.. bpo: 27066 .. date: 9673 .. nonce: SNExZi .. release date: 2016-06-12 .. section: Core and Builtins Fixed SystemError if a custom opener (for open()) returns a negative number without setting an exception. .. .. bpo: 20041 .. date: 9672 .. nonce: TypyGp .. section: Core and Builtins Fixed TypeError when frame.f_trace is set to None. Patch by Xavier de Gaye. .. .. bpo: 26168 .. date: 9671 .. nonce: -nPBL6 .. section: Core and Builtins Fixed possible refleaks in failing Py_BuildValue() with the "N" format unit. .. .. bpo: 26991 .. date: 9670 .. nonce: yWGNhz .. section: Core and Builtins Fix possible refleak when creating a function with annotations. .. .. bpo: 27039 .. date: 9669 .. nonce: Zj7tV7 .. section: Core and Builtins Fixed bytearray.remove() for values greater than 127. Patch by Joe Jevnik. .. .. bpo: 23640 .. date: 9668 .. nonce: kvNC4c .. section: Core and Builtins int.from_bytes() no longer bypasses constructors for subclasses. .. .. bpo: 26811 .. date: 9667 .. nonce: oNzUWt .. section: Core and Builtins gc.get_objects() no longer contains a broken tuple with NULL pointer. .. .. bpo: 20120 .. date: 9666 .. nonce: c-FZZc .. section: Core and Builtins Use RawConfigParser for .pypirc parsing, removing support for interpolation unintentionally added with move to Python 3. Behavior no longer does any interpolation in .pypirc files, matching behavior in Python 2.7 and Setuptools 19.0. .. .. bpo: 26659 .. date: 9665 .. nonce: 5PRa83 .. section: Core and Builtins Make the builtin slice type support cycle collection. .. .. bpo: 26718 .. date: 9664 .. nonce: K5PQ8j .. section: Core and Builtins super.__init__ no longer leaks memory if called multiple times. NOTE: A direct call of super.__init__ is not endorsed! .. .. bpo: 25339 .. date: 9663 .. nonce: ZcaC2E .. section: Core and Builtins PYTHONIOENCODING now has priority over locale in setting the error handler for stdin and stdout. .. .. bpo: 26494 .. date: 9662 .. nonce: G6eXIi .. section: Core and Builtins Fixed crash on iterating exhausting iterators. Affected classes are generic sequence iterators, iterators of str, bytes, bytearray, list, tuple, set, frozenset, dict, OrderedDict, corresponding views and os.scandir() iterator. .. .. bpo: 26581 .. date: 9661 .. nonce: yNA7nm .. section: Core and Builtins If coding cookie is specified multiple times on a line in Python source code file, only the first one is taken to account. .. .. bpo: 26464 .. date: 9660 .. nonce: 7BreGz .. section: Core and Builtins Fix str.translate() when string is ASCII and first replacements removes character, but next replacement uses a non-ASCII character or a string longer than 1 character. Regression introduced in Python 3.5.0. .. .. bpo: 22836 .. date: 9659 .. nonce: cimt1y .. section: Core and Builtins Ensure exception reports from PyErr_Display() and PyErr_WriteUnraisable() are sensible even when formatting them produces secondary errors. This affects the reports produced by sys.__excepthook__() and when __del__() raises an exception. .. .. bpo: 26302 .. date: 9658 .. nonce: UD9XQt .. section: Core and Builtins Correct behavior to reject comma as a legal character for cookie names. .. .. bpo: 4806 .. date: 9657 .. nonce: i9m3hj .. section: Core and Builtins Avoid masking the original TypeError exception when using star (``*``) unpacking in function calls. Based on patch by Hagen Fürstenau and Daniel Urban. .. .. bpo: 27138 .. date: 9656 .. nonce: ifYEro .. section: Core and Builtins Fix the doc comment for FileFinder.find_spec(). .. .. bpo: 26154 .. date: 9655 .. nonce: MtnRAH .. section: Core and Builtins Add a new private _PyThreadState_UncheckedGet() function to get the current Python thread state, but don't issue a fatal error if it is NULL. This new function must be used instead of accessing directly the _PyThreadState_Current variable. The variable is no more exposed since Python 3.5.1 to hide the exact implementation of atomic C types, to avoid compiler issues. .. .. bpo: 26194 .. date: 9654 .. nonce: j9zand .. section: Core and Builtins Deque.insert() gave odd results for bounded deques that had reached their maximum size. Now an IndexError will be raised when attempting to insert into a full deque. .. .. bpo: 25843 .. date: 9653 .. nonce: t2kGug .. section: Core and Builtins When compiling code, don't merge constants if they are equal but have a different types. For example, ``f1, f2 = lambda: 1, lambda: 1.0`` is now correctly compiled to two different functions: ``f1()`` returns ``1`` (``int``) and ``f2()`` returns ``1.0`` (``int``), even if ``1`` and ``1.0`` are equal. .. .. bpo: 22995 .. date: 9652 .. nonce: KYNKvs .. section: Core and Builtins [UPDATE] Comment out the one of the pickleability tests in _PyObject_GetState() due to regressions observed in Cython-based projects. .. .. bpo: 25961 .. date: 9651 .. nonce: Hdjjw0 .. section: Core and Builtins Disallowed null characters in the type name. .. .. bpo: 25973 .. date: 9650 .. nonce: Ud__ZP .. section: Core and Builtins Fix segfault when an invalid nonlocal statement binds a name starting with two underscores. .. .. bpo: 22995 .. date: 9649 .. nonce: Wq0E86 .. section: Core and Builtins Instances of extension types with a state that aren't subclasses of list or dict and haven't implemented any pickle-related methods (__reduce__, __reduce_ex__, __getnewargs__, __getnewargs_ex__, or __getstate__), can no longer be pickled. Including memoryview. .. .. bpo: 20440 .. date: 9648 .. nonce: GCwOfH .. section: Core and Builtins Massive replacing unsafe attribute setting code with special macro Py_SETREF. .. .. bpo: 25766 .. date: 9647 .. nonce: jn93Yu .. section: Core and Builtins Special method __bytes__() now works in str subclasses. .. .. bpo: 25421 .. date: 9646 .. nonce: c47YEL .. section: Core and Builtins __sizeof__ methods of builtin types now use dynamic basic size. This allows sys.getsize() to work correctly with their subclasses with __slots__ defined. .. .. bpo: 25709 .. date: 9645 .. nonce: WwGm2k .. section: Core and Builtins Fixed problem with in-place string concatenation and utf-8 cache. .. .. bpo: 27147 .. date: 9644 .. nonce: tCCgmH .. section: Core and Builtins Mention :pep:`420` in the importlib docs. .. .. bpo: 24097 .. date: 9643 .. nonce: Vt4E-i .. section: Core and Builtins Fixed crash in object.__reduce__() if slot name is freed inside __getattr__. .. .. bpo: 24731 .. date: 9642 .. nonce: h9-hnz .. section: Core and Builtins Fixed crash on converting objects with special methods __bytes__, __trunc__, and __float__ returning instances of subclasses of bytes, int, and float to subclasses of bytes, int, and float correspondingly. .. .. bpo: 26478 .. date: 9641 .. nonce: n0dB8e .. section: Core and Builtins Fix semantic bugs when using binary operators with dictionary views and tuples. .. .. bpo: 26171 .. date: 9640 .. nonce: 8SaQEa .. section: Core and Builtins Fix possible integer overflow and heap corruption in zipimporter.get_data(). .. .. bpo: 25660 .. date: 9639 .. nonce: 93DzBo .. section: Core and Builtins Fix TAB key behaviour in REPL with readline. .. .. bpo: 25887 .. date: 9638 .. nonce: PtVIX7 .. section: Core and Builtins Raise a RuntimeError when a coroutine object is awaited more than once. .. .. bpo: 27243 .. date: 9637 .. nonce: U36M4E .. section: Core and Builtins Update the __aiter__ protocol: instead of returning an awaitable that resolves to an asynchronous iterator, the asynchronous iterator should be returned directly. Doing the former will trigger a PendingDeprecationWarning. .. .. bpo: 26556 .. date: 9636 .. nonce: v5j2uL .. original section: Library .. section: Security Update expat to 2.1.1, fixes CVE-2015-1283. .. .. bpo: 0 .. date: 9635 .. nonce: E4ochz .. original section: Library .. section: Security Fix TLS stripping vulnerability in smtplib, CVE-2016-0772. Reported by Team Oststrom .. .. bpo: 21386 .. date: 9634 .. nonce: DjV72U .. section: Library Implement missing IPv4Address.is_global property. It was documented since 07a5610bae9d. Initial patch by Roger Luethi. .. .. bpo: 20900 .. date: 9633 .. nonce: H5YQPR .. section: Library distutils register command now decodes HTTP responses correctly. Initial patch by ingrid. .. .. bpo: 0 .. date: 9632 .. nonce: iYIeng .. section: Library A new version of typing.py provides several new classes and features: @overload outside stubs, Reversible, DefaultDict, Text, ContextManager, Type[], NewType(), TYPE_CHECKING, and numerous bug fixes (note that some of the new features are not yet implemented in mypy or other static analyzers). Also classes for :pep:`492` (Awaitable, AsyncIterable, AsyncIterator) have been added (in fact they made it into 3.5.1 but were never mentioned). .. .. bpo: 25738 .. date: 9631 .. nonce: mED9w4 .. section: Library Stop http.server.BaseHTTPRequestHandler.send_error() from sending a message body for 205 Reset Content. Also, don't send Content header fields in responses that don't have a body. Patch by Susumu Koshiba. .. .. bpo: 21313 .. date: 9630 .. nonce: W30MBr .. section: Library Fix the "platform" module to tolerate when sys.version contains truncated build information. .. .. bpo: 26839 .. date: 9629 .. nonce: yVvy7R .. original section: Library .. section: Security On Linux, :func:`os.urandom` now calls ``getrandom()`` with ``GRND_NONBLOCK`` to fall back on reading ``/dev/urandom`` if the urandom entropy pool is not initialized yet. Patch written by Colm Buckley. .. .. bpo: 27164 .. date: 9628 .. nonce: 6wmjx2 .. section: Library In the zlib module, allow decompressing raw Deflate streams with a predefined zdict. Based on patch by Xiang Zhang. .. .. bpo: 24291 .. date: 9627 .. nonce: Ac6HvL .. section: Library Fix wsgiref.simple_server.WSGIRequestHandler to completely write data to the client. Previously it could do partial writes and truncate data. Also, wsgiref.handler.ServerHandler can now handle stdout doing partial writes, but this is deprecated. .. .. bpo: 26809 .. date: 9626 .. nonce: ya7JMb .. section: Library Add ``__all__`` to :mod:`string`. Patch by Emanuel Barry. .. .. bpo: 26373 .. date: 9625 .. nonce: P6qz6o .. section: Library subprocess.Popen.communicate now correctly ignores BrokenPipeError when the child process dies before .communicate() is called in more/all circumstances. .. .. bpo: 21776 .. date: 9624 .. nonce: 04eQfa .. section: Library distutils.upload now correctly handles HTTPError. Initial patch by Claudiu Popa. .. .. bpo: 27114 .. date: 9623 .. nonce: bGCuAM .. section: Library Fix SSLContext._load_windows_store_certs fails with PermissionError .. .. bpo: 18383 .. date: 9622 .. nonce: jr-b0l .. section: Library Avoid creating duplicate filters when using filterwarnings and simplefilter. Based on patch by Alex Shkop. .. .. bpo: 27057 .. date: 9621 .. nonce: YzTA_Q .. section: Library Fix os.set_inheritable() on Android, ioctl() is blocked by SELinux and fails with EACCESS. The function now falls back to fcntl(). Patch written by Michał Bednarski. .. .. bpo: 27014 .. date: 9620 .. nonce: ui7Khn .. section: Library Fix infinite recursion using typing.py. Thanks to Kalle Tuure! .. .. bpo: 14132 .. date: 9619 .. nonce: 5wR9MN .. section: Library Fix urllib.request redirect handling when the target only has a query string. Original fix by Ján Janech. .. .. bpo: 17214 .. date: 9618 .. nonce: lUbZOV .. section: Library The "urllib.request" module now percent-encodes non-ASCII bytes found in redirect target URLs. Some servers send Location header fields with non-ASCII bytes, but "http.client" requires the request target to be ASCII-encodable, otherwise a UnicodeEncodeError is raised. Based on patch by Christian Heimes. .. .. bpo: 26892 .. date: 9617 .. nonce: XIXb0h .. section: Library Honor debuglevel flag in urllib.request.HTTPHandler. Patch contributed by Chi Hsuan Yen. .. .. bpo: 22274 .. date: 9616 .. nonce: 0RHDMN .. section: Library In the subprocess module, allow stderr to be redirected to stdout even when stdout is not redirected. Patch by Akira Li. .. .. bpo: 26807 .. date: 9615 .. nonce: LXSPP6 .. section: Library mock_open 'files' no longer error on readline at end of file. Patch from Yolanda Robla. .. .. bpo: 25745 .. date: 9614 .. nonce: -n8acU .. section: Library Fixed leaking a userptr in curses panel destructor. .. .. bpo: 26977 .. date: 9613 .. nonce: 5G4HtL .. section: Library Removed unnecessary, and ignored, call to sum of squares helper in statistics.pvariance. .. .. bpo: 26881 .. date: 9612 .. nonce: mdiq_L .. section: Library The modulefinder module now supports extended opcode arguments. .. .. bpo: 23815 .. date: 9611 .. nonce: _krNe8 .. section: Library Fixed crashes related to directly created instances of types in _tkinter and curses.panel modules. .. .. bpo: 17765 .. date: 9610 .. nonce: hiSVS1 .. section: Library weakref.ref() no longer silently ignores keyword arguments. Patch by Georg Brandl. .. .. bpo: 26873 .. date: 9609 .. nonce: cYXRcH .. section: Library xmlrpc now raises ResponseError on unsupported type tags instead of silently return incorrect result. .. .. bpo: 26711 .. date: 9608 .. nonce: Eu85Qw .. section: Library Fixed the comparison of plistlib.Data with other types. .. .. bpo: 24114 .. date: 9607 .. nonce: RMRMtM .. section: Library Fix an uninitialized variable in `ctypes.util`. The bug only occurs on SunOS when the ctypes implementation searches for the `crle` program. Patch by Xiang Zhang. Tested on SunOS by Kees Bos. .. .. bpo: 26864 .. date: 9606 .. nonce: 1KgGds .. section: Library In urllib.request, change the proxy bypass host checking against no_proxy to be case-insensitive, and to not match unrelated host names that happen to have a bypassed hostname as a suffix. Patch by Xiang Zhang. .. .. bpo: 26634 .. date: 9605 .. nonce: FZvsSb .. section: Library recursive_repr() now sets __qualname__ of wrapper. Patch by Xiang Zhang. .. .. bpo: 26804 .. date: 9604 .. nonce: 9Orp-G .. section: Library urllib.request will prefer lower_case proxy environment variables over UPPER_CASE or Mixed_Case ones. Patch contributed by Hans-Peter Jansen. .. .. bpo: 26837 .. date: 9603 .. nonce: 2FXGsD .. section: Library assertSequenceEqual() now correctly outputs non-stringified differing items (like bytes in the -b mode). This affects assertListEqual() and assertTupleEqual(). .. .. bpo: 26041 .. date: 9602 .. nonce: bVem-p .. section: Library Remove "will be removed in Python 3.7" from deprecation messages of platform.dist() and platform.linux_distribution(). Patch by Kumaripaba Miyurusara Athukorala. .. .. bpo: 26822 .. date: 9601 .. nonce: rYSL4W .. section: Library itemgetter, attrgetter and methodcaller objects no longer silently ignore keyword arguments. .. .. bpo: 26733 .. date: 9600 .. nonce: YxaJmL .. section: Library Disassembling a class now disassembles class and static methods. Patch by Xiang Zhang. .. .. bpo: 26801 .. date: 9599 .. nonce: TQGY-7 .. section: Library Fix error handling in :func:`shutil.get_terminal_size`, catch :exc:`AttributeError` instead of :exc:`NameError`. Patch written by Emanuel Barry. .. .. bpo: 24838 .. date: 9598 .. nonce: 3Pfx8T .. section: Library tarfile's ustar and gnu formats now correctly calculate name and link field limits for multibyte character encodings like utf-8. .. .. bpo: 26657 .. date: 9597 .. nonce: C_-XFg .. original section: Library .. section: Security Fix directory traversal vulnerability with http.server on Windows. This fixes a regression that was introduced in 3.3.4rc1 and 3.4.0rc1. Based on patch by Philipp Hagemeister. .. .. bpo: 26717 .. date: 9596 .. nonce: jngTdu .. section: Library Stop encoding Latin-1-ized WSGI paths with UTF-8. Patch by Anthony Sottile. .. .. bpo: 26735 .. date: 9595 .. nonce: riSl3b .. section: Library Fix :func:`os.urandom` on Solaris 11.3 and newer when reading more than 1,024 bytes: call ``getrandom()`` multiple times with a limit of 1024 bytes per call. .. .. bpo: 16329 .. date: 9594 .. nonce: nuXD8W .. section: Library Add .webm to mimetypes.types_map. Patch by Giampaolo Rodola'. .. .. bpo: 13952 .. date: 9593 .. nonce: SOoTVE .. section: Library Add .csv to mimetypes.types_map. Patch by Geoff Wilson. .. .. bpo: 26709 .. date: 9592 .. nonce: luOPbP .. section: Library Fixed Y2038 problem in loading binary PLists. .. .. bpo: 23735 .. date: 9591 .. nonce: Y5oQ9r .. section: Library Handle terminal resizing with Readline 6.3+ by installing our own SIGWINCH handler. Patch by Eric Price. .. .. bpo: 26586 .. date: 9590 .. nonce: V5pZNa .. section: Library In http.server, respond with "413 Request header fields too large" if there are too many header fields to parse, rather than killing the connection and raising an unhandled exception. Patch by Xiang Zhang. .. .. bpo: 22854 .. date: 9589 .. nonce: K3rMEH .. section: Library Change BufferedReader.writable() and BufferedWriter.readable() to always return False. .. .. bpo: 25195 .. date: 9588 .. nonce: EOc4Po .. section: Library Fix a regression in mock.MagicMock. _Call is a subclass of tuple (changeset 3603bae63c13 only works for classes) so we need to implement __ne__ ourselves. Patch by Andrew Plummer. .. .. bpo: 26644 .. date: 9587 .. nonce: 7tt1tk .. section: Library Raise ValueError rather than SystemError when a negative length is passed to SSLSocket.recv() or read(). .. .. bpo: 23804 .. date: 9586 .. nonce: PP63Ff .. section: Library Fix SSL recv(0) and read(0) methods to return zero bytes instead of up to 1024. .. .. bpo: 26616 .. date: 9585 .. nonce: v3QwdD .. section: Library Fixed a bug in datetime.astimezone() method. .. .. bpo: 21925 .. date: 9584 .. nonce: _fr69L .. section: Library :func:`warnings.formatwarning` now catches exceptions on ``linecache.getline(...)`` to be able to log :exc:`ResourceWarning` emitted late during the Python shutdown process. .. .. bpo: 24266 .. date: 9583 .. nonce: YZgVyM .. section: Library Ctrl+C during Readline history search now cancels the search mode when compiled with Readline 7. .. .. bpo: 26560 .. date: 9582 .. nonce: A4WXNz .. section: Library Avoid potential ValueError in BaseHandler.start_response. Initial patch by Peter Inglesby. .. .. bpo: 26313 .. date: 9581 .. nonce: LjZAjy .. original section: Library .. section: Security ssl.py _load_windows_store_certs fails if windows cert store is empty. Patch by Baji. .. .. bpo: 26569 .. date: 9580 .. nonce: EX8vF1 .. section: Library Fix :func:`pyclbr.readmodule` and :func:`pyclbr.readmodule_ex` to support importing packages. .. .. bpo: 26499 .. date: 9579 .. nonce: NP08PI .. section: Library Account for remaining Content-Length in HTTPResponse.readline() and read1(). Based on patch by Silent Ghost. Also document that HTTPResponse now supports these methods. .. .. bpo: 25320 .. date: 9578 .. nonce: V96LIy .. section: Library Handle sockets in directories unittest discovery is scanning. Patch from Victor van den Elzen. .. .. bpo: 16181 .. date: 9577 .. nonce: P7lLvo .. section: Library cookiejar.http2time() now returns None if year is higher than datetime.MAXYEAR. .. .. bpo: 26513 .. date: 9576 .. nonce: HoPepy .. section: Library Fixes platform module detection of Windows Server .. .. bpo: 23718 .. date: 9575 .. nonce: AMPC0o .. section: Library Fixed parsing time in week 0 before Jan 1. Original patch by Tamás Bence Gedai. .. .. bpo: 20589 .. date: 9574 .. nonce: NsQ_I1 .. section: Library Invoking Path.owner() and Path.group() on Windows now raise NotImplementedError instead of ImportError. .. .. bpo: 26177 .. date: 9573 .. nonce: HlSWer .. section: Library Fixed the keys() method for Canvas and Scrollbar widgets. .. .. bpo: 15068 .. date: 9572 .. nonce: bcHtiw .. section: Library Got rid of excessive buffering in the fileinput module. The bufsize parameter is no longer used. .. .. bpo: 2202 .. date: 9571 .. nonce: dk9sd0 .. section: Library Fix UnboundLocalError in AbstractDigestAuthHandler.get_algorithm_impls. Initial patch by Mathieu Dupuy. .. .. bpo: 25718 .. date: 9570 .. nonce: 4EjZyv .. section: Library Fixed pickling and copying the accumulate() iterator with total is None. .. .. bpo: 26475 .. date: 9569 .. nonce: JXVccY .. section: Library Fixed debugging output for regular expressions with the (?x) flag. .. .. bpo: 26457 .. date: 9568 .. nonce: Xe6Clh .. section: Library Fixed the subnets() methods in IP network classes for the case when resulting prefix length is equal to maximal prefix length. Based on patch by Xiang Zhang. .. .. bpo: 26385 .. date: 9567 .. nonce: 50bDXm .. section: Library Remove the file if the internal open() call in NamedTemporaryFile() fails. Patch by Silent Ghost. .. .. bpo: 26402 .. date: 9566 .. nonce: k7DVuU .. section: Library Fix XML-RPC client to retry when the server shuts down a persistent connection. This was a regression related to the new http.client.RemoteDisconnected exception in 3.5.0a4. .. .. bpo: 25913 .. date: 9565 .. nonce: 5flb95 .. section: Library Leading ``<~`` is optional now in base64.a85decode() with adobe=True. Patch by Swati Jaiswal. .. .. bpo: 26186 .. date: 9564 .. nonce: R9rfiL .. section: Library Remove an invalid type check in importlib.util.LazyLoader. .. .. bpo: 26367 .. date: 9563 .. nonce: ckpNeU .. section: Library importlib.__import__() raises SystemError like builtins.__import__() when ``level`` is specified but without an accompanying package specified. .. .. bpo: 26309 .. date: 9562 .. nonce: ubEeiz .. section: Library In the "socketserver" module, shut down the request (closing the connected socket) when verify_request() returns false. Patch by Aviv Palivoda. .. .. bpo: 25939 .. date: 9561 .. nonce: X49Fqd .. original section: Library .. section: Security On Windows open the cert store readonly in ssl.enum_certificates. .. .. bpo: 25995 .. date: 9560 .. nonce: NfcimP .. section: Library os.walk() no longer uses FDs proportional to the tree depth. .. .. bpo: 26117 .. date: 9559 .. nonce: ne6p11 .. section: Library The os.scandir() iterator now closes file descriptor not only when the iteration is finished, but when it was failed with error. .. .. bpo: 25911 .. date: 9558 .. nonce: d4Zadh .. section: Library Restored support of bytes paths in os.walk() on Windows. .. .. bpo: 26045 .. date: 9557 .. nonce: WmzUrX .. section: Library Add UTF-8 suggestion to error message when posting a non-Latin-1 string with http.client. .. .. bpo: 12923 .. date: 9556 .. nonce: HPAu-B .. section: Library Reset FancyURLopener's redirect counter even if there is an exception. Based on patches by Brian Brazil and Daniel Rocco. .. .. bpo: 25945 .. date: 9555 .. nonce: guNgNM .. section: Library Fixed a crash when unpickle the functools.partial object with wrong state. Fixed a leak in failed functools.partial constructor. "args" and "keywords" attributes of functools.partial have now always types tuple and dict correspondingly. .. .. bpo: 26202 .. date: 9554 .. nonce: LPIXLg .. section: Library copy.deepcopy() now correctly copies range() objects with non-atomic attributes. .. .. bpo: 23076 .. date: 9553 .. nonce: 8rphoP .. section: Library Path.glob() now raises a ValueError if it's called with an invalid pattern. Patch by Thomas Nyberg. .. .. bpo: 19883 .. date: 9552 .. nonce: z9TsO6 .. section: Library Fixed possible integer overflows in zipimport. .. .. bpo: 26227 .. date: 9551 .. nonce: Fe6oiB .. section: Library On Windows, getnameinfo(), gethostbyaddr() and gethostbyname_ex() functions of the socket module now decode the hostname from the ANSI code page rather than UTF-8. .. .. bpo: 26147 .. date: 9550 .. nonce: i-Jc01 .. section: Library xmlrpc now works with strings not encodable with used non-UTF-8 encoding. .. .. bpo: 25935 .. date: 9549 .. nonce: cyni91 .. section: Library Garbage collector now breaks reference loops with OrderedDict. .. .. bpo: 16620 .. date: 9548 .. nonce: rxpn_Y .. section: Library Fixed AttributeError in msilib.Directory.glob(). .. .. bpo: 26013 .. date: 9547 .. nonce: 93RKNz .. section: Library Added compatibility with broken protocol 2 pickles created in old Python 3 versions (3.4.3 and lower). .. .. bpo: 25850 .. date: 9546 .. nonce: jwFPxj .. section: Library Use cross-compilation by default for 64-bit Windows. .. .. bpo: 17633 .. date: 9545 .. nonce: 9mpbUO .. section: Library Improve zipimport's support for namespace packages. .. .. bpo: 24705 .. date: 9544 .. nonce: IZYwjR .. section: Library Fix sysconfig._parse_makefile not expanding ${} vars appearing before $() vars. .. .. bpo: 22138 .. date: 9543 .. nonce: nRNYkc .. section: Library Fix mock.patch behavior when patching descriptors. Restore original values after patching. Patch contributed by Sean McCully. .. .. bpo: 25672 .. date: 9542 .. nonce: fw9RJP .. section: Library In the ssl module, enable the SSL_MODE_RELEASE_BUFFERS mode option if it is safe to do so. .. .. bpo: 26012 .. date: 9541 .. nonce: IFSXNm .. section: Library Don't traverse into symlinks for ``**`` pattern in pathlib.Path.[r]glob(). .. .. bpo: 24120 .. date: 9540 .. nonce: Yiwa0h .. section: Library Ignore PermissionError when traversing a tree with pathlib.Path.[r]glob(). Patch by Ulrich Petri. .. .. bpo: 25447 .. date: 9539 .. nonce: -4m4xO .. section: Library fileinput now uses sys.stdin as-is if it does not have a buffer attribute (restores backward compatibility). .. .. bpo: 25447 .. date: 9538 .. nonce: AtHkWA .. section: Library Copying the lru_cache() wrapper object now always works, independently from the type of the wrapped object (by returning the original object unchanged). .. .. bpo: 24103 .. date: 9537 .. nonce: WufqrQ .. section: Library Fixed possible use after free in ElementTree.XMLPullParser. .. .. bpo: 25860 .. date: 9536 .. nonce: 0hActb .. section: Library os.fwalk() no longer skips remaining directories when error occurs. Original patch by Samson Lee. .. .. bpo: 25914 .. date: 9535 .. nonce: h0V61F .. section: Library Fixed and simplified OrderedDict.__sizeof__. .. .. bpo: 25902 .. date: 9534 .. nonce: 6t2FmH .. section: Library Fixed various refcount issues in ElementTree iteration. .. .. bpo: 25717 .. date: 9533 .. nonce: 0_xjaK .. section: Library Restore the previous behaviour of tolerating most fstat() errors when opening files. This was a regression in 3.5a1, and stopped anonymous temporary files from working in special cases. .. .. bpo: 24903 .. date: 9532 .. nonce: 3LBdzb .. section: Library Fix regression in number of arguments compileall accepts when '-d' is specified. The check on the number of arguments has been dropped completely as it never worked correctly anyway. .. .. bpo: 25764 .. date: 9531 .. nonce: 7WWG07 .. section: Library In the subprocess module, preserve any exception caused by fork() failure when preexec_fn is used. .. .. bpo: 6478 .. date: 9530 .. nonce: -Bi9Hb .. section: Library _strptime's regexp cache now is reset after changing timezone with time.tzset(). .. .. bpo: 14285 .. date: 9529 .. nonce: UyG8Hj .. section: Library When executing a package with the "python -m package" option, and package initialization fails, a proper traceback is now reported. The "runpy" module now lets exceptions from package initialization pass back to the caller, rather than raising ImportError. .. .. bpo: 19771 .. date: 9528 .. nonce: 5NG-bg .. section: Library Also in runpy and the "-m" option, omit the irrelevant message ". . . is a package and cannot be directly executed" if the package could not even be initialized (e.g. due to a bad ``*.pyc`` file). .. .. bpo: 25177 .. date: 9527 .. nonce: aNR4Ha .. section: Library Fixed problem with the mean of very small and very large numbers. As a side effect, statistics.mean and statistics.variance should be significantly faster. .. .. bpo: 25718 .. date: 9526 .. nonce: D9mHZF .. section: Library Fixed copying object with state with boolean value is false. .. .. bpo: 10131 .. date: 9525 .. nonce: a7tptz .. section: Library Fixed deep copying of minidom documents. Based on patch by Marian Ganisin. .. .. bpo: 25725 .. date: 9524 .. nonce: XIKv3R .. section: Library Fixed a reference leak in pickle.loads() when unpickling invalid data including tuple instructions. .. .. bpo: 25663 .. date: 9523 .. nonce: Ofwfqa .. section: Library In the Readline completer, avoid listing duplicate global names, and search the global namespace before searching builtins. .. .. bpo: 25688 .. date: 9522 .. nonce: 8P1HOv .. section: Library Fixed file leak in ElementTree.iterparse() raising an error. .. .. bpo: 23914 .. date: 9521 .. nonce: 1sEz4J .. section: Library Fixed SystemError raised by unpickler on broken pickle data. .. .. bpo: 25691 .. date: 9520 .. nonce: ZEaapY .. section: Library Fixed crash on deleting ElementTree.Element attributes. .. .. bpo: 25624 .. date: 9519 .. nonce: ed-fM0 .. section: Library ZipFile now always writes a ZIP_STORED header for directory entries. Patch by Dingyuan Wang. .. .. bpo: 0 .. date: 9518 .. nonce: rtZyid .. section: Library Skip getaddrinfo if host is already resolved. Patch by A. Jesse Jiryu Davis. .. .. bpo: 26050 .. date: 9517 .. nonce: sclyvk .. section: Library Add asyncio.StreamReader.readuntil() method. Patch by Марк Коренберг. .. .. bpo: 25924 .. date: 9516 .. nonce: Uxr2vt .. section: Library Avoid unnecessary serialization of getaddrinfo(3) calls on OS X versions 10.5 or higher. Original patch by A. Jesse Jiryu Davis. .. .. bpo: 26406 .. date: 9515 .. nonce: ihvhF4 .. section: Library Avoid unnecessary serialization of getaddrinfo(3) calls on current versions of OpenBSD and NetBSD. Patch by A. Jesse Jiryu Davis. .. .. bpo: 26848 .. date: 9514 .. nonce: ChBOpQ .. section: Library Fix asyncio/subprocess.communicate() to handle empty input. Patch by Jack O'Connor. .. .. bpo: 27040 .. date: 9513 .. nonce: UASyCC .. section: Library Add loop.get_exception_handler method .. .. bpo: 27041 .. date: 9512 .. nonce: p3893U .. section: Library asyncio: Add loop.create_future method .. .. bpo: 27223 .. date: 9511 .. nonce: PRf4I6 .. section: Library asyncio: Fix _read_ready and _write_ready to respect _conn_lost. Patch by Łukasz Langa. .. .. bpo: 22970 .. date: 9510 .. nonce: WhdhyM .. section: Library asyncio: Fix inconsistency cancelling Condition.wait. Patch by David Coles. .. .. bpo: 5124 .. date: 9509 .. nonce: 4kwBvM .. section: IDLE Paste with text selected now replaces the selection on X11. This matches how paste works on Windows, Mac, most modern Linux apps, and ttk widgets. Original patch by Serhiy Storchaka. .. .. bpo: 24759 .. date: 9508 .. nonce: ccmySu .. section: IDLE Make clear in idlelib.idle_test.__init__ that the directory is a private implementation of test.test_idle and tool for maintainers. .. .. bpo: 27196 .. date: 9507 .. nonce: 3yp8TF .. section: IDLE Stop 'ThemeChanged' warnings when running IDLE tests. These persisted after other warnings were suppressed in #20567. Apply Serhiy Storchaka's update_idletasks solution to four test files. Record this additional advice in idle_test/README.txt .. .. bpo: 20567 .. date: 9506 .. nonce: hhT32b .. section: IDLE Revise idle_test/README.txt with advice about avoiding tk warning messages from tests. Apply advice to several IDLE tests. .. .. bpo: 27117 .. date: 9505 .. nonce: YrLPf4 .. section: IDLE Make colorizer htest and turtledemo work with dark themes. Move code for configuring text widget colors to a new function. .. .. bpo: 26673 .. date: 9504 .. nonce: dh0_Ij .. section: IDLE When tk reports font size as 0, change to size 10. Such fonts on Linux prevented the configuration dialog from opening. .. .. bpo: 21939 .. date: 9503 .. nonce: pWz-OK .. section: IDLE Add test for IDLE's percolator. Original patch by Saimadhav Heblikar. .. .. bpo: 21676 .. date: 9502 .. nonce: hqy6Qh .. section: IDLE Add test for IDLE's replace dialog. Original patch by Saimadhav Heblikar. .. .. bpo: 18410 .. date: 9501 .. nonce: DLSPZo .. section: IDLE Add test for IDLE's search dialog. Original patch by Westley Martínez. .. .. bpo: 21703 .. date: 9500 .. nonce: BAZfDM .. section: IDLE Add test for IDLE's undo delegator. Original patch by Saimadhav Heblikar . .. .. bpo: 27044 .. date: 9499 .. nonce: 4y7tyM .. section: IDLE Add ConfigDialog.remove_var_callbacks to stop memory leaks. .. .. bpo: 23977 .. date: 9498 .. nonce: miDjj8 .. section: IDLE Add more asserts to test_delegator. .. .. bpo: 20640 .. date: 9497 .. nonce: PmI-G8 .. section: IDLE Add tests for idlelib.configHelpSourceEdit. Patch by Saimadhav Heblikar. .. .. bpo: 0 .. date: 9496 .. nonce: _YJfG7 .. section: IDLE In the 'IDLE-console differences' section of the IDLE doc, clarify how running with IDLE affects sys.modules and the standard streams. .. .. bpo: 25507 .. date: 9495 .. nonce: i8bNpk .. section: IDLE fix incorrect change in IOBinding that prevented printing. Augment IOBinding htest to include all major IOBinding functions. .. .. bpo: 25905 .. date: 9494 .. nonce: FzNb3B .. section: IDLE Revert unwanted conversion of ' to ’ RIGHT SINGLE QUOTATION MARK in README.txt and open this and NEWS.txt with 'ascii'. Re-encode CREDITS.txt to utf-8 and open it with 'utf-8'. .. .. bpo: 19489 .. date: 9493 .. nonce: jvzuO7 .. section: Documentation Moved the search box from the sidebar to the header and footer of each page. Patch by Ammar Askar. .. .. bpo: 24136 .. date: 9492 .. nonce: MUK0zK .. section: Documentation Document the new :pep:`448` unpacking syntax of 3.5. .. .. bpo: 26736 .. date: 9491 .. nonce: U_Hyqo .. section: Documentation Used HTTPS for external links in the documentation if possible. .. .. bpo: 6953 .. date: 9490 .. nonce: Zk6rno .. section: Documentation Rework the Readline module documentation to group related functions together, and add more details such as what underlying Readline functions and variables are accessed. .. .. bpo: 23606 .. date: 9489 .. nonce: 9MhIso .. section: Documentation Adds note to ctypes documentation regarding cdll.msvcrt. .. .. bpo: 25500 .. date: 9488 .. nonce: AV47eF .. section: Documentation Fix documentation to not claim that __import__ is searched for in the global scope. .. .. bpo: 26014 .. date: 9487 .. nonce: ptdZ_I .. section: Documentation Update 3.x packaging documentation: * "See also" links to the new docs are now provided in the legacy pages * links to setuptools documentation have been updated .. .. bpo: 21916 .. date: 9486 .. nonce: muwCyp .. section: Tests Added tests for the turtle module. Patch by ingrid, Gregory Loyse and Jelle Zijlstra. .. .. bpo: 26523 .. date: 9485 .. nonce: em_Uzt .. section: Tests The multiprocessing thread pool (multiprocessing.dummy.Pool) was untested. .. .. bpo: 26015 .. date: 9484 .. nonce: p3oWK3 .. section: Tests Added new tests for pickling iterators of mutable sequences. .. .. bpo: 26325 .. date: 9483 .. nonce: KOUc82 .. section: Tests Added test.support.check_no_resource_warning() to check that no ResourceWarning is emitted. .. .. bpo: 25940 .. date: 9482 .. nonce: PgiLVN .. section: Tests Changed test_ssl to use self-signed.pythontest.net. This avoids relying on svn.python.org, which recently changed root certificate. .. .. bpo: 25616 .. date: 9481 .. nonce: Qr-60p .. section: Tests Tests for OrderedDict are extracted from test_collections into separate file test_ordered_dict. .. .. bpo: 26583 .. date: 9480 .. nonce: Up7hTl .. section: Tests Skip test_timestamp_overflow in test_import if bytecode files cannot be written. .. .. bpo: 26884 .. date: 9479 .. nonce: O8-azL .. section: Build Fix linking extension modules for cross builds. Patch by Xavier de Gaye. .. .. bpo: 22359 .. date: 9478 .. nonce: HDjM4s .. section: Build Disable the rules for running _freeze_importlib and pgen when cross-compiling. The output of these programs is normally saved with the source code anyway, and is still regenerated when doing a native build. Patch by Xavier de Gaye. .. .. bpo: 27229 .. date: 9477 .. nonce: C2NDch .. section: Build Fix the cross-compiling pgen rule for in-tree builds. Patch by Xavier de Gaye. .. .. bpo: 21668 .. date: 9476 .. nonce: 4sMAa1 .. section: Build Link audioop, _datetime, _ctypes_test modules to libm, except on Mac OS X. Patch written by Xavier de Gaye. .. .. bpo: 25702 .. date: 9475 .. nonce: ipxyJs .. section: Build A --with-lto configure option has been added that will enable link time optimizations at build time during a make profile-opt. Some compilers and toolchains are known to not produce stable code when using LTO, be sure to test things thoroughly before relying on it. It can provide a few % speed up over profile-opt alone. .. .. bpo: 26624 .. date: 9474 .. nonce: 4fGrTl .. section: Build Adds validation of ucrtbase[d].dll version with warning for old versions. .. .. bpo: 17603 .. date: 9473 .. nonce: 102DA- .. section: Build Avoid error about nonexistant fileblocks.o file by using a lower-level check for st_blocks in struct stat. .. .. bpo: 26079 .. date: 9472 .. nonce: mEzW0O .. section: Build Fixing the build output folder for tix-8.4.3.6. Patch by Bjoern Thiel. .. .. bpo: 26465 .. date: 9471 .. nonce: _YR608 .. section: Build Update Windows builds to use OpenSSL 1.0.2g. .. .. bpo: 24421 .. date: 9470 .. nonce: 2zY7vM .. section: Build Compile Modules/_math.c once, before building extensions. Previously it could fail to compile properly if the math and cmath builds were concurrent. .. .. bpo: 25348 .. date: 9469 .. nonce: u6_BaQ .. section: Build Added ``--pgo`` and ``--pgo-job`` arguments to ``PCbuild\build.bat`` for building with Profile-Guided Optimization. The old ``PCbuild\build_pgo.bat`` script is now deprecated, and simply calls ``PCbuild\build.bat --pgo %*``. .. .. bpo: 25827 .. date: 9468 .. nonce: yg3DMM .. section: Build Add support for building with ICC to ``configure``, including a new ``--with-icc`` flag. .. .. bpo: 25696 .. date: 9467 .. nonce: 2R_wIv .. section: Build Fix installation of Python on UNIX with make -j9. .. .. bpo: 26930 .. date: 9466 .. nonce: Sqz2O3 .. section: Build Update OS X 10.5+ 32-bit-only installer to build and link with OpenSSL 1.0.2h. .. .. bpo: 26268 .. date: 9465 .. nonce: I3-YLh .. section: Build Update Windows builds to use OpenSSL 1.0.2f. .. .. bpo: 25136 .. date: 9464 .. nonce: Vi-fmO .. section: Build Support Apple Xcode 7's new textual SDK stub libraries. .. .. bpo: 24324 .. date: 9463 .. nonce: m6DZMx .. section: Build Do not enable unreachable code warnings when using gcc as the option does not work correctly in older versions of gcc and has been silently removed as of gcc-4.5. .. .. bpo: 27053 .. date: 9462 .. nonce: 1IRbae .. section: Windows Updates make_zip.py to correctly generate library ZIP file. .. .. bpo: 26268 .. date: 9461 .. nonce: Z-lJEh .. section: Windows Update the prepare_ssl.py script to handle OpenSSL releases that don't include the contents of the include directory (that is, 1.0.2e and later). .. .. bpo: 26071 .. date: 9460 .. nonce: wLxL2l .. section: Windows bdist_wininst created binaries fail to start and find 32bit Python .. .. bpo: 26073 .. date: 9459 .. nonce: XwWgHp .. section: Windows Update the list of magic numbers in launcher .. .. bpo: 26065 .. date: 9458 .. nonce: SkVLJp .. section: Windows Excludes venv from library when generating embeddable distro. .. .. bpo: 26799 .. date: 9457 .. nonce: gK2VXX .. section: Tools/Demos Fix python-gdb.py: don't get C types once when the Python code is loaded, but get C types on demand. The C types can change if python-gdb.py is loaded before the Python executable. Patch written by Thomas Ilsche. .. .. bpo: 26271 .. date: 9456 .. nonce: wg-rzr .. section: Tools/Demos Fix the Freeze tool to properly use flags passed through configure. Patch by Daniel Shaulov. .. .. bpo: 26489 .. date: 9455 .. nonce: rJ_U5S .. section: Tools/Demos Add dictionary unpacking support to Tools/parser/unparse.py. Patch by Guo Ci Teo. .. .. bpo: 26316 .. date: 9454 .. nonce: QJvVOi .. section: Tools/Demos Fix variable name typo in Argument Clinic. .. .. bpo: 17500 .. date: 9453 .. nonce: QTZbRV .. section: Windows Remove unused and outdated icons. (See also: https://github.com/python/pythondotorg/issues/945)