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Diffstat (limited to 'Misc/NEWS.d/3.7.0b5.rst')
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diff --git a/Misc/NEWS.d/3.7.0b5.rst b/Misc/NEWS.d/3.7.0b5.rst new file mode 100644 index 0000000..b420496 --- /dev/null +++ b/Misc/NEWS.d/3.7.0b5.rst @@ -0,0 +1,592 @@ +.. bpo: 33622 +.. date: 2018-05-23-20-46-14 +.. nonce: xPucO9 +.. release date: 2018-05-30 +.. section: Core and Builtins + +Fixed a leak when the garbage collector fails to add an object with the +``__del__`` method or referenced by it into the :data:`gc.garbage` list. +:c:func:`PyGC_Collect` can now be called when an exception is set and +preserves it. + +.. + +.. bpo: 33509 +.. date: 2018-05-14-17-31-02 +.. nonce: pIUfTd +.. section: Core and Builtins + +Fix module_globals parameter of warnings.warn_explicit(): don't crash if +module_globals is not a dict. + +.. + +.. bpo: 20104 +.. date: 2018-05-14-11-34-55 +.. nonce: kqBNzv +.. section: Core and Builtins + +The new `os.posix_spawn` added in 3.7.0b1 was removed as we are still +working on what the API should look like. Expect this in 3.8 instead. + +.. + +.. bpo: 33475 +.. date: 2018-05-13-01-26-18 +.. nonce: rI0y1U +.. section: Core and Builtins + +Fixed miscellaneous bugs in converting annotations to strings and optimized +parentheses in the string representation. + +.. + +.. bpo: 33391 +.. date: 2018-05-02-08-36-03 +.. nonce: z4a7rb +.. section: Core and Builtins + +Fix a leak in set_symmetric_difference(). + +.. + +.. bpo: 28055 +.. date: 2018-04-25-20-44-42 +.. nonce: f49kfC +.. section: Core and Builtins + +Fix unaligned accesses in siphash24(). Patch by Rolf Eike Beer. + +.. + +.. bpo: 32911 +.. date: 2018-02-27-20-57-00 +.. nonce: cmKfco +.. section: Core and Builtins + +Due to unexpected compatibility issues discovered during downstream beta +testing, reverted :issue:`29463`. ``docstring`` field is removed from +Module, ClassDef, FunctionDef, and AsyncFunctionDef ast nodes which was +added in 3.7a1. Docstring expression is restored as a first statement in +their body. Based on patch by Inada Naoki. + +.. + +.. bpo: 21983 +.. date: 2017-10-02-21-02-14 +.. nonce: UoC319 +.. section: Core and Builtins + +Fix a crash in `ctypes.cast()` in case the type argument is a ctypes +structured data type. Patch by Eryk Sun and Oren Milman. + +.. + +.. bpo: 32751 +.. date: 2018-05-29-15-32-18 +.. nonce: oBTqr7 +.. section: Library + +When cancelling the task due to a timeout, :meth:`asyncio.wait_for` will now +wait until the cancellation is complete. + +.. + +.. bpo: 32684 +.. date: 2018-05-29-12-51-18 +.. nonce: ZEIism +.. section: Library + +Fix gather to propagate cancellation of itself even with return_exceptions. + +.. + +.. bpo: 33654 +.. date: 2018-05-29-01-13-39 +.. nonce: sa81Si +.. section: Library + +Support protocol type switching in SSLTransport.set_protocol(). + +.. + +.. bpo: 33674 +.. date: 2018-05-29-00-37-56 +.. nonce: 2IkGhL +.. section: Library + +Pause the transport as early as possible to further reduce the risk of +data_received() being called before connection_made(). + +.. + +.. bpo: 33674 +.. date: 2018-05-28-22-49-59 +.. nonce: 6LFFj7 +.. section: Library + +Fix a race condition in SSLProtocol.connection_made() of asyncio.sslproto: +start immediately the handshake instead of using call_soon(). Previously, +data_received() could be called before the handshake started, causing the +handshake to hang or fail. + +.. + +.. bpo: 31647 +.. date: 2018-05-28-18-40-26 +.. nonce: s4Fad3 +.. section: Library + +Fixed bug where calling write_eof() on a _SelectorSocketTransport after it's +already closed raises AttributeError. + +.. + +.. bpo: 32610 +.. date: 2018-05-28-16-40-32 +.. nonce: KvUAsL +.. section: Library + +Make asyncio.all_tasks() return only pending tasks. + +.. + +.. bpo: 32410 +.. date: 2018-05-28-16-19-35 +.. nonce: Z1DZaF +.. section: Library + +Avoid blocking on file IO in sendfile fallback code + +.. + +.. bpo: 33469 +.. date: 2018-05-28-15-55-12 +.. nonce: hmXBpY +.. section: Library + +Fix RuntimeError after closing loop that used run_in_executor + +.. + +.. bpo: 33672 +.. date: 2018-05-28-12-29-54 +.. nonce: GM_Xm_ +.. section: Library + +Fix Task.__repr__ crash with Cython's bogus coroutines + +.. + +.. bpo: 33654 +.. date: 2018-05-26-13-09-34 +.. nonce: IbYWxA +.. section: Library + +Fix transport.set_protocol() to support switching between asyncio.Protocol +and asyncio.BufferedProtocol. Fix loop.start_tls() to work with +asyncio.BufferedProtocols. + +.. + +.. bpo: 33652 +.. date: 2018-05-26-10-13-59 +.. nonce: humFJ1 +.. section: Library + +Pickles of type variables and subscripted generics are now future-proof and +compatible with older Python versions. + +.. + +.. bpo: 32493 +.. date: 2018-05-24-17-41-36 +.. nonce: 5tAoAu +.. section: Library + +Fixed :func:`uuid.uuid1` on FreeBSD. + +.. + +.. bpo: 33618 +.. date: 2018-05-23-20-14-34 +.. nonce: xU39lr +.. section: Library + +Finalize and document preliminary and experimental TLS 1.3 support with +OpenSSL 1.1.1 + +.. + +.. bpo: 33623 +.. date: 2018-05-23-14-58-05 +.. nonce: wAw1cF +.. section: Library + +Fix possible SIGSGV when asyncio.Future is created in __del__ + +.. + +.. bpo: 30877 +.. date: 2018-05-22-13-05-12 +.. nonce: JZEGjI +.. section: Library + +Fixed a bug in the Python implementation of the JSON decoder that prevented +the cache of parsed strings from clearing after finishing the decoding. +Based on patch by c-fos. + +.. + +.. bpo: 33570 +.. date: 2018-05-18-21-50-47 +.. nonce: 7CZy4t +.. section: Library + +Change TLS 1.3 cipher suite settings for compatibility with OpenSSL +1.1.1-pre6 and newer. OpenSSL 1.1.1 will have TLS 1.3 cipers enabled by +default. + +.. + +.. bpo: 28556 +.. date: 2018-05-17-22-53-08 +.. nonce: C6Hnd1 +.. section: Library + +Do not simplify arguments to `typing.Union`. Now `Union[Manager, Employee]` +is not simplified to `Employee` at runtime. Such simplification previously +caused several bugs and limited possibilities for introspection. + +.. + +.. bpo: 33540 +.. date: 2018-05-16-18-10-38 +.. nonce: wy9LRV +.. section: Library + +Add a new ``block_on_close`` class attribute to ``ForkingMixIn`` and +``ThreadingMixIn`` classes of :mod:`socketserver`. + +.. + +.. bpo: 33548 +.. date: 2018-05-16-17-05-48 +.. nonce: xWslmx +.. section: Library + +tempfile._candidate_tempdir_list should consider common TEMP locations + +.. + +.. bpo: 33109 +.. date: 2018-05-16-14-57-58 +.. nonce: nPLL_S +.. section: Library + +argparse subparsers are once again not required by default, reverting the +change in behavior introduced by bpo-26510 in 3.7.0a2. + +.. + +.. bpo: 33536 +.. date: 2018-05-16-10-07-40 +.. nonce: _s0TE8 +.. section: Library + +dataclasses.make_dataclass now checks for invalid field names and duplicate +fields. Also, added a check for invalid field specifications. + +.. + +.. bpo: 33542 +.. date: 2018-05-16-09-30-27 +.. nonce: idNAcs +.. section: Library + +Prevent ``uuid.get_node`` from using a DUID instead of a MAC on Windows. +Patch by Zvi Effron + +.. + +.. bpo: 26819 +.. date: 2018-05-16-05-24-43 +.. nonce: taxbVT +.. section: Library + +Fix race condition with `ReadTransport.resume_reading` in Windows proactor +event loop. + +.. + +.. bpo: 0 +.. date: 2018-05-15-18-02-03 +.. nonce: pj2Mbb +.. section: Library + +Fix failure in `typing.get_type_hints()` when ClassVar was provided as a +string forward reference. + +.. + +.. bpo: 33505 +.. date: 2018-05-14-18-05-35 +.. nonce: L8pAyt +.. section: Library + +Optimize asyncio.ensure_future() by reordering if checks: 1.17x faster. + +.. + +.. bpo: 33497 +.. date: 2018-05-14-17-49-34 +.. nonce: wWT6XM +.. section: Library + +Add errors param to cgi.parse_multipart and make an encoding in FieldStorage +use the given errors (needed for Twisted). Patch by Amber Brown. + +.. + +.. bpo: 33495 +.. date: 2018-05-14-10-29-03 +.. nonce: TeGTQJ +.. section: Library + +Change dataclasses.Fields repr to use the repr of each of its members, +instead of str. This makes it more clear what each field actually +represents. This is especially true for the 'type' member. + +.. + +.. bpo: 33453 +.. date: 2018-05-12-06-01-02 +.. nonce: Fj-jMD +.. section: Library + +Fix dataclasses to work if using literal string type annotations or if using +PEP 563 "Postponed Evaluation of Annotations". Only specific string +prefixes are detected for both ClassVar ("ClassVar" and "typing.ClassVar") +and InitVar ("InitVar" and "dataclasses.InitVar"). + +.. + +.. bpo: 28556 +.. date: 2018-05-08-16-43-42 +.. nonce: _xr5mp +.. section: Library + +Minor fixes in typing module: add annotations to ``NamedTuple.__new__``, +pass ``*args`` and ``**kwds`` in ``Generic.__new__``. Original PRs by +Paulius Šarka and Chad Dombrova. + +.. + +.. bpo: 20087 +.. date: 2018-05-05-18-02-24 +.. nonce: lJrvXL +.. section: Library + +Updated alias mapping with glibc 2.27 supported locales. + +.. + +.. bpo: 33422 +.. date: 2018-05-05-09-53-05 +.. nonce: 4FtQ0q +.. section: Library + +Fix trailing quotation marks getting deleted when looking up byte/string +literals on pydoc. Patch by Andrés Delfino. + +.. + +.. bpo: 28167 +.. date: 2018-05-02-07-26-29 +.. nonce: 7FwDfN +.. section: Library + +The function ``platform.linux_distribution`` and ``platform.dist`` now +trigger a ``DeprecationWarning`` and have been marked for removal in Python +3.8 + +.. + +.. bpo: 33197 +.. date: 2018-04-29-23-56-20 +.. nonce: dgRLqr +.. section: Library + +Update error message when constructing invalid inspect.Parameters Patch by +Dong-hee Na. + +.. + +.. bpo: 33263 +.. date: 2018-04-11-20-29-19 +.. nonce: B56Hc1 +.. section: Library + +Fix FD leak in `_SelectorSocketTransport` Patch by Vlad Starostin. + +.. + +.. bpo: 32861 +.. date: 2018-04-02-20-44-54 +.. nonce: HeBjzN +.. section: Library + +The urllib.robotparser's ``__str__`` representation now includes wildcard +entries and the "Crawl-delay" and "Request-rate" fields. Patch by Michael +Lazar. + +.. + +.. bpo: 32257 +.. date: 2018-02-26-09-08-07 +.. nonce: 6ElnUt +.. section: Library + +The ssl module now contains OP_NO_RENEGOTIATION constant, available with +OpenSSL 1.1.0h or 1.1.1. + +.. + +.. bpo: 16865 +.. date: 2017-09-29-16-40-38 +.. nonce: l-f6I_ +.. section: Library + +Support arrays >=2GiB in :mod:`ctypes`. Patch by Segev Finer. + +.. + +.. bpo: 23859 +.. date: 2018-05-29-16-02-31 +.. nonce: E5gba1 +.. section: Documentation + +Document that `asyncio.wait()` does not cancel its futures on timeout. + +.. + +.. bpo: 32436 +.. date: 2018-05-23-11-59-51 +.. nonce: S1LGPa +.. section: Documentation + +Document PEP 567 changes to asyncio. + +.. + +.. bpo: 33604 +.. date: 2018-05-22-11-47-14 +.. nonce: 5YHTpz +.. section: Documentation + +Update HMAC md5 default to a DeprecationWarning, bump removal to 3.8. + +.. + +.. bpo: 33503 +.. date: 2018-05-14-20-08-58 +.. nonce: Wvt0qg +.. section: Documentation + +Fix broken pypi link + +.. + +.. bpo: 33421 +.. date: 2018-05-14-15-15-41 +.. nonce: 3GU_QO +.. section: Documentation + +Add missing documentation for ``typing.AsyncContextManager``. + +.. + +.. bpo: 33655 +.. date: 2018-05-26-16-01-40 +.. nonce: Frb4LA +.. section: Tests + +Ignore test_posix_fallocate failures on BSD platforms that might be due to +running on ZFS. + +.. + +.. bpo: 32604 +.. date: 2018-05-14-13-32-46 +.. nonce: a_z6D_ +.. section: Tests + +Remove the _xxsubinterpreters module (meant for testing) and associated +helpers. This module was originally added recently in 3.7b1. + +.. + +.. bpo: 33614 +.. date: 2018-05-28-11-40-22 +.. nonce: 28e0sE +.. section: Build + +Ensures module definition files for the stable ABI on Windows are correctly +regenerated. + +.. + +.. bpo: 33522 +.. date: 2018-05-15-12-44-50 +.. nonce: mJoNcA +.. section: Build + +Enable CI builds on Visual Studio Team Services at +https://python.visualstudio.com/cpython + +.. + +.. bpo: 33012 +.. date: 2018-05-10-21-10-01 +.. nonce: 5Zfjac +.. section: Build + +Add ``-Wno-cast-function-type`` for gcc 8 for silencing warnings about +function casts like casting to PyCFunction in method definition lists. + +.. + +.. bpo: 13631 +.. date: 2018-05-16-13-25-58 +.. nonce: UIjDyY +.. section: macOS + +The .editrc file in user's home directory is now processed correctly during +the readline initialization through editline emulation on macOS. + +.. + +.. bpo: 33628 +.. date: 2018-05-23-19-51-07 +.. nonce: sLlFLO +.. section: IDLE + +IDLE: Cleanup codecontext.py and its test. + +.. + +.. bpo: 33564 +.. date: 2018-05-17-19-41-12 +.. nonce: XzHZJe +.. section: IDLE + +IDLE's code context now recognizes async as a block opener. + +.. + +.. bpo: 32831 +.. date: 2018-02-12-08-08-45 +.. nonce: srDRvU +.. section: IDLE + +Add docstrings and tests for codecontext. |