedicated + _TracebackLogger class. + +- Added a Task.current_task() class method to asyncio. + +- Issue #19850: Set SA_RESTART in asyncio when registering a signal + handler to limit EINTR occurrences. + +- Implemented write flow control in asyncio for proactor event loop (Windows). + +- Change write buffer in asyncio use to avoid O(N**2) behavior. Make + write()/sendto() accept bytearray/memoryview. + +- Issue #20034: Updated alias mapping to most recent locale.alias file + from X.org distribution using makelocalealias.py. + +- Issue #5815: Fixed support for locales with modifiers. Fixed support for + locale encodings with hyphens. + +- Issue #20026: Fix the sqlite module to handle correctly invalid isolation + level (wrong type). + +- Issue #18829: csv.Dialect() now checks type for delimiter, escapechar and + quotechar fields. Original patch by Vajrasky Kok. + +- Issue #19855: uuid.getnode() on Unix now looks on the PATH for the + executables used to find the mac address, with /sbin and /usr/sbin as + fallbacks. + +- Issue #20007: HTTPResponse.read(0) no more prematurely closes connection. + Original patch by Simon Sapin. + +- Issue #19946: multiprocessing now uses runpy to initialize __main__ in + child processes when necessary, allowing it to correctly handle scripts + without suffixes and submodules that use explicit relative imports or + otherwise rely on parent modules being correctly imported prior to + execution. + +- Issue #19921: When Path.mkdir() is called with parents=True, any missing + parent is created with the default permissions, ignoring the mode argument + (mimicking the POSIX "mkdir -p" command). + +- Issue #19887: Improve the Path.resolve() algorithm to support certain + symlink chains. + +- Issue #19912: Fixed numerous bugs in ntpath.splitunc(). + +- Issue #19911: ntpath.splitdrive() now correctly processes the 'İ' character + (U+0130, LATIN CAPITAL LETTER I WITH DOT ABOVE). + +- Issue #19532: python -m compileall with no filename/directory arguments now + respects the -f and -q flags instead of ignoring them. + +- Issue #19623: Fixed writing to unseekable files in the aifc module. + +- Issue #19946: multiprocessing.spawn now raises ImportError when the module to + be used as the main module cannot be imported. + +- Issue #17919: select.poll.register() again works with poll.POLLNVAL on AIX. + Fixed integer overflow in the eventmask parameter. + +- Issue #19063: if a Charset's body_encoding was set to None, the email + package would generate a message claiming the Content-Transfer-Encoding + was 7bit, and produce garbage output for the content. This now works. + A couple of other set_payload mishandlings of non-ASCII are also fixed. + In addition, calling set_payload with a string argument without + specifying a charset now raises an error (this is a new error in 3.4). + +- Issue #15475: Add __sizeof__ implementations for itertools objects. + +- Issue #19944: Fix importlib.find_spec() so it imports parents as needed + and move the function to importlib.util. + +- Issue #19880: Fix a reference leak in unittest.TestCase. Explicitly break + reference cycles between frames and the _Outcome instance. + +- Issue #17429: platform.linux_distribution() now decodes files from the UTF-8 + encoding with the surrogateescape error handler, instead of decoding from the + locale encoding in strict mode. It fixes the function on Fedora 19 which is + probably the first major distribution release with a non-ASCII name. Patch + written by Toshio Kuratomi. + +- Issue #19343: Expose FreeBSD-specific APIs in resource module. Original + patch by Koobs. + +- Issue #19929: Call os.read with 32768 within subprocess.Popen.communicate + rather than 4096 for efficiency. A microbenchmark shows Linux and OS X + both using ~50% less cpu time this way. + +- Issue #19506: Use a memoryview to avoid a data copy when piping data + to stdin within subprocess.Popen.communicate. 5-10% less cpu usage. + +- Issue #19876: selectors unregister() no longer raises ValueError or OSError + if the FD is closed (as long as it was registered). + +- Issue #19908: pathlib now joins relative Windows paths correctly when a drive + is present. Original patch by Antoine Pitrou. + +- Issue #19296: Silence compiler warning in dbm_open + +- Issue #6784: Strings from Python 2 can now be unpickled as bytes + objects by setting the encoding argument of Unpickler to be 'bytes'. + Initial patch by Merlijn van Deen. + +- Issue #19839: Fix regression in bz2 module's handling of non-bzip2 data at + EOF, and analogous bug in lzma module. + +- Issue #19881: Fix pickling bug where cpickle would emit bad pickle data for + large bytes string (i.e., with size greater than 2**32-1). + +- Issue #19138: doctest's IGNORE_EXCEPTION_DETAIL now allows a match when + no exception detail exists (no colon following the exception's name, or + a colon does follow but no text follows the colon). + +- Issue #19927: Add __eq__ to path-based loaders in importlib. + +- Issue #19827: On UNIX, setblocking() and settimeout() methods of + socket.socket can now avoid a second syscall if the ioctl() function can be + used, or if the non-blocking flag of the socket is unchanged. + +- Issue #19785: smtplib now supports SSLContext.check_hostname and server name + indication for TLS/SSL connections. + +- Issue #19784: poplib now supports SSLContext.check_hostname and server name + indication for TLS/SSL connections. + +- Issue #19783: nntplib now supports SSLContext.check_hostname and server name + indication for TLS/SSL connections. + +- Issue #19782: imaplib now supports SSLContext.check_hostname and server name + indication for TLS/SSL connections. + +- Issue #20123: Fix pydoc.synopsis() for "binary" modules. + +- Issue #19834: Support unpickling of exceptions pickled by Python 2. + +- Issue #19781: ftplib now supports SSLContext.check_hostname and server name + indication for TLS/SSL connections. + +- Issue #19509: Add SSLContext.check_hostname to match the peer's certificate + with server_hostname on handshake. + +- Issue #15798: Fixed subprocess.Popen() to no longer fail if file + descriptor 0, 1 or 2 is closed. + +- Issue #17897: Optimized unpickle prefetching. + +- Issue #3693: Make the error message more helpful when the array.array() + constructor is given a str. Move the array module typecode documentation to + the docstring of the constructor. + +- Issue #19088: Fixed incorrect caching of the copyreg module in + object.__reduce__() and object.__reduce_ex__(). + +- Issue #19698: Removed exec_module() methods from + importlib.machinery.BuiltinImporter and ExtensionFileLoader. + +- Issue #18864: Added a setter for ModuleSpec.has_location. + +- Fixed _pickle.Unpickler to not fail when loading empty strings as + persistent IDs. + +- Issue #11480: Fixed copy.copy to work with classes with custom metaclasses. + Patch by Daniel Urban. + +- Issue #6477: Added support for pickling the types of built-in singletons + (i.e., Ellipsis, NotImplemented, None). + +- Issue #19713: Add remaining PEP 451-related deprecations and move away + from using find_module/find_loaer/load_module. + +- Issue #19708: Update pkgutil to use the new importer APIs. + +- Issue #19703: Update pydoc to use the new importer APIs. + +- Issue #19851: Fixed a regression in reloading sub-modules. + +- ssl.create_default_context() sets OP_NO_COMPRESSION to prevent CRIME. + +- Issue #19802: Add socket.SO_PRIORITY. + +- Issue #11508: Fixed uuid.getnode() and uuid.uuid1() on environment with + virtual interface. Original patch by Kent Frazier. + +- Issue #11489: JSON decoder now accepts lone surrogates. + +- Issue #19545: Avoid chained exceptions while passing stray % to + time.strptime(). Initial patch by Claudiu Popa. + +IDLE +---- + +- Issue #20058: sys.stdin.readline() in IDLE now always returns only one line. + +- Issue #19481: print() of string subclass instance in IDLE no longer hangs. + +- Issue #18270: Prevent possible IDLE AttributeError on OS X when no initial + shell window is present. + +Tests +----- + +- Issue #20055: Fix test_shutil under Windows with symlink privileges held. + Patch by Vajrasky Kok. + +- Issue #20070: Don't run test_urllib2net when network resources are not + enabled. + +- Issue #19938: Re-enabled test_bug_1333982 in test_dis, which had been + disabled since 3.0 due to the changes in listcomp handling. + +- Issue #19320: test_tcl no longer fails when wantobjects is false. + +- Issue #19919: Fix flaky SSL test. connect_ex() sometimes returns + EWOULDBLOCK on Windows or VMs hosted on Windows. + +- Issue #19912: Added tests for ntpath.splitunc(). + +- Issue #19828: Fixed test_site when the whole suite is run with -S. + +- Issue #19928: Implemented a test for repr() of cell objects. + +- Issue #19535: Fixed test_docxmlrpc, test_functools, test_inspect, and + test_statistics when python is run with -OO. + +- Issue #19926: Removed unneeded test_main from test_abstract_numbers. + Patch by Vajrasky Kok. + +- Issue #19572: More skipped tests explicitly marked as skipped. + +- Issue #19595, #19987: Re-enabled a long-disabled test in test_winsound. + +- Issue #19588: Fixed tests in test_random that were silently skipped most + of the time. Patch by Julian Gindi. + +Build +----- + +- Issue #19728: Enable pip installation by default on Windows. + +- Issue #16136: Remove VMS support + +- Issue #18215: Add script Tools/ssl/test_multiple_versions.py to compile and + run Python's unit tests with multiple versions of OpenSSL. + +- Issue #19922: define _INCLUDE__STDC_A1_SOURCE in HP-UX to include mbstate_t + for mbrtowc(). + +- Issue #19788: kill_python(_d).exe is now run as a PreBuildEvent on the + pythoncore sub-project. This should prevent build errors due a previous + build's python(_d).exe still running. + +Documentation +------------- + +- Issue #20265: Updated some parts of the Using Windows document. + +- Issue #20266: Updated some parts of the Windows FAQ. + +- Issue #20255: Updated the about and bugs pages. + +- Issue #20253: Fixed a typo in the ipaddress docs that advertised an + illegal attribute name. Found by INADA Naoki. + +- Issue #18840: Introduce the json module in the tutorial, and de-emphasize + the pickle module. + +- Issue #19845: Updated the Compiling Python on Windows section. + +- Issue #19795: Improved markup of True/False constants. + +Tools/Demos +----------- + +- Issue #19659: Added documentation for Argument Clinic. + +- Issue #19976: Argument Clinic METH_NOARGS functions now always + take two parameters. + + +What's New in Python 3.4.0 Beta 1? +================================== + +Release date: 2013-11-24 + +Core and Builtins +----------------- + +- Use the repr of a module name in more places in import, especially + exceptions. + +- Issue #19619: str.encode, bytes.decode and bytearray.decode now use an + internal API to throw LookupError for known non-text encodings, rather + than attempting the encoding or decoding operation and then throwing a + TypeError for an unexpected output type. (The latter mechanism remains + in place for third party non-text encodings) + +- Issue #19183: Implement PEP 456 'secure and interchangeable hash algorithm'. + Python now uses SipHash24 on all major platforms. + +- Issue #12892: The utf-16* and utf-32* encoders no longer allow surrogate code + points (U+D800-U+DFFF) to be encoded. The utf-32* decoders no longer decode + byte sequences that correspond to surrogate code points. The surrogatepass + error handler now works with the utf-16* and utf-32* codecs. Based on + patches by Victor Stinner and Kang-Hao (Kenny) Lu. + +- Issue #17806: Added keyword-argument support for "tabsize" to + str/bytes.expandtabs(). + +- Issue #17828: Output type errors in str.encode(), bytes.decode() and + bytearray.decode() now direct users to codecs.encode() or codecs.decode() + as appropriate. + +- Issue #17828: The interpreter now attempts to chain errors that occur in + codec processing with a replacement exception of the same type that + includes the codec name in the error message. It ensures it only does this + 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. + +- Issue #19514: Deduplicate some _Py_IDENTIFIER declarations. + Patch by Andrei Dorian Duma. + +- Issue #17936: Fix O(n**2) behaviour when adding or removing many subclasses + of a given type. + +- Issue #19428: zipimport now handles errors when reading truncated or invalid + ZIP archive. + +- Issue #18408: Add a new PyFrame_FastToLocalsWithError() function to handle + exceptions when merging fast locals into f_locals of a frame. + PyEval_GetLocals() now raises an exception and return NULL on failure. + +- 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. + +- Issue #19306: Add extra hints to the faulthandler module's stack + dumps that these are "upside down". + +Library +------- + +- Issue #3158: doctest can now find doctests in functions and methods + written in C. + +- Issue #13477: Added command line interface to the tarfile module. + Original patch by Berker Peksag. + +- Issue #19674: inspect.signature() now produces a correct signature + for some builtins. + +- Issue #19722: Added opcode.stack_effect(), which + computes the stack effect of bytecode instructions. + +- Issue #19735: Implement private function ssl._create_stdlib_context() to + create SSLContext objects in Python's stdlib module. It provides a single + configuration point and makes use of SSLContext.load_default_certs(). + +- Issue #16203: Add re.fullmatch() function and regex.fullmatch() method, + which anchor the pattern at both ends of the string to match. + Original patch by Matthew Barnett. + +- Issue #13592: Improved the repr for regular expression pattern objects. + Based on patch by Hugo Lopes Tavares. + +- Issue #19641: Added the audioop.byteswap() function to convert big-endian + samples to little-endian and vice versa. + +- Issue #15204: Deprecated the 'U' mode in file-like objects. + +- Issue #17810: Implement PEP 3154, pickle protocol 4. + +- Issue #19668: Added support for the cp1125 encoding. + +- Issue #19689: Add ssl.create_default_context() factory function. It creates + a new SSLContext object with secure default settings. + +- Issue #19727: os.utime(..., None) is now potentially more precise + under Windows. + +- Issue #17201: ZIP64 extensions now are enabled by default. Patch by + William Mallard. + +- Issue #19292: Add SSLContext.load_default_certs() to load default root CA + certificates from default stores or system stores. By default the method + loads CA certs for authentication of server certs. + +- Issue #19673: Add pathlib to the stdlib as a provisional module (PEP 428). + +- Issue #16596: pdb in a generator now properly skips over yield and + yield from rather than stepping out of the generator into its + caller. (This is essential for stepping through asyncio coroutines.) + +- Issue #17916: Added dis.Bytecode.from_traceback() and + dis.Bytecode.current_offset to easily display "current instruction" + markers in the new disassembly API (Patch by Claudiu Popa). + +- Issue #19552: venv now supports bootstrapping pip into virtual environments + +- Issue #17134: Finalize interface to Windows' certificate store. Cert and + CRL enumeration are now two functions. enum_certificates() also returns + purpose flags as set of OIDs. + +- Issue #19555: Restore sysconfig.get_config_var('SO'), (and the distutils + equivalent) with a DeprecationWarning pointing people at $EXT_SUFFIX. + +- Issue #8813: Add SSLContext.verify_flags to change the verification flags + of the context in order to enable certification revocation list (CRL) + checks or strict X509 rules. + +- Issue #18294: Fix the zlib module to make it 64-bit safe. + +- Issue #19682: Fix compatibility issue with old version of OpenSSL that + was introduced by Issue #18379. + +- Issue #14455: plistlib now supports binary plists and has an updated API. + +- Issue #19633: Fixed writing not compressed 16- and 32-bit wave files on + big-endian platforms. + +- Issue #18379: SSLSocket.getpeercert() returns CA issuer AIA fields, OCSP + and CRL distribution points. + +- Issue #18138: Implement cadata argument of SSLContext.load_verify_location() + to load CA certificates and CRL from memory. It supports PEM and DER + encoded strings. + +- Issue #18775: Add name and block_size attribute to HMAC object. They now + provide the same API elements as non-keyed cryptographic hash functions. + +- Issue #17276: MD5 as default digestmod for HMAC is deprecated. The HMAC + module supports digestmod names, e.g. hmac.HMAC('sha1'). + +- Issue #19449: in csv's writerow, handle non-string keys when generating the + error message that certain keys are not in the 'fieldnames' list. + +- Issue #13633: Added a new convert_charrefs keyword arg to HTMLParser that, + when True, automatically converts all character references. + +- Issue #2927: Added the unescape() function to the html module. + +- Issue #8402: Added the escape() function to the glob module. + +- Issue #17618: Add Base85 and Ascii85 encoding/decoding to the base64 module. + +- Issue #19634: time.strftime("%y") now raises a ValueError on AIX when given a + year before 1900. + +- Fix test.support.bind_port() to not cause an error when Python was compiled + on a system with SO_REUSEPORT defined in the headers but run on a system + with an OS kernel that does not support that reasonably new socket option. + +- Fix compilation error under gcc of the ctypes module bundled libffi for arm. + +- 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 #8311: Added support for writing any bytes-like objects in the aifc, + sunau, and wave modules. + +- Issue #5202: Added support for unseekable files in the wave module. + +- Issue #19544 and Issue #1180: Restore global option to ignore + ~/.pydistutils.cfg in Distutils, accidentally removed in backout of + distutils2 changes. + +- Issue #19523: Closed FileHandler leak which occurred when delay was set. + +- Issue #19544 and Issue #6516: Restore support for --user and --group + parameters to sdist command accidentally rolled back as part of the + distutils2 rollback. + +- Issue #13674: Prevented time.strftime from crashing on Windows when given + a year before 1900 and a format of %y. + +- Issue #19406: implementation of the ensurepip module (part of PEP 453). + Patch by Donald Stufft and Nick Coghlan. + +- Issue #19544 and Issue #6286: Restore use of urllib over http allowing use + of http_proxy for Distutils upload command, a feature accidentally lost + in the rollback of distutils2. + +- Issue #19544 and Issue #7457: Restore the read_pkg_file method to + distutils.dist.DistributionMetadata accidentally removed in the undo of + distutils2. + +- Issue #16685: Added support for any bytes-like objects in the audioop module. + Removed support for strings. + +- Issue #7171: Add Windows implementation of ``inet_ntop`` and ``inet_pton`` + to socket module. Patch by Atsuo Ishimoto. + +- Issue #19261: Added support for writing 24-bit samples in the sunau module. + +- Issue #1097797: Added CP273 encoding, used on IBM mainframes in + Germany and Austria. Mapping provided by Michael Bierenfeld. + +- Issue #1575020: Fixed support of 24-bit wave files on big-endian platforms. + +- Issue #19378: Fixed a number of cases in the dis module where the new + "file" parameter was not being honoured correctly + +- Issue #19378: Removed the "dis.Bytecode.show_info" method + +- Issue #19378: Renamed the "dis.Bytecode.display_code" method to + "dis.Bytecode.dis" and converted it to returning a string rather than + printing output. + +- Issue #19378: the "line_offset" parameter in the new "dis.get_instructions" + API has been renamed to "first_line" (and the default value and usage + changed accordingly). This should reduce confusion with the more common use + of "offset" in the dis docs to refer to bytecode offsets. + +- Issue #18678: Corrected spwd struct member names in spwd module: + sp_nam->sp_namp, and sp_pwd->sp_pwdp. The old names are kept as extra + structseq members, for backward compatibility. + +- Issue #6157: Fixed tkinter.Text.debug(). tkinter.Text.bbox() now raises + TypeError instead of TclError on wrong number of arguments. Original patch + by Guilherme Polo. + +- Issue #10197: Rework subprocess.get[status]output to use subprocess + functionality and thus to work on Windows. Patch by Nick Coghlan + +- Issue #6160: The bbox() method of tkinter.Spinbox now returns a tuple of + integers instead of a string. Based on patch by Guilherme Polo. + +- Issue #19403: contextlib.redirect_stdout is now reentrant + +- Issue #19286: Directories in ``package_data`` are no longer added to + the filelist, preventing failure outlined in the ticket. + +- Issue #19480: HTMLParser now accepts all valid start-tag names as defined + by the HTML5 standard. + +- Issue #15114: The html.parser module now raises a DeprecationWarning when the + strict argument of HTMLParser or the HTMLParser.error method are used. + +- Issue #19410: Undo the special-casing removal of '' for + importlib.machinery.FileFinder. + +- Issue #19424: Fix the warnings module to accept filename containing surrogate + characters. + +- Issue #19435: Fix directory traversal attack on CGIHttpRequestHandler. + +- 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 + _hashopenssl.c + +- Issue #19329: Optimized compiling charsets in regular expressions. + +- Issue #19227: Try to fix deadlocks caused by re-seeding then OpenSSL + pseudo-random number generator on fork(). + +- Issue #16037: HTTPMessage.readheaders() raises an HTTPException when more than + 100 headers are read. Adapted from patch by Jyrki Pulliainen. + +- Issue #16040: CVE-2013-1752: nntplib: Limit maximum line lengths to 2048 to + prevent readline() calls from consuming too much memory. Patch by Jyrki + Pulliainen. + +- Issue #16041: CVE-2013-1752: poplib: Limit maximum line lengths to 2048 to + prevent readline() calls from consuming too much memory. Patch by Jyrki + Pulliainen. + +- Issue #17997: Change behavior of ``ssl.match_hostname()`` to follow RFC 6125, + for security reasons. It now doesn't match multiple wildcards nor wildcards + inside IDN fragments. + +- Issue #16039: CVE-2013-1752: Change use of readline in imaplib module to limit + line length. Patch by Emil Lind. + +- Issue #19330: the unnecessary wrapper functions have been removed from the + implementations of the new contextlib.redirect_stdout and + contextlib.suppress context managers, which also ensures they provide + reasonable help() output on instances + +- Issue #19393: Fix symtable.symtable function to not be confused when there are + functions or classes named "top". + +- Issue #18685: Restore re performance to pre-PEP 393 levels. + +- Issue #19339: telnetlib module is now using time.monotonic() when available + to compute timeout. + +- Issue #19399: fix sporadic test_subprocess failure. + +- Issue #13234: Fix os.listdir to work with extended paths on Windows. + Patch by Santoso Wijaya. + +- Issue #19375: The site module adding a "site-python" directory to sys.path, + if it exists, is now deprecated. + +- Issue #19379: Lazily import linecache in the warnings module, to make + startup with warnings faster until a warning gets printed. + +- Issue #19288: Fixed the "in" operator of dbm.gnu databases for string + argument. Original patch by Arfrever Frehtes Taifersar Arahesis. + +- Issue #19287: Fixed the "in" operator of dbm.ndbm databases for string + argument. Original patch by Arfrever Frehtes Taifersar Arahesis. + +- Issue #19327: Fixed the working of regular expressions with too big charset. + +- Issue #17400: New 'is_global' attribute for ipaddress to tell if an address + is allocated by IANA for global or private networks. + +- Issue #19350: Increasing the test coverage of macurl2path. Patch by Colin + Williams. + +- Issue #19365: Optimized the parsing of long replacement string in re.sub*() + functions. + +- Issue #19352: Fix unittest discovery when a module can be reached + through several paths (e.g. under Debian/Ubuntu with virtualenv). + +- Issue #15207: Fix mimetypes to read from correct part of Windows registry + Original patch by Dave Chambers + +- Issue #16595: Add prlimit() to resource module. + +- Issue #19324: Expose Linux-specific constants in resource module. + +- Load SSL's error strings in hashlib. + +- Issue #18527: Upgrade internal copy of zlib to 1.2.8. + +- Issue #19274: Add a filterfunc parameter to PyZipFile.writepy. + +- Issue #8964: fix platform._sys_version to handle IronPython 2.6+. + Patch by Martin Matusiak. + +- Issue #19413: Restore pre-3.3 reload() semantics of re-finding modules. + +- Issue #18958: Improve error message for json.load(s) while passing a string + that starts with a UTF-8 BOM. + +- Issue #19307: Improve error message for json.load(s) while passing objects + of the wrong type. + +- Issue #16038: CVE-2013-1752: ftplib: Limit amount of data read by + limiting the call to readline(). Original patch by Michał + Jastrzębski and Giampaolo Rodola. + +- Issue #17087: Improved the repr for regular expression match objects. + +Tests +----- + +- Issue #19664: test_userdict's repr test no longer depends on the order + of dict elements. + +- Issue #19440: Clean up test_capi by removing an unnecessary __future__ + import, converting from test_main to unittest.main, and running the + _testcapi module tests as subTests of a unittest TestCase method. + +- Issue #19378: the main dis module tests are now run with both stdout + redirection *and* passing an explicit file parameter + +- Issue #19378: removed the not-actually-helpful assertInstructionMatches + and assertBytecodeExactlyMatches helpers from bytecode_helper + +- Issue #18702: All skipped tests now reported as skipped. + +- Issue #19439: interpreter embedding tests are now executed on Windows + (Patch by Zachary Ware) + +- Issue #19085: Added basic tests for all tkinter widget options. + +- Issue #19384: Fix test_py_compile for root user, patch by Claudiu Popa. + +Documentation +------------- + +- Issue #18326: Clarify that list.sort's arguments are keyword-only. Also, + attempt to reduce confusion in the glossary by not saying there are + different "types" of arguments and parameters. + +Build +----- + +- Issue #19358: "make clinic" now runs the Argument Clinic preprocessor + over all CPython source files. + +- Update SQLite to 3.8.1, xz to 5.0.5, and Tcl/Tk to 8.6.1 on Windows. + +- Issue #16632: Enable DEP and ASLR on Windows. + +- Issue #17791: Drop PREFIX and EXEC_PREFIX definitions from PC/pyconfig.h + +- Add workaround for VS 2010 nmake clean issue. VS 2010 doesn't set up PATH + for nmake.exe correctly. + +- Issue #19550: Implement Windows installer changes of PEP 453 (ensurepip). + +- Issue #19520: Fix compiler warning in the _sha3 module on 32bit Windows. + +- Issue #19356: Avoid using a C variabled named "_self", it's a reserved + word in some C compilers. + +- Issue #15792: Correct build options on Win64. Patch by Jeremy Kloth. + +- Issue #19373: Apply upstream change to Tk 8.5.15 fixing OS X 10.9 + screen refresh problem for OS X installer build. + +- Issue #19649: On OS X, the same set of file names are now installed + in bin directories for all configurations: non-framework vs framework, + and single arch vs universal builds. pythonx.y-32 is now always + installed for 64-bit/32-bit universal builds. The obsolete and + undocumented pythonw* symlinks are no longer installed anywhere. + +- Issue #19553: PEP 453 - "make install" and "make altinstall" now install or + upgrade pip by default, using the bundled pip provided by the new ensurepip + module. A new configure option, --with-ensurepip[=upgrade|install|no], is + available to override the default ensurepip "--upgrade" option. The option + can also be set with "make [alt]install ENSUREPIP=[upgrade|install|no]". + +- Issue #19551: PEP 453 - the OS X installer now installs pip by default. + +- Update third-party libraries for OS X installers: xz 5.0.3 -> 5.0.5, + SQLite 3.7.13 -> 3.8.1 + +- Issue #15663: Revert OS X installer built-in Tcl/Tk support for 3.4.0b1. + Some third-party projects, such as Matplotlib and PIL/Pillow, + depended on being able to build with Tcl and Tk frameworks in + /Library/Frameworks. + +Tools/Demos +----------- + +- Issue #19730: Argument Clinic now supports all the existing PyArg + "format units" as legacy converters, as well as two new features: + "self converters" and the "version" directive. + +- Issue #19552: pyvenv now bootstraps pip into virtual environments by + default (pass --without-pip to request the old behaviour) + +- Issue #19390: Argument Clinic no longer accepts malformed Python + and C ids. + + +What's New in Python 3.4.0 Alpha 4? +=================================== + +Release date: 2013-10-20 + +Core and Builtins +----------------- + +- Issue #19301: Give classes and functions that are explicitly marked global a + global qualname. + +- Issue #19279: UTF-7 decoder no longer produces illegal strings. + +- Issue #16612: Add "Argument Clinic", a compile-time preprocessor for + C files to generate argument parsing code. (See PEP 436.) + +- Issue #18810: Shift stat calls in importlib.machinery.FileFinder such that + the code is optimistic that if something exists in a directory named exactly + like the possible package being searched for that it's in actuality a + directory. + +- Issue #18416: importlib.machinery.PathFinder now treats '' as the cwd and + importlib.machinery.FileFinder no longer special-cases '' to '.'. This leads + to modules imported from cwd to now possess an absolute file path for + __file__ (this does not affect modules specified by path on the CLI but it + does affect -m/runpy). It also allows FileFinder to be more consistent by not + having an edge case. + +- Issue #4555: All exported C symbols are now prefixed with either + "Py" or "_Py". + +- Issue #19219: Speed up marshal.loads(), and make pyc files slightly + (5% to 10%) smaller. + +- Issue #19221: Upgrade Unicode database to version 6.3.0. + +- Issue #16742: The result of the C callback PyOS_ReadlineFunctionPointer must + now be a string allocated by PyMem_RawMalloc() or PyMem_RawRealloc() (or NULL + if an error occurred), instead of a string allocated by PyMem_Malloc() or + PyMem_Realloc(). + +- Issue #19199: Remove ``PyThreadState.tick_counter`` field + +- Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at + least one place so as to avoid regressions. + +- Issue #19087: Improve bytearray allocation in order to allow cheap popping + of data at the front (slice deletion). + +- Issue #19014: memoryview.cast() is now allowed on zero-length views. + +- Issue #18690: memoryview is now automatically registered with + collections.abc.Sequence + +- Issue #19078: memoryview now correctly supports the reversed builtin + (Patch by Claudiu Popa) + +Library +------- + +- Issue #17457: unittest test discovery now works with namespace packages. + Patch by Claudiu Popa. + +- Issue #18235: Fix the sysconfig variables LDSHARED and BLDSHARED under AIX. + Patch by David Edelsohn. + +- Issue #18606: Add the new "statistics" module (PEP 450). Contributed + by Steven D'Aprano. + +- Issue #12866: The audioop module now supports 24-bit samples. + +- Issue #19254: Provide an optimized Python implementation of pbkdf2_hmac. + +- Issues #19201, Issue #19222, Issue #19223: Add "x" mode (exclusive creation) + in opening file to bz2, gzip and lzma modules. Patches by Tim Heaney and + Vajrasky Kok. + +- Fix a reference count leak in _sre. + +- Issue #19262: Initial check in of the 'asyncio' package (a.k.a. Tulip, + a.k.a. PEP 3156). There are no docs yet, and the PEP is slightly + out of date with the code. This module will have *provisional* status + in Python 3.4. + +- Issue #19276: Fixed the wave module on 64-bit big-endian platforms. + +- Issue #19266: Rename the new-in-3.4 ``contextlib.ignore`` context manager + to ``contextlib.suppress`` in order to be more consistent with existing + descriptions of that operation elsewhere in the language and standard + library documentation (Patch by Zero Piraeus). + +- Issue #18891: Completed the new email package (provisional) API additions + by adding new classes EmailMessage, MIMEPart, and ContentManager. + +- Issue #18281: Unused stat constants removed from `tarfile`. + +- Issue #18999: Multiprocessing now supports 'contexts' with the same API + as the module, but bound to specified start methods. + +- Issue #18468: The re.split, re.findall, and re.sub functions and the group() + and groups() methods of match object now always return a string or a bytes + object. + +- Issue #18725: The textwrap module now supports truncating multiline text. + +- Issue #18776: atexit callbacks now display their full traceback when they + raise an exception. + +- Issue #17827: Add the missing documentation for ``codecs.encode`` and + ``codecs.decode``. + +- Issue #19218: Rename collections.abc to _collections_abc in order to + speed up interpreter start. + +- Issue #18582: Add 'pbkdf2_hmac' to the hashlib module. It implements PKCS#5 + password-based key derivation functions with HMAC as pseudorandom function. + +- Issue #19131: The aifc module now correctly reads and writes sampwidth of + compressed streams. + +- Issue #19209: Remove import of copyreg from the os module to speed up + interpreter startup. stat_result and statvfs_result are now hard-coded to + reside in the os module. + +- Issue #19205: Don't import the 're' module in site and sysconfig module to + speed up interpreter start. + +- Issue #9548: Add a minimal "_bootlocale" module that is imported by the + _io module instead of the full locale module. + +- Issue #18764: Remove the 'print' alias for the PDB 'p' command so that it no + longer shadows the print function. + +- Issue #19158: A rare race in BoundedSemaphore could allow .release() too + often. + +- Issue #15805: Add contextlib.redirect_stdout(). + +- Issue #18716: Deprecate the formatter module. + +- Issue #10712: 2to3 has a new "asserts" fixer that replaces deprecated names + of unittest methods (e.g. failUnlessEqual -> assertEqual). + +- Issue #18037: 2to3 now escapes ``'\u'`` and ``'\U'`` in native strings. + +- Issue #17839: base64.decodebytes and base64.encodebytes now accept any + object that exports a 1 dimensional array of bytes (this means the same + is now also true for base64_codec) + +- Issue #19132: The pprint module now supports compact mode. + +- Issue #19137: The pprint module now correctly formats instances of set and + frozenset subclasses. + +- Issue #10042: functools.total_ordering now correctly handles + NotImplemented being returned by the underlying comparison function (Patch + by Katie Miller) + +- Issue #19092: contextlib.ExitStack now correctly reraises exceptions + from the __exit__ callbacks of inner context managers (Patch by Hrvoje + Nikšić) + +- Issue #12641: Avoid passing "-mno-cygwin" to the mingw32 compiler, except + when necessary. Patch by Oscar Benjamin. + +- Issue #5845: In site.py, only load readline history from ~/.python_history + if no history has been read already. This avoids double writes to the + history file at shutdown. + +- Properly initialize all fields of a SSL object after allocation. + +- Issue #19095: SSLSocket.getpeercert() now raises ValueError when the + SSL handshake hasn't been done. + +- Issue #4366: Fix building extensions on all platforms when --enable-shared + is used. + +- Issue #19030: Fixed `inspect.getmembers` and `inspect.classify_class_attrs` + to attempt activating descriptors before falling back to a __dict__ search + for faulty descriptors. `inspect.classify_class_attrs` no longer returns + Attributes whose home class is None. + +C API +----- + +- Issue #1772673: The type of `char*` arguments now changed to `const char*`. + +- Issue #16129: Added a `Py_SetStandardStreamEncoding` pre-initialization API + to allow embedding applications like Blender to force a particular + encoding and error handler for the standard IO streams (initial patch by + Bastien Montagne) + +Tests +----- + +- Issue #19275: Fix test_site on AMD64 Snow Leopard + +- Issue #14407: Fix unittest test discovery in test_concurrent_futures. + +- Issue #18919: Unified and extended tests for audio modules: aifc, sunau and + wave. + +- Issue #18714: Added tests for ``pdb.find_function()``. + +Documentation +------------- + +- Issue #18758: Fixed and improved cross-references. + +- Issue #18972: Modernize email examples and use the argparse module in them. + +Build +----- + +- Issue #19130: Correct PCbuild/readme.txt, Python 3.3 and 3.4 require VS 2010. + +- Issue #15663: Update OS X 10.6+ installer to use Tcl/Tk 8.5.15. + +- Issue #14499: Fix several problems with OS X universal build support: + 1. ppc arch detection for extension module builds broke with Xcode 5 + 2. ppc arch detection in configure did not work on OS X 10.4 + 3. -sysroot and -arch flags were unnecessarily duplicated + 4. there was no obvious way to configure an intel-32 only build. + +- Issue #19019: Change the OS X installer build script to use CFLAGS instead + of OPT for special build options. By setting OPT, some compiler-specific + options like -fwrapv were overridden and thus not used, which could result + in broken interpreters when building with clang. + + +What's New in Python 3.4.0 Alpha 3? +=================================== + +Release date: 2013-09-29 + +Core and Builtins +----------------- + +- Issue #18818: The "encodingname" part of PYTHONIOENCODING is now optional. + +- Issue #19098: Prevent overflow in the compiler when the recursion limit is set + absurdly high. + +Library +------- + +- Issue #18929: `inspect.classify_class_attrs()` now correctly finds class + attributes returned by `dir()` that are located in the metaclass. + +- Issue #18950: Fix miscellaneous bugs in the sunau module. + Au_read.readframes() now updates current file position and reads correct + number of frames from multichannel stream. Au_write.writeframesraw() now + correctly updates current file position. Au_read.getnframes() now returns an + integer (as in Python 2). Au_read and Au_write now correctly works with file + object if start file position is not a zero. + +- Issue #18594: The fast path for collections.Counter() was never taken + due to an over-restrictive type check. + +- Issue #19053: ZipExtFile.read1() with non-zero argument no more returns empty + bytes until end of data. + +- logging: added support for Unix domain sockets to SocketHandler and + DatagramHandler. + +- Issue #18996: TestCase.assertEqual() now more cleverly shorten differing + strings in error report. + +- Issue #19034: repr() for tkinter.Tcl_Obj now exposes string reperesentation. + +- Issue #18978: ``urllib.request.Request`` now allows the method to be + indicated on the class and no longer sets it to None in ``__init__``. + +- Issue #18626: the inspect module now offers a basic command line + introspection interface (Initial patch by Claudiu Popa) + +- Issue #3015: Fixed tkinter with wantobject=False. Any Tcl command call + returned empty string. + +- Issue #19037: The mailbox module now makes all changes to maildir files + before moving them into place, to avoid race conditions with other programs + that may be accessing the maildir directory. + +- Issue #14984: On POSIX systems, when netrc is called without a filename + argument (and therefore is reading the user's $HOME/.netrc file), it now + enforces the same security rules as typical ftp clients: the .netrc file must + be owned by the user that owns the process and must not be readable by any + other user. + +- Issue #18873: The tokenize module now detects Python source code encoding + only in comment lines. + +- Issue #17764: Enable http.server to bind to a user specified network + interface. Patch contributed by Malte Swart. + +- Issue #18937: Add an assertLogs() context manager to unittest.TestCase + to ensure that a block of code emits a message using the logging module. + +- Issue #17324: Fix http.server's request handling case on trailing '/'. Patch + contributed by Vajrasky Kok. + +- Issue #19018: The heapq.merge() function no longer suppresses IndexError + in the underlying iterables. + +- Issue #18784: The uuid module no longer attempts to load libc via ctypes.CDLL + if all the necessary functions have already been found in libuuid. Patch by + Evgeny Sologubov. + +- The :envvar:`PYTHONFAULTHANDLER` environment variable now only enables the + faulthandler module if the variable is non-empty. Same behaviour than other + variables like :envvar:`PYTHONDONTWRITEBYTECODE`. + +- Issue #1565525: New function ``traceback.clear_frames`` will clear + the local variables of all the stack frames referenced by a traceback + object. + +Tests +----- + +- Issue #18952: Fix regression in support data downloads introduced when + test.support was converted to a package. Regression noticed by Zachary + Ware. + +IDLE +---- + +- Issue #18873: IDLE now detects Python source code encoding only in comment + lines. + +- Issue #18988: The "Tab" key now works when a word is already autocompleted. + +Documentation +------------- + +- Issue #17003: Unified the size argument names in the io module with common + practice. + +Build +----- + +- Issue #18596: Support the use of address sanity checking in recent versions + of clang and GCC by appropriately marking known false alarms in the small + object allocator. Patch contributed by Dhiru Kholia. + +Tools/Demos +----------- + +- Issue #18873: 2to3 and the findnocoding.py script now detect Python source + code encoding only in comment lines. + + +What's New in Python 3.4.0 Alpha 2? +=================================== + +Release date: 2013-09-09 + +Core and Builtins +----------------- + +- Issue #18942: sys._debugmallocstats() output was damaged on Windows. + +- Issue #18571: Implementation of the PEP 446: file descriptors and file + handles are now created non-inheritable; add functions + os.get/set_inheritable(), os.get/set_handle_inheritable() and + socket.socket.get/set_inheritable(). + +- Issue #11619: The parser and the import machinery do not encode Unicode + filenames anymore on Windows. + +- Issue #18808: Non-daemon threads are now automatically joined when + a sub-interpreter is shutdown (it would previously dump a fatal error). + +- Remove support for compiling on systems without getcwd(). + +- Issue #18774: Remove last bits of GNU PTH thread code and thread_pth.h. + +- Issue #18771: Add optimization to set object lookups to reduce the cost + of hash collisions. The core idea is to inspect a second key/hash pair + for each cache line retrieved. + +- Issue #16105: When a signal handler fails to write to the file descriptor + registered with ``signal.set_wakeup_fd()``, report an exception instead + of ignoring the error. + +- Issue #18722: Remove uses of the "register" keyword in C code. + +- Issue #18667: Add missing "HAVE_FCHOWNAT" symbol to posix._have_functions. + +- Issue #16499: Add command line option for isolated mode. + +- Issue #15301: Parsing fd, uid, and gid parameters for builtins + in Modules/posixmodule.c is now far more robust. + +- Issue #18368: PyOS_StdioReadline() no longer leaks memory when realloc() + fail. + +- Issue #17934: Add a clear() method to frame objects, to help clean up + expensive details (local variables) and break reference cycles. + +- Issue #18780: %-formatting codes %d, %i, and %u now treat int-subclasses + as int (displays value of int-subclass instead of str(int-subclass) ). + +Library +------- + +- Issue #18808: Thread.join() now waits for the underlying thread state to + be destroyed before returning. This prevents unpredictable aborts in + Py_EndInterpreter() when some non-daemon threads are still running. + +- Issue #18458: Prevent crashes with newer versions of libedit. Its readline + emulation has changed from 0-based indexing to 1-based like gnu readline. + +- Issue #18852: Handle case of ``readline.__doc__`` being ``None`` in the new + readline activation code in ``site.py``. + +- Issue #18672: Fixed format specifiers for Py_ssize_t in debugging output in + the _sre module. + +- Issue #18830: inspect.getclasstree() no longer produces duplicate entries even + when input list contains duplicates. + +- Issue #18878: sunau.open now supports the context management protocol. Based on + patches by Claudiu Popa and R. David Murray. + +- Issue #18909: Fix _tkinter.tkapp.interpaddr() on Windows 64-bit, don't cast + 64-bit pointer to long (32 bits). + +- Issue #18876: The FileIO.mode attribute now better reflects the actual mode + under which the file was opened. Patch by Erik Bray. + +- Issue #16853: Add new selectors module. + +- Issue #18882: Add threading.main_thread() function. + +- Issue #18901: The sunau getparams method now returns a namedtuple rather than + a plain tuple. Patch by Claudiu Popa. + +- Issue #17487: The result of the wave getparams method now is pickleable again. + Patch by Claudiu Popa. + +- Issue #18756: os.urandom() now uses a lazily-opened persistent file + descriptor, so as to avoid using many file descriptors when run in + parallel from multiple threads. + +- Issue #18418: After fork(), reinit all threads states, not only active ones. + Patch by A. Jesse Jiryu Davis. + +- Issue #17974: Switch unittest from using getopt to using argparse. + +- Issue #11798: TestSuite now drops references to own tests after execution. + +- Issue #16611: http.cookie now correctly parses the 'secure' and 'httponly' + cookie flags. + +- Issue #11973: Fix a problem in kevent. The flags and fflags fields are now + properly handled as unsigned. + +- Issue #18807: ``pyvenv`` now takes a --copies argument allowing copies + instead of symlinks even where symlinks are available and the default. + +- Issue #18538: ``python -m dis`` now uses argparse for argument processing. + Patch by Michele Orrù. + +- Issue #18394: Close cgi.FieldStorage's optional file. + +- Issue #17702: On error, os.environb now suppresses the exception context + when raising a new KeyError with the original key. + +- Issue #16809: Fixed some tkinter incompabilities with Tcl/Tk 8.6. + +- 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. + +- Issue #18794: Add a fileno() method and a closed attribute to select.devpoll + objects. + +- 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. + +- Issue #8865: Concurrent invocation of select.poll.poll() now raises a + RuntimeError exception. Patch by Christian Schubert. + +- Issue #18777: The ssl module now uses the new CRYPTO_THREADID API of + OpenSSL 1.0.0+ instead of the deprecated CRYPTO id callback function. + +- Issue #18768: Correct doc string of RAND_edg(). Patch by Vajrasky Kok. + +- Issue #18178: Fix ctypes on BSD. dlmalloc.c was compiled twice which broke + malloc weak symbols. + +- 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 + strings for ``rfc822Name`` (email), ``dNSName`` (DNS) and + ``uniformResourceIdentifier`` (URI). + +- Issue #18701: Remove support of old CPython versions (<3.0) from C code. + +- Issue #18756: Improve error reporting in os.urandom() when the failure + is due to something else than /dev/urandom not existing (for example, + exhausting the file descriptor limit). + +- Issue #18673: Add O_TMPFILE to os module. O_TMPFILE requires Linux kernel + 3.11 or newer. It's only defined on system with 3.11 uapi headers, too. + +- Issue #18532: Change the builtin hash algorithms' names to lower case names + as promised by hashlib's documentation. + +- Issue #8713: add new spwan and forkserver start methods, and new functions + get_all_start_methods, get_start_method, and set_start_method, to + multiprocessing. + +- Issue #18405: Improve the entropy of crypt.mksalt(). + +- Issue #12015: The tempfile module now uses a suffix of 8 random characters + instead of 6, to reduce the risk of filename collision. The entropy was + reduced when uppercase letters were removed from the charset used to generate + random characters. + +- Issue #18585: Add :func:`textwrap.shorten` to collapse and truncate a + piece of text to a given length. + +- Issue #18598: Tweak exception message for importlib.import_module() to + include the module name when a key argument is missing. + +- Issue #19151: Fix docstring and use of _get_supported_file_loaders() to + reflect 2-tuples. + +- Issue #19152: Add ExtensionFileLoader.get_filename(). + +- Issue #18676: Change 'positive' to 'non-negative' in queue.py put and get + docstrings and ValueError messages. Patch by Zhongyue Luo + +- Fix refcounting issue with extension types in tkinter. + +- Issue #8112: xlmrpc.server's DocXMLRPCServer server no longer raises an error + if methods have annotations; it now correctly displays the annotations. + +- Issue #18600: Added policy argument to email.message.Message.as_string, + and as_bytes and __bytes__ methods to Message. + +- Issue #18671: Output more information when logging exceptions occur. + +- Issue #18621: Prevent the site module's patched builtins from keeping + too many references alive for too long. + +- Issue #4885: Add weakref support to mmap objects. Patch by Valerie Lambert. + +- Issue #8860: Fixed rounding in timedelta constructor. + +- Issue #18849: Fixed a Windows-specific tempfile bug where collision with an + existing directory caused mkstemp and related APIs to fail instead of + retrying. Report and fix by Vlad Shcherbina. + +- Issue #18920: argparse's default destination for the version action (-v, + --version) has also been changed to stdout, to match the Python executable. + +Tests +----- + +- Issue #18623: Factor out the _SuppressCoreFiles context manager into + test.support. Patch by Valerie Lambert. + +- Issue #12037: Fix test_email for desktop Windows. + +- Issue #15507: test_subprocess's test_send_signal could fail if the test + runner were run in an environment where the process inherited an ignore + setting for SIGINT. Restore the SIGINT handler to the desired + KeyboardInterrupt raising one during that test. + +- Issue #16799: Switched from getopt to argparse style in regrtest's argument + parsing. Added more tests for regrtest's argument parsing. + +- Issue #18792: Use "127.0.0.1" or "::1" instead of "localhost" as much as + possible, since "localhost" goes through a DNS lookup under recent Windows + versions. + +IDLE +---- + +- Issue #18489: Add tests for SearchEngine. Original patch by Phil Webster. + +Documentation +------------- + +- Issue #18743: Fix references to non-existent "StringIO" module. + +- Issue #18783: Removed existing mentions of Python long type in docstrings, + error messages and comments. + +Build +----- + +- Issue #1584: Provide configure options to override default search paths for + Tcl and Tk when building _tkinter. + +- Issue #15663: Tcl/Tk 8.5.14 is now included with the OS X 10.6+ 64-/32-bit + installer. It is no longer necessary to install a third-party version of + Tcl/Tk 8.5 to work around the problems in the Apple-supplied Tcl/Tk 8.5 + shipped in OS X 10.6 and later releases. + +Tools/Demos +----------- + +- Issue #18922: Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write + their version strings to stdout, and not to sderr. + + +What's New in Python 3.4.0 Alpha 1? +=================================== + +Release date: 2013-08-03 + +Core and Builtins +----------------- + +- Issue #16741: Fix an error reporting in int(). + +- Issue #17899: Fix rare file descriptor leak in os.listdir(). + +- Issue #10241: Clear extension module dict copies at interpreter shutdown. + Patch by Neil Schemenauer, minimally modified. + +- Issue #9035: ismount now recognises volumes mounted below a drive root + on Windows. Original patch by Atsuo Ishimoto. + +- Issue #18214: Improve finalization of Python modules to avoid setting + their globals to None, in most cases. + +- Issue #18112: PEP 442 implementation (safe object finalization). + +- Issue #18552: Check return value of PyArena_AddPyObject() in + obj2ast_object(). + +- Issue #18560: Fix potential NULL pointer dereference in sum(). + +- Issue #18520: Add a new PyStructSequence_InitType2() function, same than + PyStructSequence_InitType() except that it has a return value (0 on success, + -1 on error). + +- Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0], + prefix and exec_prefix if the operation system does not obey MAXPATHLEN. + +- Issue #18408: Fix many various bugs in code handling errors, especially + on memory allocation failure (MemoryError). + +- Issue #18344: Fix potential ref-leaks in _bufferedreader_read_all(). + +- Issue #18342: Use the repr of a module name when an import fails when using + ``from ... import ...``. + +- Issue #17872: Fix a segfault in marshal.load() when input stream returns + more bytes than requested. + +- Issue #18338: `python --version` now prints version string to stdout, and + not to stderr. Patch by Berker Peksag and Michael Dickens. + +- Issue #18426: Fix NULL pointer dereference in C extension import when + PyModule_GetDef() returns an error. + +- Issue #17206: On Windows, increase the stack size from 2 MB to 4.2 MB to fix + a stack overflow in the marshal module (fix a crash in test_marshal). + Patch written by Jeremy Kloth. + +- Issue #3329: Implement the PEP 445: Add new APIs to customize Python memory + allocators. + +- Issue #18328: Reorder ops in PyThreadState_Delete*() functions. Now the + tstate is first removed from TLS and then deallocated. + +- Issue #13483: Use VirtualAlloc in obmalloc on Windows. + +- Issue #18184: PyUnicode_FromFormat() and PyUnicode_FromFormatV() now raise + OverflowError when an argument of %c format is out of range. + +- Issue #18111: The min() and max() functions now support a default argument + to be returned instead of raising a ValueError on an empty sequence. + (Contributed by Julian Berman.) + +- 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. + +- Issue #18180: Fix ref leak in _PyImport_GetDynLoadWindows(). + +- Issue #18038: SyntaxError raised during compilation sources with illegal + encoding now always contains an encoding name. + +- Issue #17931: Resolve confusion on Windows between pids and process + handles. + +- Tweak the exception message when the magic number or size value in a bytecode + file is truncated. + +- Issue #17932: Fix an integer overflow issue on Windows 64-bit in iterators: + change the C type of seqiterobject.it_index from long to Py_ssize_t. + +- Issue #18065: Don't set __path__ to the package name for frozen packages. + +- Issue #18088: When reloading a module, unconditionally reset all relevant + attributes on the module (e.g. __name__, __loader__, __package__, __file__, + __cached__). + +- Issue #17937: Try harder to collect cyclic garbage at shutdown. + +- Issue #12370: Prevent class bodies from interfering with the __class__ + closure. + +- Issue #17644: Fix a crash in str.format when curly braces are used in square + brackets. + +- Issue #17237: Fix crash in the ASCII decoder on m68k. + +- Issue #17927: Frame objects kept arguments alive if they had been + copied into a cell, even if the cell was cleared. + +- Issue #1545463: At shutdown, defer finalization of codec modules so + that stderr remains usable. + +- Issue #7330: Implement width and precision (ex: "%5.3s") for the format + string of PyUnicode_FromFormat() function, original patch written by Ysj Ray. + +- Issue #1545463: Global variables caught in reference cycles are now + garbage-collected at shutdown. + +- Issue #17094: Clear stale thread states after fork(). Note that this + is a potentially disruptive change since it may release some system + resources which would otherwise remain perpetually alive (e.g. database + connections kept in thread-local storage). + +- Issue #17408: Avoid using an obsolete instance of the copyreg module when + the interpreter is shutdown and then started again. + +- Issue #5845: Enable tab-completion in the interactive interpreter by + default, thanks to a new sys.__interactivehook__. + +- Issue #17115,17116: Module initialization now includes setting __package__ and + __loader__ attributes to None. + +- Issue #17853: Ensure locals of a class that shadow free variables always win + over the closures. + +- Issue #17863: In the interactive console, don't loop forever if the encoding + can't be fetched from stdin. + +- Issue #17867: Raise an ImportError if __import__ is not found in __builtins__. + +- Issue #18698: Ensure importlib.reload() returns the module out of sys.modules. + +- Issue #17857: Prevent build failures with pre-3.5.0 versions of sqlite3, + such as was shipped with Centos 5 and Mac OS X 10.4. + +- Issue #17413: sys.settrace callbacks were being passed a string instead of an + exception instance for the 'value' element of the arg tuple if the exception + originated from C code; now an exception instance is always provided. + +- Issue #17782: Fix undefined behaviour on platforms where + ``struct timespec``'s "tv_nsec" member is not a C long. + +- Issue #17722: When looking up __round__, resolve descriptors. + +- Issue #16061: Speed up str.replace() for replacing 1-character strings. + +- Issue #17715: Fix segmentation fault from raising an exception in a __trunc__ + method. + +- Issue #17643: Add __callback__ attribute to weakref.ref. + +- Issue #16447: Fixed potential segmentation fault when setting __name__ on a + class. + +- Issue #17669: Fix crash involving finalization of generators using yield from. + +- Issue #14439: Python now prints the traceback on runpy failure at startup. + +- Issue #17469: Fix _Py_GetAllocatedBlocks() and sys.getallocatedblocks() + when running on valgrind. + +- Issue #17619: Make input() check for Ctrl-C correctly on Windows. + +- Issue #17357: Add missing verbosity messages for -v/-vv that were lost during + the importlib transition. + +- Issue #17610: Don't rely on non-standard behavior of the C qsort() function. + +- Issue #17323: The "[X refs, Y blocks]" printed by debug builds has been + disabled by default. It can be re-enabled with the `-X showrefcount` option. + +- Issue #17328: Fix possible refleak in dict.setdefault. + +- Issue #17275: Corrected class name in init error messages of the C version of + BufferedWriter and BufferedRandom. + +- Issue #7963: Fixed misleading error message that issued when object is + called without arguments. + +- Issue #8745: Small speed up zipimport on Windows. Patch by Catalin Iacob. + +- Issue #5308: Raise ValueError when marshalling too large object (a sequence + with size >= 2**31), instead of producing illegal marshal data. + +- Issue #12983: Bytes literals with invalid ``\x`` escape now raise a SyntaxError + and a full traceback including line number. + +- Issue #16967: In function definition, evaluate positional defaults before + keyword-only defaults. + +- 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 + string (wstr) format is now cleared. + +- Issue #17043: The unicode-internal decoder no longer read past the end of + input buffer. + +- Issue #17098: All modules now have __loader__ set even if they pre-exist the + bootstrapping of importlib. + +- Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder. + +- Issue #16772: The base argument to the int constructor no longer accepts + floats, or other non-integer objects with an __int__ method. Objects + with an __index__ method are now accepted. + +- Issue #10156: In the interpreter's initialization phase, unicode globals + are now initialized dynamically as needed. + +- Issue #16980: Fix processing of escaped non-ascii bytes in the + unicode-escape-decode decoder. + +- Issue #16975: Fix error handling bug in the escape-decode bytes decoder. + +- Issue #14850: Now a charmap decoder treats U+FFFE as "undefined mapping" + in any mapping, not only in a string. + +- Issue #16613: Add *m* argument to ``collections.Chainmap.new_child`` to + allow the new child map to be specified explicitly. + +- Issue #16730: importlib.machinery.FileFinder now no longers raises an + exception when trying to populate its cache and it finds out the directory is + unreadable or has turned into a file. Reported and diagnosed by + David Pritchard. + +- Issue #16906: Fix a logic error that prevented most static strings from being + cleared. + +- Issue #11461: Fix the incremental UTF-16 decoder. Original patch by + Amaury Forgeot d'Arc. + +- Issue #16856: Fix a segmentation fault from calling repr() on a dict with + a key whose repr raise an exception. + +- Issue #16367: Fix FileIO.readall() on Windows for files larger than 2 GB. + +- Issue #16761: Calling int() with base argument only now raises TypeError. + +- Issue #16759: Support the full DWORD (unsigned long) range in Reg2Py + when retrieving a REG_DWORD value. This corrects functions like + winreg.QueryValueEx that may have been returning truncated values. + +- Issue #14420: Support the full DWORD (unsigned long) range in Py2Reg + when passed a REG_DWORD value. Fixes OverflowError in winreg.SetValueEx. + +- Issue #11939: Set the st_dev attribute of stat_result to allow Windows to + take advantage of the os.path.samefile/sameopenfile/samestat implementations + used by other platforms. + +- Issue #16772: The int() constructor's second argument (base) no longer + accepts non integer values. Consistent with the behavior in Python 2. + +- Issue #14470: Remove w9xpopen support per PEP 11. + +- Issue #9856: Replace deprecation warning with raising TypeError + in object.__format__. Patch by Florent Xicluna. + +- Issue #16597: In buffered and text IO, call close() on the underlying stream + if invoking flush() fails. + +- Issue #16722: In the bytes() constructor, try to call __bytes__ on the + argument before __index__. + +- Issue #16421: loading multiple modules from one shared object is now + handled correctly (previously, the first module loaded from that file + was silently returned). Patch by Václav Šmilauer. + +- Issue #16602: When a weakref's target was part of a long deallocation + chain, the object could remain reachable through its weakref even though + its refcount had dropped to zero. + +- Issue #16495: Remove extraneous NULL encoding check from bytes_decode(). + +- Issue #16619: Create NameConstant AST class to represent None, True, and False + literals. As a result, these constants are never loaded at runtime from + builtins. + +- Issue #16455: On FreeBSD and Solaris, if the locale is C, the + ASCII/surrogateescape codec is now used (instead of the locale encoding) to + decode the command line arguments. This change fixes inconsistencies with + os.fsencode() and os.fsdecode(), because these operating systems announce an + ASCII locale encoding, but actually use the ISO-8859-1 encoding in practice. + +- Issue #16562: Optimize dict equality testing. Patch by Serhiy Storchaka. + +- Issue #16588: Silence unused-but-set warnings in Python/thread_pthread + +- Issue #16592: stringlib_bytes_join doesn't raise MemoryError on allocation + failure. + +- Issue #16546: Fix: ast.YieldFrom argument is now mandatory. + +- Issue #16514: Fix regression causing a traceback when sys.path[0] is None + (actually, any non-string or non-bytes type). + +- Issue #16306: Fix multiple error messages when unknown command line + parameters where passed to the interpreter. Patch by Hieu Nguyen. + +- Issue #16215: Fix potential double memory free in str.replace(). Patch + by Serhiy Storchaka. + +- Issue #16290: A float return value from the __complex__ special method is no + longer accepted in the complex() constructor. + +- Issue #16416: On Mac OS X, operating system data are now always + encoded/decoded to/from UTF-8/surrogateescape, instead of the locale encoding + (which may be ASCII if no locale environment variable is set), to avoid + inconsistencies with os.fsencode() and os.fsdecode() functions which are + already using UTF-8/surrogateescape. + +- Issue #16453: Fix equality testing of dead weakref objects. + +- Issue #9535: Fix pending signals that have been received but not yet + handled by Python to not persist after os.fork() in the child process. + +- Issue #14794: Fix slice.indices to return correct results for huge values, + rather than raising OverflowError. + +- Issue #15001: fix segfault on "del sys.modules['__main__']". Patch by Victor + Stinner. + +- Issue #8271: the utf-8 decoder now outputs the correct number of U+FFFD + characters when used with the 'replace' error handler on invalid utf-8 + sequences. Patch by Serhiy Storchaka, tests by Ezio Melotti. + +- Issue #5765: Apply a hard recursion limit in the compiler instead of + blowing the stack and segfaulting. Initial patch by Andrea Griffini. + +- Issue #16402: When slicing a range, fix shadowing of exceptions from + __index__. + +- Issue #16336: fix input checking in the surrogatepass error handler. + Patch by Serhiy Storchaka. + +- Issue #8401: assigning an int to a bytearray slice (e.g. b[3:4] = 5) now + raises an error. + +- Issue #7317: Display full tracebacks when an error occurs asynchronously. + Patch by Alon Horev with update by Alexey Kachayev. + +- Issue #16309: Make PYTHONPATH="" behavior the same as if PYTHONPATH + not set at all. + +- Issue #10189: Improve the error reporting of SyntaxErrors related to global + and nonlocal statements. + +- Fix segfaults on setting __qualname__ on builtin types and attempting to + delete it on any type. + +- Issue #14625: Rewrite the UTF-32 decoder. It is now 3x to 4x faster. Patch + written by Serhiy Storchaka. + +- Issue #16345: Fix an infinite loop when ``fromkeys`` on a dict subclass + received a nonempty dict from the constructor. + +- Issue #16271: Fix strange bugs that resulted from __qualname__ appearing in a + class's __dict__ and on type. + +- Issue #12805: Make bytes.join and bytearray.join faster when the separator + is empty. Patch by Serhiy Storchaka. + +- Issue #6074: Ensure cached bytecode files can always be updated by the + user that created them, even when the source file is read-only. + +- Issue #15958: bytes.join and bytearray.join now accept arbitrary buffer + objects. + +- Issue #14783: Improve int() docstring and switch docstrings for str(), + range(), and slice() to use multi-line signatures. + +- Issue #16160: Subclass support now works for types.SimpleNamespace. + +- Issue #16148: Implement PEP 424, adding operator.length_hint and + PyObject_LengthHint. + +- Upgrade Unicode data (UCD) to version 6.2. + +- Issue #15379: Fix passing of non-BMP characters as integers for the charmap + decoder (already working as unicode strings). Patch by Serhiy Storchaka. + +- Issue #15144: Fix possible integer overflow when handling pointers as integer + values, by using `Py_uintptr_t` instead of `size_t`. Patch by Serhiy + Storchaka. + +- Issue #15965: Explicitly cast `AT_FDCWD` as (int). Required on Solaris 10 + (which defines `AT_FDCWD` as ``0xffd19553``), harmless on other platforms. + +- Issue #15839: Convert SystemErrors in `super()` to RuntimeErrors. + +- Issue #15448: Buffered IO now frees the buffer when closed, instead + of when deallocating. + +- Issue #15846: Fix SystemError which happened when using `ast.parse()` in an + exception handler on code with syntax errors. + +- Issue #15897: zipimport.c doesn't check return value of fseek(). + Patch by Felipe Cruz. + +- Issue #15801: Make sure mappings passed to '%' formatting are actually + subscriptable. + +- Issue #15111: __import__ should propagate ImportError when raised as a + side-effect of a module triggered from using fromlist. + +- Issue #15022: Add pickle and comparison support to types.SimpleNamespace. + +Library +------- + +- Issue #4331: Added functools.partialmethod (Initial patch by Alon Horev) + +- Issue #13461: Fix a crash in the TextIOWrapper.tell method on 64-bit + platforms. Patch by Yogesh Chaudhari. + +- Issue #18681: Fix a NameError in importlib.reload() (noticed by Weizhao Li). + +- Issue #14323: Expanded the number of digits in the coefficients for the + RGB -- YIQ conversions so that they match the FCC NTSC versions. + +- Issue #17998: Fix an internal error in regular expression engine. + +- Issue #17557: Fix os.getgroups() to work with the modified behavior of + getgroups(2) on OS X 10.8. Original patch by Mateusz Lenik. + +- Issue #18608: Avoid keeping a strong reference to the locale module + inside the _io module. + +- Issue #18619: Fix atexit leaking callbacks registered from sub-interpreters, + and make it GC-aware. + +- Issue #15699: The readline module now uses PEP 3121-style module + initialization, so as to reclaim allocated resources (Python callbacks) + at shutdown. Original patch by Robin Schreiber. + +- Issue #17616: wave.open now supports the context management protocol. + +- Issue #18599: Fix name attribute of _sha1.sha1() object. It now returns + 'SHA1' instead of 'SHA'. + +- Issue #13266: Added inspect.unwrap to easily unravel __wrapped__ chains + (initial patch by Daniel Urban and Aaron Iles) + +- Issue #18561: Skip name in ctypes' _build_callargs() if name is NULL. + +- Issue #18559: Fix NULL pointer dereference error in _pickle module + +- Issue #18556: Check the return type of PyUnicode_AsWideChar() in ctype's + U_set(). + +- Issue #17818: aifc.getparams now returns a namedtuple. + +- Issue #18549: Eliminate dead code in socket_ntohl() + +- Issue #18530: Remove additional stat call from posixpath.ismount. + Patch by Alex Gaynor. + +- Issue #18514: Fix unreachable Py_DECREF() call in PyCData_FromBaseObj() + +- Issue #9177: Calling read() or write() now raises ValueError, not + AttributeError, on a closed SSL socket. Patch by Senko Rasic. + +- Issue #18513: Fix behaviour of cmath.rect w.r.t. signed zeros on OS X 10.8 + + gcc. + +- Issue #18479: Changed venv Activate.ps1 to make deactivate a function, and + removed Deactivate.ps1. + +- Issue #18480: Add missing call to PyType_Ready to the _elementtree extension. + +- Issue #17778: Fix test discovery for test_multiprocessing. (Patch by + Zachary Ware.) + +- Issue #18393: The private module _gestalt and private functions + platform._mac_ver_gestalt, platform._mac_ver_lookup and + platform._bcd2str have been removed. This does not affect the public + interface of the platform module. + +- Issue #17482: functools.update_wrapper (and functools.wraps) now set the + __wrapped__ attribute correctly even if the underlying function has a + __wrapped__ attribute set. + +- Issue #18431: The new email header parser now decodes RFC2047 encoded words + in structured headers. + +- Issue #18432: The sched module's queue method was incorrectly returning + an iterator instead of a list. + +- Issue #18044: The new email header parser was mis-parsing encoded words where + an encoded character immediately followed the '?' that follows the CTE + character, resulting in a decoding failure. They are now decoded correctly. + +- Issue #18101: Tcl.split() now process strings nested in a tuple as it + do with byte strings. + +- Issue #18116: getpass was always getting an error when testing /dev/tty, + and thus was always falling back to stdin, and would then raise an exception + if stdin could not be used (such as /dev/null). It also leaked an open file. + All of these issues are now fixed. + +- Issue #17198: Fix a NameError in the dbm module. Patch by Valentina + Mukhamedzhanova. + +- Issue #18013: Fix cgi.FieldStorage to parse the W3C sample form. + +- Issue #18020: improve html.escape speed by an order of magnitude. + Patch by Matt Bryant. + +- Issue #18347: ElementTree's html serializer now preserves the case of + closing tags. + +- Issue #17261: Ensure multiprocessing's proxies use proper address. + +- Issue #18343: faulthandler.register() now keeps the previous signal handler + when the function is called twice, so faulthandler.unregister() restores + correctly the original signal handler. + +- Issue #17097: Make multiprocessing ignore EINTR. + +- Issue #18339: Negative ints keys in unpickler.memo dict no longer cause a + segfault inside the _pickle C extension. + +- Issue #18240: The HMAC module is no longer restricted to bytes and accepts + any bytes-like object, e.g. memoryview. Original patch by Jonas Borgström. + +- Issue #18224: Removed pydoc script from created venv, as it causes problems + 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 + throwing an exception. + +- Issue #14360: encode_quopri can now be successfully used as an encoder + when constructing a MIMEApplication object. + +- Issue #11390: Add -o and -f command line options to the doctest CLI to + specify doctest options (and convert it to using argparse). + +- Issue #18135: ssl.SSLSocket.write() now raises an OverflowError if the input + string in longer than 2 gigabytes, and ssl.SSLContext.load_cert_chain() + raises a ValueError if the password is longer than 2 gigabytes. The ssl + module does not support partial write. + +- Issue #11016: Add C implementation of the stat module as _stat. + +- Issue #18248: Fix libffi build on AIX. + +- Issue #18259: Declare sethostname in socketmodule.c for AIX + +- Issue #18147: Add diagnostic functions to ssl.SSLContext(). get_ca_list() + lists all loaded CA certificates and cert_store_stats() returns amount of + loaded X.509 certs, X.509 CA certs and CRLs. + +- Issue #18167: cgi.FieldStorage no longer fails to handle multipart/form-data + when ``\r\n`` appears at end of 65535 bytes without other newlines. + +- Issue #18076: Introduce importlib.util.decode_source(). + +- Issue #18357: add tests for dictview set difference. + Patch by Fraser Tweedale. + +- importlib.abc.SourceLoader.get_source() no longer changes SyntaxError or + UnicodeDecodeError into ImportError. + +- Issue #18058, 18057: Make the namespace package loader meet the + importlib.abc.InspectLoader ABC, allowing for namespace packages to work with + runpy. + +- Issue #17177: The imp module is pending deprecation. + +- subprocess: Prevent a possible double close of parent pipe fds when the + subprocess exec runs into an error. Prevent a regular multi-close of the + /dev/null fd when any of stdin, stdout and stderr was set to DEVNULL. + +- Issue #18194: Introduce importlib.util.cache_from_source() and + source_from_cache() while documenting the equivalent functions in imp as + deprecated. + +- Issue #17907: Document imp.new_module() as deprecated in favour of + types.ModuleType. + +- Issue #18192: Introduce importlib.util.MAGIC_NUMBER and document as deprecated + imp.get_magic(). + +- Issue #18149: Add filecmp.clear_cache() to manually clear the filecmp cache. + Patch by Mark Levitt + +- Issue #18193: Add importlib.reload(). + +- Issue #18157: Stop using imp.load_module() in pydoc. + +- Issue #16102: Make uuid._netbios_getnode() work again on Python 3. + +- Issue #17134: Add ssl.enum_cert_store() as interface to Windows' cert store. + +- Issue #18143: Implement ssl.get_default_verify_paths() in order to debug + the default locations for cafile and capath. + +- Issue #17314: Move multiprocessing.forking over to importlib. + +- Issue #11959: SMTPServer and SMTPChannel now take an optional map, use of + which avoids affecting global state. + +- Issue #18109: os.uname() now decodes fields from the locale encoding, and + socket.gethostname() now decodes the hostname from the locale encoding, + instead of using the UTF-8 encoding in strict mode. + +- Issue #18089: Implement importlib.abc.InspectLoader.load_module. + +- Issue #18088: Introduce importlib.abc.Loader.init_module_attrs for setting + module attributes. Leads to the pending deprecation of + importlib.util.module_for_loader. + +- Issue #17403: urllib.parse.robotparser normalizes the urls before adding to + ruleline. This helps in handling certain types invalid urls in a conservative + manner. Patch contributed by Mher Movsisyan. + +- Issue #18070: Have importlib.util.module_for_loader() set attributes + unconditionally in order to properly support reloading. + +- Added importlib.util.module_to_load to return a context manager to provide the + proper module object to load. + +- Issue #18025: Fixed a segfault in io.BufferedIOBase.readinto() when raw + stream's read() returns more bytes than requested. + +- Issue #18011: As was originally intended, base64.b32decode() now raises a + binascii.Error if there are non-b32-alphabet characters present in the input + string, instead of a TypeError. + +- Issue #18072: Implement importlib.abc.InspectLoader.get_code() and + importlib.abc.ExecutionLoader.get_code(). + +- Issue #8240: Set the SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER flag on SSL + sockets. + +- Issue #17269: Workaround for socket.getaddrinfo crash on MacOS X + with port None or "0" and flags AI_NUMERICSERV. + +- Issue #16986: ElementTree now correctly works with string input when the + internal XML encoding is not UTF-8 or US-ASCII. + +- Issue #17996: socket module now exposes AF_LINK constant on BSD and OSX. + +- Issue #17900: Allowed pickling of recursive OrderedDicts. Decreased pickled + size and pickling time. + +- Issue #17914: Add os.cpu_count(). Patch by Yogesh Chaudhari, based on an + initial patch by Trent Nelson. + +- Issue #17812: Fixed quadratic complexity of base64.b32encode(). + Optimize base64.b32encode() and base64.b32decode() (speed up to 3x). + +- Issue #17980: Fix possible abuse of ssl.match_hostname() for denial of + service using certificates with many wildcards (CVE-2013-2099). + +- Issue #15758: Fix FileIO.readall() so it no longer has O(n**2) complexity. + +- Issue #14596: The struct.Struct() objects now use a more compact + implementation. + +- Issue #17981: logging's SysLogHandler now closes the socket when it catches + socket OSErrors. + +- Issue #17964: Fix os.sysconf(): the return type of the C sysconf() function + is long, not int. + +- Fix typos in the multiprocessing module. + +- Issue #17754: Make ctypes.util.find_library() independent of the locale. + +- Issue #17968: Fix memory leak in os.listxattr(). + +- Issue #17606: Fixed support of encoded byte strings in the XMLGenerator + characters() and ignorableWhitespace() methods. Original patch by Sebastian + Ortiz Vasquez. + +- Issue #17732: Ignore distutils.cfg options pertaining to install paths if a + virtual environment is active. + +- Issue #17915: Fix interoperability of xml.sax with file objects returned by + codecs.open(). + +- Issue #16601: Restarting iteration over tarfile really restarts rather + than continuing from where it left off. Patch by Michael Birtwell. + +- Issue #17289: The readline module now plays nicer with external modules + or applications changing the rl_completer_word_break_characters global + variable. Initial patch by Bradley Froehle. + +- Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit + platforms. Patch by Federico Schwindt. + +- Issue #11816: multiple improvements to the dis module: get_instructions + generator, ability to redirect output to a file, Bytecode and Instruction + abstractions. Patch by Nick Coghlan, Ryan Kelly and Thomas Kluyver. + +- Issue #13831: Embed stringification of remote traceback in local + traceback raised when pool task raises an exception. + +- Issue #15528: Add weakref.finalize to support finalization using + weakref callbacks. + +- Issue #14173: Avoid crashing when reading a signal handler during + interpreter shutdown. + +- Issue #15902: Fix imp.load_module() accepting None as a file when loading an + extension module. + +- Issue #13721: SSLSocket.getpeercert() and SSLSocket.do_handshake() now + raise an OSError with ENOTCONN, instead of an AttributeError, when the + SSLSocket is not connected. + +- Issue #14679: add an __all__ (that contains only HTMLParser) to html.parser. + +- Issue #17802: Fix an UnboundLocalError in html.parser. Initial tests by + 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. + +- Issue #17804: New function ``struct.iter_unpack`` allows for streaming + struct unpacking. + +- Issue #17830: When keyword.py is used to update a keyword file, it now + preserves the line endings of the original file. + +- Issue #17272: Making the urllib.request's Request.full_url a descriptor. + Fixes bugs with assignment to full_url. Patch by Demian Brecht. + +- Issue #17353: Plistlib emitted empty data tags with deeply nested datastructures + +- Issue #11714: Use 'with' statements to assure a Semaphore releases a + condition variable. Original patch by Thomas Rachel. + +- Issue #16624: `subprocess.check_output` now accepts an `input` argument, + allowing the subprocess's stdin to be provided as a (byte) string. + Patch by Zack Weinberg. + +- Issue #17795: Reverted backwards-incompatible change in SysLogHandler with + Unix domain sockets. + +- Issue #16694: Add a pure Python implementation of the operator module. + Patch by Zachary Ware. + +- Issue #11182: remove the unused and undocumented pydoc.Scanner class. + Patch by Martin Morrison. + +- Issue #17741: Add ElementTree.XMLPullParser, an event-driven parser for + non-blocking applications. + +- Issue #17555: Fix ForkAwareThreadLock so that size of after fork + registry does not grow exponentially with generation of process. + +- Issue #17707: fix regression in multiprocessing.Queue's get() method where + it did not block for short timeouts. + +- Issue #17720: Fix the Python implementation of pickle.Unpickler to correctly + process the APPENDS opcode when it is used on non-list objects. + +- Issue #17012: shutil.which() no longer falls back to the PATH environment + variable if an empty path argument is specified. Patch by Serhiy Storchaka. + +- Issue #17710: Fix pickle raising a SystemError on bogus input. + +- Issue #17341: Include the invalid name in the error messages from re about + invalid group names. + +- Issue #17702: os.environ now raises KeyError with the original environment + variable name (str on UNIX), instead of using the encoded name (bytes on + UNIX). + +- Issue #16163: Make the importlib based version of pkgutil.iter_importers + work for submodules. Initial patch by Berker Peksag. + +- Issue #16804: Fix a bug in the 'site' module that caused running + 'python -S -m site' to incorrectly throw an exception. + +- Issue #15480: Remove the deprecated and unused TYPE_INT64 code from marshal. + Initial patch by Daniel Riti. + +- Issue #2118: SMTPException is now a subclass of OSError. + +- Issue #17016: Get rid of possible pointer wraparounds and integer overflows + in the re module. Patch by Nickolai Zeldovich. + +- Issue #16658: add missing return to HTTPConnection.send(). + Patch by Jeff Knupp. + +- Issue #9556: the logging package now allows specifying a time-of-day for a + TimedRotatingFileHandler to rotate. + +- Issue #14971: unittest test discovery no longer gets confused when a function + has a different __name__ than its name in the TestCase class dictionary. + +- Issue #17487: The wave getparams method now returns a namedtuple rather than + a plain tuple. + +- Issue #17675: socket repr() provides local and remote addresses (if any). + Patch by Giampaolo Rodola' + +- Issue #17093: Make the ABCs in importlib.abc provide default values or raise + reasonable exceptions for their methods to make them more amenable to super() + calls. + +- Issue #17566: Make importlib.abc.Loader.module_repr() optional instead of an + abstractmethod; now it raises NotImplementedError so as to be ignored by default. + +- Issue #17678: Remove the use of deprecated method in http/cookiejar.py by + changing the call to get_origin_req_host() to origin_req_host. + +- Issue #17666: Fix reading gzip files with an extra field. + +- Issue #16475: Support object instancing, recursion and interned strings + in marshal + +- Issue #17502: Process DEFAULT values in mock side_effect that returns iterator. + +- Issue #16795: On the ast.arguments object, unify vararg with varargannotation + and kwarg and kwargannotation. Change the column offset of ast.Attribute to be + at the attribute name. + +- Issue #17434: Properly raise a SyntaxError when a string occurs between future + imports. + +- Issue #17117: Import and @importlib.util.set_loader now set __loader__ when + it has a value of None or the attribute doesn't exist. + +- Issue #17032: The "global" in the "NameError: global name 'x' is not defined" + 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 + 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 + set_userptr() method. Reported by Atsuo Ishimoto. + +- Implement PEP 443 "Single-dispatch generic functions". + +- Implement PEP 435 "Adding an Enum type to the Python standard library". + +- Issue #15596: Faster pickling of unicode strings. + +- Issue #17572: Avoid chained exceptions when passing bad directives to + time.strptime(). Initial patch by Claudiu Popa. + +- Issue #17435: threading.Timer's __init__ method no longer uses mutable + default values for the args and kwargs parameters. + +- Issue #17526: fix an IndexError raised while passing code without filename to + inspect.findsource(). Initial patch by Tyler Doyle. + +- Issue #17540: Added style parameter to logging formatter configuration by dict. + +- Issue #16692: The ssl module now supports TLS 1.1 and TLS 1.2. Initial + patch by Michele Orrù. + +- Issue #17025: multiprocessing: Reduce Queue and SimpleQueue contention. + +- Issue #17536: Add to webbrowser's browser list: www-browser, x-www-browser, + iceweasel, iceape. + +- Issue #17150: pprint now uses line continuations to wrap long string + literals. + +- Issue #17488: Change the subprocess.Popen bufsize parameter default value + from unbuffered (0) to buffering (-1) to match the behavior existing code + expects and match the behavior of the subprocess module in Python 2 to avoid + introducing hard to track down bugs. + +- Issue #17521: Corrected non-enabling of logger following two calls to + fileConfig(). + +- Issue #17508: Corrected logging MemoryHandler configuration in dictConfig() + where the target handler wasn't configured first. + +- Issue #17209: curses.window.get_wch() now correctly handles KeyboardInterrupt + (CTRL+c). + +- Issue #5713: smtplib now handles 421 (closing connection) error codes when + sending mail by closing the socket and reporting the 421 error code via the + exception appropriate to the command that received the error response. + +- Issue #16997: unittest.TestCase now provides a subTest() context manager + to procedurally generate, in an easy way, small test instances. + +- Issue #17485: Also delete the Request Content-Length header if the data + attribute is deleted. (Follow on to issue Issue #16464). + +- Issue #15927: CVS now correctly parses escaped newlines and carriage + when parsing with quoting turned off. + +- Issue #17467: add readline and readlines support to mock_open in + unittest.mock. + +- Issue #13248: removed deprecated and undocumented difflib.isbjunk, + isbpopular. + +- Issue #17192: Update the ctypes module's libffi to v3.0.13. This + 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 #17443: imaplib.IMAP4_stream was using the default unbuffered IO + in subprocess, but the imap code assumes buffered IO. In Python2 this + worked by accident. IMAP4_stream now explicitly uses buffered IO. + +- Issue #17476: Fixed regression relative to Python2 in undocumented pydoc + 'allmethods'; it was missing unbound methods on the class. + +- Issue #17474: Remove the deprecated methods of Request class. + +- Issue #16709: unittest discover order is no-longer filesystem specific. Patch + by Jeff Ramnani. + +- Use the HTTPS PyPI url for upload, overriding any plain HTTP URL in pypirc. + +- Issue #5024: sndhdr.whichhdr now returns the frame count for WAV files + rather than -1. + +- Issue #17460: Remove the strict argument of HTTPConnection and removing the + DeprecationWarning being issued from 3.2 onwards. + +- Issue #16880: Do not assume _imp.load_dynamic() is defined in the imp module. + +- Issue #16389: Fixed a performance regression relative to Python 3.1 in the + caching of compiled regular expressions. + +- Added missing FeedParser and BytesFeedParser to email.parser.__all__. + +- Issue #17431: Fix missing import of BytesFeedParser in email.parser. + +- Issue #12921: http.server's send_error takes an explain argument to send more + information in response. Patch contributed by Karl. + +- Issue #17414: Add timeit, repeat, and default_timer to timeit.__all__. + +- Issue #1285086: Get rid of the refcounting hack and speed up + urllib.parse.unquote() and urllib.parse.unquote_to_bytes(). + +- Issue #17099: Have importlib.find_loader() raise ValueError when __loader__ + is not set, harmonizing with what happens when the attribute is set to None. + +- Expose the O_PATH constant in the os module if it is available. + +- Issue #17368: Fix an off-by-one error in the Python JSON decoder that caused + a failure while decoding empty object literals when object_pairs_hook was + specified. + +- Issue #17385: Fix quadratic behavior in threading.Condition. The FIFO + queue now uses a deque instead of a list. + +- Issue #15806: Add contextlib.ignore(). This creates a context manager to + ignore specified exceptions, replacing the "except SomeException: pass" idiom. + +- Issue #14645: The email generator classes now produce output using the + specified linesep throughout. Previously if the prolog, epilog, or + body were stored with a different linesep, that linesep was used. This + fix corrects an RFC non-compliance issue with smtplib.send_message. + +- Issue #17278: Fix a crash in heapq.heappush() and heapq.heappop() when + the list is being resized concurrently. + +- Issue #16962: Use getdents64 instead of the obsolete getdents syscall + in the subprocess module on Linux. + +- Issue #16935: unittest now counts the module as skipped if it raises SkipTest, + instead of counting it as an error. Patch by Zachary Ware. + +- Issue #17018: Make Process.join() retry if os.waitpid() fails with EINTR. + +- Issue #17223: array module: Fix a crasher when converting an array containing + invalid characters (outside range [U+0000; U+10ffff]) to Unicode: + repr(array), str(array) and array.tounicode(). Patch written by Manuel Jacob. + +- Issue #17197: profile/cProfile modules refactored so that code of run() and + runctx() utility functions is not duplicated in both modules. + +- Issue #14720: sqlite3: Convert datetime microseconds correctly. + Patch by Lowe Thiderman. + +- Issue #15132: Allow a list for the defaultTest argument of + unittest.TestProgram. Patch by Jyrki Pulliainen. + +- Issue #17225: JSON decoder now counts columns in the first line starting + with 1, as in other lines. + +- Issue #6623: Added explicit DeprecationWarning for ftplib.netrc, which has + been deprecated and undocumented for a long time. + +- Issue #13700: Fix byte/string handling in imaplib authentication when an + authobject is specified. + +- Issue #13153: Tkinter functions now raise TclError instead of ValueError when + a string argument contains non-BMP character. + +- Issue #9669: Protect re against infinite loops on zero-width matching in + non-greedy repeat. Patch by Matthew Barnett. + +- Issue #13169: The maximal repetition number in a regular expression has been + increased from 65534 to 2147483647 (on 32-bit platform) or 4294967294 (on + 64-bit). + +- Issue #17143: Fix a missing import in the trace module. Initial patch by + Berker Peksag. + +- Issue #15220: email.feedparser's line splitting algorithm is now simpler and + faster. + +- Issue #16743: Fix mmap overflow check on 32 bit Windows. + +- Issue #16996: webbrowser module now uses shutil.which() to find a + web-browser on the executable search path. + +- Issue #16800: tempfile.gettempdir() no longer left temporary files when + the disk is full. Original patch by Amir Szekely. + +- Issue #17192: Import libffi-3.0.12. + +- Issue #16564: Fixed regression relative to Python2 in the operation of + email.encoders.encode_7or8bit when used with binary data. + +- Issue #17052: unittest discovery should use self.testLoader. + +- Issue #4591: Uid and gid values larger than 2**31 are supported now. + +- Issue #17141: random.vonmisesvariate() no longer hangs for large kappas. + +- Issue #17149: Fix random.vonmisesvariate to always return results in + [0, 2*math.pi]. + +- Issue #1470548: XMLGenerator now works with binary output streams. + +- Issue #6975: os.path.realpath() now correctly resolves multiple nested + 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. + +- Issue #16564: Fixed regression relative to Python2 in the operation of + email.encoders.encode_noop when used with binary data. + +- Issue #10355: The mode, name, encoding and newlines properties now work on + SpooledTemporaryFile objects even when they have not yet rolled over. + Obsolete method xreadline (which has never worked in Python 3) has been + removed. + +- Issue #16686: Fixed a lot of bugs in audioop module. Fixed crashes in + avgpp(), maxpp() and ratecv(). Fixed an integer overflow in add(), bias(), + and ratecv(). reverse(), lin2lin() and ratecv() no more lose precision for + 32-bit samples. max() and rms() no more returns a negative result and + various other functions now work correctly with 32-bit sample -0x80000000. + +- Issue #17073: Fix some integer overflows in sqlite3 module. + +- Issue #16723: httplib.HTTPResponse no longer marked closed when the connection + is automatically closed. + +- Issue #15359: Add CAN_BCM protocol support to the socket module. Patch by + Brian Thorne. + +- Issue #16948: Fix quoted printable body encoding for non-latin1 character + sets in the email package. + +- Issue #16811: Fix folding of headers with no value in the provisional email + policies. + +- Issue #17132: Update symbol for "yield from" grammar changes. + +- Issue #17076: Make copying of xattrs more tolerant of missing FS support. + Patch by Thomas Wouters. + +- Issue #17089: Expat parser now correctly works with string input when the + 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 + parses nested mutating sequence. + +- Issue #5289: Fix ctypes.util.find_library on Solaris. + +- Issue #17106: Fix a segmentation fault in io.TextIOWrapper when an underlying + stream or a decoder produces data of an unexpected type (i.e. when + io.TextIOWrapper initialized with text stream or use bytes-to-bytes codec). + +- Issue #17015: When it has a spec, a Mock object now inspects its signature + when matching calls, so that arguments can be matched positionally or + by name. + +- Issue #15633: httplib.HTTPResponse is now mark closed when the server + sends less than the advertised Content-Length. + +- Issue #12268: The io module file object write methods no longer abort early + when one of its write system calls is interrupted (EINTR). + +- Issue #6972: The zipfile module no longer overwrites files outside of + its destination path when extracting malicious zip files. + +- Issue #4844: ZipFile now raises BadZipFile when opens a ZIP file with an + incomplete "End of Central Directory" record. Original patch by Guilherme + Polo and Alan McIntyre. + +- Issue #17071: Signature.bind() now works when one of the keyword arguments + is named ``self``. + +- Issue #12004: Fix an internal error in PyZipFile when writing an invalid + Python file. Patch by Ben Morgan. + +- Have py_compile use importlib as much as possible to avoid code duplication. + Code now raises FileExistsError if the file path to be used for the + byte-compiled file is a symlink or non-regular file as a warning that import + will not keep the file path type if it writes to that path. + +- Issue #16972: Have site.addpackage() consider already known paths even when + none are explicitly passed in. Bug report and fix by Kirill. + +- Issue #1602133: on Mac OS X a shared library build (``--enable-shared``) + now fills the ``os.environ`` variable correctly. + +- Issue #15505: `unittest.installHandler` no longer assumes SIGINT handler is + set to a callable object. + +- Issue #13454: Fix a crash when deleting an iterator created by itertools.tee() + if all other iterators were very advanced before. + +- Issue #12411: Fix to cgi.parse_multipart to correctly use bytes boundaries + and bytes data. Patch by Jonas Wagner. + +- Issue #16957: shutil.which() no longer searches a bare file name in the + current directory on Unix and no longer searches a relative file path with + a directory part in PATH directories. Patch by Thomas Kluyver. + +- Issue #1159051: GzipFile now raises EOFError when reading a corrupted file + with truncated header or footer. + +- Issue #16993: shutil.which() now preserves the case of the path and extension + on Windows. + +- Issue #16992: On Windows in signal.set_wakeup_fd, validate the file + descriptor argument. + +- Issue #16422: For compatibility with the Python version, the C version of + decimal now uses strings instead of integers for rounding mode constants. + +- Issue #15861: tkinter now correctly works with lists and tuples containing + strings with whitespaces, backslashes or unbalanced braces. + +- Issue #9720: zipfile now writes correct local headers for files larger than + 4 GiB. + +- Issue #16955: Fix the poll() method for multiprocessing's socket + connections on Windows. + +- SSLContext.load_dh_params() now properly closes the input file. + +- Issue #15031: Refactor some .pyc management code to cut down on code + duplication. Thanks to Ronan Lamy for the report and taking an initial stab + at the problem. + +- Issue #16398: Optimize deque.rotate() so that it only moves pointers + and doesn't touch the underlying data with increfs and decrefs. + +- Issue #16900: Issue a ResourceWarning when an ssl socket is left unclosed. + +- Issue #13899: ``\A``, ``\Z``, and ``\B`` now correctly match the A, Z, + and B literals when used inside character classes (e.g. ``'[\A]'``). + Patch by Matthew Barnett. + +- Issue #15545: Fix regression in sqlite3's iterdump method where it was + failing if the connection used a row factory (such as sqlite3.Row) that + produced unsortable objects. (Regression was introduced by fix for 9750). + +- fcntl: add F_DUPFD_CLOEXEC constant, available on Linux 2.6.24+. + +- Issue #15972: Fix error messages when os functions expecting a file name or + file descriptor receive the incorrect type. + +- Issue #8109: The ssl module now has support for server-side SNI, thanks + to a :meth:`SSLContext.set_servername_callback` method. Patch by Daniel + Black. + +- Issue #16860: In tempfile, use O_CLOEXEC when available to set the + close-on-exec flag atomically. + +- Issue #16674: random.getrandbits() is now 20-40% faster for small integers. + +- Issue #16009: JSON error messages now provide more information. + +- Issue #16828: Fix error incorrectly raised by bz2.compress(b'') and + bz2.BZ2Compressor.compress(b''). Initial patch by Martin Packman. + +- Issue #16833: In http.client.HTTPConnection, do not concatenate the request + headers and body when the payload exceeds 16 KB, since it can consume more + memory for no benefit. Patch by Benno Leslie. + +- Issue #16541: tk_setPalette() now works with keyword arguments. + +- Issue #16820: In configparser, `parser.popitem()` no longer raises ValueError. + This makes `parser.clean()` work correctly. + +- Issue #16820: In configparser, ``parser['section'] = {}`` now preserves + section order within the parser. This makes `parser.update()` preserve section + order as well. + +- Issue #16820: In configparser, ``parser['DEFAULT'] = {}`` now correctly + clears previous values stored in the default section. Same goes for + ``parser.update({'DEFAULT': {}})``. + +- Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy. + +- Issue #16787: Increase asyncore and asynchat default output buffers size, to + decrease CPU usage and increase throughput. + +- Issue #10527: make multiprocessing use poll() instead of select() if available. + +- Issue #16688: Now regexes contained backreferences correctly work with + non-ASCII strings. Patch by Matthew Barnett. + +- Issue #16486: Make aifc files act as context managers. + +- Issue #16485: Now file descriptors are closed if file header patching failed + on closing an aifc file. + +- Issue #16640: Run less code under a lock in sched module. + +- Issue #16165: sched.scheduler.run() no longer blocks a scheduler for other + threads. + +- Issue #16641: Default values of sched.scheduler.enter() are no longer + modifiable. + +- Issue #16618: Make glob.glob match consistently across strings and bytes + regarding leading dots. Patch by Serhiy Storchaka. + +- Issue #16788: Add samestat to Lib/ntpath.py + +- Issue #16713: Parsing of 'tel' urls using urlparse separates params from + path. + +- Issue #16443: Add docstrings to regular expression match objects. + Patch by Anton Kasyanov. + +- Issue #15701: Fix HTTPError info method call to return the headers information. + +- Issue #16752: Add a missing import to modulefinder. Patch by Berker Peksag. + +- Issue #16646: ftplib.FTP.makeport() might lose socket error details. + (patch by Serhiy Storchaka) + +- Issue #16626: Fix infinite recursion in glob.glob() on Windows when the + pattern contains a wildcard in the drive or UNC path. Patch by Serhiy + Storchaka. + +- Issue #15783: Except for the number methods, the C version of decimal now + supports all None default values present in decimal.py. These values were + largely undocumented. + +- Issue #11175: argparse.FileType now accepts encoding and errors + arguments. Patch by Lucas Maystre. + +- Issue #16488: epoll() objects now support the `with` statement. Patch + by Serhiy Storchaka. + +- Issue #16298: In HTTPResponse.read(), close the socket when there is no + Content-Length and the incoming stream is finished. Patch by Eran + Rundstein. + +- Issue #16049: Add abc.ABC class to enable the use of inheritance to create + ABCs, rather than the more cumbersome metaclass=ABCMeta. Patch by Bruno + Dupuis. + +- Expose the TCP_FASTOPEN and MSG_FASTOPEN flags in socket when they're + available. + +- Issue #15701: Add a .headers attribute to urllib.error.HTTPError. Patch + contributed by Berker Peksag. + +- Issue #15872: Fix 3.3 regression introduced by the new fd-based shutil.rmtree + that caused it to not ignore certain errors when ignore_errors was set. + Patch by Alessandro Moura and Serhiy Storchaka. + +- Issue #16248: Disable code execution from the user's home directory by + tkinter when the -E flag is passed to Python. Patch by Zachary Ware. + +- Issue #13390: New function :func:`sys.getallocatedblocks()` returns the + number of memory blocks currently allocated. + +- Issue #16628: Fix a memory leak in ctypes.resize(). + +- Issue #13614: Fix setup.py register failure with invalid rst in description. + Patch by Julien Courteau and Pierre Paul Lefebvre. + +- Issue #13512: Create ~/.pypirc securely (CVE-2011-4944). Initial patch by + Philip Jenvey, tested by Mageia and Debian. + +- 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. + Patch by Ilya Sandler. + +- Issue #16585: Make CJK encoders support error handlers that return bytes per + PEP 383. + +- Issue #10182: The re module doesn't truncate indices to 32 bits anymore. + Patch by Serhiy Storchaka. + +- Issue #16333: use (",", ": ") as default separator in json when indent is + specified, to avoid trailing whitespace. Patch by Serhiy Storchaka. + +- Issue #16573: In 2to3, treat enumerate() like a consuming call, so superfluous + list() calls aren't added to filter(), map(), and zip() which are directly + passed enumerate(). + +- Issue #16464: Reset the Content-Length header when a urllib Request is reused + with new data. + +- Issue #12848: The pure Python pickle implementation now treats object + lengths as unsigned 32-bit integers, like the C implementation does. + Patch by Serhiy Storchaka. + +- Issue #16423: urllib.request now has support for ``data:`` URLs. Patch by + Mathias Panzenböck. + +- Issue #4473: Add a POP3.stls() to switch a clear-text POP3 session into + an encrypted POP3 session, on supported servers. Patch by Lorenzo Catucci. + +- Issue #4473: Add a POP3.capa() method to query the capabilities advertised + by the POP3 server. Patch by Lorenzo Catucci. + +- Issue #4473: Ensure the socket is shutdown cleanly in POP3.close(). + Patch by Lorenzo Catucci. + +- Issue #16522: added FAIL_FAST flag to doctest. + +- Issue #15627: Add the importlib.abc.InspectLoader.source_to_code() method. + +- Issue #16408: Fix file descriptors not being closed in error conditions + in the zipfile module. Patch by Serhiy Storchaka. + +- Issue #14631: Add a new :class:`weakref.WeakMethod` to simulate weak + references to bound methods. + +- Issue #16469: Fix exceptions from float -> Fraction and Decimal -> Fraction + conversions for special values to be consistent with those for float -> int + and Decimal -> int. Patch by Alexey Kachayev. + +- Issue #16481: multiprocessing no longer leaks process handles on Windows. + +- Issue #12428: Add a pure Python implementation of functools.partial(). + Patch by Brian Thorne. + +- Issue #16140: The subprocess module no longer double closes its child + subprocess.PIPE parent file descriptors on child error prior to exec(). + +- Remove a bare print to stdout from the subprocess module that could have + happened if the child process wrote garbage to its pre-exec error pipe. + +- The subprocess module now raises its own SubprocessError instead of a + RuntimeError in various error situations which should not normally happen. + +- Issue #16327: The subprocess module no longer leaks file descriptors + used for stdin/stdout/stderr pipes to the child when fork() fails. + +- Issue #14396: Handle the odd rare case of waitpid returning 0 when not + expected in subprocess.Popen.wait(). + +- Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access + previously-freed memory. Patch by Serhiy Storchaka. + +- Issue #16357: fix calling accept() on a SSLSocket created through + SSLContext.wrap_socket(). Original patch by Jeff McNeil. + +- Issue #16409: The reporthook callback made by the legacy + urllib.request.urlretrieve API now properly supplies a constant non-zero + block_size as it did in Python 3.2 and 2.7. This matches the behavior of + urllib.request.URLopener.retrieve. + +- Issue #16431: Use the type information when constructing a Decimal subtype + from a Decimal argument. + +- Issue #15641: Clean up deprecated classes from importlib. + Patch by Taras Lyapun. + +- Issue #16350: zlib.decompressobj().decompress() now accumulates data from + successive calls after EOF in unused_data, instead of only saving the argument + to the last call. decompressobj().flush() now correctly sets unused_data and + unconsumed_tail. A bug in the handling of MemoryError when setting the + unconsumed_tail attribute has also been fixed. Patch by Serhiy Storchaka. + +- Issue #12759: sre_parse now raises a proper error when the name of the group + is missing. Initial patch by Serhiy Storchaka. + +- Issue #16152: fix tokenize to ignore whitespace at the end of the code when + no newline is found. Patch by Ned Batchelder. + +- 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 + size while iterated on. Patch by Serhiy Storchaka. + +- Issue #16228: Fix a crash in the json module where a list changes size + while it is being encoded. Patch by Serhiy Storchaka. + +- Issue #16351: New function gc.get_stats() returns per-generation collection + statistics. + +- Issue #14897: Enhance error messages of struct.pack and + struct.pack_into. Patch by Matti Mäki. + +- Issue #16316: mimetypes now recognizes the .xz and .txz (.tar.xz) extensions. + Patch by Serhiy Storchaka. + +- Issue #12890: cgitb no longer prints spurious

tags in text + mode when the logdir option is specified. + +- Issue #16307: Fix multiprocessing.Pool.map_async not calling its callbacks. + Patch by Janne Karila. + +- Issue #16305: Fix a segmentation fault occurring when interrupting + math.factorial. + +- Issue #16116: Fix include and library paths to be correct when building C + extensions in venvs. + +- 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://`` + urls. + +- Issue #16250: Fix the invocations of URLError which had misplaced filename + attribute for exception. + +- Issue #10836: Fix exception raised when file not found in urlretrieve + Initial patch by Ezio Melotti. + +- Issue #14398: Fix size truncation and overflow bugs in the bz2 module. + +- Issue #12692: Fix resource leak in urllib.request when talking to an HTTP + server that does not include a ``Connection: close`` header in its responses. + +- Issue #12034: Fix bogus caching of result in check_GetFinalPathNameByHandle. + Patch by Atsuo Ishimoto. + +- Improve performance of `lzma.LZMAFile` (see also issue #16034). + +- Issue #16220: wsgiref now always calls close() on an iterable response. + Patch by Brent Tubbs. + +- Issue #16270: urllib may hang when used for retrieving files via FTP by using + a context manager. Patch by Giampaolo Rodola'. + +- Issue #16461: Wave library should be able to deal with 4GB wav files, + and sample rate of 44100 Hz. + +- 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. + +- 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 + keyword arguments specified a path that did not exist. + +- Issue #16169: Fix ctypes.WinError()'s confusion between errno and winerror. + +- Issue #16110: logging.fileConfig now accepts a pre-initialised ConfigParser + instance. + +- Issue #1492704: shutil.copyfile() raises a distinct SameFileError now if + source and destination are the same file. Patch by Atsuo Ishimoto. + +- Issue #13896: Make shelf instances work with 'with' as context managers. + Original patch by Filip Gruszczyński. + +- Issue #15417: Add support for csh and fish in venv activation scripts. + +- Issue #14377: ElementTree.write and some of the module-level functions have + a new parameter - *short_empty_elements*. It controls how elements with no + contents are emitted. + +- Issue #16089: Allow ElementTree.TreeBuilder to work again with a non-Element + element_factory (fixes a regression in SimpleTAL). + +- Issue #9650: List commonly used format codes in time.strftime and + time.strptime docsttings. Original patch by Mike Hoy. + +- Issue #15452: logging configuration socket listener now has a verify option + that allows an application to apply a verification function to the + received configuration data before it is acted upon. + +- Issue #16034: Fix performance regressions in the new `bz2.BZ2File` + implementation. Initial patch by Serhiy Storchaka. + +- `pty.spawn()` now returns the child process status returned by `os.waitpid()`. + +- Issue #15756: `subprocess.poll()` now properly handles `errno.ECHILD` to + return a returncode of 0 when the child has already exited or cannot be waited + on. + +- Issue #15323: Improve failure message of `Mock.assert_called_once_with()`. + +- Issue #16064: ``unittest -m`` claims executable is "python", not "python3". + +- Issue #12376: Pass on parameters in `TextTestResult.__init__()` super call. + +- Issue #15222: Insert blank line after each message in mbox mailboxes. + +- Issue #16013: Fix `csv.Reader` parsing issue with ending quote characters. + Patch by Serhiy Storchaka. + +- Issue #15421: Fix an OverflowError in `Calendar.itermonthdates()` after + `datetime.MAXYEAR`. Patch by Cédric Krier. + +- Issue #16112: platform.architecture does not correctly escape argument to + /usr/bin/file. Patch by David Benjamin. + +- Issue #15970: `xml.etree.ElementTree` now serializes correctly the empty HTML + elements 'meta' and 'param'. + +- Issue #15842: The `SocketIO.{readable,writable,seekable}` methods now raise + ValueError when the file-like object is closed. Patch by Alessandro Moura. + +- Issue #15876: Fix a refleak in the `curses` module: window.encoding. + +- Issue #15881: Fix `atexit` hook in `multiprocessing`. Original patch by Chris + McDonough. + +- Issue #15841: The readable(), writable() and seekable() methods of + `io.BytesIO` and `io.StringIO` objects now raise ValueError when the object + has been closed. Patch by Alessandro Moura. + +- Issue #15447: Use `subprocess.DEVNULL` in webbrowser, instead of opening + `os.devnull` explicitly and leaving it open. + +- Issue #15509: `webbrowser.UnixBrowser` no longer passes empty arguments to + Popen when ``%action`` substitutions produce empty strings. + +- Issue #12776, issue #11839: Call `argparse` type function (specified by + add_argument) only once. Before, the type function was called twice in the + case where the default was specified and the argument was given as well. This + was especially problematic for the FileType type, as a default file would + always be opened, even if a file argument was specified on the command line. + +- Issue #15906: Fix a regression in argparse caused by the preceding change, + when ``action='append'``, ``type='str'`` and ``default=[]``. + +- Issue #16113: Added sha3 module based on the Keccak reference implementation + 3.2. The `hashlib` module has four additional hash algorithms: `sha3_224`, + `sha3_256`, `sha3_384` and `sha3_512`. As part of the patch some common + code was moved from _hashopenssl.c to hashlib.h. + +- ctypes.call_commethod was removed, since its only usage was in the defunct + samples directory. + +- Issue #16692: Added TLSv1.1 and TLSv1.2 support for the ssl modules. + +- Issue #16832: add abc.get_cache_token() to expose cache validity checking + support in ABCMeta. + +IDLE +---- + +- Issue #18429: Format / Format Paragraph, now works when comment blocks + are selected. As with text blocks, this works best when the selection + only includes complete lines. + +- Issue #18226: Add docstrings and unittests for FormatParagraph.py. + Original patches by Todd Rovito and Phil Webster. + +- Issue #18279: Format - Strip trailing whitespace no longer marks a file as + changed when it has not been changed. This fix followed the addition of a + test file originally written by Phil Webster (the issue's main goal). + +- Issue #7136: In the Idle File menu, "New Window" is renamed "New File". + Patch by Tal Einat, Roget Serwy, and Todd Rovito. + +- Remove dead imports of imp. + +- Issue #18196: Avoid displaying spurious SystemExit tracebacks. + +- Issue #5492: Avoid traceback when exiting IDLE caused by a race condition. + +- Issue #17511: Keep IDLE find dialog open after clicking "Find Next". + Original patch by Sarah K. + +- Issue #18055: Move IDLE off of imp and on to importlib. + +- Issue #15392: Create a unittest framework for IDLE. + Initial patch by Rajagopalasarma Jayakrishnan. + See Lib/idlelib/idle_test/README.txt for how to run Idle tests. + +- Issue #14146: Highlight source line while debugging on Windows. + +- Issue #17838: Allow sys.stdin to be reassigned. + +- Issue #13495: Avoid loading the color delegator twice in IDLE. + +- Issue #17798: Allow IDLE to edit new files when specified on command line. + +- Issue #14735: Update IDLE docs to omit "Control-z on Windows". + +- Issue #17532: Always include Options menu for IDLE on OS X. + Patch by Guilherme Simões. + +- Issue #17585: Fixed IDLE regression. Now closes when using exit() or quit(). + +- Issue #17657: Show full Tk version in IDLE's about dialog. + Patch by Todd Rovito. + +- Issue #17613: Prevent traceback when removing syntax colorizer in IDLE. + +- Issue #1207589: Backwards-compatibility patch for right-click menu in IDLE. + +- Issue #16887: IDLE now accepts Cancel in tabify/untabify dialog box. + +- Issue #17625: In IDLE, close the replace dialog after it is used. + +- Issue #14254: IDLE now handles readline correctly across shell restarts. + +- Issue #17614: IDLE no longer raises exception when quickly closing a file. + +- Issue #6698: IDLE now opens just an editor window when configured to do so. + +- Issue #8900: Using keyboard shortcuts in IDLE to open a file no longer + raises an exception. + +- Issue #6649: Fixed missing exit status in IDLE. Patch by Guilherme Polo. + +- Issue #17114: IDLE now uses non-strict config parser. + +- Issue #9290: In IDLE the sys.std* streams now implement io.TextIOBase + interface and support all mandatory methods and properties. + +- Issue #5066: Update IDLE docs. Patch by Todd Rovito. + +- Issue #16829: IDLE printing no longer fails if there are spaces or other + special characters in the file path. + +- Issue #16491: IDLE now prints chained exception tracebacks. + +- Issue #16819: IDLE method completion now correctly works for bytes literals. + +- Issue #16504: IDLE now catches SyntaxErrors raised by tokenizer. Patch by + Roger Serwy. + +- Issue #16511: Use default IDLE width and height if config param is not valid. + Patch Serhiy Storchaka. + +- Issue #1207589: Add Cut/Copy/Paste items to IDLE right click Context Menu. + Patch by Todd Rovito. + +- Issue #16123: IDLE - deprecate running without a subprocess. + Patch by Roger Serwy. + +Tests +----- + +- Issue #1666318: Add a test that shutil.copytree() retains directory + permissions. Patch by Catherine Devlin. + +- Issue #18273: move the tests in Lib/test/json_tests to Lib/test/test_json + and make them discoverable by unittest. Patch by Zachary Ware. + +- Fix a fcntl test case on KFreeBSD, Debian #708653 (Petr Salinger). + +- Issue #18396: Fix spurious test failure in test_signal on Windows when + faulthandler is enabled (Patch by Jeremy Kloth) + +- Issue #17046: Fix broken test_executable_without_cwd in test_subprocess. + +- Issue #15415: Add new temp_dir() and change_cwd() context managers to + test.support, and refactor temp_cwd() to use them. Patch by Chris Jerdonek. + +- Issue #15494: test.support is now a package rather than a module (Initial + patch by Indra Talip) + +- Issue #17944: test_zipfile now discoverable and uses subclassing to + generate tests for different compression types. Fixed a bug with skipping + some tests due to use of exhausted iterators. + +- Issue #18266: test_largefile now works with unittest test discovery and + supports running only selected tests. Patch by Zachary Ware. + +- Issue #17767: test_locale now works with unittest test discovery. + Original patch by Zachary Ware. + +- Issue #18375: Assume --randomize when --randseed is used for running the + testsuite. + +- Issue #11185: Fix test_wait4 under AIX. Patch by Sébastien Sablé. + +- Issue #18207: Fix test_ssl for some versions of OpenSSL that ignore seconds + in ASN1_TIME fields. + +- Issue #18094: test_uuid no longer reports skipped tests as passed. + +- Issue #17992: Add timeouts to asyncore and asynchat tests so that they won't + accidentally hang. + +- Issue #17833: Fix test_gdb failures seen on machines where debug symbols + for glibc are available (seen on PPC64 Linux). + +- Issue #7855: Add tests for ctypes/winreg for issues found in IronPython. + Initial patch by Dino Viehland. + +- Issue #11078: test___all__ now checks for duplicates in __all__. + Initial patch by R. David Murray. + +- Issue #17712: Fix test_gdb failures on Ubuntu 13.04. + +- Issue #17835: Fix test_io when the default OS pipe buffer size is larger + than one million bytes. + +- Issue #17065: Use process-unique key for winreg tests to avoid failures if + test is run multiple times in parallel (eg: on a buildbot host). + +- Issue #12820: add tests for the xml.dom.minicompat module. + Patch by John Chandler and Phil Connell. + +- Issue #17691: test_univnewlines now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17790: test_set now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17789: test_random now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17779: test_osx_env now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17766: test_iterlen now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17690: test_time now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17692: test_sqlite now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #11995: test_pydoc doesn't import all sys.path modules anymore. + +- Issue #17448: test_sax now skips if there are no xml parsers available + instead of raising an ImportError. + +- Issue #11420: make test suite pass with -B/DONTWRITEBYTECODE set. + Initial patch by Thomas Wouters. + +- Issue #10652: make tcl/tk tests run after __all__ test, patch by + Zachary Ware. + +- Issue #11963: remove human verification from test_parser and test_subprocess. + +- Issue #11732: add a new suppress_crash_popup() context manager to test.support + that disables crash popups on Windows and use it in test_faulthandler and + test_capi. + +- Issue #13898: test_ssl no longer prints a spurious stack trace on Ubuntu. + +- Issue #17283: Share code between `__main__.py` and `regrtest.py` in + `Lib/test`. + +- Issue #17249: convert a test in test_capi to use unittest and reap threads. + +- Issue #17107: Test client-side SNI support in urllib.request thanks to + the new server-side SNI support in the ssl module. Initial patch by + Daniel Black. + +- Issue #17041: Fix testing when Python is configured with the + --without-doc-strings. + +- Issue #16923: Fix ResourceWarnings in test_ssl. + +- Issue #15539: Added regression tests for Tools/scripts/pindent.py. + +- Issue #17479: test_io now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17066: test_robotparser now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17334: test_index now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17333: test_imaplib now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17082: test_dbm* now work with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17079: test_ctypes now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17304: test_hash now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17303: test_future* now work with unittest test discovery. + Patch by Zachary Ware. + +- Issue #17163: test_file now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16925: test_configparser now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16918: test_codecs now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16919: test_crypt now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16910: test_bytes, test_unicode, and test_userstring now work with + unittest test discovery. Patch by Zachary Ware. + +- Issue #16905: test_warnings now works with unittest test discovery. + Initial patch by Berker Peksag. + +- Issue #16898: test_bufio now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16888: test_array now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16896: test_asyncore now works with unittest test discovery. + Patch by Zachary Ware. + +- Issue #16897: test_bisect now works with unittest test discovery. + Initial patch by Zachary Ware. + +- Issue #16852: test_genericpath, test_posixpath, test_ntpath, and test_macpath + now work with unittest test discovery. Patch by Zachary Ware. + +- Issue #16748: test_heapq now works with unittest test discovery. + +- Issue #10646: Tests rearranged for os.samefile/samestat to check for not + just symlinks but also hard links. + +- Issue #15302: Switch regrtest from using getopt to using argparse. + +- Issue #15324: Fix regrtest parsing of --fromfile, --match, and --randomize + options. + +- Issue #16702: test_urllib2_localnet tests now correctly ignores proxies for + localhost tests. + +- Issue #16664: Add regression tests for glob's behaviour concerning entries + starting with a ".". Patch by Sebastian Kreft. + +- Issue #13390: The ``-R`` option to regrtest now also checks for memory + allocation leaks, using :func:`sys.getallocatedblocks()`. + +- Issue #16559: Add more tests for the json module, including some from the + official test suite at json.org. Patch by Serhiy Storchaka. + +- Issue #16661: Fix the `os.getgrouplist()` test by not assuming that it gives + the same output as :command:`id -G`. + +- Issue #16115: Add some tests for the executable argument to + subprocess.Popen(). Initial patch by Kushal Das. + +- Issue #16126: PyErr_Format format mismatch in _testcapimodule.c. + Patch by Serhiy Storchaka. + +- Issue #15304: Fix warning message when `os.chdir()` fails inside + `test.support.temp_cwd()`. Patch by Chris Jerdonek. + +- Issue #15802: Fix test logic in `TestMaildir.test_create_tmp()`. Patch by + Serhiy Storchaka. + +- Issue #15557: Added a test suite for the webbrowser module, thanks to Anton + Barkovsky. + +- Issue #16698: Skip posix test_getgroups when built with OS X + deployment target prior to 10.6. + +Build +----- + +- Issue #16067: Add description into MSI file to replace installer's + temporary name. + +- Issue #18257: Fix readlink usage in python-config. Install the python + version again on Darwin. + +- Issue #18481: Add C coverage reporting with gcov and lcov. A new make target + "coverage-report" creates an instrumented Python build, runs unit tests + and creates a HTML. The report can be updated with "make coverage-lcov". + +- Issue #17845: Clarified the message printed when some module are not built. + +- Issue #18256: Compilation fix for recent AIX releases. Patch by + David Edelsohn. + +- Issue #17547: In configure, explicitly pass -Wformat for the benefit for GCC + 4.8. + +- Issue #15172: Document NASM 2.10+ as requirement for building OpenSSL 1.0.1 + on Windows. + +- Issue #17591: Use lowercase filenames when including Windows header files. + Patch by Roumen Petrov. + +- Issue #17550: Fix the --enable-profiling configure switch. + +- Issue #17425: Build with openssl 1.0.1d on Windows. + +- Issue #16754: Fix the incorrect shared library extension on linux. Introduce + two makefile macros SHLIB_SUFFIX and EXT_SUFFIX. SO now has the value of + SHLIB_SUFFIX again (as in 2.x and 3.1). The SO macro is removed in 3.4. + +- Issue #5033: Fix building of the sqlite3 extension module when the + SQLite library version has "beta" in it. Patch by Andreas Pelme. + +- Issue #17228: Fix building without pymalloc. + +- Issue #3718: Use AC_ARG_VAR to set MACHDEP in configure.ac. + +- Issue #16235: Implement python-config as a shell script. + +- Issue #16769: Remove outdated Visual Studio projects. + +- Issue #17031: Fix running regen in cross builds. + +- Issue #3754: fix typo in pthread AC_CACHE_VAL. + +- Issue #15484: Fix _PYTHON_PROJECT_BASE for srcdir != builddir builds; + use _PYTHON_PROJECT_BASE in distutils/sysconfig.py. + +- Drop support for Windows 2000 (changeset e52df05b496a). + +- Issue #17029: Let h2py search the multiarch system include directory. + +- Issue #16953: Fix socket module compilation on platforms with + HAVE_BROKEN_POLL. Patch by Jeffrey Armstrong. + +- Issue #16320: Remove redundant Makefile dependencies for strings and bytes. + +- Cross compiling needs host and build settings. configure no longer + creates a broken PYTHON_FOR_BUILD variable when --build is missing. + +- Fix cross compiling issue in setup.py, ensure that lib_dirs and inc_dirs are + defined in cross compiling mode, too. + +- Issue #16836: Enable IPv6 support even if IPv6 is disabled on the build host. + +- Issue #16593: Have BSD 'make -s' do the right thing, thanks to Daniel Shahaf + +- Issue #16262: fix out-of-src-tree builds, if mercurial is not installed. + +- Issue #15298: ensure _sysconfigdata is generated in build directory, not + source directory. + +- Issue #15833: Fix a regression in 3.3 that resulted in exceptions being + raised if importlib failed to write byte-compiled files. This affected + attempts to build Python out-of-tree from a read-only source directory. + +- Issue #15923: Fix a mistake in ``asdl_c.py`` that resulted in a TypeError + after 2801bf875a24 (see #15801). + +- Issue #16135: Remove OS/2 support. + +- Issue #15819: Make sure we can build Python out-of-tree from a read-only + source directory. (Somewhat related to issue #9860.) + +- Issue #15587: Enable Tk high-resolution text rendering on Macs with + Retina displays. Applies to Tkinter apps, such as IDLE, on OS X + framework builds linked with Cocoa Tk 8.5. + +- Issue #17161: make install now also installs a python3 man page. + +C-API +----- + +- Issue #18351: Fix various issues in a function in importlib provided to help + 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. + +- Issue #17206: Py_CLEAR(), Py_DECREF(), Py_XINCREF() and Py_XDECREF() now + expand their arguments once instead of multiple times. Patch written by Illia + Polosukhin. + +- Issue #17522: Add the PyGILState_Check() API. + +- Issue #17327: Add PyDict_SetDefault. + +- Issue #16881: Fix Py_ARRAY_LENGTH macro for GCC < 3.1. + +- Issue #16505: Remove unused Py_TPFLAGS_INT_SUBCLASS. + +- Issue #16086: PyTypeObject.tp_flags and PyType_Spec.flags are now unsigned + (unsigned long and unsigned int) to avoid an undefined behaviour with + Py_TPFLAGS_TYPE_SUBCLASS ((1 << 31). PyType_GetFlags() result type is + now unsigned too (unsigned long, instead of long). + +- Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified + endianness detection and handling. + +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 + object's custom `__hash__()` method. + +- Issue #17844: Add links to encoders and decoders for bytes-to-bytes codecs. + +- Issue #14097: improve the "introduction" page of the tutorial. + +- Issue #17977: The documentation for the cadefault argument's default value + in urllib.request.urlopen() is fixed to match the code. + +- Issue #6696: add documentation for the Profile objects, and improve + profile/cProfile docs. Patch by Tom Pinckney. + +- Issue #15940: Specify effect of locale on time functions. + +- Issue #17538: Document XML vulnerabilties + +- Issue #16642: sched.scheduler timefunc initial default is time.monotonic. + Patch by Ramchandra Apte + +- Issue #17047: remove doubled words in docs and docstrings + reported by Serhiy Storchaka and Matthew Barnett. + +- Issue #15465: Document the versioning macros in the C API docs rather than + the standard library docs. Patch by Kushal Das. + +- Issue #16406: Combine the pages for uploading and registering to PyPI. + +- Issue #16403: Document how distutils uses the maintainer field in + PKG-INFO. Patch by Jyrki Pulliainen. + +- Issue #16695: Document how glob handles filenames starting with a + dot. Initial patch by Jyrki Pulliainen. + +- Issue #8890: Stop advertising an insecure practice by replacing uses + of the /tmp directory with better alternatives in the documentation. + Patch by Geoff Wilson. + +- Issue #17203: add long option names to unittest discovery docs. + +- Issue #13094: add "Why do lambdas defined in a loop with different values + all return the same result?" programming FAQ. + +- Issue #14901: Update portions of the Windows FAQ. + Patch by Ashish Nitin Patil. + +- Issue #16267: Better document the 3.3+ approach to combining + @abstractmethod with @staticmethod, @classmethod and @property + +- Issue #15209: Clarify exception chaining description in exceptions module + documentation + +- Issue #15990: Improve argument/parameter documentation. + +- Issue #16209: Move the documentation for the str built-in function to a new + str class entry in the "Text Sequence Type" section. + +- Issue #13538: Improve str() and object.__str__() documentation. + +- Issue #16489: Make it clearer that importlib.find_loader() needs parent + packages to be explicitly imported. + +- Issue #16400: Update the description of which versions of a given package + PyPI displays. + +- Issue #15677: Document that zlib and gzip accept a compression level of 0 to + mean 'no compression'. Patch by Brian Brazil. + +- Issue #16197: Update winreg docstrings and documentation to match code. + Patch by Zachary Ware. + +- Issue #8040: added a version switcher to the documentation. Patch by + Yury Selivanov. + +- Issue #16241: Document -X faulthandler command line option. + Patch by Marek Šuppa. + +- Additional comments and some style changes in the concurrent.futures URL + retrieval example + +- Issue #16115: Improve subprocess.Popen() documentation around args, shell, + and executable arguments. + +- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument. Done with + great native-speaker help from R. David Murray. + +- Issue #15533: Clarify docs and add tests for `subprocess.Popen()`'s cwd + argument. + +- Issue #15979: Improve timeit documentation. + +- Issue #16036: Improve documentation of built-in `int()`'s signature and + arguments. + +- Issue #15935: Clarification of `argparse` docs, re: add_argument() type and + default arguments. Patch contributed by Chris Jerdonek. + +- Issue #11964: Document a change in v3.2 to the behavior of the indent + parameter of json encoding operations. + +- Issue #15116: Remove references to appscript as it is no longer being + supported. + +Tools/Demos +----------- + +- Issue #18817: Fix a resource warning in Lib/aifc.py demo. Patch by + Vajrasky Kok. + +- Issue #18439: Make patchcheck work on Windows for ACKS, NEWS. + +- Issue #18448: Fix a typo in Tools/demo/eiffel.py. + +- Issue #18457: Fixed saving of formulas and complex numbers in + Tools/demo/ss1.py. + +- Issue #18449: Make Tools/demo/ss1.py work again on Python 3. Patch by + Févry Thibault. + +- Issue #12990: The "Python Launcher" on OSX could not launch python scripts + that have paths that include wide characters. + +- Issue #15239: Make mkstringprep.py work again on Python 3. + +- Issue #17028: Allowed Python arguments to be supplied to the Windows + launcher. + +- Issue #17156: pygettext.py now detects the encoding of source files and + correctly writes and escapes non-ascii characters. + +- Issue #15539: Fix a number of bugs in Tools/scripts/pindent.py. Now + pindent.py works with a "with" statement. pindent.py no longer produces + improper indentation. pindent.py now works with continued lines broken after + "class" or "def" keywords and with continuations at the start of line. + +- Issue #11797: Add a 2to3 fixer that maps reload() to imp.reload(). + +- Issue #10966: Remove the concept of unexpected skipped tests. + +- Issue #9893: Removed the Misc/Vim directory. + +- Removed the Misc/TextMate directory. + +- Issue #16245: Add the Tools/scripts/parse_html5_entities.py script to parse + the list of HTML5 entities and update the html.entities.html5 dictionary. + +- Issue #15378: Fix Tools/unicode/comparecodecs.py. Patch by Serhiy Storchaka. + +- Issue #16549: Make json.tool work again on Python 3 and add tests. + Initial patch by Berker Peksag and Serhiy Storchaka. + +- Issue #13301: use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py. + Patch by Serhiy Storchaka. + +Windows +------- + +- Issue #18569: The installer now adds .py to the PATHEXT variable when extensions + are registered. Patch by Paul Moore. + + What's New in Python 3.3.0? =========================== diff --git a/Misc/NEWS b/Misc/NEWS index 5f2ded4724..fe71b35112 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -2,8 +2,8 @@ Python News +++++++++++ -What's New in Python 3.6.0 beta 2 -================================= +What's New in Python 3.7.0 alpha 1 +================================== *Release date: XXXX-XX-XX* @@ -6105,4304 +6105,5 @@ Windows ".cp35-win32.pyd") will now be loaded in preference to those without tags. -What's New in Python 3.4.0? -=========================== - -Release date: 2014-03-16 - -Library -------- - -- Issue #20939: Fix test_geturl failure in test_urllibnet due to - new redirect of http://www.python.org/ to https://www.python.org. - -Documentation -------------- - -- Merge in all documentation changes since branching 3.4.0rc1. - - -What's New in Python 3.4.0 release candidate 3? -=============================================== - -Release date: 2014-03-09 - -Core and Builtins ------------------ - -- Issue #20786: Fix signatures for dict.__delitem__ and - property.__delete__ builtins. - -Library -------- - -- Issue #20839: Don't trigger a DeprecationWarning in the still supported - pkgutil.get_loader() API when __loader__ isn't set on a module (nor - when pkgutil.find_loader() is called directly). - -Build ------ - -- Issue #14512: Launch pydoc -b instead of pydocgui.pyw on Windows. - -- Issue #20748: Uninstalling pip does not leave behind the pyc of - the uninstaller anymore. - -- Issue #20568: The Windows installer now installs the unversioned ``pip`` - command in addition to the versioned ``pip3`` and ``pip3.4`` commands. - -- Issue #20757: The ensurepip helper for the Windows uninstaller now skips - uninstalling pip (rather than failing) if the user has updated pip to a - different version from the one bundled with ensurepip. - -- Issue #20465: Update OS X and Windows installer builds to use - SQLite 3.8.3.1. - - -What's New in Python 3.4.0 release candidate 2? -=============================================== - -Release date: 2014-02-23 - -Core and Builtins ------------------ - -- Issue #20625: Parameter names in __annotations__ were not mangled properly. - Discovered by Jonas Wielicki, patch by Yury Selivanov. - -- Issue #20261: In pickle, lookup __getnewargs__ and __getnewargs_ex__ on the - type of the object. - -- Issue #20619: Give the AST nodes of keyword-only arguments a column and line - number. - -- Issue #20526: Revert changes of issue #19466 which introduces a regression: - don't clear anymore the state of Python threads early during the Python - shutdown. - -Library -------- - -- Issue #20710: The pydoc summary line no longer displays the "self" parameter - for bound methods. - -- Issue #20566: Change asyncio.as_completed() to use a Queue, to - avoid O(N**2) behavior. - -- Issue #20704: Implement new debug API in asyncio. Add new methods - BaseEventLoop.set_debug() and BaseEventLoop.get_debug(). - Add support for setting 'asyncio.tasks._DEBUG' variable with - 'PYTHONASYNCIODEBUG' environment variable. - -- asyncio: Refactoring and fixes: BaseEventLoop.sock_connect() raises an - error if the address is not resolved; use __slots__ in Handle and - TimerHandle; as_completed() and wait() raise TypeError if the passed - list of Futures is a single Future; call_soon() and other 'call_*()' - functions raise TypeError if the passed callback is a coroutine - function; _ProactorBasePipeTransport uses _FlowControlMixin; - WriteTransport.set_write_buffer_size() calls _maybe_pause_protocol() - to consider pausing receiving if the watermark limits have changed; - fix _check_resolved_address() for IPv6 address; and other minor - improvements, along with multiple documentation updates. - -- Issue #20684: Fix inspect.getfullargspec() to not to follow __wrapped__ - chains. Make its behaviour consistent with bound methods first argument. - Patch by Nick Coghlan and Yury Selivanov. - -- Issue #20681: Add new error handling API in asyncio. New APIs: - loop.set_exception_handler(), loop.default_exception_handler(), and - loop.call_exception_handler(). - -- Issue #20673: Implement support for UNIX Domain Sockets in asyncio. - New APIs: loop.create_unix_connection(), loop.create_unix_server(), - streams.open_unix_connection(), and streams.start_unix_server(). - -- Issue #20616: Add a format() method to tracemalloc.Traceback. - -- Issue #19744: the ensurepip installation step now just prints a warning to - stderr rather than failing outright if SSL/TLS is unavailable. This allows - local installation of POSIX builds without SSL/TLS support. - -- Issue #20594: Avoid name clash with the libc function posix_close. - -Build ------ - -- Issue #20641: Run MSI custom actions (pip installation, pyc compilation) - with the NoImpersonate flag, to support elevated execution (UAC). - -- Issue #20221: Removed conflicting (or circular) hypot definition when - compiled with VS 2010 or above. Initial patch by Tabrez Mohammed. - -- Issue #20609: Restored the ability to build 64-bit Windows binaries on - 32-bit Windows, which was broken by the change in issue #19788. - - -What's New in Python 3.4.0 release candidate 1? -=============================================== - -Release date: 2014-02-10 - -Core and Builtins ------------------ - -- Issue #19255: The builtins module is restored to initial value before - cleaning other modules. The sys and builtins modules are cleaned last. - -- Issue #20588: Make Python-ast.c C89 compliant. - -- Issue #20437: Fixed 22 potential bugs when deleting object references. - -- Issue #20500: Displaying an exception at interpreter shutdown no longer - risks triggering an assertion failure in PyObject_Str. - -- Issue #20538: UTF-7 incremental decoder produced inconsistent string when - input was truncated in BASE64 section. - -- Issue #20404: io.TextIOWrapper (and hence the open() builtin) now uses the - internal codec marking system added for issue #19619 to throw LookupError - for known non-text encodings at stream construction time. The existing - output type checks remain in place to deal with unmarked third party - codecs. - -- Issue #17162: Add PyType_GetSlot. - -- Issue #20162: Fix an alignment issue in the siphash24() hash function which - caused a crash on PowerPC 64-bit (ppc64). - -Library -------- - -- Issue #20530: The signatures for slot builtins have been updated - to reflect the fact that they only accept positional-only arguments. - -- Issue #20517: Functions in the os module that accept two filenames - now register both filenames in the exception on failure. - -- Issue #20563: The ipaddress module API is now considered stable. - -- Issue #14983: email.generator now always adds a line end after each MIME - boundary marker, instead of doing so only when there is an epilogue. This - fixes an RFC compliance bug and solves an issue with signed MIME parts. - -- Issue #20540: Fix a performance regression (vs. Python 3.2) when layering - a multiprocessing Connection over a TCP socket. For small payloads, Nagle's - algorithm would introduce idle delays before the entire transmission of a - message. - -- Issue #16983: the new email header parsing code will now decode encoded words - that are (incorrectly) surrounded by quotes, and register a defect. - -- Issue #19772: email.generator no longer mutates the message object when - doing a down-transform from 8bit to 7bit CTEs. - -- Issue #20536: the statistics module now correctly handle Decimal instances - with positive exponents - -- Issue #18805: the netmask/hostmask parsing in ipaddress now more reliably - filters out illegal values and correctly allows any valid prefix length. - -- Issue #20481: For at least Python 3.4, the statistics module will require - that all inputs for a single operation be of a single consistent type, or - else a mixed of ints and a single other consistent type. This avoids - some interoperability issues that arose with the previous approach of - coercing to a suitable common type. - -- Issue #20478: the statistics module now treats collections.Counter inputs - like any other iterable. - -- Issue #17369: get_filename was raising an exception if the filename - parameter's RFC2231 encoding was broken in certain ways. This was - a regression relative to python2. - -- Issue #20013: Some imap servers disconnect if the current mailbox is - deleted, and imaplib did not handle that case gracefully. Now it - handles the 'bye' correctly. - -- Issue #20531: Revert 3.4 version of fix for #19063, and apply the 3.3 - version. That is, do *not* raise an error if unicode is passed to - email.message.Message.set_payload. - -- Issue #20476: If a non-compat32 policy is used with any of the email parsers, - EmailMessage is now used as the factory class. The factory class should - really come from the policy; that will get fixed in 3.5. - -- Issue #19920: TarFile.list() no longer fails when outputs a listing - containing non-encodable characters. Based on patch by Vajrasky Kok. - -- Issue #20515: Fix NULL pointer dereference introduced by issue #20368. - -- Issue #19186: Restore namespacing of expat symbols inside the pyexpat module. - -- Issue #20053: ensurepip (and hence venv) are no longer affected by the - settings in the default pip configuration file. - -- Issue #20426: When passing the re.DEBUG flag, re.compile() displays the - debug output every time it is called, regardless of the compilation cache. - -- Issue #20368: The null character now correctly passed from Tcl to Python. - Improved error handling in variables-related commands. - -- Issue #20435: Fix _pyio.StringIO.getvalue() to take into account newline - translation settings. - -- tracemalloc: Fix slicing traces and fix slicing a traceback. - -- Issue #20354: Fix an alignment issue in the tracemalloc module on 64-bit - platforms. Bug seen on 64-bit Linux when using "make profile-opt". - -- Issue #17159: inspect.signature now accepts duck types of functions, - which adds support for Cython functions. Initial patch by Stefan Behnel. - -- Issue #18801: Fix inspect.classify_class_attrs to correctly classify - object.__new__ and object.__init__. - -- Fixed cmath.isinf's name in its argument parsing code. - -- Issue #20311, #20452: poll and epoll now round the timeout away from zero, - instead of rounding towards zero, in select and selectors modules: - select.epoll.poll(), selectors.PollSelector.poll() and - selectors.EpollSelector.poll(). For example, a timeout of one microsecond - (1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to - zero. However, the granularity property and asyncio's resolution feature - were removed again. - -- asyncio: Some refactoring; various fixes; add write flow control to - unix pipes; Future.set_exception() instantiates the exception - argument if it is a class; improved proactor pipe transport; support - wait_for(f, None); don't log broken/disconnected pipes; use - ValueError instead of assert for forbidden subprocess_{shell,exec} - arguments; added a convenience API for subprocess management; added - StreamReader.at_eof(); properly handle duplicate coroutines/futures - in gather(), wait(), as_completed(); use a bytearray for buffering - in StreamReader; and more. - -- Issue #20288: fix handling of invalid numeric charrefs in HTMLParser. - -- Issue #20424: Python implementation of io.StringIO now supports lone surrogates. - -- Issue #20308: inspect.signature now works on classes without user-defined - __init__ or __new__ methods. - -- Issue #20372: inspect.getfile (and a bunch of other inspect functions that - use it) doesn't crash with unexpected AttributeError on classes defined in C - without __module__. - -- Issue #20356: inspect.signature formatting uses '/' to separate - positional-only parameters from others. - -- Issue #20223: inspect.signature now supports methods defined with - functools.partialmethods. - -- Issue #19456: ntpath.join() now joins relative paths correctly when a drive - is present. - -- Issue #19077: tempfile.TemporaryDirectory cleanup no longer fails when - called during shutdown. Emitting resource warning in __del__ no longer fails. - Original patch by Antoine Pitrou. - -- Issue #20394: Silence Coverity warning in audioop module. - -- Issue #20367: Fix behavior of concurrent.futures.as_completed() for - duplicate arguments. Patch by Glenn Langford. - -- Issue #8260: The read(), readline() and readlines() methods of - codecs.StreamReader returned incomplete data when were called after - readline() or read(size). Based on patch by Amaury Forgeot d'Arc. - -- Issue #20105: the codec exception chaining now correctly sets the - traceback of the original exception as its __traceback__ attribute. - -- Issue #17481: inspect.getfullargspec() now uses inspect.signature() API. - -- Issue #15304: concurrent.futures.wait() can block forever even if - Futures have completed. Patch by Glenn Langford. - -- Issue #14455: plistlib: fix serializing integers in the range - of an unsigned long long but outside of the range of signed long long for - binary plist files. - -IDLE ----- - -- Issue #20406: Use Python application icons for Idle window title bars. - Patch mostly by Serhiy Storchaka. - -- Update the python.gif icon for the Idle classbrowser and pathbowser - from the old green snake to the new blue and yellow snakes. - -- Issue #17721: Remove non-functional configuration dialog help button until we - make it actually gives some help when clicked. Patch by Guilherme Simões. - -Tests ------ - -- Issue #20532: Tests which use _testcapi now are marked as CPython only. - -- Issue #19920: Added tests for TarFile.list(). Based on patch by Vajrasky Kok. - -- Issue #19990: Added tests for the imghdr module. Based on patch by - Claudiu Popa. - -- Issue #20474: Fix test_socket "unexpected success" failures on OS X 10.7+. - -Tools/Demos ------------ - -- Issue #20530: Argument Clinic's signature format has been revised again. - The new syntax is highly human readable while still preventing false - positives. The syntax also extends Python syntax to denote "self" and - positional-only parameters, allowing inspect.Signature objects to be - totally accurate for all supported builtins in Python 3.4. - -- Issue #20456: Argument Clinic now observes the C preprocessor conditional - compilation statements of the C files it parses. When a Clinic block is - inside a conditional code, it adjusts its output to match, including - automatically generating an empty methoddef macro. - -- Issue #20456: Cloned functions in Argument Clinic now use the correct - name, not the name of the function they were cloned from, for text - strings inside generated code. - -- Issue #20456: Fixed Argument Clinic's test suite and "--converters" feature. - -- Issue #20456: Argument Clinic now allows specifying different names - for a parameter in Python and C, using "as" on the parameter line. - -- Issue #20326: Argument Clinic now uses a simple, unique signature to - annotate text signatures in docstrings, resulting in fewer false - positives. "self" parameters are also explicitly marked, allowing - inspect.Signature() to authoritatively detect (and skip) said parameters. - -- Issue #20326: Argument Clinic now generates separate checksums for the - input and output sections of the block, allowing external tools to verify - that the input has not changed (and thus the output is not out-of-date). - -Build ------ - -- Issue #20465: Update SQLite shipped with OS X installer to 3.8.3. - -C-API ------ - -- Issue #20517: Added new functions allowing OSError exceptions to reference - two filenames instead of one: PyErr_SetFromErrnoWithFilenameObjects() and - PyErr_SetExcFromWindowsErrWithFilenameObjects(). - -Documentation -------------- - -- Issue #20488: Change wording to say importlib is *the* implementation of - import instead of just *an* implementation. - -- Issue #6386: Clarify in the tutorial that specifying a symlink to execute - means the directory containing the executed script and not the symlink is - added to sys.path. - - -What's New in Python 3.4.0 Beta 3? -================================== - -Release date: 2014-01-26 - -Core and Builtins ------------------ - -- Issue #20189: Four additional builtin types (PyTypeObject, - PyMethodDescr_Type, _PyMethodWrapper_Type, and PyWrapperDescr_Type) - have been modified to provide introspection information for builtins. - -- Issue #17825: Cursor "^" is correctly positioned for SyntaxError and - IndentationError. - -- Issue #2382: SyntaxError cursor "^" is now written at correct position in most - cases when multibyte characters are in line (before "^"). This still not - works correctly with wide East Asian characters. - -- Issue #18960: The first line of Python script could be executed twice when - the source encoding was specified on the second line. Now the source encoding - declaration on the second line isn't effective if the first line contains - anything except a comment. 'python -x' works now again with files with the - source encoding declarations, and can be used to make Python batch files - on Windows. - -Library -------- - -- asyncio: Various improvements and small changes not all covered by - issues listed below. E.g. wait_for() now cancels the inner task if - the timeout occcurs; tweaked the set of exported symbols; renamed - Empty/Full to QueueEmpty/QueueFull; "with (yield from lock)" now - uses a separate context manager; readexactly() raises if not enough - data was read; PTY support tweaks. - -- Issue #20311: asyncio: Add a granularity attribute to BaseEventLoop: maximum - between the resolution of the BaseEventLoop.time() method and the resolution - of the selector. The granuarility is used in the scheduler to round time and - deadline. - -- Issue #20311: selectors: Add a resolution attribute to BaseSelector. - -- Issue #20189: unittest.mock now no longer assumes that any object for - which it could get an inspect.Signature is a callable written in Python. - Fix courtesy of Michael Foord. - -- Issue #20317: ExitStack.__exit__ could create a self-referential loop if an - exception raised by a cleanup operation already had its context set - correctly (for example, by the @contextmanager decorator). The infinite - loop this caused is now avoided by checking if the expected context is - already set before trying to fix it. - -- Issue #20374: Fix build with GNU readline >= 6.3. - -- Issue #20262: Warnings are raised now when duplicate names are added in the - ZIP file or too long ZIP file comment is truncated. - -- Issue #20165: The unittest module no longer considers tests marked with - @expectedFailure successful if they pass. - -- Issue #18574: Added missing newline in 100-Continue reply from - http.server.BaseHTTPRequestHandler. Patch by Nikolaus Rath. - -- Issue #20270: urllib.urlparse now supports empty ports. - -- Issue #20243: TarFile no longer raise ReadError when opened in write mode. - -- Issue #20238: TarFile opened with external fileobj and "w:gz" mode didn't - write complete output on close. - -- Issue #20245: The open functions in the tarfile module now correctly handle - empty mode. - -- Issue #20242: Fixed basicConfig() format strings for the alternative - formatting styles. Thanks to kespindler for the bug report and patch. - -- Issue #20246: Fix buffer overflow in socket.recvfrom_into. - -- Issues #20206 and #5803: Fix edge case in email.quoprimime.encode where it - truncated lines ending in a character needing encoding but no newline by - using a more efficient algorithm that doesn't have the bug. - -- Issue #19082: Working xmlrpc.server and xmlrpc.client examples. Both in - modules and in documentation. Initial patch contributed by Vajrasky Kok. - -- Issue #20138: The wsgiref.application_uri() and wsgiref.request_uri() - functions now conform to PEP 3333 when handle non-ASCII URLs. - -- Issue #19097: Raise the correct Exception when cgi.FieldStorage is given an - invalid fileobj. - -- Issue #20152: Ported Python/import.c over to Argument Clinic. - -- Issue #13107: argparse and optparse no longer raises an exception when output - a help on environment with too small COLUMNS. Based on patch by - Elazar Gershuni. - -- Issue #20207: Always disable SSLv2 except when PROTOCOL_SSLv2 is explicitly - asked for. - -- Issue #18960: The tokenize module now ignore the source encoding declaration - on the second line if the first line contains anything except a comment. - -- Issue #20078: Reading malformed zipfiles no longer hangs with 100% CPU - consumption. - -- Issue #20113: os.readv() and os.writev() now raise an OSError exception on - error instead of returning -1. - -- Issue #19719: Make importlib.abc.MetaPathFinder.find_module(), - PathEntryFinder.find_loader(), and Loader.load_module() use PEP 451 APIs to - help with backwards-compatibility. - -- Issue #20144: inspect.Signature now supports parsing simple symbolic - constants as parameter default values in __text_signature__. - -- Issue #20072: Fixed multiple errors in tkinter with wantobjects is False. - -- Issue #20229: Avoid plistlib deprecation warning in platform.mac_ver(). - -- Issue #14455: Fix some problems with the new binary plist support in plistlib. - -IDLE ----- - -- Issue #17390: Add Python version to Idle editor window title bar. - Original patches by Edmond Burnett and Kent Johnson. - -- Issue #18960: IDLE now ignores the source encoding declaration on the second - line if the first line contains anything except a comment. - -Tests ------ - -- Issue #20358: Tests for curses.window.overlay and curses.window.overwrite - no longer specify min{row,col} > max{row,col}. - -- Issue #19804: The test_find_mac test in test_uuid is now skipped if the - ifconfig executable is not available. - -- Issue #19886: Use better estimated memory requirements for bigmem tests. - -Tools/Demos ------------ - -- Issue #20390: Argument Clinic's "file" output preset now defaults to - "{dirname}/clinic/{basename}.h". - -- Issue #20390: Argument Clinic's "class" directive syntax has been extended - with two new required arguments: "typedef" and "type_object". - -- Issue #20390: Argument Clinic: If __new__ or __init__ functions didn't use - kwargs (or args), the PyArg_NoKeywords (or PyArg_NoPositional) calls - generated are only run when the type object is an exact match. - -- Issue #20390: Argument Clinic now fails if you have required parameters after - optional parameters. - -- Issue #20390: Argument Clinic converters now have a new template they can - inject code into: "modifiers". Code put there is run in the parsing - function after argument parsing but before the call to the impl. - -- Issue #20376: Argument Clinic now escapes backslashes in docstrings. - -- Issue #20381: Argument Clinic now sanity checks the default argument when - c_default is also specified, providing a nice failure message for - disallowed values. - -- Issue #20189: Argument Clinic now ensures that parser functions for - __new__ are always of type newfunc, the type of the tp_new slot. - Similarly, parser functions for __init__ are now always of type initproc, - the type of tp_init. - -- Issue #20189: Argument Clinic now suppresses the docstring for __new__ - and __init__ functions if no docstring is provided in the input. - -- Issue #20189: Argument Clinic now suppresses the "self" parameter in the - impl for @staticmethod functions. - -- Issue #20294: Argument Clinic now supports argument parsing for __new__ and - __init__ functions. - -- Issue #20299: Argument Clinic custom converters may now change the default - value of c_default and py_default with a class member. - -- Issue #20287: Argument Clinic's output is now configurable, allowing - delaying its output or even redirecting it to a separate file. - -- Issue #20226: Argument Clinic now permits simple expressions - (e.g. "sys.maxsize - 1") as default values for parameters. - -- Issue #19936: Added executable bits or shebang lines to Python scripts which - requires them. Disable executable bits and shebang lines in test and - benchmark files in order to prevent using a random system python, and in - source files of modules which don't provide command line interface. Fixed - shebang lines in the unittestgui and checkpip scripts. - -- Issue #20268: Argument Clinic now supports cloning the parameters and - return converter of existing functions. - -- Issue #20228: Argument Clinic now has special support for class special - methods. - -- Issue #20214: Fixed a number of small issues and documentation errors in - Argument Clinic (see issue for details). - -- Issue #20196: Fixed a bug where Argument Clinic did not generate correct - parsing code for functions with positional-only parameters where all arguments - are optional. - -- Issue #18960: 2to3 and the findnocoding.py script now ignore the source - encoding declaration on the second line if the first line contains anything - except a comment. - -- Issue #19723: The marker comments Argument Clinic uses have been changed - to improve readability. - -- Issue #20157: When Argument Clinic renames a parameter because its name - collides with a C keyword, it no longer exposes that rename to PyArg_Parse. - -- Issue #20141: Improved Argument Clinic's support for the PyArg_Parse "O!" - format unit. - -- Issue #20144: Argument Clinic now supports simple symbolic constants - as parameter default values. - -- Issue #20143: The line numbers reported in Argument Clinic errors are - now more accurate. - -- Issue #20142: Py_buffer variables generated by Argument Clinic are now - initialized with a default value. - -Build ------ - -- Issue #12837: Silence a tautological comparison warning on OS X under Clang in - socketmodule.c. - - -What's New in Python 3.4.0 Beta 2? -================================== - -Release date: 2014-01-05 - -Core and Builtins ------------------ - -- Issue #17432: Drop UCS2 from names of Unicode functions in python3.def. - -- Issue #19526: Exclude all new API from the stable ABI. Exceptions can be - made if a need is demonstrated. - -- Issue #19969: PyBytes_FromFormatV() now raises an OverflowError if "%c" - argument is not in range [0; 255]. - -- Issue #19995: %c, %o, %x, and %X now issue a DeprecationWarning on non-integer - input; reworded docs to clarify that an integer type should define both __int__ - and __index__. - -- Issue #19787: PyThread_set_key_value() now always set the value. In Python - 3.3, the function did nothing if the key already exists (if the current value - is a non-NULL pointer). - -- Issue #14432: Remove the thread state field from the frame structure. Fix a - crash when a generator is created in a C thread that is destroyed while the - generator is still used. The issue was that a generator contains a frame, and - the frame kept a reference to the Python state of the destroyed C thread. The - crash occurs when a trace function is setup. - -- Issue #19576: PyGILState_Ensure() now initializes threads. At startup, Python - has no concrete GIL. If PyGILState_Ensure() is called from a new thread for - the first time and PyEval_InitThreads() was not called yet, a GIL needs to be - created. - -- Issue #17576: Deprecation warning emitted now when __int__() or __index__() - return not int instance. - -- Issue #19932: Fix typo in import.h, missing whitespaces in function prototypes. - -- Issue #19736: Add module-level statvfs constants defined for GNU/glibc - based systems. - -- Issue #20097: Fix bad use of "self" in importlib's WindowsRegistryFinder. - -- Issue #19729: In str.format(), fix recursive expansion in format spec. - -- Issue #19638: Fix possible crash / undefined behaviour from huge (more than 2 - billion characters) input strings in _Py_dg_strtod. - -Library -------- - -- Issue #20154: Deadlock in asyncio.StreamReader.readexactly(). - -- Issue #16113: Remove sha3 module again. - -- Issue #20111: pathlib.Path.with_suffix() now sanity checks the given suffix. - -- Fix breakage in TestSuite.countTestCases() introduced by issue #11798. - -- Issue #20108: Avoid parameter name clash in inspect.getcallargs(). - -- Issue #19918: Fix PurePath.relative_to() under Windows. - -- Issue #19422: Explicitly disallow non-SOCK_STREAM sockets in the ssl - module, rather than silently let them emit clear text data. - -- Issue #20046: Locale alias table no longer contains entities which can be - calculated. Generalized support of the euro modifier. - -- Issue #20027: Fixed locale aliases for devanagari locales. - -- Issue #20067: Tkinter variables now work when wantobjects is false. - -- Issue #19020: Tkinter now uses splitlist() instead of split() in configure - methods. - -- Issue #19744: ensurepip now provides a better error message when Python is - built without SSL/TLS support (pip currently requires that support to run, - even if only operating with local wheel files) - -- Issue #19734: ensurepip now ignores all pip environment variables to avoid - odd behaviour based on user configuration settings - -- Fix TypeError on "setup.py upload --show-response". - -- Issue #20045: Fix "setup.py register --list-classifiers". - -- Issue #18879: When a method is looked up on a temporary file, avoid closing - the file before the method is possibly called. - -- Issue #20037: Avoid crashes when opening a text file late at interpreter - shutdown. - -- Issue #19967: Thanks to the PEP 442, asyncio.Future now uses a - destructor to log uncaught exceptions, instead of the dedicated - _TracebackLogger class. - -- Added a Task.current_task() class method to asyncio. - -- Issue #19850: Set SA_RESTART in asyncio when registering a signal - handler to limit EINTR occurrences. - -- Implemented write flow control in asyncio for proactor event loop (Windows). - -- Change write buffer in asyncio use to avoid O(N**2) behavior. Make - write()/sendto() accept bytearray/memoryview. - -- Issue #20034: Updated alias mapping to most recent locale.alias file - from X.org distribution using makelocalealias.py. - -- Issue #5815: Fixed support for locales with modifiers. Fixed support for - locale encodings with hyphens. - -- Issue #20026: Fix the sqlite module to handle correctly invalid isolation - level (wrong type). - -- Issue #18829: csv.Dialect() now checks type for delimiter, escapechar and - quotechar fields. Original patch by Vajrasky Kok. - -- Issue #19855: uuid.getnode() on Unix now looks on the PATH for the - executables used to find the mac address, with /sbin and /usr/sbin as - fallbacks. - -- Issue #20007: HTTPResponse.read(0) no more prematurely closes connection. - Original patch by Simon Sapin. - -- Issue #19946: multiprocessing now uses runpy to initialize __main__ in - child processes when necessary, allowing it to correctly handle scripts - without suffixes and submodules that use explicit relative imports or - otherwise rely on parent modules being correctly imported prior to - execution. - -- Issue #19921: When Path.mkdir() is called with parents=True, any missing - parent is created with the default permissions, ignoring the mode argument - (mimicking the POSIX "mkdir -p" command). - -- Issue #19887: Improve the Path.resolve() algorithm to support certain - symlink chains. - -- Issue #19912: Fixed numerous bugs in ntpath.splitunc(). - -- Issue #19911: ntpath.splitdrive() now correctly processes the 'İ' character - (U+0130, LATIN CAPITAL LETTER I WITH DOT ABOVE). - -- Issue #19532: python -m compileall with no filename/directory arguments now - respects the -f and -q flags instead of ignoring them. - -- Issue #19623: Fixed writing to unseekable files in the aifc module. - -- Issue #19946: multiprocessing.spawn now raises ImportError when the module to - be used as the main module cannot be imported. - -- Issue #17919: select.poll.register() again works with poll.POLLNVAL on AIX. - Fixed integer overflow in the eventmask parameter. - -- Issue #19063: if a Charset's body_encoding was set to None, the email - package would generate a message claiming the Content-Transfer-Encoding - was 7bit, and produce garbage output for the content. This now works. - A couple of other set_payload mishandlings of non-ASCII are also fixed. - In addition, calling set_payload with a string argument without - specifying a charset now raises an error (this is a new error in 3.4). - -- Issue #15475: Add __sizeof__ implementations for itertools objects. - -- Issue #19944: Fix importlib.find_spec() so it imports parents as needed - and move the function to importlib.util. - -- Issue #19880: Fix a reference leak in unittest.TestCase. Explicitly break - reference cycles between frames and the _Outcome instance. - -- Issue #17429: platform.linux_distribution() now decodes files from the UTF-8 - encoding with the surrogateescape error handler, instead of decoding from the - locale encoding in strict mode. It fixes the function on Fedora 19 which is - probably the first major distribution release with a non-ASCII name. Patch - written by Toshio Kuratomi. - -- Issue #19343: Expose FreeBSD-specific APIs in resource module. Original - patch by Koobs. - -- Issue #19929: Call os.read with 32768 within subprocess.Popen.communicate - rather than 4096 for efficiency. A microbenchmark shows Linux and OS X - both using ~50% less cpu time this way. - -- Issue #19506: Use a memoryview to avoid a data copy when piping data - to stdin within subprocess.Popen.communicate. 5-10% less cpu usage. - -- Issue #19876: selectors unregister() no longer raises ValueError or OSError - if the FD is closed (as long as it was registered). - -- Issue #19908: pathlib now joins relative Windows paths correctly when a drive - is present. Original patch by Antoine Pitrou. - -- Issue #19296: Silence compiler warning in dbm_open - -- Issue #6784: Strings from Python 2 can now be unpickled as bytes - objects by setting the encoding argument of Unpickler to be 'bytes'. - Initial patch by Merlijn van Deen. - -- Issue #19839: Fix regression in bz2 module's handling of non-bzip2 data at - EOF, and analogous bug in lzma module. - -- Issue #19881: Fix pickling bug where cpickle would emit bad pickle data for - large bytes string (i.e., with size greater than 2**32-1). - -- Issue #19138: doctest's IGNORE_EXCEPTION_DETAIL now allows a match when - no exception detail exists (no colon following the exception's name, or - a colon does follow but no text follows the colon). - -- Issue #19927: Add __eq__ to path-based loaders in importlib. - -- Issue #19827: On UNIX, setblocking() and settimeout() methods of - socket.socket can now avoid a second syscall if the ioctl() function can be - used, or if the non-blocking flag of the socket is unchanged. - -- Issue #19785: smtplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19784: poplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19783: nntplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19782: imaplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #20123: Fix pydoc.synopsis() for "binary" modules. - -- Issue #19834: Support unpickling of exceptions pickled by Python 2. - -- Issue #19781: ftplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19509: Add SSLContext.check_hostname to match the peer's certificate - with server_hostname on handshake. - -- Issue #15798: Fixed subprocess.Popen() to no longer fail if file - descriptor 0, 1 or 2 is closed. - -- Issue #17897: Optimized unpickle prefetching. - -- Issue #3693: Make the error message more helpful when the array.array() - constructor is given a str. Move the array module typecode documentation to - the docstring of the constructor. - -- Issue #19088: Fixed incorrect caching of the copyreg module in - object.__reduce__() and object.__reduce_ex__(). - -- Issue #19698: Removed exec_module() methods from - importlib.machinery.BuiltinImporter and ExtensionFileLoader. - -- Issue #18864: Added a setter for ModuleSpec.has_location. - -- Fixed _pickle.Unpickler to not fail when loading empty strings as - persistent IDs. - -- Issue #11480: Fixed copy.copy to work with classes with custom metaclasses. - Patch by Daniel Urban. - -- Issue #6477: Added support for pickling the types of built-in singletons - (i.e., Ellipsis, NotImplemented, None). - -- Issue #19713: Add remaining PEP 451-related deprecations and move away - from using find_module/find_loaer/load_module. - -- Issue #19708: Update pkgutil to use the new importer APIs. - -- Issue #19703: Update pydoc to use the new importer APIs. - -- Issue #19851: Fixed a regression in reloading sub-modules. - -- ssl.create_default_context() sets OP_NO_COMPRESSION to prevent CRIME. - -- Issue #19802: Add socket.SO_PRIORITY. - -- Issue #11508: Fixed uuid.getnode() and uuid.uuid1() on environment with - virtual interface. Original patch by Kent Frazier. - -- Issue #11489: JSON decoder now accepts lone surrogates. - -- Issue #19545: Avoid chained exceptions while passing stray % to - time.strptime(). Initial patch by Claudiu Popa. - -IDLE ----- - -- Issue #20058: sys.stdin.readline() in IDLE now always returns only one line. - -- Issue #19481: print() of string subclass instance in IDLE no longer hangs. - -- Issue #18270: Prevent possible IDLE AttributeError on OS X when no initial - shell window is present. - -Tests ------ - -- Issue #20055: Fix test_shutil under Windows with symlink privileges held. - Patch by Vajrasky Kok. - -- Issue #20070: Don't run test_urllib2net when network resources are not - enabled. - -- Issue #19938: Re-enabled test_bug_1333982 in test_dis, which had been - disabled since 3.0 due to the changes in listcomp handling. - -- Issue #19320: test_tcl no longer fails when wantobjects is false. - -- Issue #19919: Fix flaky SSL test. connect_ex() sometimes returns - EWOULDBLOCK on Windows or VMs hosted on Windows. - -- Issue #19912: Added tests for ntpath.splitunc(). - -- Issue #19828: Fixed test_site when the whole suite is run with -S. - -- Issue #19928: Implemented a test for repr() of cell objects. - -- Issue #19535: Fixed test_docxmlrpc, test_functools, test_inspect, and - test_statistics when python is run with -OO. - -- Issue #19926: Removed unneeded test_main from test_abstract_numbers. - Patch by Vajrasky Kok. - -- Issue #19572: More skipped tests explicitly marked as skipped. - -- Issue #19595, #19987: Re-enabled a long-disabled test in test_winsound. - -- Issue #19588: Fixed tests in test_random that were silently skipped most - of the time. Patch by Julian Gindi. - -Build ------ - -- Issue #19728: Enable pip installation by default on Windows. - -- Issue #16136: Remove VMS support - -- Issue #18215: Add script Tools/ssl/test_multiple_versions.py to compile and - run Python's unit tests with multiple versions of OpenSSL. - -- Issue #19922: define _INCLUDE__STDC_A1_SOURCE in HP-UX to include mbstate_t - for mbrtowc(). - -- Issue #19788: kill_python(_d).exe is now run as a PreBuildEvent on the - pythoncore sub-project. This should prevent build errors due a previous - build's python(_d).exe still running. - -Documentation -------------- - -- Issue #20265: Updated some parts of the Using Windows document. - -- Issue #20266: Updated some parts of the Windows FAQ. - -- Issue #20255: Updated the about and bugs pages. - -- Issue #20253: Fixed a typo in the ipaddress docs that advertised an - illegal attribute name. Found by INADA Naoki. - -- Issue #18840: Introduce the json module in the tutorial, and de-emphasize - the pickle module. - -- Issue #19845: Updated the Compiling Python on Windows section. - -- Issue #19795: Improved markup of True/False constants. - -Tools/Demos ------------ - -- Issue #19659: Added documentation for Argument Clinic. - -- Issue #19976: Argument Clinic METH_NOARGS functions now always - take two parameters. - - -What's New in Python 3.4.0 Beta 1? -================================== - -Release date: 2013-11-24 - -Core and Builtins ------------------ - -- Use the repr of a module name in more places in import, especially - exceptions. - -- Issue #19619: str.encode, bytes.decode and bytearray.decode now use an - internal API to throw LookupError for known non-text encodings, rather - than attempting the encoding or decoding operation and then throwing a - TypeError for an unexpected output type. (The latter mechanism remains - in place for third party non-text encodings) - -- Issue #19183: Implement PEP 456 'secure and interchangeable hash algorithm'. - Python now uses SipHash24 on all major platforms. - -- Issue #12892: The utf-16* and utf-32* encoders no longer allow surrogate code - points (U+D800-U+DFFF) to be encoded. The utf-32* decoders no longer decode - byte sequences that correspond to surrogate code points. The surrogatepass - error handler now works with the utf-16* and utf-32* codecs. Based on - patches by Victor Stinner and Kang-Hao (Kenny) Lu. - -- Issue #17806: Added keyword-argument support for "tabsize" to - str/bytes.expandtabs(). - -- Issue #17828: Output type errors in str.encode(), bytes.decode() and - bytearray.decode() now direct users to codecs.encode() or codecs.decode() - as appropriate. - -- Issue #17828: The interpreter now attempts to chain errors that occur in - codec processing with a replacement exception of the same type that - includes the codec name in the error message. It ensures it only does this - 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. - -- Issue #19514: Deduplicate some _Py_IDENTIFIER declarations. - Patch by Andrei Dorian Duma. - -- Issue #17936: Fix O(n**2) behaviour when adding or removing many subclasses - of a given type. - -- Issue #19428: zipimport now handles errors when reading truncated or invalid - ZIP archive. - -- Issue #18408: Add a new PyFrame_FastToLocalsWithError() function to handle - exceptions when merging fast locals into f_locals of a frame. - PyEval_GetLocals() now raises an exception and return NULL on failure. - -- 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. - -- Issue #19306: Add extra hints to the faulthandler module's stack - dumps that these are "upside down". - -Library -------- - -- Issue #3158: doctest can now find doctests in functions and methods - written in C. - -- Issue #13477: Added command line interface to the tarfile module. - Original patch by Berker Peksag. - -- Issue #19674: inspect.signature() now produces a correct signature - for some builtins. - -- Issue #19722: Added opcode.stack_effect(), which - computes the stack effect of bytecode instructions. - -- Issue #19735: Implement private function ssl._create_stdlib_context() to - create SSLContext objects in Python's stdlib module. It provides a single - configuration point and makes use of SSLContext.load_default_certs(). - -- Issue #16203: Add re.fullmatch() function and regex.fullmatch() method, - which anchor the pattern at both ends of the string to match. - Original patch by Matthew Barnett. - -- Issue #13592: Improved the repr for regular expression pattern objects. - Based on patch by Hugo Lopes Tavares. - -- Issue #19641: Added the audioop.byteswap() function to convert big-endian - samples to little-endian and vice versa. - -- Issue #15204: Deprecated the 'U' mode in file-like objects. - -- Issue #17810: Implement PEP 3154, pickle protocol 4. - -- Issue #19668: Added support for the cp1125 encoding. - -- Issue #19689: Add ssl.create_default_context() factory function. It creates - a new SSLContext object with secure default settings. - -- Issue #19727: os.utime(..., None) is now potentially more precise - under Windows. - -- Issue #17201: ZIP64 extensions now are enabled by default. Patch by - William Mallard. - -- Issue #19292: Add SSLContext.load_default_certs() to load default root CA - certificates from default stores or system stores. By default the method - loads CA certs for authentication of server certs. - -- Issue #19673: Add pathlib to the stdlib as a provisional module (PEP 428). - -- Issue #16596: pdb in a generator now properly skips over yield and - yield from rather than stepping out of the generator into its - caller. (This is essential for stepping through asyncio coroutines.) - -- Issue #17916: Added dis.Bytecode.from_traceback() and - dis.Bytecode.current_offset to easily display "current instruction" - markers in the new disassembly API (Patch by Claudiu Popa). - -- Issue #19552: venv now supports bootstrapping pip into virtual environments - -- Issue #17134: Finalize interface to Windows' certificate store. Cert and - CRL enumeration are now two functions. enum_certificates() also returns - purpose flags as set of OIDs. - -- Issue #19555: Restore sysconfig.get_config_var('SO'), (and the distutils - equivalent) with a DeprecationWarning pointing people at $EXT_SUFFIX. - -- Issue #8813: Add SSLContext.verify_flags to change the verification flags - of the context in order to enable certification revocation list (CRL) - checks or strict X509 rules. - -- Issue #18294: Fix the zlib module to make it 64-bit safe. - -- Issue #19682: Fix compatibility issue with old version of OpenSSL that - was introduced by Issue #18379. - -- Issue #14455: plistlib now supports binary plists and has an updated API. - -- Issue #19633: Fixed writing not compressed 16- and 32-bit wave files on - big-endian platforms. - -- Issue #18379: SSLSocket.getpeercert() returns CA issuer AIA fields, OCSP - and CRL distribution points. - -- Issue #18138: Implement cadata argument of SSLContext.load_verify_location() - to load CA certificates and CRL from memory. It supports PEM and DER - encoded strings. - -- Issue #18775: Add name and block_size attribute to HMAC object. They now - provide the same API elements as non-keyed cryptographic hash functions. - -- Issue #17276: MD5 as default digestmod for HMAC is deprecated. The HMAC - module supports digestmod names, e.g. hmac.HMAC('sha1'). - -- Issue #19449: in csv's writerow, handle non-string keys when generating the - error message that certain keys are not in the 'fieldnames' list. - -- Issue #13633: Added a new convert_charrefs keyword arg to HTMLParser that, - when True, automatically converts all character references. - -- Issue #2927: Added the unescape() function to the html module. - -- Issue #8402: Added the escape() function to the glob module. - -- Issue #17618: Add Base85 and Ascii85 encoding/decoding to the base64 module. - -- Issue #19634: time.strftime("%y") now raises a ValueError on AIX when given a - year before 1900. - -- Fix test.support.bind_port() to not cause an error when Python was compiled - on a system with SO_REUSEPORT defined in the headers but run on a system - with an OS kernel that does not support that reasonably new socket option. - -- Fix compilation error under gcc of the ctypes module bundled libffi for arm. - -- 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 #8311: Added support for writing any bytes-like objects in the aifc, - sunau, and wave modules. - -- Issue #5202: Added support for unseekable files in the wave module. - -- Issue #19544 and Issue #1180: Restore global option to ignore - ~/.pydistutils.cfg in Distutils, accidentally removed in backout of - distutils2 changes. - -- Issue #19523: Closed FileHandler leak which occurred when delay was set. - -- Issue #19544 and Issue #6516: Restore support for --user and --group - parameters to sdist command accidentally rolled back as part of the - distutils2 rollback. - -- Issue #13674: Prevented time.strftime from crashing on Windows when given - a year before 1900 and a format of %y. - -- Issue #19406: implementation of the ensurepip module (part of PEP 453). - Patch by Donald Stufft and Nick Coghlan. - -- Issue #19544 and Issue #6286: Restore use of urllib over http allowing use - of http_proxy for Distutils upload command, a feature accidentally lost - in the rollback of distutils2. - -- Issue #19544 and Issue #7457: Restore the read_pkg_file method to - distutils.dist.DistributionMetadata accidentally removed in the undo of - distutils2. - -- Issue #16685: Added support for any bytes-like objects in the audioop module. - Removed support for strings. - -- Issue #7171: Add Windows implementation of ``inet_ntop`` and ``inet_pton`` - to socket module. Patch by Atsuo Ishimoto. - -- Issue #19261: Added support for writing 24-bit samples in the sunau module. - -- Issue #1097797: Added CP273 encoding, used on IBM mainframes in - Germany and Austria. Mapping provided by Michael Bierenfeld. - -- Issue #1575020: Fixed support of 24-bit wave files on big-endian platforms. - -- Issue #19378: Fixed a number of cases in the dis module where the new - "file" parameter was not being honoured correctly - -- Issue #19378: Removed the "dis.Bytecode.show_info" method - -- Issue #19378: Renamed the "dis.Bytecode.display_code" method to - "dis.Bytecode.dis" and converted it to returning a string rather than - printing output. - -- Issue #19378: the "line_offset" parameter in the new "dis.get_instructions" - API has been renamed to "first_line" (and the default value and usage - changed accordingly). This should reduce confusion with the more common use - of "offset" in the dis docs to refer to bytecode offsets. - -- Issue #18678: Corrected spwd struct member names in spwd module: - sp_nam->sp_namp, and sp_pwd->sp_pwdp. The old names are kept as extra - structseq members, for backward compatibility. - -- Issue #6157: Fixed tkinter.Text.debug(). tkinter.Text.bbox() now raises - TypeError instead of TclError on wrong number of arguments. Original patch - by Guilherme Polo. - -- Issue #10197: Rework subprocess.get[status]output to use subprocess - functionality and thus to work on Windows. Patch by Nick Coghlan - -- Issue #6160: The bbox() method of tkinter.Spinbox now returns a tuple of - integers instead of a string. Based on patch by Guilherme Polo. - -- Issue #19403: contextlib.redirect_stdout is now reentrant - -- Issue #19286: Directories in ``package_data`` are no longer added to - the filelist, preventing failure outlined in the ticket. - -- Issue #19480: HTMLParser now accepts all valid start-tag names as defined - by the HTML5 standard. - -- Issue #15114: The html.parser module now raises a DeprecationWarning when the - strict argument of HTMLParser or the HTMLParser.error method are used. - -- Issue #19410: Undo the special-casing removal of '' for - importlib.machinery.FileFinder. - -- Issue #19424: Fix the warnings module to accept filename containing surrogate - characters. - -- Issue #19435: Fix directory traversal attack on CGIHttpRequestHandler. - -- 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 - _hashopenssl.c - -- Issue #19329: Optimized compiling charsets in regular expressions. - -- Issue #19227: Try to fix deadlocks caused by re-seeding then OpenSSL - pseudo-random number generator on fork(). - -- Issue #16037: HTTPMessage.readheaders() raises an HTTPException when more than - 100 headers are read. Adapted from patch by Jyrki Pulliainen. - -- Issue #16040: CVE-2013-1752: nntplib: Limit maximum line lengths to 2048 to - prevent readline() calls from consuming too much memory. Patch by Jyrki - Pulliainen. - -- Issue #16041: CVE-2013-1752: poplib: Limit maximum line lengths to 2048 to - prevent readline() calls from consuming too much memory. Patch by Jyrki - Pulliainen. - -- Issue #17997: Change behavior of ``ssl.match_hostname()`` to follow RFC 6125, - for security reasons. It now doesn't match multiple wildcards nor wildcards - inside IDN fragments. - -- Issue #16039: CVE-2013-1752: Change use of readline in imaplib module to limit - line length. Patch by Emil Lind. - -- Issue #19330: the unnecessary wrapper functions have been removed from the - implementations of the new contextlib.redirect_stdout and - contextlib.suppress context managers, which also ensures they provide - reasonable help() output on instances - -- Issue #19393: Fix symtable.symtable function to not be confused when there are - functions or classes named "top". - -- Issue #18685: Restore re performance to pre-PEP 393 levels. - -- Issue #19339: telnetlib module is now using time.monotonic() when available - to compute timeout. - -- Issue #19399: fix sporadic test_subprocess failure. - -- Issue #13234: Fix os.listdir to work with extended paths on Windows. - Patch by Santoso Wijaya. - -- Issue #19375: The site module adding a "site-python" directory to sys.path, - if it exists, is now deprecated. - -- Issue #19379: Lazily import linecache in the warnings module, to make - startup with warnings faster until a warning gets printed. - -- Issue #19288: Fixed the "in" operator of dbm.gnu databases for string - argument. Original patch by Arfrever Frehtes Taifersar Arahesis. - -- Issue #19287: Fixed the "in" operator of dbm.ndbm databases for string - argument. Original patch by Arfrever Frehtes Taifersar Arahesis. - -- Issue #19327: Fixed the working of regular expressions with too big charset. - -- Issue #17400: New 'is_global' attribute for ipaddress to tell if an address - is allocated by IANA for global or private networks. - -- Issue #19350: Increasing the test coverage of macurl2path. Patch by Colin - Williams. - -- Issue #19365: Optimized the parsing of long replacement string in re.sub*() - functions. - -- Issue #19352: Fix unittest discovery when a module can be reached - through several paths (e.g. under Debian/Ubuntu with virtualenv). - -- Issue #15207: Fix mimetypes to read from correct part of Windows registry - Original patch by Dave Chambers - -- Issue #16595: Add prlimit() to resource module. - -- Issue #19324: Expose Linux-specific constants in resource module. - -- Load SSL's error strings in hashlib. - -- Issue #18527: Upgrade internal copy of zlib to 1.2.8. - -- Issue #19274: Add a filterfunc parameter to PyZipFile.writepy. - -- Issue #8964: fix platform._sys_version to handle IronPython 2.6+. - Patch by Martin Matusiak. - -- Issue #19413: Restore pre-3.3 reload() semantics of re-finding modules. - -- Issue #18958: Improve error message for json.load(s) while passing a string - that starts with a UTF-8 BOM. - -- Issue #19307: Improve error message for json.load(s) while passing objects - of the wrong type. - -- Issue #16038: CVE-2013-1752: ftplib: Limit amount of data read by - limiting the call to readline(). Original patch by Michał - Jastrzębski and Giampaolo Rodola. - -- Issue #17087: Improved the repr for regular expression match objects. - -Tests ------ - -- Issue #19664: test_userdict's repr test no longer depends on the order - of dict elements. - -- Issue #19440: Clean up test_capi by removing an unnecessary __future__ - import, converting from test_main to unittest.main, and running the - _testcapi module tests as subTests of a unittest TestCase method. - -- Issue #19378: the main dis module tests are now run with both stdout - redirection *and* passing an explicit file parameter - -- Issue #19378: removed the not-actually-helpful assertInstructionMatches - and assertBytecodeExactlyMatches helpers from bytecode_helper - -- Issue #18702: All skipped tests now reported as skipped. - -- Issue #19439: interpreter embedding tests are now executed on Windows - (Patch by Zachary Ware) - -- Issue #19085: Added basic tests for all tkinter widget options. - -- Issue #19384: Fix test_py_compile for root user, patch by Claudiu Popa. - -Documentation -------------- - -- Issue #18326: Clarify that list.sort's arguments are keyword-only. Also, - attempt to reduce confusion in the glossary by not saying there are - different "types" of arguments and parameters. - -Build ------ - -- Issue #19358: "make clinic" now runs the Argument Clinic preprocessor - over all CPython source files. - -- Update SQLite to 3.8.1, xz to 5.0.5, and Tcl/Tk to 8.6.1 on Windows. - -- Issue #16632: Enable DEP and ASLR on Windows. - -- Issue #17791: Drop PREFIX and EXEC_PREFIX definitions from PC/pyconfig.h - -- Add workaround for VS 2010 nmake clean issue. VS 2010 doesn't set up PATH - for nmake.exe correctly. - -- Issue #19550: Implement Windows installer changes of PEP 453 (ensurepip). - -- Issue #19520: Fix compiler warning in the _sha3 module on 32bit Windows. - -- Issue #19356: Avoid using a C variabled named "_self", it's a reserved - word in some C compilers. - -- Issue #15792: Correct build options on Win64. Patch by Jeremy Kloth. - -- Issue #19373: Apply upstream change to Tk 8.5.15 fixing OS X 10.9 - screen refresh problem for OS X installer build. - -- Issue #19649: On OS X, the same set of file names are now installed - in bin directories for all configurations: non-framework vs framework, - and single arch vs universal builds. pythonx.y-32 is now always - installed for 64-bit/32-bit universal builds. The obsolete and - undocumented pythonw* symlinks are no longer installed anywhere. - -- Issue #19553: PEP 453 - "make install" and "make altinstall" now install or - upgrade pip by default, using the bundled pip provided by the new ensurepip - module. A new configure option, --with-ensurepip[=upgrade|install|no], is - available to override the default ensurepip "--upgrade" option. The option - can also be set with "make [alt]install ENSUREPIP=[upgrade|install|no]". - -- Issue #19551: PEP 453 - the OS X installer now installs pip by default. - -- Update third-party libraries for OS X installers: xz 5.0.3 -> 5.0.5, - SQLite 3.7.13 -> 3.8.1 - -- Issue #15663: Revert OS X installer built-in Tcl/Tk support for 3.4.0b1. - Some third-party projects, such as Matplotlib and PIL/Pillow, - depended on being able to build with Tcl and Tk frameworks in - /Library/Frameworks. - -Tools/Demos ------------ - -- Issue #19730: Argument Clinic now supports all the existing PyArg - "format units" as legacy converters, as well as two new features: - "self converters" and the "version" directive. - -- Issue #19552: pyvenv now bootstraps pip into virtual environments by - default (pass --without-pip to request the old behaviour) - -- Issue #19390: Argument Clinic no longer accepts malformed Python - and C ids. - - -What's New in Python 3.4.0 Alpha 4? -=================================== - -Release date: 2013-10-20 - -Core and Builtins ------------------ - -- Issue #19301: Give classes and functions that are explicitly marked global a - global qualname. - -- Issue #19279: UTF-7 decoder no longer produces illegal strings. - -- Issue #16612: Add "Argument Clinic", a compile-time preprocessor for - C files to generate argument parsing code. (See PEP 436.) - -- Issue #18810: Shift stat calls in importlib.machinery.FileFinder such that - the code is optimistic that if something exists in a directory named exactly - like the possible package being searched for that it's in actuality a - directory. - -- Issue #18416: importlib.machinery.PathFinder now treats '' as the cwd and - importlib.machinery.FileFinder no longer special-cases '' to '.'. This leads - to modules imported from cwd to now possess an absolute file path for - __file__ (this does not affect modules specified by path on the CLI but it - does affect -m/runpy). It also allows FileFinder to be more consistent by not - having an edge case. - -- Issue #4555: All exported C symbols are now prefixed with either - "Py" or "_Py". - -- Issue #19219: Speed up marshal.loads(), and make pyc files slightly - (5% to 10%) smaller. - -- Issue #19221: Upgrade Unicode database to version 6.3.0. - -- Issue #16742: The result of the C callback PyOS_ReadlineFunctionPointer must - now be a string allocated by PyMem_RawMalloc() or PyMem_RawRealloc() (or NULL - if an error occurred), instead of a string allocated by PyMem_Malloc() or - PyMem_Realloc(). - -- Issue #19199: Remove ``PyThreadState.tick_counter`` field - -- Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at - least one place so as to avoid regressions. - -- Issue #19087: Improve bytearray allocation in order to allow cheap popping - of data at the front (slice deletion). - -- Issue #19014: memoryview.cast() is now allowed on zero-length views. - -- Issue #18690: memoryview is now automatically registered with - collections.abc.Sequence - -- Issue #19078: memoryview now correctly supports the reversed builtin - (Patch by Claudiu Popa) - -Library -------- - -- Issue #17457: unittest test discovery now works with namespace packages. - Patch by Claudiu Popa. - -- Issue #18235: Fix the sysconfig variables LDSHARED and BLDSHARED under AIX. - Patch by David Edelsohn. - -- Issue #18606: Add the new "statistics" module (PEP 450). Contributed - by Steven D'Aprano. - -- Issue #12866: The audioop module now supports 24-bit samples. - -- Issue #19254: Provide an optimized Python implementation of pbkdf2_hmac. - -- Issues #19201, Issue #19222, Issue #19223: Add "x" mode (exclusive creation) - in opening file to bz2, gzip and lzma modules. Patches by Tim Heaney and - Vajrasky Kok. - -- Fix a reference count leak in _sre. - -- Issue #19262: Initial check in of the 'asyncio' package (a.k.a. Tulip, - a.k.a. PEP 3156). There are no docs yet, and the PEP is slightly - out of date with the code. This module will have *provisional* status - in Python 3.4. - -- Issue #19276: Fixed the wave module on 64-bit big-endian platforms. - -- Issue #19266: Rename the new-in-3.4 ``contextlib.ignore`` context manager - to ``contextlib.suppress`` in order to be more consistent with existing - descriptions of that operation elsewhere in the language and standard - library documentation (Patch by Zero Piraeus). - -- Issue #18891: Completed the new email package (provisional) API additions - by adding new classes EmailMessage, MIMEPart, and ContentManager. - -- Issue #18281: Unused stat constants removed from `tarfile`. - -- Issue #18999: Multiprocessing now supports 'contexts' with the same API - as the module, but bound to specified start methods. - -- Issue #18468: The re.split, re.findall, and re.sub functions and the group() - and groups() methods of match object now always return a string or a bytes - object. - -- Issue #18725: The textwrap module now supports truncating multiline text. - -- Issue #18776: atexit callbacks now display their full traceback when they - raise an exception. - -- Issue #17827: Add the missing documentation for ``codecs.encode`` and - ``codecs.decode``. - -- Issue #19218: Rename collections.abc to _collections_abc in order to - speed up interpreter start. - -- Issue #18582: Add 'pbkdf2_hmac' to the hashlib module. It implements PKCS#5 - password-based key derivation functions with HMAC as pseudorandom function. - -- Issue #19131: The aifc module now correctly reads and writes sampwidth of - compressed streams. - -- Issue #19209: Remove import of copyreg from the os module to speed up - interpreter startup. stat_result and statvfs_result are now hard-coded to - reside in the os module. - -- Issue #19205: Don't import the 're' module in site and sysconfig module to - speed up interpreter start. - -- Issue #9548: Add a minimal "_bootlocale" module that is imported by the - _io module instead of the full locale module. - -- Issue #18764: Remove the 'print' alias for the PDB 'p' command so that it no - longer shadows the print function. - -- Issue #19158: A rare race in BoundedSemaphore could allow .release() too - often. - -- Issue #15805: Add contextlib.redirect_stdout(). - -- Issue #18716: Deprecate the formatter module. - -- Issue #10712: 2to3 has a new "asserts" fixer that replaces deprecated names - of unittest methods (e.g. failUnlessEqual -> assertEqual). - -- Issue #18037: 2to3 now escapes ``'\u'`` and ``'\U'`` in native strings. - -- Issue #17839: base64.decodebytes and base64.encodebytes now accept any - object that exports a 1 dimensional array of bytes (this means the same - is now also true for base64_codec) - -- Issue #19132: The pprint module now supports compact mode. - -- Issue #19137: The pprint module now correctly formats instances of set and - frozenset subclasses. - -- Issue #10042: functools.total_ordering now correctly handles - NotImplemented being returned by the underlying comparison function (Patch - by Katie Miller) - -- Issue #19092: contextlib.ExitStack now correctly reraises exceptions - from the __exit__ callbacks of inner context managers (Patch by Hrvoje - Nikšić) - -- Issue #12641: Avoid passing "-mno-cygwin" to the mingw32 compiler, except - when necessary. Patch by Oscar Benjamin. - -- Issue #5845: In site.py, only load readline history from ~/.python_history - if no history has been read already. This avoids double writes to the - history file at shutdown. - -- Properly initialize all fields of a SSL object after allocation. - -- Issue #19095: SSLSocket.getpeercert() now raises ValueError when the - SSL handshake hasn't been done. - -- Issue #4366: Fix building extensions on all platforms when --enable-shared - is used. - -- Issue #19030: Fixed `inspect.getmembers` and `inspect.classify_class_attrs` - to attempt activating descriptors before falling back to a __dict__ search - for faulty descriptors. `inspect.classify_class_attrs` no longer returns - Attributes whose home class is None. - -C API ------ - -- Issue #1772673: The type of `char*` arguments now changed to `const char*`. - -- Issue #16129: Added a `Py_SetStandardStreamEncoding` pre-initialization API - to allow embedding applications like Blender to force a particular - encoding and error handler for the standard IO streams (initial patch by - Bastien Montagne) - -Tests ------ - -- Issue #19275: Fix test_site on AMD64 Snow Leopard - -- Issue #14407: Fix unittest test discovery in test_concurrent_futures. - -- Issue #18919: Unified and extended tests for audio modules: aifc, sunau and - wave. - -- Issue #18714: Added tests for ``pdb.find_function()``. - -Documentation -------------- - -- Issue #18758: Fixed and improved cross-references. - -- Issue #18972: Modernize email examples and use the argparse module in them. - -Build ------ - -- Issue #19130: Correct PCbuild/readme.txt, Python 3.3 and 3.4 require VS 2010. - -- Issue #15663: Update OS X 10.6+ installer to use Tcl/Tk 8.5.15. - -- Issue #14499: Fix several problems with OS X universal build support: - 1. ppc arch detection for extension module builds broke with Xcode 5 - 2. ppc arch detection in configure did not work on OS X 10.4 - 3. -sysroot and -arch flags were unnecessarily duplicated - 4. there was no obvious way to configure an intel-32 only build. - -- Issue #19019: Change the OS X installer build script to use CFLAGS instead - of OPT for special build options. By setting OPT, some compiler-specific - options like -fwrapv were overridden and thus not used, which could result - in broken interpreters when building with clang. - - -What's New in Python 3.4.0 Alpha 3? -=================================== - -Release date: 2013-09-29 - -Core and Builtins ------------------ - -- Issue #18818: The "encodingname" part of PYTHONIOENCODING is now optional. - -- Issue #19098: Prevent overflow in the compiler when the recursion limit is set - absurdly high. - -Library -------- - -- Issue #18929: `inspect.classify_class_attrs()` now correctly finds class - attributes returned by `dir()` that are located in the metaclass. - -- Issue #18950: Fix miscellaneous bugs in the sunau module. - Au_read.readframes() now updates current file position and reads correct - number of frames from multichannel stream. Au_write.writeframesraw() now - correctly updates current file position. Au_read.getnframes() now returns an - integer (as in Python 2). Au_read and Au_write now correctly works with file - object if start file position is not a zero. - -- Issue #18594: The fast path for collections.Counter() was never taken - due to an over-restrictive type check. - -- Issue #19053: ZipExtFile.read1() with non-zero argument no more returns empty - bytes until end of data. - -- logging: added support for Unix domain sockets to SocketHandler and - DatagramHandler. - -- Issue #18996: TestCase.assertEqual() now more cleverly shorten differing - strings in error report. - -- Issue #19034: repr() for tkinter.Tcl_Obj now exposes string reperesentation. - -- Issue #18978: ``urllib.request.Request`` now allows the method to be - indicated on the class and no longer sets it to None in ``__init__``. - -- Issue #18626: the inspect module now offers a basic command line - introspection interface (Initial patch by Claudiu Popa) - -- Issue #3015: Fixed tkinter with wantobject=False. Any Tcl command call - returned empty string. - -- Issue #19037: The mailbox module now makes all changes to maildir files - before moving them into place, to avoid race conditions with other programs - that may be accessing the maildir directory. - -- Issue #14984: On POSIX systems, when netrc is called without a filename - argument (and therefore is reading the user's $HOME/.netrc file), it now - enforces the same security rules as typical ftp clients: the .netrc file must - be owned by the user that owns the process and must not be readable by any - other user. - -- Issue #18873: The tokenize module now detects Python source code encoding - only in comment lines. - -- Issue #17764: Enable http.server to bind to a user specified network - interface. Patch contributed by Malte Swart. - -- Issue #18937: Add an assertLogs() context manager to unittest.TestCase - to ensure that a block of code emits a message using the logging module. - -- Issue #17324: Fix http.server's request handling case on trailing '/'. Patch - contributed by Vajrasky Kok. - -- Issue #19018: The heapq.merge() function no longer suppresses IndexError - in the underlying iterables. - -- Issue #18784: The uuid module no longer attempts to load libc via ctypes.CDLL - if all the necessary functions have already been found in libuuid. Patch by - Evgeny Sologubov. - -- The :envvar:`PYTHONFAULTHANDLER` environment variable now only enables the - faulthandler module if the variable is non-empty. Same behaviour than other - variables like :envvar:`PYTHONDONTWRITEBYTECODE`. - -- Issue #1565525: New function ``traceback.clear_frames`` will clear - the local variables of all the stack frames referenced by a traceback - object. - -Tests ------ - -- Issue #18952: Fix regression in support data downloads introduced when - test.support was converted to a package. Regression noticed by Zachary - Ware. - -IDLE ----- - -- Issue #18873: IDLE now detects Python source code encoding only in comment - lines. - -- Issue #18988: The "Tab" key now works when a word is already autocompleted. - -Documentation -------------- - -- Issue #17003: Unified the size argument names in the io module with common - practice. - -Build ------ - -- Issue #18596: Support the use of address sanity checking in recent versions - of clang and GCC by appropriately marking known false alarms in the small - object allocator. Patch contributed by Dhiru Kholia. - -Tools/Demos ------------ - -- Issue #18873: 2to3 and the findnocoding.py script now detect Python source - code encoding only in comment lines. - - -What's New in Python 3.4.0 Alpha 2? -=================================== - -Release date: 2013-09-09 - -Core and Builtins ------------------ - -- Issue #18942: sys._debugmallocstats() output was damaged on Windows. - -- Issue #18571: Implementation of the PEP 446: file descriptors and file - handles are now created non-inheritable; add functions - os.get/set_inheritable(), os.get/set_handle_inheritable() and - socket.socket.get/set_inheritable(). - -- Issue #11619: The parser and the import machinery do not encode Unicode - filenames anymore on Windows. - -- Issue #18808: Non-daemon threads are now automatically joined when - a sub-interpreter is shutdown (it would previously dump a fatal error). - -- Remove support for compiling on systems without getcwd(). - -- Issue #18774: Remove last bits of GNU PTH thread code and thread_pth.h. - -- Issue #18771: Add optimization to set object lookups to reduce the cost - of hash collisions. The core idea is to inspect a second key/hash pair - for each cache line retrieved. - -- Issue #16105: When a signal handler fails to write to the file descriptor - registered with ``signal.set_wakeup_fd()``, report an exception instead - of ignoring the error. - -- Issue #18722: Remove uses of the "register" keyword in C code. - -- Issue #18667: Add missing "HAVE_FCHOWNAT" symbol to posix._have_functions. - -- Issue #16499: Add command line option for isolated mode. - -- Issue #15301: Parsing fd, uid, and gid parameters for builtins - in Modules/posixmodule.c is now far more robust. - -- Issue #18368: PyOS_StdioReadline() no longer leaks memory when realloc() - fail. - -- Issue #17934: Add a clear() method to frame objects, to help clean up - expensive details (local variables) and break reference cycles. - -- Issue #18780: %-formatting codes %d, %i, and %u now treat int-subclasses - as int (displays value of int-subclass instead of str(int-subclass) ). - -Library -------- - -- Issue #18808: Thread.join() now waits for the underlying thread state to - be destroyed before returning. This prevents unpredictable aborts in - Py_EndInterpreter() when some non-daemon threads are still running. - -- Issue #18458: Prevent crashes with newer versions of libedit. Its readline - emulation has changed from 0-based indexing to 1-based like gnu readline. - -- Issue #18852: Handle case of ``readline.__doc__`` being ``None`` in the new - readline activation code in ``site.py``. - -- Issue #18672: Fixed format specifiers for Py_ssize_t in debugging output in - the _sre module. - -- Issue #18830: inspect.getclasstree() no longer produces duplicate entries even - when input list contains duplicates. - -- Issue #18878: sunau.open now supports the context management protocol. Based on - patches by Claudiu Popa and R. David Murray. - -- Issue #18909: Fix _tkinter.tkapp.interpaddr() on Windows 64-bit, don't cast - 64-bit pointer to long (32 bits). - -- Issue #18876: The FileIO.mode attribute now better reflects the actual mode - under which the file was opened. Patch by Erik Bray. - -- Issue #16853: Add new selectors module. - -- Issue #18882: Add threading.main_thread() function. - -- Issue #18901: The sunau getparams method now returns a namedtuple rather than - a plain tuple. Patch by Claudiu Popa. - -- Issue #17487: The result of the wave getparams method now is pickleable again. - Patch by Claudiu Popa. - -- Issue #18756: os.urandom() now uses a lazily-opened persistent file - descriptor, so as to avoid using many file descriptors when run in - parallel from multiple threads. - -- Issue #18418: After fork(), reinit all threads states, not only active ones. - Patch by A. Jesse Jiryu Davis. - -- Issue #17974: Switch unittest from using getopt to using argparse. - -- Issue #11798: TestSuite now drops references to own tests after execution. - -- Issue #16611: http.cookie now correctly parses the 'secure' and 'httponly' - cookie flags. - -- Issue #11973: Fix a problem in kevent. The flags and fflags fields are now - properly handled as unsigned. - -- Issue #18807: ``pyvenv`` now takes a --copies argument allowing copies - instead of symlinks even where symlinks are available and the default. - -- Issue #18538: ``python -m dis`` now uses argparse for argument processing. - Patch by Michele Orrù. - -- Issue #18394: Close cgi.FieldStorage's optional file. - -- Issue #17702: On error, os.environb now suppresses the exception context - when raising a new KeyError with the original key. - -- Issue #16809: Fixed some tkinter incompabilities with Tcl/Tk 8.6. - -- 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. - -- Issue #18794: Add a fileno() method and a closed attribute to select.devpoll - objects. - -- 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. - -- Issue #8865: Concurrent invocation of select.poll.poll() now raises a - RuntimeError exception. Patch by Christian Schubert. - -- Issue #18777: The ssl module now uses the new CRYPTO_THREADID API of - OpenSSL 1.0.0+ instead of the deprecated CRYPTO id callback function. - -- Issue #18768: Correct doc string of RAND_edg(). Patch by Vajrasky Kok. - -- Issue #18178: Fix ctypes on BSD. dlmalloc.c was compiled twice which broke - malloc weak symbols. - -- 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 - strings for ``rfc822Name`` (email), ``dNSName`` (DNS) and - ``uniformResourceIdentifier`` (URI). - -- Issue #18701: Remove support of old CPython versions (<3.0) from C code. - -- Issue #18756: Improve error reporting in os.urandom() when the failure - is due to something else than /dev/urandom not existing (for example, - exhausting the file descriptor limit). - -- Issue #18673: Add O_TMPFILE to os module. O_TMPFILE requires Linux kernel - 3.11 or newer. It's only defined on system with 3.11 uapi headers, too. - -- Issue #18532: Change the builtin hash algorithms' names to lower case names - as promised by hashlib's documentation. - -- Issue #8713: add new spwan and forkserver start methods, and new functions - get_all_start_methods, get_start_method, and set_start_method, to - multiprocessing. - -- Issue #18405: Improve the entropy of crypt.mksalt(). - -- Issue #12015: The tempfile module now uses a suffix of 8 random characters - instead of 6, to reduce the risk of filename collision. The entropy was - reduced when uppercase letters were removed from the charset used to generate - random characters. - -- Issue #18585: Add :func:`textwrap.shorten` to collapse and truncate a - piece of text to a given length. - -- Issue #18598: Tweak exception message for importlib.import_module() to - include the module name when a key argument is missing. - -- Issue #19151: Fix docstring and use of _get_supported_file_loaders() to - reflect 2-tuples. - -- Issue #19152: Add ExtensionFileLoader.get_filename(). - -- Issue #18676: Change 'positive' to 'non-negative' in queue.py put and get - docstrings and ValueError messages. Patch by Zhongyue Luo - -- Fix refcounting issue with extension types in tkinter. - -- Issue #8112: xlmrpc.server's DocXMLRPCServer server no longer raises an error - if methods have annotations; it now correctly displays the annotations. - -- Issue #18600: Added policy argument to email.message.Message.as_string, - and as_bytes and __bytes__ methods to Message. - -- Issue #18671: Output more information when logging exceptions occur. - -- Issue #18621: Prevent the site module's patched builtins from keeping - too many references alive for too long. - -- Issue #4885: Add weakref support to mmap objects. Patch by Valerie Lambert. - -- Issue #8860: Fixed rounding in timedelta constructor. - -- Issue #18849: Fixed a Windows-specific tempfile bug where collision with an - existing directory caused mkstemp and related APIs to fail instead of - retrying. Report and fix by Vlad Shcherbina. - -- Issue #18920: argparse's default destination for the version action (-v, - --version) has also been changed to stdout, to match the Python executable. - -Tests ------ - -- Issue #18623: Factor out the _SuppressCoreFiles context manager into - test.support. Patch by Valerie Lambert. - -- Issue #12037: Fix test_email for desktop Windows. - -- Issue #15507: test_subprocess's test_send_signal could fail if the test - runner were run in an environment where the process inherited an ignore - setting for SIGINT. Restore the SIGINT handler to the desired - KeyboardInterrupt raising one during that test. - -- Issue #16799: Switched from getopt to argparse style in regrtest's argument - parsing. Added more tests for regrtest's argument parsing. - -- Issue #18792: Use "127.0.0.1" or "::1" instead of "localhost" as much as - possible, since "localhost" goes through a DNS lookup under recent Windows - versions. - -IDLE ----- - -- Issue #18489: Add tests for SearchEngine. Original patch by Phil Webster. - -Documentation -------------- - -- Issue #18743: Fix references to non-existent "StringIO" module. - -- Issue #18783: Removed existing mentions of Python long type in docstrings, - error messages and comments. - -Build ------ - -- Issue #1584: Provide configure options to override default search paths for - Tcl and Tk when building _tkinter. - -- Issue #15663: Tcl/Tk 8.5.14 is now included with the OS X 10.6+ 64-/32-bit - installer. It is no longer necessary to install a third-party version of - Tcl/Tk 8.5 to work around the problems in the Apple-supplied Tcl/Tk 8.5 - shipped in OS X 10.6 and later releases. - -Tools/Demos ------------ - -- Issue #18922: Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write - their version strings to stdout, and not to sderr. - - -What's New in Python 3.4.0 Alpha 1? -=================================== - -Release date: 2013-08-03 - -Core and Builtins ------------------ - -- Issue #16741: Fix an error reporting in int(). - -- Issue #17899: Fix rare file descriptor leak in os.listdir(). - -- Issue #10241: Clear extension module dict copies at interpreter shutdown. - Patch by Neil Schemenauer, minimally modified. - -- Issue #9035: ismount now recognises volumes mounted below a drive root - on Windows. Original patch by Atsuo Ishimoto. - -- Issue #18214: Improve finalization of Python modules to avoid setting - their globals to None, in most cases. - -- Issue #18112: PEP 442 implementation (safe object finalization). - -- Issue #18552: Check return value of PyArena_AddPyObject() in - obj2ast_object(). - -- Issue #18560: Fix potential NULL pointer dereference in sum(). - -- Issue #18520: Add a new PyStructSequence_InitType2() function, same than - PyStructSequence_InitType() except that it has a return value (0 on success, - -1 on error). - -- Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0], - prefix and exec_prefix if the operation system does not obey MAXPATHLEN. - -- Issue #18408: Fix many various bugs in code handling errors, especially - on memory allocation failure (MemoryError). - -- Issue #18344: Fix potential ref-leaks in _bufferedreader_read_all(). - -- Issue #18342: Use the repr of a module name when an import fails when using - ``from ... import ...``. - -- Issue #17872: Fix a segfault in marshal.load() when input stream returns - more bytes than requested. - -- Issue #18338: `python --version` now prints version string to stdout, and - not to stderr. Patch by Berker Peksag and Michael Dickens. - -- Issue #18426: Fix NULL pointer dereference in C extension import when - PyModule_GetDef() returns an error. - -- Issue #17206: On Windows, increase the stack size from 2 MB to 4.2 MB to fix - a stack overflow in the marshal module (fix a crash in test_marshal). - Patch written by Jeremy Kloth. - -- Issue #3329: Implement the PEP 445: Add new APIs to customize Python memory - allocators. - -- Issue #18328: Reorder ops in PyThreadState_Delete*() functions. Now the - tstate is first removed from TLS and then deallocated. - -- Issue #13483: Use VirtualAlloc in obmalloc on Windows. - -- Issue #18184: PyUnicode_FromFormat() and PyUnicode_FromFormatV() now raise - OverflowError when an argument of %c format is out of range. - -- Issue #18111: The min() and max() functions now support a default argument - to be returned instead of raising a ValueError on an empty sequence. - (Contributed by Julian Berman.) - -- 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. - -- Issue #18180: Fix ref leak in _PyImport_GetDynLoadWindows(). - -- Issue #18038: SyntaxError raised during compilation sources with illegal - encoding now always contains an encoding name. - -- Issue #17931: Resolve confusion on Windows between pids and process - handles. - -- Tweak the exception message when the magic number or size value in a bytecode - file is truncated. - -- Issue #17932: Fix an integer overflow issue on Windows 64-bit in iterators: - change the C type of seqiterobject.it_index from long to Py_ssize_t. - -- Issue #18065: Don't set __path__ to the package name for frozen packages. - -- Issue #18088: When reloading a module, unconditionally reset all relevant - attributes on the module (e.g. __name__, __loader__, __package__, __file__, - __cached__). - -- Issue #17937: Try harder to collect cyclic garbage at shutdown. - -- Issue #12370: Prevent class bodies from interfering with the __class__ - closure. - -- Issue #17644: Fix a crash in str.format when curly braces are used in square - brackets. - -- Issue #17237: Fix crash in the ASCII decoder on m68k. - -- Issue #17927: Frame objects kept arguments alive if they had been - copied into a cell, even if the cell was cleared. - -- Issue #1545463: At shutdown, defer finalization of codec modules so - that stderr remains usable. - -- Issue #7330: Implement width and precision (ex: "%5.3s") for the format - string of PyUnicode_FromFormat() function, original patch written by Ysj Ray. - -- Issue #1545463: Global variables caught in reference cycles are now - garbage-collected at shutdown. - -- Issue #17094: Clear stale thread states after fork(). Note that this - is a potentially disruptive change since it may release some system - resources which would otherwise remain perpetually alive (e.g. database - connections kept in thread-local storage). - -- Issue #17408: Avoid using an obsolete instance of the copyreg module when - the interpreter is shutdown and then started again. - -- Issue #5845: Enable tab-completion in the interactive interpreter by - default, thanks to a new sys.__interactivehook__. - -- Issue #17115,17116: Module initialization now includes setting __package__ and - __loader__ attributes to None. - -- Issue #17853: Ensure locals of a class that shadow free variables always win - over the closures. - -- Issue #17863: In the interactive console, don't loop forever if the encoding - can't be fetched from stdin. - -- Issue #17867: Raise an ImportError if __import__ is not found in __builtins__. - -- Issue #18698: Ensure importlib.reload() returns the module out of sys.modules. - -- Issue #17857: Prevent build failures with pre-3.5.0 versions of sqlite3, - such as was shipped with Centos 5 and Mac OS X 10.4. - -- Issue #17413: sys.settrace callbacks were being passed a string instead of an - exception instance for the 'value' element of the arg tuple if the exception - originated from C code; now an exception instance is always provided. - -- Issue #17782: Fix undefined behaviour on platforms where - ``struct timespec``'s "tv_nsec" member is not a C long. - -- Issue #17722: When looking up __round__, resolve descriptors. - -- Issue #16061: Speed up str.replace() for replacing 1-character strings. - -- Issue #17715: Fix segmentation fault from raising an exception in a __trunc__ - method. - -- Issue #17643: Add __callback__ attribute to weakref.ref. - -- Issue #16447: Fixed potential segmentation fault when setting __name__ on a - class. - -- Issue #17669: Fix crash involving finalization of generators using yield from. - -- Issue #14439: Python now prints the traceback on runpy failure at startup. - -- Issue #17469: Fix _Py_GetAllocatedBlocks() and sys.getallocatedblocks() - when running on valgrind. - -- Issue #17619: Make input() check for Ctrl-C correctly on Windows. - -- Issue #17357: Add missing verbosity messages for -v/-vv that were lost during - the importlib transition. - -- Issue #17610: Don't rely on non-standard behavior of the C qsort() function. - -- Issue #17323: The "[X refs, Y blocks]" printed by debug builds has been - disabled by default. It can be re-enabled with the `-X showrefcount` option. - -- Issue #17328: Fix possible refleak in dict.setdefault. - -- Issue #17275: Corrected class name in init error messages of the C version of - BufferedWriter and BufferedRandom. - -- Issue #7963: Fixed misleading error message that issued when object is - called without arguments. - -- Issue #8745: Small speed up zipimport on Windows. Patch by Catalin Iacob. - -- Issue #5308: Raise ValueError when marshalling too large object (a sequence - with size >= 2**31), instead of producing illegal marshal data. - -- Issue #12983: Bytes literals with invalid ``\x`` escape now raise a SyntaxError - and a full traceback including line number. - -- Issue #16967: In function definition, evaluate positional defaults before - keyword-only defaults. - -- 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 - string (wstr) format is now cleared. - -- Issue #17043: The unicode-internal decoder no longer read past the end of - input buffer. - -- Issue #17098: All modules now have __loader__ set even if they pre-exist the - bootstrapping of importlib. - -- Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder. - -- Issue #16772: The base argument to the int constructor no longer accepts - floats, or other non-integer objects with an __int__ method. Objects - with an __index__ method are now accepted. - -- Issue #10156: In the interpreter's initialization phase, unicode globals - are now initialized dynamically as needed. - -- Issue #16980: Fix processing of escaped non-ascii bytes in the - unicode-escape-decode decoder. - -- Issue #16975: Fix error handling bug in the escape-decode bytes decoder. - -- Issue #14850: Now a charmap decoder treats U+FFFE as "undefined mapping" - in any mapping, not only in a string. - -- Issue #16613: Add *m* argument to ``collections.Chainmap.new_child`` to - allow the new child map to be specified explicitly. - -- Issue #16730: importlib.machinery.FileFinder now no longers raises an - exception when trying to populate its cache and it finds out the directory is - unreadable or has turned into a file. Reported and diagnosed by - David Pritchard. - -- Issue #16906: Fix a logic error that prevented most static strings from being - cleared. - -- Issue #11461: Fix the incremental UTF-16 decoder. Original patch by - Amaury Forgeot d'Arc. - -- Issue #16856: Fix a segmentation fault from calling repr() on a dict with - a key whose repr raise an exception. - -- Issue #16367: Fix FileIO.readall() on Windows for files larger than 2 GB. - -- Issue #16761: Calling int() with base argument only now raises TypeError. - -- Issue #16759: Support the full DWORD (unsigned long) range in Reg2Py - when retrieving a REG_DWORD value. This corrects functions like - winreg.QueryValueEx that may have been returning truncated values. - -- Issue #14420: Support the full DWORD (unsigned long) range in Py2Reg - when passed a REG_DWORD value. Fixes OverflowError in winreg.SetValueEx. - -- Issue #11939: Set the st_dev attribute of stat_result to allow Windows to - take advantage of the os.path.samefile/sameopenfile/samestat implementations - used by other platforms. - -- Issue #16772: The int() constructor's second argument (base) no longer - accepts non integer values. Consistent with the behavior in Python 2. - -- Issue #14470: Remove w9xpopen support per PEP 11. - -- Issue #9856: Replace deprecation warning with raising TypeError - in object.__format__. Patch by Florent Xicluna. - -- Issue #16597: In buffered and text IO, call close() on the underlying stream - if invoking flush() fails. - -- Issue #16722: In the bytes() constructor, try to call __bytes__ on the - argument before __index__. - -- Issue #16421: loading multiple modules from one shared object is now - handled correctly (previously, the first module loaded from that file - was silently returned). Patch by Václav Šmilauer. - -- Issue #16602: When a weakref's target was part of a long deallocation - chain, the object could remain reachable through its weakref even though - its refcount had dropped to zero. - -- Issue #16495: Remove extraneous NULL encoding check from bytes_decode(). - -- Issue #16619: Create NameConstant AST class to represent None, True, and False - literals. As a result, these constants are never loaded at runtime from - builtins. - -- Issue #16455: On FreeBSD and Solaris, if the locale is C, the - ASCII/surrogateescape codec is now used (instead of the locale encoding) to - decode the command line arguments. This change fixes inconsistencies with - os.fsencode() and os.fsdecode(), because these operating systems announce an - ASCII locale encoding, but actually use the ISO-8859-1 encoding in practice. - -- Issue #16562: Optimize dict equality testing. Patch by Serhiy Storchaka. - -- Issue #16588: Silence unused-but-set warnings in Python/thread_pthread - -- Issue #16592: stringlib_bytes_join doesn't raise MemoryError on allocation - failure. - -- Issue #16546: Fix: ast.YieldFrom argument is now mandatory. - -- Issue #16514: Fix regression causing a traceback when sys.path[0] is None - (actually, any non-string or non-bytes type). - -- Issue #16306: Fix multiple error messages when unknown command line - parameters where passed to the interpreter. Patch by Hieu Nguyen. - -- Issue #16215: Fix potential double memory free in str.replace(). Patch - by Serhiy Storchaka. - -- Issue #16290: A float return value from the __complex__ special method is no - longer accepted in the complex() constructor. - -- Issue #16416: On Mac OS X, operating system data are now always - encoded/decoded to/from UTF-8/surrogateescape, instead of the locale encoding - (which may be ASCII if no locale environment variable is set), to avoid - inconsistencies with os.fsencode() and os.fsdecode() functions which are - already using UTF-8/surrogateescape. - -- Issue #16453: Fix equality testing of dead weakref objects. - -- Issue #9535: Fix pending signals that have been received but not yet - handled by Python to not persist after os.fork() in the child process. - -- Issue #14794: Fix slice.indices to return correct results for huge values, - rather than raising OverflowError. - -- Issue #15001: fix segfault on "del sys.modules['__main__']". Patch by Victor - Stinner. - -- Issue #8271: the utf-8 decoder now outputs the correct number of U+FFFD - characters when used with the 'replace' error handler on invalid utf-8 - sequences. Patch by Serhiy Storchaka, tests by Ezio Melotti. - -- Issue #5765: Apply a hard recursion limit in the compiler instead of - blowing the stack and segfaulting. Initial patch by Andrea Griffini. - -- Issue #16402: When slicing a range, fix shadowing of exceptions from - __index__. - -- Issue #16336: fix input checking in the surrogatepass error handler. - Patch by Serhiy Storchaka. - -- Issue #8401: assigning an int to a bytearray slice (e.g. b[3:4] = 5) now - raises an error. - -- Issue #7317: Display full tracebacks when an error occurs asynchronously. - Patch by Alon Horev with update by Alexey Kachayev. - -- Issue #16309: Make PYTHONPATH="" behavior the same as if PYTHONPATH - not set at all. - -- Issue #10189: Improve the error reporting of SyntaxErrors related to global - and nonlocal statements. - -- Fix segfaults on setting __qualname__ on builtin types and attempting to - delete it on any type. - -- Issue #14625: Rewrite the UTF-32 decoder. It is now 3x to 4x faster. Patch - written by Serhiy Storchaka. - -- Issue #16345: Fix an infinite loop when ``fromkeys`` on a dict subclass - received a nonempty dict from the constructor. - -- Issue #16271: Fix strange bugs that resulted from __qualname__ appearing in a - class's __dict__ and on type. - -- Issue #12805: Make bytes.join and bytearray.join faster when the separator - is empty. Patch by Serhiy Storchaka. - -- Issue #6074: Ensure cached bytecode files can always be updated by the - user that created them, even when the source file is read-only. - -- Issue #15958: bytes.join and bytearray.join now accept arbitrary buffer - objects. - -- Issue #14783: Improve int() docstring and switch docstrings for str(), - range(), and slice() to use multi-line signatures. - -- Issue #16160: Subclass support now works for types.SimpleNamespace. - -- Issue #16148: Implement PEP 424, adding operator.length_hint and - PyObject_LengthHint. - -- Upgrade Unicode data (UCD) to version 6.2. - -- Issue #15379: Fix passing of non-BMP characters as integers for the charmap - decoder (already working as unicode strings). Patch by Serhiy Storchaka. - -- Issue #15144: Fix possible integer overflow when handling pointers as integer - values, by using `Py_uintptr_t` instead of `size_t`. Patch by Serhiy - Storchaka. - -- Issue #15965: Explicitly cast `AT_FDCWD` as (int). Required on Solaris 10 - (which defines `AT_FDCWD` as ``0xffd19553``), harmless on other platforms. - -- Issue #15839: Convert SystemErrors in `super()` to RuntimeErrors. - -- Issue #15448: Buffered IO now frees the buffer when closed, instead - of when deallocating. - -- Issue #15846: Fix SystemError which happened when using `ast.parse()` in an - exception handler on code with syntax errors. - -- Issue #15897: zipimport.c doesn't check return value of fseek(). - Patch by Felipe Cruz. - -- Issue #15801: Make sure mappings passed to '%' formatting are actually - subscriptable. - -- Issue #15111: __import__ should propagate ImportError when raised as a - side-effect of a module triggered from using fromlist. - -- Issue #15022: Add pickle and comparison support to types.SimpleNamespace. - -Library -------- - -- Issue #4331: Added functools.partialmethod (Initial patch by Alon Horev) - -- Issue #13461: Fix a crash in the TextIOWrapper.tell method on 64-bit - platforms. Patch by Yogesh Chaudhari. - -- Issue #18681: Fix a NameError in importlib.reload() (noticed by Weizhao Li). - -- Issue #14323: Expanded the number of digits in the coefficients for the - RGB -- YIQ conversions so that they match the FCC NTSC versions. - -- Issue #17998: Fix an internal error in regular expression engine. - -- Issue #17557: Fix os.getgroups() to work with the modified behavior of - getgroups(2) on OS X 10.8. Original patch by Mateusz Lenik. - -- Issue #18608: Avoid keeping a strong reference to the locale module - inside the _io module. - -- Issue #18619: Fix atexit leaking callbacks registered from sub-interpreters, - and make it GC-aware. - -- Issue #15699: The readline module now uses PEP 3121-style module - initialization, so as to reclaim allocated resources (Python callbacks) - at shutdown. Original patch by Robin Schreiber. - -- Issue #17616: wave.open now supports the context management protocol. - -- Issue #18599: Fix name attribute of _sha1.sha1() object. It now returns - 'SHA1' instead of 'SHA'. - -- Issue #13266: Added inspect.unwrap to easily unravel __wrapped__ chains - (initial patch by Daniel Urban and Aaron Iles) - -- Issue #18561: Skip name in ctypes' _build_callargs() if name is NULL. - -- Issue #18559: Fix NULL pointer dereference error in _pickle module - -- Issue #18556: Check the return type of PyUnicode_AsWideChar() in ctype's - U_set(). - -- Issue #17818: aifc.getparams now returns a namedtuple. - -- Issue #18549: Eliminate dead code in socket_ntohl() - -- Issue #18530: Remove additional stat call from posixpath.ismount. - Patch by Alex Gaynor. - -- Issue #18514: Fix unreachable Py_DECREF() call in PyCData_FromBaseObj() - -- Issue #9177: Calling read() or write() now raises ValueError, not - AttributeError, on a closed SSL socket. Patch by Senko Rasic. - -- Issue #18513: Fix behaviour of cmath.rect w.r.t. signed zeros on OS X 10.8 + - gcc. - -- Issue #18479: Changed venv Activate.ps1 to make deactivate a function, and - removed Deactivate.ps1. - -- Issue #18480: Add missing call to PyType_Ready to the _elementtree extension. - -- Issue #17778: Fix test discovery for test_multiprocessing. (Patch by - Zachary Ware.) - -- Issue #18393: The private module _gestalt and private functions - platform._mac_ver_gestalt, platform._mac_ver_lookup and - platform._bcd2str have been removed. This does not affect the public - interface of the platform module. - -- Issue #17482: functools.update_wrapper (and functools.wraps) now set the - __wrapped__ attribute correctly even if the underlying function has a - __wrapped__ attribute set. - -- Issue #18431: The new email header parser now decodes RFC2047 encoded words - in structured headers. - -- Issue #18432: The sched module's queue method was incorrectly returning - an iterator instead of a list. - -- Issue #18044: The new email header parser was mis-parsing encoded words where - an encoded character immediately followed the '?' that follows the CTE - character, resulting in a decoding failure. They are now decoded correctly. - -- Issue #18101: Tcl.split() now process strings nested in a tuple as it - do with byte strings. - -- Issue #18116: getpass was always getting an error when testing /dev/tty, - and thus was always falling back to stdin, and would then raise an exception - if stdin could not be used (such as /dev/null). It also leaked an open file. - All of these issues are now fixed. - -- Issue #17198: Fix a NameError in the dbm module. Patch by Valentina - Mukhamedzhanova. - -- Issue #18013: Fix cgi.FieldStorage to parse the W3C sample form. - -- Issue #18020: improve html.escape speed by an order of magnitude. - Patch by Matt Bryant. - -- Issue #18347: ElementTree's html serializer now preserves the case of - closing tags. - -- Issue #17261: Ensure multiprocessing's proxies use proper address. - -- Issue #18343: faulthandler.register() now keeps the previous signal handler - when the function is called twice, so faulthandler.unregister() restores - correctly the original signal handler. - -- Issue #17097: Make multiprocessing ignore EINTR. - -- Issue #18339: Negative ints keys in unpickler.memo dict no longer cause a - segfault inside the _pickle C extension. - -- Issue #18240: The HMAC module is no longer restricted to bytes and accepts - any bytes-like object, e.g. memoryview. Original patch by Jonas Borgström. - -- Issue #18224: Removed pydoc script from created venv, as it causes problems - 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 - throwing an exception. - -- Issue #14360: encode_quopri can now be successfully used as an encoder - when constructing a MIMEApplication object. - -- Issue #11390: Add -o and -f command line options to the doctest CLI to - specify doctest options (and convert it to using argparse). - -- Issue #18135: ssl.SSLSocket.write() now raises an OverflowError if the input - string in longer than 2 gigabytes, and ssl.SSLContext.load_cert_chain() - raises a ValueError if the password is longer than 2 gigabytes. The ssl - module does not support partial write. - -- Issue #11016: Add C implementation of the stat module as _stat. - -- Issue #18248: Fix libffi build on AIX. - -- Issue #18259: Declare sethostname in socketmodule.c for AIX - -- Issue #18147: Add diagnostic functions to ssl.SSLContext(). get_ca_list() - lists all loaded CA certificates and cert_store_stats() returns amount of - loaded X.509 certs, X.509 CA certs and CRLs. - -- Issue #18167: cgi.FieldStorage no longer fails to handle multipart/form-data - when ``\r\n`` appears at end of 65535 bytes without other newlines. - -- Issue #18076: Introduce importlib.util.decode_source(). - -- Issue #18357: add tests for dictview set difference. - Patch by Fraser Tweedale. - -- importlib.abc.SourceLoader.get_source() no longer changes SyntaxError or - UnicodeDecodeError into ImportError. - -- Issue #18058, 18057: Make the namespace package loader meet the - importlib.abc.InspectLoader ABC, allowing for namespace packages to work with - runpy. - -- Issue #17177: The imp module is pending deprecation. - -- subprocess: Prevent a possible double close of parent pipe fds when the - subprocess exec runs into an error. Prevent a regular multi-close of the - /dev/null fd when any of stdin, stdout and stderr was set to DEVNULL. - -- Issue #18194: Introduce importlib.util.cache_from_source() and - source_from_cache() while documenting the equivalent functions in imp as - deprecated. - -- Issue #17907: Document imp.new_module() as deprecated in favour of - types.ModuleType. - -- Issue #18192: Introduce importlib.util.MAGIC_NUMBER and document as deprecated - imp.get_magic(). - -- Issue #18149: Add filecmp.clear_cache() to manually clear the filecmp cache. - Patch by Mark Levitt - -- Issue #18193: Add importlib.reload(). - -- Issue #18157: Stop using imp.load_module() in pydoc. - -- Issue #16102: Make uuid._netbios_getnode() work again on Python 3. - -- Issue #17134: Add ssl.enum_cert_store() as interface to Windows' cert store. - -- Issue #18143: Implement ssl.get_default_verify_paths() in order to debug - the default locations for cafile and capath. - -- Issue #17314: Move multiprocessing.forking over to importlib. - -- Issue #11959: SMTPServer and SMTPChannel now take an optional map, use of - which avoids affecting global state. - -- Issue #18109: os.uname() now decodes fields from the locale encoding, and - socket.gethostname() now decodes the hostname from the locale encoding, - instead of using the UTF-8 encoding in strict mode. - -- Issue #18089: Implement importlib.abc.InspectLoader.load_module. - -- Issue #18088: Introduce importlib.abc.Loader.init_module_attrs for setting - module attributes. Leads to the pending deprecation of - importlib.util.module_for_loader. - -- Issue #17403: urllib.parse.robotparser normalizes the urls before adding to - ruleline. This helps in handling certain types invalid urls in a conservative - manner. Patch contributed by Mher Movsisyan. - -- Issue #18070: Have importlib.util.module_for_loader() set attributes - unconditionally in order to properly support reloading. - -- Added importlib.util.module_to_load to return a context manager to provide the - proper module object to load. - -- Issue #18025: Fixed a segfault in io.BufferedIOBase.readinto() when raw - stream's read() returns more bytes than requested. - -- Issue #18011: As was originally intended, base64.b32decode() now raises a - binascii.Error if there are non-b32-alphabet characters present in the input - string, instead of a TypeError. - -- Issue #18072: Implement importlib.abc.InspectLoader.get_code() and - importlib.abc.ExecutionLoader.get_code(). - -- Issue #8240: Set the SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER flag on SSL - sockets. - -- Issue #17269: Workaround for socket.getaddrinfo crash on MacOS X - with port None or "0" and flags AI_NUMERICSERV. - -- Issue #16986: ElementTree now correctly works with string input when the - internal XML encoding is not UTF-8 or US-ASCII. - -- Issue #17996: socket module now exposes AF_LINK constant on BSD and OSX. - -- Issue #17900: Allowed pickling of recursive OrderedDicts. Decreased pickled - size and pickling time. - -- Issue #17914: Add os.cpu_count(). Patch by Yogesh Chaudhari, based on an - initial patch by Trent Nelson. - -- Issue #17812: Fixed quadratic complexity of base64.b32encode(). - Optimize base64.b32encode() and base64.b32decode() (speed up to 3x). - -- Issue #17980: Fix possible abuse of ssl.match_hostname() for denial of - service using certificates with many wildcards (CVE-2013-2099). - -- Issue #15758: Fix FileIO.readall() so it no longer has O(n**2) complexity. - -- Issue #14596: The struct.Struct() objects now use a more compact - implementation. - -- Issue #17981: logging's SysLogHandler now closes the socket when it catches - socket OSErrors. - -- Issue #17964: Fix os.sysconf(): the return type of the C sysconf() function - is long, not int. - -- Fix typos in the multiprocessing module. - -- Issue #17754: Make ctypes.util.find_library() independent of the locale. - -- Issue #17968: Fix memory leak in os.listxattr(). - -- Issue #17606: Fixed support of encoded byte strings in the XMLGenerator - characters() and ignorableWhitespace() methods. Original patch by Sebastian - Ortiz Vasquez. - -- Issue #17732: Ignore distutils.cfg options pertaining to install paths if a - virtual environment is active. - -- Issue #17915: Fix interoperability of xml.sax with file objects returned by - codecs.open(). - -- Issue #16601: Restarting iteration over tarfile really restarts rather - than continuing from where it left off. Patch by Michael Birtwell. - -- Issue #17289: The readline module now plays nicer with external modules - or applications changing the rl_completer_word_break_characters global - variable. Initial patch by Bradley Froehle. - -- Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit - platforms. Patch by Federico Schwindt. - -- Issue #11816: multiple improvements to the dis module: get_instructions - generator, ability to redirect output to a file, Bytecode and Instruction - abstractions. Patch by Nick Coghlan, Ryan Kelly and Thomas Kluyver. - -- Issue #13831: Embed stringification of remote traceback in local - traceback raised when pool task raises an exception. - -- Issue #15528: Add weakref.finalize to support finalization using - weakref callbacks. - -- Issue #14173: Avoid crashing when reading a signal handler during - interpreter shutdown. - -- Issue #15902: Fix imp.load_module() accepting None as a file when loading an - extension module. - -- Issue #13721: SSLSocket.getpeercert() and SSLSocket.do_handshake() now - raise an OSError with ENOTCONN, instead of an AttributeError, when the - SSLSocket is not connected. - -- Issue #14679: add an __all__ (that contains only HTMLParser) to html.parser. - -- Issue #17802: Fix an UnboundLocalError in html.parser. Initial tests by - 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. - -- Issue #17804: New function ``struct.iter_unpack`` allows for streaming - struct unpacking. - -- Issue #17830: When keyword.py is used to update a keyword file, it now - preserves the line endings of the original file. - -- Issue #17272: Making the urllib.request's Request.full_url a descriptor. - Fixes bugs with assignment to full_url. Patch by Demian Brecht. - -- Issue #17353: Plistlib emitted empty data tags with deeply nested datastructures - -- Issue #11714: Use 'with' statements to assure a Semaphore releases a - condition variable. Original patch by Thomas Rachel. - -- Issue #16624: `subprocess.check_output` now accepts an `input` argument, - allowing the subprocess's stdin to be provided as a (byte) string. - Patch by Zack Weinberg. - -- Issue #17795: Reverted backwards-incompatible change in SysLogHandler with - Unix domain sockets. - -- Issue #16694: Add a pure Python implementation of the operator module. - Patch by Zachary Ware. - -- Issue #11182: remove the unused and undocumented pydoc.Scanner class. - Patch by Martin Morrison. - -- Issue #17741: Add ElementTree.XMLPullParser, an event-driven parser for - non-blocking applications. - -- Issue #17555: Fix ForkAwareThreadLock so that size of after fork - registry does not grow exponentially with generation of process. - -- Issue #17707: fix regression in multiprocessing.Queue's get() method where - it did not block for short timeouts. - -- Issue #17720: Fix the Python implementation of pickle.Unpickler to correctly - process the APPENDS opcode when it is used on non-list objects. - -- Issue #17012: shutil.which() no longer falls back to the PATH environment - variable if an empty path argument is specified. Patch by Serhiy Storchaka. - -- Issue #17710: Fix pickle raising a SystemError on bogus input. - -- Issue #17341: Include the invalid name in the error messages from re about - invalid group names. - -- Issue #17702: os.environ now raises KeyError with the original environment - variable name (str on UNIX), instead of using the encoded name (bytes on - UNIX). - -- Issue #16163: Make the importlib based version of pkgutil.iter_importers - work for submodules. Initial patch by Berker Peksag. - -- Issue #16804: Fix a bug in the 'site' module that caused running - 'python -S -m site' to incorrectly throw an exception. - -- Issue #15480: Remove the deprecated and unused TYPE_INT64 code from marshal. - Initial patch by Daniel Riti. - -- Issue #2118: SMTPException is now a subclass of OSError. - -- Issue #17016: Get rid of possible pointer wraparounds and integer overflows - in the re module. Patch by Nickolai Zeldovich. - -- Issue #16658: add missing return to HTTPConnection.send(). - Patch by Jeff Knupp. - -- Issue #9556: the logging package now allows specifying a time-of-day for a - TimedRotatingFileHandler to rotate. - -- Issue #14971: unittest test discovery no longer gets confused when a function - has a different __name__ than its name in the TestCase class dictionary. - -- Issue #17487: The wave getparams method now returns a namedtuple rather than - a plain tuple. - -- Issue #17675: socket repr() provides local and remote addresses (if any). - Patch by Giampaolo Rodola' - -- Issue #17093: Make the ABCs in importlib.abc provide default values or raise - reasonable exceptions for their methods to make them more amenable to super() - calls. - -- Issue #17566: Make importlib.abc.Loader.module_repr() optional instead of an - abstractmethod; now it raises NotImplementedError so as to be ignored by default. - -- Issue #17678: Remove the use of deprecated method in http/cookiejar.py by - changing the call to get_origin_req_host() to origin_req_host. - -- Issue #17666: Fix reading gzip files with an extra field. - -- Issue #16475: Support object instancing, recursion and interned strings - in marshal - -- Issue #17502: Process DEFAULT values in mock side_effect that returns iterator. - -- Issue #16795: On the ast.arguments object, unify vararg with varargannotation - and kwarg and kwargannotation. Change the column offset of ast.Attribute to be - at the attribute name. - -- Issue #17434: Properly raise a SyntaxError when a string occurs between future - imports. - -- Issue #17117: Import and @importlib.util.set_loader now set __loader__ when - it has a value of None or the attribute doesn't exist. - -- Issue #17032: The "global" in the "NameError: global name 'x' is not defined" - 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 - 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 - set_userptr() method. Reported by Atsuo Ishimoto. - -- Implement PEP 443 "Single-dispatch generic functions". - -- Implement PEP 435 "Adding an Enum type to the Python standard library". - -- Issue #15596: Faster pickling of unicode strings. - -- Issue #17572: Avoid chained exceptions when passing bad directives to - time.strptime(). Initial patch by Claudiu Popa. - -- Issue #17435: threading.Timer's __init__ method no longer uses mutable - default values for the args and kwargs parameters. - -- Issue #17526: fix an IndexError raised while passing code without filename to - inspect.findsource(). Initial patch by Tyler Doyle. - -- Issue #17540: Added style parameter to logging formatter configuration by dict. - -- Issue #16692: The ssl module now supports TLS 1.1 and TLS 1.2. Initial - patch by Michele Orrù. - -- Issue #17025: multiprocessing: Reduce Queue and SimpleQueue contention. - -- Issue #17536: Add to webbrowser's browser list: www-browser, x-www-browser, - iceweasel, iceape. - -- Issue #17150: pprint now uses line continuations to wrap long string - literals. - -- Issue #17488: Change the subprocess.Popen bufsize parameter default value - from unbuffered (0) to buffering (-1) to match the behavior existing code - expects and match the behavior of the subprocess module in Python 2 to avoid - introducing hard to track down bugs. - -- Issue #17521: Corrected non-enabling of logger following two calls to - fileConfig(). - -- Issue #17508: Corrected logging MemoryHandler configuration in dictConfig() - where the target handler wasn't configured first. - -- Issue #17209: curses.window.get_wch() now correctly handles KeyboardInterrupt - (CTRL+c). - -- Issue #5713: smtplib now handles 421 (closing connection) error codes when - sending mail by closing the socket and reporting the 421 error code via the - exception appropriate to the command that received the error response. - -- Issue #16997: unittest.TestCase now provides a subTest() context manager - to procedurally generate, in an easy way, small test instances. - -- Issue #17485: Also delete the Request Content-Length header if the data - attribute is deleted. (Follow on to issue Issue #16464). - -- Issue #15927: CVS now correctly parses escaped newlines and carriage - when parsing with quoting turned off. - -- Issue #17467: add readline and readlines support to mock_open in - unittest.mock. - -- Issue #13248: removed deprecated and undocumented difflib.isbjunk, - isbpopular. - -- Issue #17192: Update the ctypes module's libffi to v3.0.13. This - 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 #17443: imaplib.IMAP4_stream was using the default unbuffered IO - in subprocess, but the imap code assumes buffered IO. In Python2 this - worked by accident. IMAP4_stream now explicitly uses buffered IO. - -- Issue #17476: Fixed regression relative to Python2 in undocumented pydoc - 'allmethods'; it was missing unbound methods on the class. - -- Issue #17474: Remove the deprecated methods of Request class. - -- Issue #16709: unittest discover order is no-longer filesystem specific. Patch - by Jeff Ramnani. - -- Use the HTTPS PyPI url for upload, overriding any plain HTTP URL in pypirc. - -- Issue #5024: sndhdr.whichhdr now returns the frame count for WAV files - rather than -1. - -- Issue #17460: Remove the strict argument of HTTPConnection and removing the - DeprecationWarning being issued from 3.2 onwards. - -- Issue #16880: Do not assume _imp.load_dynamic() is defined in the imp module. - -- Issue #16389: Fixed a performance regression relative to Python 3.1 in the - caching of compiled regular expressions. - -- Added missing FeedParser and BytesFeedParser to email.parser.__all__. - -- Issue #17431: Fix missing import of BytesFeedParser in email.parser. - -- Issue #12921: http.server's send_error takes an explain argument to send more - information in response. Patch contributed by Karl. - -- Issue #17414: Add timeit, repeat, and default_timer to timeit.__all__. - -- Issue #1285086: Get rid of the refcounting hack and speed up - urllib.parse.unquote() and urllib.parse.unquote_to_bytes(). - -- Issue #17099: Have importlib.find_loader() raise ValueError when __loader__ - is not set, harmonizing with what happens when the attribute is set to None. - -- Expose the O_PATH constant in the os module if it is available. - -- Issue #17368: Fix an off-by-one error in the Python JSON decoder that caused - a failure while decoding empty object literals when object_pairs_hook was - specified. - -- Issue #17385: Fix quadratic behavior in threading.Condition. The FIFO - queue now uses a deque instead of a list. - -- Issue #15806: Add contextlib.ignore(). This creates a context manager to - ignore specified exceptions, replacing the "except SomeException: pass" idiom. - -- Issue #14645: The email generator classes now produce output using the - specified linesep throughout. Previously if the prolog, epilog, or - body were stored with a different linesep, that linesep was used. This - fix corrects an RFC non-compliance issue with smtplib.send_message. - -- Issue #17278: Fix a crash in heapq.heappush() and heapq.heappop() when - the list is being resized concurrently. - -- Issue #16962: Use getdents64 instead of the obsolete getdents syscall - in the subprocess module on Linux. - -- Issue #16935: unittest now counts the module as skipped if it raises SkipTest, - instead of counting it as an error. Patch by Zachary Ware. - -- Issue #17018: Make Process.join() retry if os.waitpid() fails with EINTR. - -- Issue #17223: array module: Fix a crasher when converting an array containing - invalid characters (outside range [U+0000; U+10ffff]) to Unicode: - repr(array), str(array) and array.tounicode(). Patch written by Manuel Jacob. - -- Issue #17197: profile/cProfile modules refactored so that code of run() and - runctx() utility functions is not duplicated in both modules. - -- Issue #14720: sqlite3: Convert datetime microseconds correctly. - Patch by Lowe Thiderman. - -- Issue #15132: Allow a list for the defaultTest argument of - unittest.TestProgram. Patch by Jyrki Pulliainen. - -- Issue #17225: JSON decoder now counts columns in the first line starting - with 1, as in other lines. - -- Issue #6623: Added explicit DeprecationWarning for ftplib.netrc, which has - been deprecated and undocumented for a long time. - -- Issue #13700: Fix byte/string handling in imaplib authentication when an - authobject is specified. - -- Issue #13153: Tkinter functions now raise TclError instead of ValueError when - a string argument contains non-BMP character. - -- Issue #9669: Protect re against infinite loops on zero-width matching in - non-greedy repeat. Patch by Matthew Barnett. - -- Issue #13169: The maximal repetition number in a regular expression has been - increased from 65534 to 2147483647 (on 32-bit platform) or 4294967294 (on - 64-bit). - -- Issue #17143: Fix a missing import in the trace module. Initial patch by - Berker Peksag. - -- Issue #15220: email.feedparser's line splitting algorithm is now simpler and - faster. - -- Issue #16743: Fix mmap overflow check on 32 bit Windows. - -- Issue #16996: webbrowser module now uses shutil.which() to find a - web-browser on the executable search path. - -- Issue #16800: tempfile.gettempdir() no longer left temporary files when - the disk is full. Original patch by Amir Szekely. - -- Issue #17192: Import libffi-3.0.12. - -- Issue #16564: Fixed regression relative to Python2 in the operation of - email.encoders.encode_7or8bit when used with binary data. - -- Issue #17052: unittest discovery should use self.testLoader. - -- Issue #4591: Uid and gid values larger than 2**31 are supported now. - -- Issue #17141: random.vonmisesvariate() no longer hangs for large kappas. - -- Issue #17149: Fix random.vonmisesvariate to always return results in - [0, 2*math.pi]. - -- Issue #1470548: XMLGenerator now works with binary output streams. - -- Issue #6975: os.path.realpath() now correctly resolves multiple nested - 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. - -- Issue #16564: Fixed regression relative to Python2 in the operation of - email.encoders.encode_noop when used with binary data. - -- Issue #10355: The mode, name, encoding and newlines properties now work on - SpooledTemporaryFile objects even when they have not yet rolled over. - Obsolete method xreadline (which has never worked in Python 3) has been - removed. - -- Issue #16686: Fixed a lot of bugs in audioop module. Fixed crashes in - avgpp(), maxpp() and ratecv(). Fixed an integer overflow in add(), bias(), - and ratecv(). reverse(), lin2lin() and ratecv() no more lose precision for - 32-bit samples. max() and rms() no more returns a negative result and - various other functions now work correctly with 32-bit sample -0x80000000. - -- Issue #17073: Fix some integer overflows in sqlite3 module. - -- Issue #16723: httplib.HTTPResponse no longer marked closed when the connection - is automatically closed. - -- Issue #15359: Add CAN_BCM protocol support to the socket module. Patch by - Brian Thorne. - -- Issue #16948: Fix quoted printable body encoding for non-latin1 character - sets in the email package. - -- Issue #16811: Fix folding of headers with no value in the provisional email - policies. - -- Issue #17132: Update symbol for "yield from" grammar changes. - -- Issue #17076: Make copying of xattrs more tolerant of missing FS support. - Patch by Thomas Wouters. - -- Issue #17089: Expat parser now correctly works with string input when the - 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 - parses nested mutating sequence. - -- Issue #5289: Fix ctypes.util.find_library on Solaris. - -- Issue #17106: Fix a segmentation fault in io.TextIOWrapper when an underlying - stream or a decoder produces data of an unexpected type (i.e. when - io.TextIOWrapper initialized with text stream or use bytes-to-bytes codec). - -- Issue #17015: When it has a spec, a Mock object now inspects its signature - when matching calls, so that arguments can be matched positionally or - by name. - -- Issue #15633: httplib.HTTPResponse is now mark closed when the server - sends less than the advertised Content-Length. - -- Issue #12268: The io module file object write methods no longer abort early - when one of its write system calls is interrupted (EINTR). - -- Issue #6972: The zipfile module no longer overwrites files outside of - its destination path when extracting malicious zip files. - -- Issue #4844: ZipFile now raises BadZipFile when opens a ZIP file with an - incomplete "End of Central Directory" record. Original patch by Guilherme - Polo and Alan McIntyre. - -- Issue #17071: Signature.bind() now works when one of the keyword arguments - is named ``self``. - -- Issue #12004: Fix an internal error in PyZipFile when writing an invalid - Python file. Patch by Ben Morgan. - -- Have py_compile use importlib as much as possible to avoid code duplication. - Code now raises FileExistsError if the file path to be used for the - byte-compiled file is a symlink or non-regular file as a warning that import - will not keep the file path type if it writes to that path. - -- Issue #16972: Have site.addpackage() consider already known paths even when - none are explicitly passed in. Bug report and fix by Kirill. - -- Issue #1602133: on Mac OS X a shared library build (``--enable-shared``) - now fills the ``os.environ`` variable correctly. - -- Issue #15505: `unittest.installHandler` no longer assumes SIGINT handler is - set to a callable object. - -- Issue #13454: Fix a crash when deleting an iterator created by itertools.tee() - if all other iterators were very advanced before. - -- Issue #12411: Fix to cgi.parse_multipart to correctly use bytes boundaries - and bytes data. Patch by Jonas Wagner. - -- Issue #16957: shutil.which() no longer searches a bare file name in the - current directory on Unix and no longer searches a relative file path with - a directory part in PATH directories. Patch by Thomas Kluyver. - -- Issue #1159051: GzipFile now raises EOFError when reading a corrupted file - with truncated header or footer. - -- Issue #16993: shutil.which() now preserves the case of the path and extension - on Windows. - -- Issue #16992: On Windows in signal.set_wakeup_fd, validate the file - descriptor argument. - -- Issue #16422: For compatibility with the Python version, the C version of - decimal now uses strings instead of integers for rounding mode constants. - -- Issue #15861: tkinter now correctly works with lists and tuples containing - strings with whitespaces, backslashes or unbalanced braces. - -- Issue #9720: zipfile now writes correct local headers for files larger than - 4 GiB. - -- Issue #16955: Fix the poll() method for multiprocessing's socket - connections on Windows. - -- SSLContext.load_dh_params() now properly closes the input file. - -- Issue #15031: Refactor some .pyc management code to cut down on code - duplication. Thanks to Ronan Lamy for the report and taking an initial stab - at the problem. - -- Issue #16398: Optimize deque.rotate() so that it only moves pointers - and doesn't touch the underlying data with increfs and decrefs. - -- Issue #16900: Issue a ResourceWarning when an ssl socket is left unclosed. - -- Issue #13899: ``\A``, ``\Z``, and ``\B`` now correctly match the A, Z, - and B literals when used inside character classes (e.g. ``'[\A]'``). - Patch by Matthew Barnett. - -- Issue #15545: Fix regression in sqlite3's iterdump method where it was - failing if the connection used a row factory (such as sqlite3.Row) that - produced unsortable objects. (Regression was introduced by fix for 9750). - -- fcntl: add F_DUPFD_CLOEXEC constant, available on Linux 2.6.24+. - -- Issue #15972: Fix error messages when os functions expecting a file name or - file descriptor receive the incorrect type. - -- Issue #8109: The ssl module now has support for server-side SNI, thanks - to a :meth:`SSLContext.set_servername_callback` method. Patch by Daniel - Black. - -- Issue #16860: In tempfile, use O_CLOEXEC when available to set the - close-on-exec flag atomically. - -- Issue #16674: random.getrandbits() is now 20-40% faster for small integers. - -- Issue #16009: JSON error messages now provide more information. - -- Issue #16828: Fix error incorrectly raised by bz2.compress(b'') and - bz2.BZ2Compressor.compress(b''). Initial patch by Martin Packman. - -- Issue #16833: In http.client.HTTPConnection, do not concatenate the request - headers and body when the payload exceeds 16 KB, since it can consume more - memory for no benefit. Patch by Benno Leslie. - -- Issue #16541: tk_setPalette() now works with keyword arguments. - -- Issue #16820: In configparser, `parser.popitem()` no longer raises ValueError. - This makes `parser.clean()` work correctly. - -- Issue #16820: In configparser, ``parser['section'] = {}`` now preserves - section order within the parser. This makes `parser.update()` preserve section - order as well. - -- Issue #16820: In configparser, ``parser['DEFAULT'] = {}`` now correctly - clears previous values stored in the default section. Same goes for - ``parser.update({'DEFAULT': {}})``. - -- Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy. - -- Issue #16787: Increase asyncore and asynchat default output buffers size, to - decrease CPU usage and increase throughput. - -- Issue #10527: make multiprocessing use poll() instead of select() if available. - -- Issue #16688: Now regexes contained backreferences correctly work with - non-ASCII strings. Patch by Matthew Barnett. - -- Issue #16486: Make aifc files act as context managers. - -- Issue #16485: Now file descriptors are closed if file header patching failed - on closing an aifc file. - -- Issue #16640: Run less code under a lock in sched module. - -- Issue #16165: sched.scheduler.run() no longer blocks a scheduler for other - threads. - -- Issue #16641: Default values of sched.scheduler.enter() are no longer - modifiable. - -- Issue #16618: Make glob.glob match consistently across strings and bytes - regarding leading dots. Patch by Serhiy Storchaka. - -- Issue #16788: Add samestat to Lib/ntpath.py - -- Issue #16713: Parsing of 'tel' urls using urlparse separates params from - path. - -- Issue #16443: Add docstrings to regular expression match objects. - Patch by Anton Kasyanov. - -- Issue #15701: Fix HTTPError info method call to return the headers information. - -- Issue #16752: Add a missing import to modulefinder. Patch by Berker Peksag. - -- Issue #16646: ftplib.FTP.makeport() might lose socket error details. - (patch by Serhiy Storchaka) - -- Issue #16626: Fix infinite recursion in glob.glob() on Windows when the - pattern contains a wildcard in the drive or UNC path. Patch by Serhiy - Storchaka. - -- Issue #15783: Except for the number methods, the C version of decimal now - supports all None default values present in decimal.py. These values were - largely undocumented. - -- Issue #11175: argparse.FileType now accepts encoding and errors - arguments. Patch by Lucas Maystre. - -- Issue #16488: epoll() objects now support the `with` statement. Patch - by Serhiy Storchaka. - -- Issue #16298: In HTTPResponse.read(), close the socket when there is no - Content-Length and the incoming stream is finished. Patch by Eran - Rundstein. - -- Issue #16049: Add abc.ABC class to enable the use of inheritance to create - ABCs, rather than the more cumbersome metaclass=ABCMeta. Patch by Bruno - Dupuis. - -- Expose the TCP_FASTOPEN and MSG_FASTOPEN flags in socket when they're - available. - -- Issue #15701: Add a .headers attribute to urllib.error.HTTPError. Patch - contributed by Berker Peksag. - -- Issue #15872: Fix 3.3 regression introduced by the new fd-based shutil.rmtree - that caused it to not ignore certain errors when ignore_errors was set. - Patch by Alessandro Moura and Serhiy Storchaka. - -- Issue #16248: Disable code execution from the user's home directory by - tkinter when the -E flag is passed to Python. Patch by Zachary Ware. - -- Issue #13390: New function :func:`sys.getallocatedblocks()` returns the - number of memory blocks currently allocated. - -- Issue #16628: Fix a memory leak in ctypes.resize(). - -- Issue #13614: Fix setup.py register failure with invalid rst in description. - Patch by Julien Courteau and Pierre Paul Lefebvre. - -- Issue #13512: Create ~/.pypirc securely (CVE-2011-4944). Initial patch by - Philip Jenvey, tested by Mageia and Debian. - -- 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. - Patch by Ilya Sandler. - -- Issue #16585: Make CJK encoders support error handlers that return bytes per - PEP 383. - -- Issue #10182: The re module doesn't truncate indices to 32 bits anymore. - Patch by Serhiy Storchaka. - -- Issue #16333: use (",", ": ") as default separator in json when indent is - specified, to avoid trailing whitespace. Patch by Serhiy Storchaka. - -- Issue #16573: In 2to3, treat enumerate() like a consuming call, so superfluous - list() calls aren't added to filter(), map(), and zip() which are directly - passed enumerate(). - -- Issue #16464: Reset the Content-Length header when a urllib Request is reused - with new data. - -- Issue #12848: The pure Python pickle implementation now treats object - lengths as unsigned 32-bit integers, like the C implementation does. - Patch by Serhiy Storchaka. - -- Issue #16423: urllib.request now has support for ``data:`` URLs. Patch by - Mathias Panzenböck. - -- Issue #4473: Add a POP3.stls() to switch a clear-text POP3 session into - an encrypted POP3 session, on supported servers. Patch by Lorenzo Catucci. - -- Issue #4473: Add a POP3.capa() method to query the capabilities advertised - by the POP3 server. Patch by Lorenzo Catucci. - -- Issue #4473: Ensure the socket is shutdown cleanly in POP3.close(). - Patch by Lorenzo Catucci. - -- Issue #16522: added FAIL_FAST flag to doctest. - -- Issue #15627: Add the importlib.abc.InspectLoader.source_to_code() method. - -- Issue #16408: Fix file descriptors not being closed in error conditions - in the zipfile module. Patch by Serhiy Storchaka. - -- Issue #14631: Add a new :class:`weakref.WeakMethod` to simulate weak - references to bound methods. - -- Issue #16469: Fix exceptions from float -> Fraction and Decimal -> Fraction - conversions for special values to be consistent with those for float -> int - and Decimal -> int. Patch by Alexey Kachayev. - -- Issue #16481: multiprocessing no longer leaks process handles on Windows. - -- Issue #12428: Add a pure Python implementation of functools.partial(). - Patch by Brian Thorne. - -- Issue #16140: The subprocess module no longer double closes its child - subprocess.PIPE parent file descriptors on child error prior to exec(). - -- Remove a bare print to stdout from the subprocess module that could have - happened if the child process wrote garbage to its pre-exec error pipe. - -- The subprocess module now raises its own SubprocessError instead of a - RuntimeError in various error situations which should not normally happen. - -- Issue #16327: The subprocess module no longer leaks file descriptors - used for stdin/stdout/stderr pipes to the child when fork() fails. - -- Issue #14396: Handle the odd rare case of waitpid returning 0 when not - expected in subprocess.Popen.wait(). - -- Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access - previously-freed memory. Patch by Serhiy Storchaka. - -- Issue #16357: fix calling accept() on a SSLSocket created through - SSLContext.wrap_socket(). Original patch by Jeff McNeil. - -- Issue #16409: The reporthook callback made by the legacy - urllib.request.urlretrieve API now properly supplies a constant non-zero - block_size as it did in Python 3.2 and 2.7. This matches the behavior of - urllib.request.URLopener.retrieve. - -- Issue #16431: Use the type information when constructing a Decimal subtype - from a Decimal argument. - -- Issue #15641: Clean up deprecated classes from importlib. - Patch by Taras Lyapun. - -- Issue #16350: zlib.decompressobj().decompress() now accumulates data from - successive calls after EOF in unused_data, instead of only saving the argument - to the last call. decompressobj().flush() now correctly sets unused_data and - unconsumed_tail. A bug in the handling of MemoryError when setting the - unconsumed_tail attribute has also been fixed. Patch by Serhiy Storchaka. - -- Issue #12759: sre_parse now raises a proper error when the name of the group - is missing. Initial patch by Serhiy Storchaka. - -- Issue #16152: fix tokenize to ignore whitespace at the end of the code when - no newline is found. Patch by Ned Batchelder. - -- 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 - size while iterated on. Patch by Serhiy Storchaka. - -- Issue #16228: Fix a crash in the json module where a list changes size - while it is being encoded. Patch by Serhiy Storchaka. - -- Issue #16351: New function gc.get_stats() returns per-generation collection - statistics. - -- Issue #14897: Enhance error messages of struct.pack and - struct.pack_into. Patch by Matti Mäki. - -- Issue #16316: mimetypes now recognizes the .xz and .txz (.tar.xz) extensions. - Patch by Serhiy Storchaka. - -- Issue #12890: cgitb no longer prints spurious

tags in text - mode when the logdir option is specified. - -- Issue #16307: Fix multiprocessing.Pool.map_async not calling its callbacks. - Patch by Janne Karila. - -- Issue #16305: Fix a segmentation fault occurring when interrupting - math.factorial. - -- Issue #16116: Fix include and library paths to be correct when building C - extensions in venvs. - -- 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://`` - urls. - -- Issue #16250: Fix the invocations of URLError which had misplaced filename - attribute for exception. - -- Issue #10836: Fix exception raised when file not found in urlretrieve - Initial patch by Ezio Melotti. - -- Issue #14398: Fix size truncation and overflow bugs in the bz2 module. - -- Issue #12692: Fix resource leak in urllib.request when talking to an HTTP - server that does not include a ``Connection: close`` header in its responses. - -- Issue #12034: Fix bogus caching of result in check_GetFinalPathNameByHandle. - Patch by Atsuo Ishimoto. - -- Improve performance of `lzma.LZMAFile` (see also issue #16034). - -- Issue #16220: wsgiref now always calls close() on an iterable response. - Patch by Brent Tubbs. - -- Issue #16270: urllib may hang when used for retrieving files via FTP by using - a context manager. Patch by Giampaolo Rodola'. - -- Issue #16461: Wave library should be able to deal with 4GB wav files, - and sample rate of 44100 Hz. - -- 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. - -- 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 - keyword arguments specified a path that did not exist. - -- Issue #16169: Fix ctypes.WinError()'s confusion between errno and winerror. - -- Issue #16110: logging.fileConfig now accepts a pre-initialised ConfigParser - instance. - -- Issue #1492704: shutil.copyfile() raises a distinct SameFileError now if - source and destination are the same file. Patch by Atsuo Ishimoto. - -- Issue #13896: Make shelf instances work with 'with' as context managers. - Original patch by Filip Gruszczyński. - -- Issue #15417: Add support for csh and fish in venv activation scripts. - -- Issue #14377: ElementTree.write and some of the module-level functions have - a new parameter - *short_empty_elements*. It controls how elements with no - contents are emitted. - -- Issue #16089: Allow ElementTree.TreeBuilder to work again with a non-Element - element_factory (fixes a regression in SimpleTAL). - -- Issue #9650: List commonly used format codes in time.strftime and - time.strptime docsttings. Original patch by Mike Hoy. - -- Issue #15452: logging configuration socket listener now has a verify option - that allows an application to apply a verification function to the - received configuration data before it is acted upon. - -- Issue #16034: Fix performance regressions in the new `bz2.BZ2File` - implementation. Initial patch by Serhiy Storchaka. - -- `pty.spawn()` now returns the child process status returned by `os.waitpid()`. - -- Issue #15756: `subprocess.poll()` now properly handles `errno.ECHILD` to - return a returncode of 0 when the child has already exited or cannot be waited - on. - -- Issue #15323: Improve failure message of `Mock.assert_called_once_with()`. - -- Issue #16064: ``unittest -m`` claims executable is "python", not "python3". - -- Issue #12376: Pass on parameters in `TextTestResult.__init__()` super call. - -- Issue #15222: Insert blank line after each message in mbox mailboxes. - -- Issue #16013: Fix `csv.Reader` parsing issue with ending quote characters. - Patch by Serhiy Storchaka. - -- Issue #15421: Fix an OverflowError in `Calendar.itermonthdates()` after - `datetime.MAXYEAR`. Patch by Cédric Krier. - -- Issue #16112: platform.architecture does not correctly escape argument to - /usr/bin/file. Patch by David Benjamin. - -- Issue #15970: `xml.etree.ElementTree` now serializes correctly the empty HTML - elements 'meta' and 'param'. - -- Issue #15842: The `SocketIO.{readable,writable,seekable}` methods now raise - ValueError when the file-like object is closed. Patch by Alessandro Moura. - -- Issue #15876: Fix a refleak in the `curses` module: window.encoding. - -- Issue #15881: Fix `atexit` hook in `multiprocessing`. Original patch by Chris - McDonough. - -- Issue #15841: The readable(), writable() and seekable() methods of - `io.BytesIO` and `io.StringIO` objects now raise ValueError when the object - has been closed. Patch by Alessandro Moura. - -- Issue #15447: Use `subprocess.DEVNULL` in webbrowser, instead of opening - `os.devnull` explicitly and leaving it open. - -- Issue #15509: `webbrowser.UnixBrowser` no longer passes empty arguments to - Popen when ``%action`` substitutions produce empty strings. - -- Issue #12776, issue #11839: Call `argparse` type function (specified by - add_argument) only once. Before, the type function was called twice in the - case where the default was specified and the argument was given as well. This - was especially problematic for the FileType type, as a default file would - always be opened, even if a file argument was specified on the command line. - -- Issue #15906: Fix a regression in argparse caused by the preceding change, - when ``action='append'``, ``type='str'`` and ``default=[]``. - -- Issue #16113: Added sha3 module based on the Keccak reference implementation - 3.2. The `hashlib` module has four additional hash algorithms: `sha3_224`, - `sha3_256`, `sha3_384` and `sha3_512`. As part of the patch some common - code was moved from _hashopenssl.c to hashlib.h. - -- ctypes.call_commethod was removed, since its only usage was in the defunct - samples directory. - -- Issue #16692: Added TLSv1.1 and TLSv1.2 support for the ssl modules. - -- Issue #16832: add abc.get_cache_token() to expose cache validity checking - support in ABCMeta. - -IDLE ----- - -- Issue #18429: Format / Format Paragraph, now works when comment blocks - are selected. As with text blocks, this works best when the selection - only includes complete lines. - -- Issue #18226: Add docstrings and unittests for FormatParagraph.py. - Original patches by Todd Rovito and Phil Webster. - -- Issue #18279: Format - Strip trailing whitespace no longer marks a file as - changed when it has not been changed. This fix followed the addition of a - test file originally written by Phil Webster (the issue's main goal). - -- Issue #7136: In the Idle File menu, "New Window" is renamed "New File". - Patch by Tal Einat, Roget Serwy, and Todd Rovito. - -- Remove dead imports of imp. - -- Issue #18196: Avoid displaying spurious SystemExit tracebacks. - -- Issue #5492: Avoid traceback when exiting IDLE caused by a race condition. - -- Issue #17511: Keep IDLE find dialog open after clicking "Find Next". - Original patch by Sarah K. - -- Issue #18055: Move IDLE off of imp and on to importlib. - -- Issue #15392: Create a unittest framework for IDLE. - Initial patch by Rajagopalasarma Jayakrishnan. - See Lib/idlelib/idle_test/README.txt for how to run Idle tests. - -- Issue #14146: Highlight source line while debugging on Windows. - -- Issue #17838: Allow sys.stdin to be reassigned. - -- Issue #13495: Avoid loading the color delegator twice in IDLE. - -- Issue #17798: Allow IDLE to edit new files when specified on command line. - -- Issue #14735: Update IDLE docs to omit "Control-z on Windows". - -- Issue #17532: Always include Options menu for IDLE on OS X. - Patch by Guilherme Simões. - -- Issue #17585: Fixed IDLE regression. Now closes when using exit() or quit(). - -- Issue #17657: Show full Tk version in IDLE's about dialog. - Patch by Todd Rovito. - -- Issue #17613: Prevent traceback when removing syntax colorizer in IDLE. - -- Issue #1207589: Backwards-compatibility patch for right-click menu in IDLE. - -- Issue #16887: IDLE now accepts Cancel in tabify/untabify dialog box. - -- Issue #17625: In IDLE, close the replace dialog after it is used. - -- Issue #14254: IDLE now handles readline correctly across shell restarts. - -- Issue #17614: IDLE no longer raises exception when quickly closing a file. - -- Issue #6698: IDLE now opens just an editor window when configured to do so. - -- Issue #8900: Using keyboard shortcuts in IDLE to open a file no longer - raises an exception. - -- Issue #6649: Fixed missing exit status in IDLE. Patch by Guilherme Polo. - -- Issue #17114: IDLE now uses non-strict config parser. - -- Issue #9290: In IDLE the sys.std* streams now implement io.TextIOBase - interface and support all mandatory methods and properties. - -- Issue #5066: Update IDLE docs. Patch by Todd Rovito. - -- Issue #16829: IDLE printing no longer fails if there are spaces or other - special characters in the file path. - -- Issue #16491: IDLE now prints chained exception tracebacks. - -- Issue #16819: IDLE method completion now correctly works for bytes literals. - -- Issue #16504: IDLE now catches SyntaxErrors raised by tokenizer. Patch by - Roger Serwy. - -- Issue #16511: Use default IDLE width and height if config param is not valid. - Patch Serhiy Storchaka. - -- Issue #1207589: Add Cut/Copy/Paste items to IDLE right click Context Menu. - Patch by Todd Rovito. - -- Issue #16123: IDLE - deprecate running without a subprocess. - Patch by Roger Serwy. - -Tests ------ - -- Issue #1666318: Add a test that shutil.copytree() retains directory - permissions. Patch by Catherine Devlin. - -- Issue #18273: move the tests in Lib/test/json_tests to Lib/test/test_json - and make them discoverable by unittest. Patch by Zachary Ware. - -- Fix a fcntl test case on KFreeBSD, Debian #708653 (Petr Salinger). - -- Issue #18396: Fix spurious test failure in test_signal on Windows when - faulthandler is enabled (Patch by Jeremy Kloth) - -- Issue #17046: Fix broken test_executable_without_cwd in test_subprocess. - -- Issue #15415: Add new temp_dir() and change_cwd() context managers to - test.support, and refactor temp_cwd() to use them. Patch by Chris Jerdonek. - -- Issue #15494: test.support is now a package rather than a module (Initial - patch by Indra Talip) - -- Issue #17944: test_zipfile now discoverable and uses subclassing to - generate tests for different compression types. Fixed a bug with skipping - some tests due to use of exhausted iterators. - -- Issue #18266: test_largefile now works with unittest test discovery and - supports running only selected tests. Patch by Zachary Ware. - -- Issue #17767: test_locale now works with unittest test discovery. - Original patch by Zachary Ware. - -- Issue #18375: Assume --randomize when --randseed is used for running the - testsuite. - -- Issue #11185: Fix test_wait4 under AIX. Patch by Sébastien Sablé. - -- Issue #18207: Fix test_ssl for some versions of OpenSSL that ignore seconds - in ASN1_TIME fields. - -- Issue #18094: test_uuid no longer reports skipped tests as passed. - -- Issue #17992: Add timeouts to asyncore and asynchat tests so that they won't - accidentally hang. - -- Issue #17833: Fix test_gdb failures seen on machines where debug symbols - for glibc are available (seen on PPC64 Linux). - -- Issue #7855: Add tests for ctypes/winreg for issues found in IronPython. - Initial patch by Dino Viehland. - -- Issue #11078: test___all__ now checks for duplicates in __all__. - Initial patch by R. David Murray. - -- Issue #17712: Fix test_gdb failures on Ubuntu 13.04. - -- Issue #17835: Fix test_io when the default OS pipe buffer size is larger - than one million bytes. - -- Issue #17065: Use process-unique key for winreg tests to avoid failures if - test is run multiple times in parallel (eg: on a buildbot host). - -- Issue #12820: add tests for the xml.dom.minicompat module. - Patch by John Chandler and Phil Connell. - -- Issue #17691: test_univnewlines now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17790: test_set now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17789: test_random now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17779: test_osx_env now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17766: test_iterlen now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17690: test_time now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17692: test_sqlite now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #11995: test_pydoc doesn't import all sys.path modules anymore. - -- Issue #17448: test_sax now skips if there are no xml parsers available - instead of raising an ImportError. - -- Issue #11420: make test suite pass with -B/DONTWRITEBYTECODE set. - Initial patch by Thomas Wouters. - -- Issue #10652: make tcl/tk tests run after __all__ test, patch by - Zachary Ware. - -- Issue #11963: remove human verification from test_parser and test_subprocess. - -- Issue #11732: add a new suppress_crash_popup() context manager to test.support - that disables crash popups on Windows and use it in test_faulthandler and - test_capi. - -- Issue #13898: test_ssl no longer prints a spurious stack trace on Ubuntu. - -- Issue #17283: Share code between `__main__.py` and `regrtest.py` in - `Lib/test`. - -- Issue #17249: convert a test in test_capi to use unittest and reap threads. - -- Issue #17107: Test client-side SNI support in urllib.request thanks to - the new server-side SNI support in the ssl module. Initial patch by - Daniel Black. - -- Issue #17041: Fix testing when Python is configured with the - --without-doc-strings. - -- Issue #16923: Fix ResourceWarnings in test_ssl. - -- Issue #15539: Added regression tests for Tools/scripts/pindent.py. - -- Issue #17479: test_io now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17066: test_robotparser now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17334: test_index now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17333: test_imaplib now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17082: test_dbm* now work with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17079: test_ctypes now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17304: test_hash now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17303: test_future* now work with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17163: test_file now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16925: test_configparser now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16918: test_codecs now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16919: test_crypt now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16910: test_bytes, test_unicode, and test_userstring now work with - unittest test discovery. Patch by Zachary Ware. - -- Issue #16905: test_warnings now works with unittest test discovery. - Initial patch by Berker Peksag. - -- Issue #16898: test_bufio now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16888: test_array now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16896: test_asyncore now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16897: test_bisect now works with unittest test discovery. - Initial patch by Zachary Ware. - -- Issue #16852: test_genericpath, test_posixpath, test_ntpath, and test_macpath - now work with unittest test discovery. Patch by Zachary Ware. - -- Issue #16748: test_heapq now works with unittest test discovery. - -- Issue #10646: Tests rearranged for os.samefile/samestat to check for not - just symlinks but also hard links. - -- Issue #15302: Switch regrtest from using getopt to using argparse. - -- Issue #15324: Fix regrtest parsing of --fromfile, --match, and --randomize - options. - -- Issue #16702: test_urllib2_localnet tests now correctly ignores proxies for - localhost tests. - -- Issue #16664: Add regression tests for glob's behaviour concerning entries - starting with a ".". Patch by Sebastian Kreft. - -- Issue #13390: The ``-R`` option to regrtest now also checks for memory - allocation leaks, using :func:`sys.getallocatedblocks()`. - -- Issue #16559: Add more tests for the json module, including some from the - official test suite at json.org. Patch by Serhiy Storchaka. - -- Issue #16661: Fix the `os.getgrouplist()` test by not assuming that it gives - the same output as :command:`id -G`. - -- Issue #16115: Add some tests for the executable argument to - subprocess.Popen(). Initial patch by Kushal Das. - -- Issue #16126: PyErr_Format format mismatch in _testcapimodule.c. - Patch by Serhiy Storchaka. - -- Issue #15304: Fix warning message when `os.chdir()` fails inside - `test.support.temp_cwd()`. Patch by Chris Jerdonek. - -- Issue #15802: Fix test logic in `TestMaildir.test_create_tmp()`. Patch by - Serhiy Storchaka. - -- Issue #15557: Added a test suite for the webbrowser module, thanks to Anton - Barkovsky. - -- Issue #16698: Skip posix test_getgroups when built with OS X - deployment target prior to 10.6. - -Build ------ - -- Issue #16067: Add description into MSI file to replace installer's - temporary name. - -- Issue #18257: Fix readlink usage in python-config. Install the python - version again on Darwin. - -- Issue #18481: Add C coverage reporting with gcov and lcov. A new make target - "coverage-report" creates an instrumented Python build, runs unit tests - and creates a HTML. The report can be updated with "make coverage-lcov". - -- Issue #17845: Clarified the message printed when some module are not built. - -- Issue #18256: Compilation fix for recent AIX releases. Patch by - David Edelsohn. - -- Issue #17547: In configure, explicitly pass -Wformat for the benefit for GCC - 4.8. - -- Issue #15172: Document NASM 2.10+ as requirement for building OpenSSL 1.0.1 - on Windows. - -- Issue #17591: Use lowercase filenames when including Windows header files. - Patch by Roumen Petrov. - -- Issue #17550: Fix the --enable-profiling configure switch. - -- Issue #17425: Build with openssl 1.0.1d on Windows. - -- Issue #16754: Fix the incorrect shared library extension on linux. Introduce - two makefile macros SHLIB_SUFFIX and EXT_SUFFIX. SO now has the value of - SHLIB_SUFFIX again (as in 2.x and 3.1). The SO macro is removed in 3.4. - -- Issue #5033: Fix building of the sqlite3 extension module when the - SQLite library version has "beta" in it. Patch by Andreas Pelme. - -- Issue #17228: Fix building without pymalloc. - -- Issue #3718: Use AC_ARG_VAR to set MACHDEP in configure.ac. - -- Issue #16235: Implement python-config as a shell script. - -- Issue #16769: Remove outdated Visual Studio projects. - -- Issue #17031: Fix running regen in cross builds. - -- Issue #3754: fix typo in pthread AC_CACHE_VAL. - -- Issue #15484: Fix _PYTHON_PROJECT_BASE for srcdir != builddir builds; - use _PYTHON_PROJECT_BASE in distutils/sysconfig.py. - -- Drop support for Windows 2000 (changeset e52df05b496a). - -- Issue #17029: Let h2py search the multiarch system include directory. - -- Issue #16953: Fix socket module compilation on platforms with - HAVE_BROKEN_POLL. Patch by Jeffrey Armstrong. - -- Issue #16320: Remove redundant Makefile dependencies for strings and bytes. - -- Cross compiling needs host and build settings. configure no longer - creates a broken PYTHON_FOR_BUILD variable when --build is missing. - -- Fix cross compiling issue in setup.py, ensure that lib_dirs and inc_dirs are - defined in cross compiling mode, too. - -- Issue #16836: Enable IPv6 support even if IPv6 is disabled on the build host. - -- Issue #16593: Have BSD 'make -s' do the right thing, thanks to Daniel Shahaf - -- Issue #16262: fix out-of-src-tree builds, if mercurial is not installed. - -- Issue #15298: ensure _sysconfigdata is generated in build directory, not - source directory. - -- Issue #15833: Fix a regression in 3.3 that resulted in exceptions being - raised if importlib failed to write byte-compiled files. This affected - attempts to build Python out-of-tree from a read-only source directory. - -- Issue #15923: Fix a mistake in ``asdl_c.py`` that resulted in a TypeError - after 2801bf875a24 (see #15801). - -- Issue #16135: Remove OS/2 support. - -- Issue #15819: Make sure we can build Python out-of-tree from a read-only - source directory. (Somewhat related to issue #9860.) - -- Issue #15587: Enable Tk high-resolution text rendering on Macs with - Retina displays. Applies to Tkinter apps, such as IDLE, on OS X - framework builds linked with Cocoa Tk 8.5. - -- Issue #17161: make install now also installs a python3 man page. - -C-API ------ - -- Issue #18351: Fix various issues in a function in importlib provided to help - 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. - -- Issue #17206: Py_CLEAR(), Py_DECREF(), Py_XINCREF() and Py_XDECREF() now - expand their arguments once instead of multiple times. Patch written by Illia - Polosukhin. - -- Issue #17522: Add the PyGILState_Check() API. - -- Issue #17327: Add PyDict_SetDefault. - -- Issue #16881: Fix Py_ARRAY_LENGTH macro for GCC < 3.1. - -- Issue #16505: Remove unused Py_TPFLAGS_INT_SUBCLASS. - -- Issue #16086: PyTypeObject.tp_flags and PyType_Spec.flags are now unsigned - (unsigned long and unsigned int) to avoid an undefined behaviour with - Py_TPFLAGS_TYPE_SUBCLASS ((1 << 31). PyType_GetFlags() result type is - now unsigned too (unsigned long, instead of long). - -- Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified - endianness detection and handling. - -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 - object's custom `__hash__()` method. - -- Issue #17844: Add links to encoders and decoders for bytes-to-bytes codecs. - -- Issue #14097: improve the "introduction" page of the tutorial. - -- Issue #17977: The documentation for the cadefault argument's default value - in urllib.request.urlopen() is fixed to match the code. - -- Issue #6696: add documentation for the Profile objects, and improve - profile/cProfile docs. Patch by Tom Pinckney. - -- Issue #15940: Specify effect of locale on time functions. - -- Issue #17538: Document XML vulnerabilties - -- Issue #16642: sched.scheduler timefunc initial default is time.monotonic. - Patch by Ramchandra Apte - -- Issue #17047: remove doubled words in docs and docstrings - reported by Serhiy Storchaka and Matthew Barnett. - -- Issue #15465: Document the versioning macros in the C API docs rather than - the standard library docs. Patch by Kushal Das. - -- Issue #16406: Combine the pages for uploading and registering to PyPI. - -- Issue #16403: Document how distutils uses the maintainer field in - PKG-INFO. Patch by Jyrki Pulliainen. - -- Issue #16695: Document how glob handles filenames starting with a - dot. Initial patch by Jyrki Pulliainen. - -- Issue #8890: Stop advertising an insecure practice by replacing uses - of the /tmp directory with better alternatives in the documentation. - Patch by Geoff Wilson. - -- Issue #17203: add long option names to unittest discovery docs. - -- Issue #13094: add "Why do lambdas defined in a loop with different values - all return the same result?" programming FAQ. - -- Issue #14901: Update portions of the Windows FAQ. - Patch by Ashish Nitin Patil. - -- Issue #16267: Better document the 3.3+ approach to combining - @abstractmethod with @staticmethod, @classmethod and @property - -- Issue #15209: Clarify exception chaining description in exceptions module - documentation - -- Issue #15990: Improve argument/parameter documentation. - -- Issue #16209: Move the documentation for the str built-in function to a new - str class entry in the "Text Sequence Type" section. - -- Issue #13538: Improve str() and object.__str__() documentation. - -- Issue #16489: Make it clearer that importlib.find_loader() needs parent - packages to be explicitly imported. - -- Issue #16400: Update the description of which versions of a given package - PyPI displays. - -- Issue #15677: Document that zlib and gzip accept a compression level of 0 to - mean 'no compression'. Patch by Brian Brazil. - -- Issue #16197: Update winreg docstrings and documentation to match code. - Patch by Zachary Ware. - -- Issue #8040: added a version switcher to the documentation. Patch by - Yury Selivanov. - -- Issue #16241: Document -X faulthandler command line option. - Patch by Marek Šuppa. - -- Additional comments and some style changes in the concurrent.futures URL - retrieval example - -- Issue #16115: Improve subprocess.Popen() documentation around args, shell, - and executable arguments. - -- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument. Done with - great native-speaker help from R. David Murray. - -- Issue #15533: Clarify docs and add tests for `subprocess.Popen()`'s cwd - argument. - -- Issue #15979: Improve timeit documentation. - -- Issue #16036: Improve documentation of built-in `int()`'s signature and - arguments. - -- Issue #15935: Clarification of `argparse` docs, re: add_argument() type and - default arguments. Patch contributed by Chris Jerdonek. - -- Issue #11964: Document a change in v3.2 to the behavior of the indent - parameter of json encoding operations. - -- Issue #15116: Remove references to appscript as it is no longer being - supported. - -Tools/Demos ------------ - -- Issue #18817: Fix a resource warning in Lib/aifc.py demo. Patch by - Vajrasky Kok. - -- Issue #18439: Make patchcheck work on Windows for ACKS, NEWS. - -- Issue #18448: Fix a typo in Tools/demo/eiffel.py. - -- Issue #18457: Fixed saving of formulas and complex numbers in - Tools/demo/ss1.py. - -- Issue #18449: Make Tools/demo/ss1.py work again on Python 3. Patch by - Févry Thibault. - -- Issue #12990: The "Python Launcher" on OSX could not launch python scripts - that have paths that include wide characters. - -- Issue #15239: Make mkstringprep.py work again on Python 3. - -- Issue #17028: Allowed Python arguments to be supplied to the Windows - launcher. - -- Issue #17156: pygettext.py now detects the encoding of source files and - correctly writes and escapes non-ascii characters. - -- Issue #15539: Fix a number of bugs in Tools/scripts/pindent.py. Now - pindent.py works with a "with" statement. pindent.py no longer produces - improper indentation. pindent.py now works with continued lines broken after - "class" or "def" keywords and with continuations at the start of line. - -- Issue #11797: Add a 2to3 fixer that maps reload() to imp.reload(). - -- Issue #10966: Remove the concept of unexpected skipped tests. - -- Issue #9893: Removed the Misc/Vim directory. - -- Removed the Misc/TextMate directory. - -- Issue #16245: Add the Tools/scripts/parse_html5_entities.py script to parse - the list of HTML5 entities and update the html.entities.html5 dictionary. - -- Issue #15378: Fix Tools/unicode/comparecodecs.py. Patch by Serhiy Storchaka. - -- Issue #16549: Make json.tool work again on Python 3 and add tests. - Initial patch by Berker Peksag and Serhiy Storchaka. - -- Issue #13301: use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py. - Patch by Serhiy Storchaka. - -Windows -------- - -- Issue #18569: The installer now adds .py to the PATHEXT variable when extensions - are registered. Patch by Paul Moore. **(For information about older versions, consult the HISTORY file.)** -- cgit v1.2.1 From 152b4afe9f37eedffd4429db209f98df0d8a85e4 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Tue, 13 Sep 2016 09:26:29 +0300 Subject: Issue #28102: The zipfile module CLI now prints usage to stderr. Patch by Stephen J. Turnbull. --- Misc/NEWS | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index fe71b35112..aeccab4187 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -13,6 +13,12 @@ Core and Builtins Library ------- +Tools/Demos +----------- + +- Issue #28102: The zipfile module CLI now prints usage to stderr. + Patch by Stephen J. Turnbull. + What's New in Python 3.6.0 beta 1 ================================= -- cgit v1.2.1 From c6dc5cf9e77a5f2480598a3072ed88ba53065c93 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 13 Sep 2016 11:41:41 +0200 Subject: Remove pybench microbenchmark Issue #15369. Please use the new "performance" benchmark suite. --- Misc/NEWS | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index aeccab4187..fe49924ae1 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -16,6 +16,11 @@ Library Tools/Demos ----------- +- Issue #15369: The pybench microbenchmark has been removed from Tools. Please + use the new Python benchmark suite https://github.com/python/performance + which is more reliable and includes a portable version of pybench working on + Python 2 and Python 3. + - Issue #28102: The zipfile module CLI now prints usage to stderr. Patch by Stephen J. Turnbull. -- cgit v1.2.1 From c376b68d6132f4e7fa42df9e1a60499d1b1c5b5e Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 13 Sep 2016 11:49:06 +0200 Subject: Remove pystone microbenchmark Issue #15369. Please use the new "performance" benchmark suite. --- Misc/NEWS | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index fe49924ae1..607c15fa95 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -16,10 +16,10 @@ Library Tools/Demos ----------- -- Issue #15369: The pybench microbenchmark has been removed from Tools. Please - use the new Python benchmark suite https://github.com/python/performance - which is more reliable and includes a portable version of pybench working on - Python 2 and Python 3. +- Issue #15369: The pybench and pystone microbenchmark have been removed from + Tools. Please use the new Python benchmark suite + https://github.com/python/performance which is more reliable and includes a + portable version of pybench working on Python 2 and Python 3. - Issue #28102: The zipfile module CLI now prints usage to stderr. Patch by Stephen J. Turnbull. -- cgit v1.2.1 From 2b8a3625997ddf93226da371d21240b9d9d01357 Mon Sep 17 00:00:00 2001 From: Christian Heimes Date: Fri, 16 Sep 2016 13:50:17 +0200 Subject: Issue #28181: Add Kaartic Sivaraam to Misc/ACKS. --- Misc/ACKS | 1 + 1 file changed, 1 insertion(+) (limited to 'Misc') diff --git a/Misc/ACKS b/Misc/ACKS index 7ceee351cb..9467c8304c 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -1402,6 +1402,7 @@ Yann Sionneau George Sipe J. Sipprell Kragen Sitaker +Kaartic Sivaraam Ville Skyttä Michael Sloan Nick Sloan -- cgit v1.2.1 From 460c20b1bc7b31e38154e2d3960a11285bf350df Mon Sep 17 00:00:00 2001 From: Alexander Belopolsky Date: Fri, 16 Sep 2016 13:54:05 -0400 Subject: Added proper spelling for the name Elazar. --- Misc/ACKS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Misc') diff --git a/Misc/ACKS b/Misc/ACKS index 9467c8304c..8991e09c78 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -505,7 +505,7 @@ Jan-Philip Gehrcke Thomas Gellekum Gabriel Genellina Christos Georgiou -Elazar Gershuni +Elazar (אלעזר) Gershuni Ben Gertzfield Nadim Ghaznavi Dinu Gherman -- cgit v1.2.1 From 5d4c6d95015015bdc10eba4d6687018d2cc172d3 Mon Sep 17 00:00:00 2001 From: Zachary Ware Date: Sat, 17 Sep 2016 01:25:24 -0500 Subject: Closes #27979: Remove bundled copy of libffi An installed copy of libffi is now required for building _ctypes on any platform but OSX and Windows. --- Misc/NEWS | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 9a9bceede0..777dc4d051 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -64,6 +64,10 @@ Library Build ----- +- Issue #27979: A full copy of libffi is no longer bundled for use when + building _ctypes on non-OSX UNIX platforms. An installed copy of libffi is + now required when building _ctypes on such platforms. + - Issue #15819: Remove redundant include search directory option for building outside the source tree. -- cgit v1.2.1 From e7c175efdafc8a76621c7331d4cfae9654ebea5b Mon Sep 17 00:00:00 2001 From: Mark Dickinson Date: Sat, 17 Sep 2016 17:50:50 +0100 Subject: Issue #27222: various cleanups in long_rshift. Thanks Oren Milman. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 76de19f507..a4da86489c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #27222: Clean up redundant code in long_rshift function. Thanks + Oren Milman. + - Upgrade internal unicode databases to Unicode version 9.0.0. - Issue #28131: Fix a regression in zipimport's compile_source(). zipimport -- cgit v1.2.1 From a92d1fa671171aa0da569aa91c7c75612a3ecacc Mon Sep 17 00:00:00 2001 From: Mark Dickinson Date: Sat, 17 Sep 2016 19:44:13 +0100 Subject: Issue #27441: Remove some redundant assignments to ob_size in longobject.c. Thanks Oren Milman. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index a4da86489c..088dfa941d 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #27441: Remove some redundant assignments to ob_size in longobject.c. + Thanks Oren Milman. + - Issue #27222: Clean up redundant code in long_rshift function. Thanks Oren Milman. -- cgit v1.2.1 From b22524bd5ea1858303c492bb7a9667ba0443ae02 Mon Sep 17 00:00:00 2001 From: Alexander Belopolsky Date: Tue, 27 Sep 2016 20:33:58 -0400 Subject: Issue #28253: Added a NEWS entry. --- Misc/NEWS | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 2fa9da51c7..0eb2d3ad35 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -50,6 +50,13 @@ Core and Builtins Library ------- +- 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 adter free in LZMADecompressor.decompress(). Original patch by John Leitch. -- cgit v1.2.1 From b384a4aaa907218aebcb9d60e22afcc30301a3c6 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Wed, 28 Sep 2016 07:53:32 +0300 Subject: Issue #28289: ImportError.__init__ now resets not specified attributes. --- Misc/NEWS | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index c733eba473..8938b863ac 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,8 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28289: ImportError.__init__ now resets not specified attributes. + - Issue #21578: Fixed misleading error message when ImportError called with invalid keyword args. -- cgit v1.2.1 From 3069f9c5dde40f8508074cdac5d4033d25781edb Mon Sep 17 00:00:00 2001 From: Zachary Ware Date: Sat, 1 Oct 2016 00:47:27 -0500 Subject: Issue #21085: add configure check for siginfo_t.si_band Patch by Masayuki Yamamoto, reviewed and rebased by Erik Bray. This is a first step on the long road toward resupporting Cygwin, which does not provide siginfo_t.si_band. --- Misc/ACKS | 1 + Misc/NEWS | 3 +++ 2 files changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/ACKS b/Misc/ACKS index a5465a2af9..467f3aae0e 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -1671,6 +1671,7 @@ Florent Xicluna Arnon Yaari Alakshendra Yadav Hirokazu Yamamoto +Masayuki Yamamoto Ka-Ping Yee Chi Hsuan Yen Jason Yeo diff --git a/Misc/NEWS b/Misc/NEWS index 8a0dac9fb5..9d48ff8a0d 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -173,6 +173,9 @@ Windows Build ----- +- Issue #21085: Add configure check for siginfo_t.si_band, which Cygwin does + not provide. Patch by Masayuki Yamamoto with review and rebase by Erik Bray. + - Issue #28258: Fixed build with Estonian locale (python-config and distclean targets in Makefile). Patch by Arfrever Frehtes Taifersar Arahesis. -- cgit v1.2.1 From adf717bbaed3e9ddbaa0d2d75f2ef25366968a74 Mon Sep 17 00:00:00 2001 From: Zachary Ware Date: Sat, 1 Oct 2016 16:15:09 -0500 Subject: Issue #13756: Fix building extensions modules on Cygwin Patch by Roumen Petrov, based on original patch by Jason Tishler. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 9d48ff8a0d..340f91d4b1 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -173,6 +173,9 @@ Windows Build ----- +- Issue #13756: Fix building extensions modules on Cygwin. Patch by Roumen + Petrov, based on original patch by Jason Tishler. + - Issue #21085: Add configure check for siginfo_t.si_band, which Cygwin does not provide. Patch by Masayuki Yamamoto with review and rebase by Erik Bray. -- cgit v1.2.1 From 2f0634686e01a564724f687e47df1818d55c57a7 Mon Sep 17 00:00:00 2001 From: Ned Deily Date: Sat, 1 Oct 2016 22:05:07 -0400 Subject: Issue #28325: Remove vestigal MacOS 9 macurl2path module and its tests. --- Misc/NEWS | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 340f91d4b1..96a5c907fa 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -148,6 +148,8 @@ Library - Issue #27759: Fix selectors incorrectly retain invalid file descriptors. Patch by Mark Williams. +- Issue #28325: Remove vestigal MacOS 9 macurl2path module and its tests. + Windows ------- -- cgit v1.2.1 From 6a48338a9a7eed68ff723e22ec7adcea3c646a2e Mon Sep 17 00:00:00 2001 From: Zachary Ware Date: Sun, 2 Oct 2016 00:33:39 -0500 Subject: Issue #21124: Fix building _struct on Cygwin. Patch by Masayuki Yamamoto. --- Misc/NEWS | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 96a5c907fa..b7fc2ae0c4 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -175,6 +175,10 @@ Windows Build ----- +- Issue #21124: Fix building the _struct module on Cygwin by passing ``NULL`` + instead of ``&PyType_Type`` to PyVarObject_HEAD_INIT. Patch by Masayuki + Yamamoto. + - Issue #13756: Fix building extensions modules on Cygwin. Patch by Roumen Petrov, based on original patch by Jason Tishler. -- cgit v1.2.1 From 0493cbcf5ed9c14a25a392db3ae09d3c8fd9e47a Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Sun, 2 Oct 2016 12:34:40 +0300 Subject: Issue #28332: Deprecated silent truncations in socket.htons and socket.ntohs. Original patch by Oren Milman. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 4689360a3c..7d13a33a9c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -54,6 +54,9 @@ Core and Builtins Library ------- +- Issue #28332: Deprecated silent truncations in socket.htons and socket.ntohs. + Original patch by Oren Milman. + - Issue #27358: Optimized merging var-keyword arguments and improved error message when pass a non-mapping as a var-keyword argument. -- cgit v1.2.1 From 46e1f807d038f50e0d3d3247cb148de9f4a531bf Mon Sep 17 00:00:00 2001 From: Steve Dower Date: Mon, 3 Oct 2016 11:16:17 -0700 Subject: Add myself to the ACKS file. --- Misc/ACKS | 1 + 1 file changed, 1 insertion(+) (limited to 'Misc') diff --git a/Misc/ACKS b/Misc/ACKS index 467f3aae0e..8026de74a7 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -371,6 +371,7 @@ Marcos Donolo Dima Dorfman Yves Dorfsman Michael Dorman +Steve Dower Cesar Douady Dean Draayer Fred L. Drake, Jr. -- cgit v1.2.1 From 5e1110ba118a7dc4c602f2331f6ab51e6c6a2380 Mon Sep 17 00:00:00 2001 From: Ned Deily Date: Thu, 6 Oct 2016 10:51:29 -0400 Subject: Fix vestigial spelling. --- Misc/NEWS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index c2da70f204..7dcbf27510 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -175,7 +175,7 @@ Library - Issue #27759: Fix selectors incorrectly retain invalid file descriptors. Patch by Mark Williams. -- Issue #28325: Remove vestigal MacOS 9 macurl2path module and its tests. +- Issue #28325: Remove vestigial MacOS 9 macurl2path module and its tests. - Issue #28368: Refuse monitoring processes if the child watcher has no loop attached. -- cgit v1.2.1 From 5ff197a8b9035f11b7c0529aa856c51eb29e96a2 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Sat, 8 Oct 2016 22:01:18 +0300 Subject: Issue #28376: Creating instances of range_iterator by calling range_iterator type now is disallowed. Calling iter() on range instance is the only way. Patch by Oren Milman. --- Misc/NEWS | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 796e809270..2afaf83aed 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -11,9 +11,7 @@ Core and Builtins ----------------- - Issue #28376: Creating instances of range_iterator by calling range_iterator - type now is deprecated. Patch by Oren Milman. - -- Issue #28376: The constructor of range_iterator now checks that step is not 0. + type now is disallowed. Calling iter() on range instance is the only way. Patch by Oren Milman. - Issue #26906: Resolving special methods of uninitialized type now causes -- cgit v1.2.1 From 573ccac9c6d1d19da28076ac473ed1343fa8ab13 Mon Sep 17 00:00:00 2001 From: "Jason R. Coombs" Date: Fri, 14 Oct 2016 15:39:01 -0400 Subject: Add case-sensitive file comparison for detecting/adding standard default files. --- Misc/NEWS | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 22b14fb317..dfbf1677d6 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -85,6 +85,11 @@ Core and Builtins Library ------- +- Distutils.sdist now looks for README and setup.py files with case + sensitivity. This behavior matches that found in Setuptools 6.0 and + later. See `setuptools 100 + `_ for rationale. + - Issue #24452: Make webbrowser support Chrome on Mac OS X. - Issue #20766: Fix references leaked by pdb in the handling of SIGINT -- cgit v1.2.1 From 3b78ef2a402af30a4887fb3d8d282e985ef6ae58 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 18 Oct 2016 17:06:56 +0200 Subject: timeit: start autorange with 1 iteration, not 10 Issue #28240: timeit autorange now uses a single loop iteration if the benchmark takes less than 10 seconds, instead of 10 iterations. "python3 -m timeit -s 'import time' 'time.sleep(1)'" now takes 4 seconds instead of 40 seconds. --- Misc/NEWS | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index f5a36f0f41..7970c3fa34 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -88,6 +88,11 @@ Core and Builtins Library ------- +- Issue #28240: timeit autorange now uses a single loop iteration if the + benchmark takes less than 10 seconds, instead of 10 iterations. + "python3 -m timeit -s 'import time' 'time.sleep(1)'" now takes 4 seconds + instead of 40 seconds. + - Distutils.sdist now looks for README and setup.py files with case sensitivity. This behavior matches that found in Setuptools 6.0 and later. See `setuptools 100 -- cgit v1.2.1 From b9f2189bd33cf6daeafb8f6ec30f64db1f1f58f0 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 18 Oct 2016 17:13:22 +0200 Subject: timeit: change default repeat to 5, instead of 3 Issue #28240: timeit now repeats the benchmarks 5 times instead of only 3 to make benchmarks more reliable. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 7970c3fa34..37c2c2b49a 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -88,6 +88,9 @@ Core and Builtins Library ------- +- Issue #28240: timeit now repeats the benchmarks 5 times instead of only 3 + to make benchmarks more reliable. + - Issue #28240: timeit autorange now uses a single loop iteration if the benchmark takes less than 10 seconds, instead of 10 iterations. "python3 -m timeit -s 'import time' 'time.sleep(1)'" now takes 4 seconds -- cgit v1.2.1 From 707a52a156851c7d8f6ebaedb6c98ef52a756186 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 18 Oct 2016 17:18:21 +0200 Subject: timeit: remove --clock and --time options Issue #28240: timeit: remove -c/--clock and -t/--time command line options which were deprecated since Python 3.3. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 37c2c2b49a..a46c317d22 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -88,6 +88,9 @@ Core and Builtins Library ------- +- Issue #28240: timeit: remove ``-c/--clock`` and ``-t/--time`` command line + options which were deprecated since Python 3.3. + - Issue #28240: timeit now repeats the benchmarks 5 times instead of only 3 to make benchmarks more reliable. -- cgit v1.2.1 From 2ac139e7e16d90376e21a30654715f1db6a1649a Mon Sep 17 00:00:00 2001 From: Martin Panter Date: Thu, 20 Oct 2016 23:48:14 +0000 Subject: Issue #23214: Implement optional BufferedReader, BytesIO read1() argument --- Misc/NEWS | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 12ef2ceb61..756b771f14 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -88,6 +88,10 @@ Core and Builtins Library ------- +- Issue #23214: In the "io" module, the argument to BufferedReader and + BytesIO's read1() methods is now optional and can be -1, matching the + BufferedIOBase specification. + - Issue #28480: Fix error building socket module when multithreading is disabled. -- cgit v1.2.1 From 1cfcc8a48cd043984c7dc3a53052b9528be54958 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Sun, 23 Oct 2016 13:32:12 +0300 Subject: Issue #28115: Command-line interface of the zipfile module now uses argparse. Added support of long options. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index fb14c00400..19689bf3af 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -97,6 +97,9 @@ Core and Builtins Library ------- +- Issue #28115: Command-line interface of the zipfile module now uses argparse. + Added support of long options. + - Issue #18219: Optimize csv.DictWriter for large number of columns. Patch by Mariatta Wijaya. -- cgit v1.2.1 From f1796723da117f8ffff0882333777e26fc0acb53 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Sun, 23 Oct 2016 15:17:05 +0300 Subject: Issue #28469: timeit now uses the sequence 1, 2, 5, 10, 20, 50,... instead of 1, 10, 100,... for autoranging. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 19689bf3af..9f37acd8c9 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -97,6 +97,9 @@ Core and Builtins Library ------- +- Issue #28469: timeit now uses the sequence 1, 2, 5, 10, 20, 50,... instead + of 1, 10, 100,... for autoranging. + - Issue #28115: Command-line interface of the zipfile module now uses argparse. Added support of long options. -- cgit v1.2.1 From 7bd67c745dc0b407bdbcb71eff54c4b222df406d Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Tue, 25 Oct 2016 15:20:58 +0300 Subject: Issue #28255: calendar.TextCalendar.prweek() no longer prints a space after a weeks's calendar. calendar.TextCalendar.pryear() no longer prints redundant newline after a year's calendar. Based on patch by Xiang Zhang. --- Misc/NEWS | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index c335fe0e27..f6cf545f67 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -97,7 +97,11 @@ Core and Builtins Library ------- -- Issue #28255: calendar.TextCalendar().prmonth() no longer prints a space +- Issue #28255: calendar.TextCalendar.prweek() no longer prints a space after + a weeks's calendar. calendar.TextCalendar.pryear() no longer prints redundant + newline after a year's calendar. Based on patch by Xiang Zhang. + +- 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. -- cgit v1.2.1 From 770891917b1ffe9eb66e72c61355c3a95d4a6db5 Mon Sep 17 00:00:00 2001 From: "Eric V. Smith" Date: Mon, 31 Oct 2016 09:22:08 -0400 Subject: Issue 28128: Print out better error/warning messages for invalid string escapes. --- Misc/NEWS | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index fde9ab1960..a03ab3a9d1 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,10 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28128: Deprecation warning for invalid str and byte escape + sequences now prints better information about where the error + occurs. Patch by Serhiy Storchaka and Eric Smith. + - Issue #28509: dict.update() no longer allocate unnecessary large memory. - Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug -- cgit v1.2.1 From af0cb9c1e35bb720a3ad0b01e8d9607bb92d0455 Mon Sep 17 00:00:00 2001 From: INADA Naoki Date: Fri, 4 Nov 2016 16:59:10 +0900 Subject: Issue #28580: Optimize iterating split table values. Patch by Xiang Zhang. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index ccd8fa2071..b9269ad182 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28580: Optimize iterating split table values. + Patch by Xiang Zhang. + - Issue #28583: PyDict_SetDefault didn't combine split table when needed. Patch by Xiang Zhang. -- cgit v1.2.1 From a501fdb581467719292dbdeec07242d10de3555d Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Tue, 8 Nov 2016 20:34:22 +0200 Subject: Issue #28621: Sped up converting int to float by reusing faster bits counting implementation. Patch by Adrian Wielgosik. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 94500c240e..91b97eb6e7 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28621: Sped up converting int to float by reusing faster bits counting + implementation. Patch by Adrian Wielgosik. + - Issue #28580: Optimize iterating split table values. Patch by Xiang Zhang. -- cgit v1.2.1 From 949e7de418622654bc3613f9d25b6d0d93df2087 Mon Sep 17 00:00:00 2001 From: Brett Cannon Date: Fri, 18 Nov 2016 10:28:10 -0800 Subject: Issue #24452: add attribution --- Misc/NEWS | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index a88746242e..4e78b08602 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -219,7 +219,8 @@ Library later. See `setuptools 100 `_ for rationale. -- Issue #24452: Make webbrowser support Chrome on Mac OS X. +- Issue #24452: Make webbrowser support Chrome on Mac OS X. Patch by + Ned Batchelder. - Issue #20766: Fix references leaked by pdb in the handling of SIGINT handlers. -- cgit v1.2.1 From 9f4244b2bd7b27db38ddd2f6d9d1cf59eeb6da01 Mon Sep 17 00:00:00 2001 From: Martin Panter Date: Sat, 19 Nov 2016 01:06:37 +0000 Subject: Issue #28548: Parse HTTP request version even if too many words received --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 4e78b08602..9531f2e825 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -128,6 +128,9 @@ Core and Builtins Library ------- +- Issue #28548: In the "http.server" module, parse the protocol version if + possible, to avoid using HTTP 0.9 in some error responses. + - Issue #19717: Makes Path.resolve() succeed on paths that do not exist. Patch by Vajrasky Kok -- cgit v1.2.1 From ba86008aac6890c5c4a2c6d30ea8110f228d483e Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Sun, 20 Nov 2016 12:16:46 +0200 Subject: Issue #19569: Compiler warnings are now emitted if use most of deprecated functions. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 3eea39feee..c7504fabb6 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -410,6 +410,9 @@ Windows C API ----- +- Issue #19569: Compiler warnings are now emitted if use most of deprecated + functions. + - Issue #28426: Deprecated undocumented functions PyUnicode_AsEncodedObject(), PyUnicode_AsDecodedObject(), PyUnicode_AsDecodedUnicode() and PyUnicode_AsEncodedUnicode(). -- cgit v1.2.1 From 872753000c7f8c55b0da6316c9c957d909cc95e3 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Mon, 21 Nov 2016 10:25:54 +0200 Subject: Issue #28748: Private variable _Py_PackageContext is now of type "const char *" rather of "char *". --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index b9448dd377..5bf35ef8f6 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -416,6 +416,9 @@ Windows C API ----- +- Issue #28748: Private variable _Py_PackageContext is now of type "const char *" + rather of "char *". + - Issue #19569: Compiler warnings are now emitted if use most of deprecated functions. -- cgit v1.2.1 From a7eaa88fb34028a2928eca85701651703e3047f7 Mon Sep 17 00:00:00 2001 From: INADA Naoki Date: Tue, 22 Nov 2016 00:57:02 +0900 Subject: Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict Improve speed of dict literal with constant keys up to 30%. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index ddaae95bec..6916011c44 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict. + Improve speed of dict literal with constant keys up to 30%. + - Issue #28532: Show sys.version when -V option is supplied twice. - Issue #28746: Fix the set_inheritable() file descriptor method on platforms -- cgit v1.2.1 From abeacf914be1d289e08cc06be4516e2a7d756032 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Tue, 22 Nov 2016 07:58:08 +0200 Subject: Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef, PyStructSequence_Field, PyStructSequence_Desc, and wrapperbase are now of type "const char *" rather of "char *". --- Misc/NEWS | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 4eb0408a89..72114e842c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -432,6 +432,10 @@ Windows C API ----- +- Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef, + PyStructSequence_Field, PyStructSequence_Desc, and wrapperbase are now of + type "const char *" rather of "char *". + - Issue #28748: Private variable _Py_PackageContext is now of type "const char *" rather of "char *". -- cgit v1.2.1 From ac89262abd868aed4b06bb0ebf898e97fbab6293 Mon Sep 17 00:00:00 2001 From: Xiang Zhang Date: Wed, 23 Nov 2016 19:34:01 +0800 Subject: Issue #28774: Fix start/end pos in unicode_encode_ucs1(). Fix error position of the unicode error in ASCII and Latin1 encoders when a string returned by the error handler contains multiple non-encodable characters (non-ASCII for the ASCII codec, characters out of the U+0000-U+00FF range for Latin1). --- Misc/NEWS | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 92fca57a80..af42d90134 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,11 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28774: Fix error position of the unicode error in ASCII and Latin1 + encoders when a string returned by the error handler contains multiple + non-encodable characters (non-ASCII for the ASCII codec, characters out + of the U+0000-U+00FF range for Latin1). + - Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict. Improve speed of dict literal with constant keys up to 30%. -- cgit v1.2.1 From 1dca02288088ef435bdc49cc84eb004cf54271fa Mon Sep 17 00:00:00 2001 From: Berker Peksag Date: Fri, 25 Nov 2016 17:38:13 +0300 Subject: Issue #28796: Silence Sphinx warnings WARNING: Inline emphasis start-string without end-string. Patch by Julien Palard. --- Misc/NEWS | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index d465cdcae1..385af89d73 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -443,10 +443,10 @@ C API - Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef, PyStructSequence_Field, PyStructSequence_Desc, and wrapperbase are now of - type "const char *" rather of "char *". + type ``const char *`` rather of ``char *``. -- Issue #28748: Private variable _Py_PackageContext is now of type "const char *" - rather of "char *". +- Issue #28748: Private variable _Py_PackageContext is now of type ``const char *`` + rather of ``char *``. - Issue #19569: Compiler warnings are now emitted if use most of deprecated functions. -- cgit v1.2.1 From ed1d1ae207b06ff23524a9ab6081997b8fecd70b Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Mon, 28 Nov 2016 10:52:05 +0200 Subject: Issue #12844: More than 255 arguments can now be passed to a function. --- Misc/NEWS | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index c18d787e67..56f2aed793 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,8 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #12844: More than 255 arguments can now be passed to a function. + - Issue #28782: Fix a bug in the implementation ``yield from`` when checking if the next instruction is YIELD_FROM. Regression introduced by WORDCODE (issue #26647). -- cgit v1.2.1 From 1078ad8ce638fcbe0084c63774f78679cc15b30a Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Mon, 28 Nov 2016 11:59:04 +0100 Subject: Remove CALL_PROFILE special build Issue #28799: * Remove the PyEval_GetCallStats() function. * Deprecate the untested and undocumented sys.callstats() function. * Remove the CALL_PROFILE special build Use the sys.setprofile() function, cProfile or profile module to profile function calls. --- Misc/NEWS | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 56f2aed793..37072fefc4 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,11 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28799: Remove the ``PyEval_GetCallStats()`` function and deprecate + the untested and undocumented ``sys.callstats()`` function. Remove the + ``CALL_PROFILE`` special build: use the :func:`sys.setprofile` function, + :mod:`cProfile` or :mod:`profile` to profile function calls. + - Issue #12844: More than 255 arguments can now be passed to a function. - Issue #28782: Fix a bug in the implementation ``yield from`` when checking -- cgit v1.2.1 From 69bb4596554aaaad97c0bfaa876b4ff9a98bc821 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Mon, 28 Nov 2016 12:06:13 +0100 Subject: Issue #28799: Update Misc/SpecialBuilds.txt Remove CALL_PROFILE. --- Misc/SpecialBuilds.txt | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'Misc') diff --git a/Misc/SpecialBuilds.txt b/Misc/SpecialBuilds.txt index 82fa23e1a7..6799ea3ff1 100644 --- a/Misc/SpecialBuilds.txt +++ b/Misc/SpecialBuilds.txt @@ -223,14 +223,3 @@ the interpreter is doing are sprayed to stdout, such as every opcode and opcode argument and values pushed onto and popped off the value stack. Not useful very often, but very useful when needed. - - -CALL_PROFILE ------------- - -Count the number of function calls executed. - -When this symbol is defined, the ceval mainloop and helper functions count the -number of function calls made. It keeps detailed statistics about what kind of -object was called and whether the call hit any of the special fast paths in the -code. -- cgit v1.2.1 From 6f0f407e8a2bdf2d5f18f9b5cbcfeda490108f66 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 29 Nov 2016 16:55:04 +0100 Subject: Add TCP_CONGESTION and TCP_USER_TIMEOUT Issue #26273: Add new socket.TCP_CONGESTION (Linux 2.6.13) and socket.TCP_USER_TIMEOUT (Linux 2.6.37) constants. Patch written by Omar Sandoval. --- Misc/NEWS | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index c787c237f2..055bcade9c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -160,6 +160,10 @@ Core and Builtins Library ------- +- Issue #26273: Add new :data:`socket.TCP_CONGESTION` (Linux 2.6.13) and + :data:`socket.TCP_USER_TIMEOUT` (Linux 2.6.37) constants. Patch written by + Omar Sandoval. + - Issue #28752: Restored the __reduce__() methods of datetime objects. - Issue #28727: Regular expression patterns, _sre.SRE_Pattern objects created -- cgit v1.2.1 From e33e89d2c75b85e9a0fc35e8261567e8acd59c81 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Fri, 2 Dec 2016 01:13:46 +0100 Subject: Add sys.getandroidapilevel() Issue #28740: Add sys.getandroidapilevel(): return the build time API version of Android as an integer. Function only available on Android. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 055bcade9c..2d5b6bd912 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -160,6 +160,9 @@ Core and Builtins Library ------- +- Issue #28740: Add sys.getandroidapilevel(): return the build time API version + of Android as an integer. Function only available on Android. + - Issue #26273: Add new :data:`socket.TCP_CONGESTION` (Linux 2.6.13) and :data:`socket.TCP_USER_TIMEOUT` (Linux 2.6.37) constants. Patch written by Omar Sandoval. -- cgit v1.2.1 From f92a243b1067eaa53269ae7c8e74dd2625ebf575 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Tue, 6 Dec 2016 00:24:19 +0200 Subject: Fixed merge error in Misc/NEWS for issue #23722. --- Misc/NEWS | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index d1f9952f6f..e142a438a6 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -35,14 +35,6 @@ Core and Builtins non-encodable characters (non-ASCII for the ASCII codec, characters out of the U+0000-U+00FF range for Latin1). -Documentation -------------- - -- Issue #23722: The data model reference and the porting section in the - 3.6 What's New guide now cover the additional ``__classcell__`` handling - needed for custom metaclasses to fully support PEP 487 and zero-argument - ``super()``. - - Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict. Improve speed of dict literal with constant keys up to 30%. @@ -499,6 +491,11 @@ C API Documentation ------------- +- Issue #23722: The data model reference and the porting section in the + 3.6 What's New guide now cover the additional ``__classcell__`` handling + needed for custom metaclasses to fully support PEP 487 and zero-argument + ``super()``. + - Issue #28513: Documented command-line interface of zipfile. Build -- cgit v1.2.1 From 9fd6824b7c9fdde8c178411b70d2f19b1371e523 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Wed, 7 Dec 2016 11:11:12 +0200 Subject: Issue #28847: A deprecation warning is now emitted if the index file is missed and recreated in the 'r' and 'w' modes (will be an error in future Python releases). --- Misc/NEWS | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index d45f035415..d076091481 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -166,7 +166,9 @@ Library ------- - Issue #28847: dbm.dumb now supports reading read-only files and no longer - writes the index file when it is not changed. + writes the index file when it is not changed. A deprecation warning is now + emitted if the index file is missed and recreated in the 'r' and 'w' modes + (will be an error in future Python releases). - Issue #27030: Unknown escapes consisting of ``'\'`` and an ASCII letter in re.sub() replacement templates regular expressions now are errors. -- cgit v1.2.1 From 92fc89e9265d72d61470e1bfa0ff12fb7baf274a Mon Sep 17 00:00:00 2001 From: Xavier de Gaye Date: Tue, 13 Dec 2016 09:22:01 +0100 Subject: Issue #26936: Fix the test_socket failures on Android - getservbyname(), getservbyport() and getaddrinfo() are broken on some Android API levels. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index baa2d5e89f..fe9dc95890 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -588,6 +588,9 @@ Tools/Demos Tests ----- + - Issue #26936: Fix the test_socket failures on Android - getservbyname(), + getservbyport() and getaddrinfo() are broken on some Android API levels. + - Issue #28666: Now test.support.rmtree is able to remove unwritable or unreadable directories. -- cgit v1.2.1 From 658a638b6fe89aef5c8825410cbf3a7b0d08db80 Mon Sep 17 00:00:00 2001 From: Xavier de Gaye Date: Tue, 13 Dec 2016 16:32:21 +0100 Subject: Issue #16255: subrocess.Popen uses /system/bin/sh on Android as the shell, instead of /bin/sh. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index fe9dc95890..a06e3cb788 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -177,6 +177,9 @@ Core and Builtins Library ------- +- Issue #16255: subrocess.Popen uses /system/bin/sh on Android as the shell, + instead of /bin/sh. + - Issue #28779: multiprocessing.set_forkserver_preload() would crash the forkserver process if a preloaded module instantiated some multiprocessing objects such as locks. -- cgit v1.2.1 From 4f5d39b98cc760dcb7641bb71bdaeb2933b1ee40 Mon Sep 17 00:00:00 2001 From: Yury Selivanov Date: Tue, 13 Dec 2016 19:03:51 -0500 Subject: Issue #26110: Add LOAD_METHOD/CALL_METHOD opcodes. Special thanks to INADA Naoki for pushing the patch through the last mile, Serhiy Storchaka for reviewing the code, and to Victor Stinner for suggesting the idea (originally implemented in the PyPy project). --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index a06e3cb788..095ae0e82c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -174,6 +174,9 @@ Core and Builtins - Issue #28721: Fix asynchronous generators aclose() and athrow() to handle StopAsyncIteration propagation properly. +- Issue #26110: Speed-up method calls: add LOAD_METHOD and CALL_METHOD + opcodes. + Library ------- -- cgit v1.2.1 From b738df1cd4bcfdf6e01ea459ca559cd64f0bf6f3 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Fri, 16 Dec 2016 19:19:02 +0200 Subject: Issue #18896: Python function can now have more than 255 parameters. collections.namedtuple() now supports tuples with more than 255 elements. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index cbdef27ba5..9d1ccfd07c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #18896: Python function can now have more than 255 parameters. + collections.namedtuple() now supports tuples with more than 255 elements. + - Issue #26919: On Android, operating system data is now always encoded/decoded to/from UTF-8, instead of the locale encoding to avoid inconsistencies with os.fsencode() and os.fsdecode() which are already using UTF-8. -- cgit v1.2.1 From df9ba347b89b311133ca8740e4ca8f8bb60bc516 Mon Sep 17 00:00:00 2001 From: Xavier de Gaye Date: Sat, 17 Dec 2016 09:19:11 +0100 Subject: Issue #28596: The preferred encoding is UTF-8 on Android. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 3ef25b6df9..b2cbad1289 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -13,6 +13,9 @@ Core and Builtins - Issue #18896: Python function can now have more than 255 parameters. collections.namedtuple() now supports tuples with more than 255 elements. +- Issue #28596: The preferred encoding is UTF-8 on Android. Patch written by + Chi Hsuan Yen. + - Issue #26919: On Android, operating system data is now always encoded/decoded to/from UTF-8, instead of the locale encoding to avoid inconsistencies with os.fsencode() and os.fsdecode() which are already using UTF-8. -- cgit v1.2.1 From ebf8e5690ba21a4e1491e88f3250583f12a52919 Mon Sep 17 00:00:00 2001 From: Martin Panter Date: Sun, 18 Dec 2016 01:37:12 +0000 Subject: One more typo fix for 3.7 --- Misc/NEWS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 4e623a15d8..5e8bc0c54c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -197,7 +197,7 @@ Core and Builtins Library ------- -- Issue #16255: subrocess.Popen uses /system/bin/sh on Android as the shell, +- Issue #16255: subprocess.Popen uses /system/bin/sh on Android as the shell, instead of /bin/sh. - Issue #28779: multiprocessing.set_forkserver_preload() would crash the -- cgit v1.2.1 From d33309cd9787b4ab16f5bbc6abb6ad3f7c6f42f7 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Mon, 19 Dec 2016 18:51:37 +0200 Subject: Issue #28927: bytes.fromhex() and bytearray.fromhex() now ignore all ASCII whitespace, not only spaces. Patch by Robert Xiao. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 1aa0a7525f..15bc0ed6a7 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1 Core and Builtins ----------------- +- Issue #28927: bytes.fromhex() and bytearray.fromhex() now ignore all ASCII + whitespace, not only spaces. Patch by Robert Xiao. + - Issue #25677: Correct the positioning of the syntax error caret for indented blocks. Based on patch by Michael Layzell. -- cgit v1.2.1 From bed50e1fd3e82021bd51be24920880518268372e Mon Sep 17 00:00:00 2001 From: Xiang Zhang Date: Tue, 20 Dec 2016 22:52:33 +0800 Subject: Issue #28822: Adjust indices handling of PyUnicode_FindChar(). --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 24285d56a9..cfc9bd5bb3 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -545,6 +545,9 @@ Windows C API ----- +- Issue #28822: The indices parameters *start* and *end* of PyUnicode_FindChar() + are now adjusted to behave like ``str[start:end]``. + - Issue #28808: PyUnicode_CompareWithASCIIString() now never raises exceptions. - Issue #28761: The fields name and doc of structures PyMemberDef, PyGetSetDef, -- cgit v1.2.1 From febbf471bd550945621b470089b6c3dc872ae894 Mon Sep 17 00:00:00 2001 From: INADA Naoki Date: Sat, 24 Dec 2016 20:19:08 +0900 Subject: Issue #29049: Call _PyObject_GC_TRACK() lazily when calling Python function. Calling function is up to 5% faster. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 31ff5e3db2..76a8411989 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.7.0 alpha 1? Core and Builtins ----------------- +- Issue #29049: Call _PyObject_GC_TRACK() lazily when calling Python function. + Calling function is up to 5% faster. + - Issue #28927: bytes.fromhex() and bytearray.fromhex() now ignore all ASCII whitespace, not only spaces. Patch by Robert Xiao. -- cgit v1.2.1 From 063159b7f20bc4a44fe64978638d4d03fc4f980b Mon Sep 17 00:00:00 2001 From: Berker Peksag Date: Mon, 2 Jan 2017 06:38:10 +0300 Subject: Issue #28985: Update authorizer constants in sqlite3 module Dates and version information from the changelog: * 2006-08-12 (3.3.7) added SQLITE_CREATE_VTABLE, SQLITE_DROP_VTABLE * 2006-10-09 (3.3.8) added SQLITE_FUNCTION * 2009-01-12 (3.6.8) added SQLITE_SAVEPOINT * 2014-02-03 (3.8.3) added SQLITE_RECURSIVE Patch by Dingyuan Wang. --- Misc/NEWS | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 516c322958..6152a3fc65 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -208,6 +208,9 @@ Core and Builtins Library ------- +- Issue #28985: Update authorizer constants in sqlite3 module. + Patch by Dingyuan Wang. + - 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. -- cgit v1.2.1 From 4ede009f1ad9c7130dfb88b871f246b73a07b2c2 Mon Sep 17 00:00:00 2001 From: Steve Dower Date: Sun, 1 Jan 2017 20:25:03 -0800 Subject: Issue #24932: Use proper command line parsing in _testembed --- Misc/NEWS | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Misc') diff --git a/Misc/NEWS b/Misc/NEWS index 3d4a1861bd..a381b31302 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -680,6 +680,8 @@ Tools/Demos Tests ----- +- Issue #24932: Use proper command line parsing in _testembed + - Issue #28950: Disallow -j0 to be combined with -T/-l in regrtest command line arguments. -- cgit v1.2.1