mirror of
https://github.com/python/cpython.git
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879 lines
18 KiB
ReStructuredText
879 lines
18 KiB
ReStructuredText
.. bpo: 32703
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.. date: 2018-01-29-01-15-17
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.. nonce: mwrF4-
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.. release date: 2018-01-30
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.. section: Core and Builtins
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Fix coroutine's ResourceWarning when there's an active error set when it's
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being finalized.
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..
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.. bpo: 32650
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.. date: 2018-01-28-23-01-39
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.. nonce: Bbi7ek
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.. section: Core and Builtins
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Pdb and other debuggers dependent on bdb.py will correctly step over (next
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command) native coroutines. Patch by Pablo Galindo.
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..
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.. bpo: 28685
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.. date: 2018-01-28-15-09-33
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.. nonce: cHThLM
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.. section: Core and Builtins
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Optimize list.sort() and sorted() by using type specialized comparisons when
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possible.
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..
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.. bpo: 32685
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.. date: 2018-01-28-12-25-06
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.. nonce: nGctze
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.. section: Core and Builtins
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Improve suggestion when the Python 2 form of print statement is either
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present on the same line as the header of a compound statement or else
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terminated by a semi-colon instead of a newline. Patch by Nitish Chandra.
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..
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.. bpo: 32697
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.. date: 2018-01-28-09-52-12
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.. nonce: RHlu6k
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.. section: Core and Builtins
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Python now explicitly preserves the definition order of keyword-only
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parameters. It's always preserved their order, but this behavior was never
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guaranteed before; this behavior is now guaranteed and tested.
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..
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.. bpo: 32690
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.. date: 2018-01-28-09-26-07
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.. nonce: 8i9g5P
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.. section: Core and Builtins
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The locals() dictionary now displays in the lexical order that variables
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were defined. Previously, the order was reversed.
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..
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.. bpo: 32677
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.. date: 2018-01-26-20-11-09
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.. nonce: xTGfCq
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.. section: Core and Builtins
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Add ``.isascii()`` method to ``str``, ``bytes`` and ``bytearray``. It can be
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used to test that string contains only ASCII characters.
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..
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.. bpo: 32670
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.. date: 2018-01-25-17-03-46
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.. nonce: YsqJUC
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.. section: Core and Builtins
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Enforce :pep:`479` for all code.
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This means that manually raising a StopIteration exception from a generator
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is prohibited for all code, regardless of whether 'from __future__ import
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generator_stop' was used or not.
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..
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.. bpo: 32591
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.. date: 2018-01-20-00-50-33
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.. nonce: 666kl6
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.. section: Core and Builtins
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Added built-in support for tracking the origin of coroutine objects; see
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sys.set_coroutine_origin_tracking_depth and CoroutineType.cr_origin. This
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replaces the asyncio debug mode's use of coroutine wrapping for native
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coroutine objects.
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..
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.. bpo: 31368
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.. date: 2018-01-19-01-54-22
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.. nonce: kzKqUR
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.. section: Core and Builtins
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Expose preadv and pwritev system calls in the os module. Patch by Pablo
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Galindo
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..
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.. bpo: 32544
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.. date: 2018-01-16-18-51-58
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.. nonce: ga-cFE
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.. section: Core and Builtins
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``hasattr(obj, name)`` and ``getattr(obj, name, default)`` are about 4 times
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faster than before when ``name`` is not found and ``obj`` doesn't override
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``__getattr__`` or ``__getattribute__``.
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..
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.. bpo: 26163
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.. date: 2018-01-14-20-32-47
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.. nonce: xv9Iuv
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.. section: Core and Builtins
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Improved frozenset() hash to create more distinct hash values when faced
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with datasets containing many similar values.
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..
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.. bpo: 32550
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.. date: 2018-01-14-12-42-17
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.. nonce: k0EK-4
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.. section: Core and Builtins
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Remove the STORE_ANNOTATION bytecode.
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..
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.. bpo: 20104
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.. date: 2018-01-06-01-14-53
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.. nonce: 9DkKb8
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.. section: Core and Builtins
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Expose posix_spawn as a low level API in the os module.
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(removed before 3.7.0rc1)
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..
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.. bpo: 24340
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.. date: 2018-01-01-21-59-31
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.. nonce: hmKBvg
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.. section: Core and Builtins
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Fixed estimation of the code stack size.
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..
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.. bpo: 32436
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.. date: 2017-12-28-00-20-42
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.. nonce: H159Jv
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.. section: Core and Builtins
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Implement :pep:`567` Context Variables.
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..
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.. bpo: 18533
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.. date: 2017-12-13-16-46-23
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.. nonce: Dlk8d7
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.. section: Core and Builtins
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``repr()`` on a dict containing its own ``values()`` or ``items()`` no
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longer raises ``RecursionError``; OrderedDict similarly. Instead, use
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``...``, as for other recursive structures. Patch by Ben North.
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..
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.. bpo: 20891
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.. date: 2017-12-04-18-34-11
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.. nonce: C2TsfR
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.. section: Core and Builtins
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Py_Initialize() now creates the GIL. The GIL is no longer created "on
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demand" to fix a race condition when PyGILState_Ensure() is called in a
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non-Python thread.
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..
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.. bpo: 32028
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.. date: 2017-12-03-22-29-13
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.. nonce: KC2w4Q
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.. section: Core and Builtins
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Leading whitespace is now correctly ignored when generating suggestions for
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converting Py2 print statements to Py3 builtin print function calls. Patch
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by Sanyam Khurana.
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..
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.. bpo: 31179
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.. date: 2017-08-10-17-32-48
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.. nonce: XcgLYI
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.. section: Core and Builtins
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Make dict.copy() up to 5.5 times faster.
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..
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.. bpo: 31113
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.. date: 2017-08-07-16-46-56
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.. nonce: XgNEFg
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.. section: Core and Builtins
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Get rid of recursion in the compiler for normal control flow.
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..
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.. bpo: 25988
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.. date: 2018-01-28-23-48-45
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.. nonce: I9uBct
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.. section: Library
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Deprecate exposing the contents of collections.abc in the regular
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collections module.
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..
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.. bpo: 31429
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.. date: 2018-01-28-22-40-05
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.. nonce: qNt8rQ
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.. section: Library
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The default cipher suite selection of the ssl module now uses a blacklist
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approach rather than a hard-coded whitelist. Python no longer re-enables
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ciphers that have been blocked by OpenSSL security update. Default cipher
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suite selection can be configured on compile time.
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..
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.. bpo: 30306
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.. date: 2018-01-28-14-10-51
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.. nonce: TmKMXi
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.. section: Library
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contextlib.contextmanager now releases the arguments passed to the
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underlying generator as soon as the context manager is entered. Previously
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it would keep them alive for as long as the context manager was alive, even
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when not being used as a function decorator. Patch by Martin Teichmann.
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..
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.. bpo: 21417
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.. date: 2018-01-28-07-55-10
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.. nonce: JFnV99
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.. section: Library
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Added support for setting the compression level for zipfile.ZipFile.
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..
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.. bpo: 32251
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.. date: 2018-01-28-01-21-47
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.. nonce: fOA5qB
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.. section: Library
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Implement asyncio.BufferedProtocol (provisional API).
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..
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.. bpo: 32513
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.. date: 2018-01-27-11-20-16
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.. nonce: ak-iD2
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.. section: Library
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In dataclasses, allow easier overriding of dunder methods without specifying
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decorator parameters.
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..
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.. bpo: 32660
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.. date: 2018-01-26-01-26-00
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.. nonce: tVJIWV
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.. section: Library
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:mod:`termios` makes available ``FIONREAD``, ``FIONCLEX``, ``FIOCLEX``,
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``FIOASYNC`` and ``FIONBIO`` also under Solaris/derivatives.
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..
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.. bpo: 27931
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.. date: 2018-01-25-21-04-11
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.. nonce: e4r52t
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.. section: Library
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Fix email address header parsing error when the username is an empty quoted
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string. Patch by Xiang Zhang.
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..
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.. bpo: 32659
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.. date: 2018-01-25-03-46-00
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.. nonce: VHYoON
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.. section: Library
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Under Solaris and derivatives, :class:`os.stat_result` provides a st_fstype
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attribute.
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..
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.. bpo: 32662
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.. date: 2018-01-25-01-45-30
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.. nonce: oabhd8
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.. section: Library
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Implement Server.start_serving(), Server.serve_forever(), and
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Server.is_serving() methods. Add 'start_serving' keyword parameter to
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loop.create_server() and loop.create_unix_server().
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..
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.. bpo: 32391
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.. date: 2018-01-24-15-20-12
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.. nonce: 0f8MY9
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.. section: Library
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Implement :meth:`asyncio.StreamWriter.wait_closed` and
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:meth:`asyncio.StreamWriter.is_closing` methods
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..
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.. bpo: 32643
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.. date: 2018-01-24-00-32-58
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.. nonce: VWipsW
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.. section: Library
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Make Task._step, Task._wakeup and Future._schedule_callbacks methods
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private.
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..
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.. bpo: 32630
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.. date: 2018-01-23-01-57-36
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.. nonce: 6KRHBs
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.. section: Library
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Refactor decimal module to use contextvars to store decimal context.
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..
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.. bpo: 32622
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.. date: 2018-01-22-18-18-44
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.. nonce: A1D6FP
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.. section: Library
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Add :meth:`asyncio.AbstractEventLoop.sendfile` method.
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..
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.. bpo: 32304
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.. date: 2018-01-21-16-33-53
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.. nonce: TItrNv
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.. section: Library
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distutils' upload command no longer corrupts tar files ending with a CR
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byte, and no longer tries to convert CR to CRLF in any of the upload text
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fields.
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..
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.. bpo: 32502
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.. date: 2018-01-20-17-15-34
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.. nonce: OXJfn7
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.. section: Library
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uuid.uuid1 no longer raises an exception if a 64-bit hardware address is
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encountered.
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..
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.. bpo: 32596
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.. date: 2018-01-19-19-57-45
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.. nonce: 4aVIie
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.. section: Library
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``concurrent.futures`` imports ``ThreadPoolExecutor`` and
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``ProcessPoolExecutor`` lazily (using :pep:`562`). It makes ``import
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asyncio`` about 15% faster because asyncio uses only ``ThreadPoolExecutor``
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by default.
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..
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.. bpo: 31801
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.. date: 2018-01-18-13-47-40
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.. nonce: 3UGH1h
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.. section: Library
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Add ``_ignore_`` to ``Enum`` so temporary variables can be used during class
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construction without being turned into members.
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..
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.. bpo: 32576
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.. date: 2018-01-17-13-04-16
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.. nonce: iDL09t
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.. section: Library
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Use queue.SimpleQueue() in places where it can be invoked from a weakref
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callback.
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..
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.. bpo: 32574
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.. date: 2018-01-16-20-37-28
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.. nonce: ru8eZ9
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.. section: Library
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Fix memory leak in asyncio.Queue, when the queue has limited size and it is
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full, the cancellation of queue.put() can cause a memory leak. Patch by: José
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Melero.
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..
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.. bpo: 32521
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.. date: 2018-01-15-12-53-13
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.. nonce: IxX4Ba
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.. section: Library
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The nis module is now compatible with new libnsl and headers location.
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..
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.. bpo: 32467
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.. date: 2018-01-11-00-33-42
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.. nonce: YVEOv6
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.. section: Library
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collections.abc.ValuesView now inherits from collections.abc.Collection.
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..
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.. bpo: 32473
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.. date: 2018-01-10-20-37-59
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.. nonce: mP_yJG
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.. section: Library
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Improve ABCMeta._dump_registry() output readability
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..
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.. bpo: 32102
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.. date: 2018-01-10-18-04-21
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.. nonce: 9-CZgD
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.. section: Library
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New argument ``capture_output`` for subprocess.run
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..
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.. bpo: 32521
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.. date: 2018-01-08-18-02-33
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.. nonce: Kh-KoN
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.. section: Library
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glibc has removed Sun RPC. Use replacement libtirpc headers and library in
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nis module.
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..
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.. bpo: 32493
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.. date: 2018-01-08-15-53-37
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.. nonce: vTXxGN
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.. section: Library
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UUID module fixes build for FreeBSD/OpenBSD
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..
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.. bpo: 32503
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.. date: 2018-01-07-09-22-26
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.. nonce: ViMxpD
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.. section: Library
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Pickling with protocol 4 no longer creates too small frames.
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..
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.. bpo: 29237
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.. date: 2018-01-04-14-45-33
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.. nonce: zenYA6
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.. section: Library
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Create enum for pstats sorting options
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..
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.. bpo: 32454
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.. date: 2017-12-30-10-38-05
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.. nonce: wsZnl-
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.. section: Library
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Add close(fd) function to the socket module.
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..
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.. bpo: 25942
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.. date: 2017-12-27-20-15-51
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.. nonce: Giyr8v
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.. section: Library
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The subprocess module is now more graceful when handling a Ctrl-C
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KeyboardInterrupt during subprocess.call, subprocess.run, or a Popen context
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manager. It now waits a short amount of time for the child (presumed to
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have also gotten the SIGINT) to exit, before continuing the
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KeyboardInterrupt exception handling. This still includes a SIGKILL in the
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call() and run() APIs, but at least the child had a chance first.
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..
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.. bpo: 32433
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.. date: 2017-12-27-20-09-27
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.. nonce: vmxsVI
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.. section: Library
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The hmac module now has hmac.digest(), which provides an optimized HMAC
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digest.
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..
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.. bpo: 28134
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.. date: 2017-12-24-20-01-09
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.. nonce: HJ8Beb
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.. section: Library
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Sockets now auto-detect family, type and protocol from file descriptor by
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default.
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..
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.. bpo: 32404
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.. date: 2017-12-23-14-54-05
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.. nonce: yJqtlJ
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.. section: Library
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Fix bug where :meth:`datetime.datetime.fromtimestamp` did not call __new__
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in :class:`datetime.datetime` subclasses.
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..
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.. bpo: 32403
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.. date: 2017-12-23-14-51-46
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.. nonce: CVFapH
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.. section: Library
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Improved speed of :class:`datetime.date` and :class:`datetime.datetime`
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alternate constructors.
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..
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.. bpo: 32228
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.. date: 2017-12-22-16-47-41
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.. nonce: waPx3q
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.. section: Library
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Ensure that ``truncate()`` preserves the file position (as reported by
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``tell()``) after writes longer than the buffer size.
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..
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.. bpo: 32410
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.. date: 2017-12-22-16-05-01
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.. nonce: 8JzhvH
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.. section: Library
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Implement ``loop.sock_sendfile`` for asyncio event loop.
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..
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.. bpo: 22908
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.. date: 2017-12-21-22-00-11
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.. nonce: cVm89I
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.. section: Library
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Added seek and tell to the ZipExtFile class. This only works if the file
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object used to open the zipfile is seekable.
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..
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.. bpo: 32373
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.. date: 2017-12-19-09-23-46
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.. nonce: 8qAkoW
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.. section: Library
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Add socket.getblocking() method.
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..
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.. bpo: 32248
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.. date: 2017-12-15-15-34-12
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.. nonce: zmO8G2
|
|
.. section: Library
|
|
|
|
Add :mod:`importlib.resources` and :class:`importlib.abc.ResourceReader` as
|
|
the unified API for reading resources contained within packages. Loaders
|
|
wishing to support resource reading must implement the
|
|
:meth:`get_resource_reader` method. File-based and zipimport-based
|
|
loaders both implement these APIs. :class:`importlib.abc.ResourceLoader` is
|
|
deprecated in favor of these new APIs.
|
|
|
|
..
|
|
|
|
.. bpo: 32320
|
|
.. date: 2017-12-14-01-36-25
|
|
.. nonce: jwOZlr
|
|
.. section: Library
|
|
|
|
collections.namedtuple() now supports default values.
|
|
|
|
..
|
|
|
|
.. bpo: 29302
|
|
.. date: 2017-12-11-15-14-55
|
|
.. nonce: Nczj9l
|
|
.. section: Library
|
|
|
|
Add contextlib.AsyncExitStack. Patch by Alexander Mohr and Ilya Kulakov.
|
|
|
|
..
|
|
|
|
.. bpo: 31961
|
|
.. date: 2017-11-08-03-38-20
|
|
.. nonce: x5Sv0R
|
|
.. section: Library
|
|
|
|
*Removed in Python 3.7.0b2.*
|
|
The *args* argument of subprocess.Popen can now be a :term:`path-like
|
|
object`. If *args* is given as a sequence, it's first element can now be a
|
|
:term:`path-like object` as well.
|
|
|
|
..
|
|
|
|
.. bpo: 31900
|
|
.. date: 2017-10-30-15-55-32
|
|
.. nonce: -S9xc4
|
|
.. section: Library
|
|
|
|
The :func:`locale.localeconv` function now sets temporarily the ``LC_CTYPE``
|
|
locale to the ``LC_NUMERIC`` locale to decode ``decimal_point`` and
|
|
``thousands_sep`` byte strings if they are non-ASCII or longer than 1 byte,
|
|
and the ``LC_NUMERIC`` locale is different than the ``LC_CTYPE`` locale.
|
|
This temporary change affects other threads.
|
|
Same change for the :meth:`str.format` method when formatting a number
|
|
(:class:`int`, :class:`float`, :class:`float` and subclasses) with the ``n``
|
|
type (ex: ``'{:n}'.format(1234)``).
|
|
|
|
..
|
|
|
|
.. bpo: 31853
|
|
.. date: 2017-10-23-22-55-51
|
|
.. nonce: h5fjrP
|
|
.. section: Library
|
|
|
|
Use super().method instead of socket.method in SSLSocket. They were there
|
|
most likely for legacy reasons.
|
|
|
|
..
|
|
|
|
.. bpo: 31399
|
|
.. date: 2017-09-08-14-05-33
|
|
.. nonce: FtBrrt
|
|
.. section: Library
|
|
|
|
The ssl module now uses OpenSSL's X509_VERIFY_PARAM_set1_host() and
|
|
X509_VERIFY_PARAM_set1_ip() API to verify hostname and IP addresses. Subject
|
|
common name fallback can be disabled with
|
|
SSLContext.hostname_checks_common_name.
|
|
|
|
..
|
|
|
|
.. bpo: 14976
|
|
.. date: 2017-09-07-19-12-47
|
|
.. nonce: dx0Zxb
|
|
.. section: Library
|
|
|
|
Add a queue.SimpleQueue class, an unbounded FIFO queue with a reentrant C
|
|
implementation of put().
|
|
|
|
..
|
|
|
|
.. bpo: 32724
|
|
.. date: 2018-01-30-09-00-19
|
|
.. nonce: qPIaM-
|
|
.. section: Documentation
|
|
|
|
Add references to some commands in the documentation of Pdb. Patch by
|
|
Stéphane Wirtel
|
|
|
|
..
|
|
|
|
.. bpo: 32649
|
|
.. date: 2018-01-27-23-36-31
|
|
.. nonce: o7qOjF
|
|
.. section: Documentation
|
|
|
|
Complete the C API documentation, profiling and tracing part with the newly
|
|
added per-opcode events.
|
|
|
|
..
|
|
|
|
.. bpo: 17799
|
|
.. date: 2018-01-22-21-13-46
|
|
.. nonce: rdZ-Vk
|
|
.. section: Documentation
|
|
|
|
Explain real behaviour of sys.settrace and sys.setprofile and their C-API
|
|
counterparts regarding which type of events are received in each function.
|
|
Patch by Pablo Galindo Salgado.
|
|
|
|
..
|
|
|
|
.. bpo: 32721
|
|
.. date: 2018-01-29-21-30-44
|
|
.. nonce: 2Bebm1
|
|
.. section: Tests
|
|
|
|
Fix test_hashlib to not fail if the _md5 module is not built.
|
|
|
|
..
|
|
|
|
.. bpo: 28414
|
|
.. date: 2018-01-28-21-19-13
|
|
.. nonce: a6Onzt
|
|
.. section: Tests
|
|
|
|
Add test cases for IDNA 2003 and 2008 host names. IDNA 2003
|
|
internationalized host names are working since bpo-31399 has landed. IDNA
|
|
2008 are still broken.
|
|
|
|
..
|
|
|
|
.. bpo: 32604
|
|
.. date: 2018-01-26-21-29-09
|
|
.. nonce: 7iazNx
|
|
.. section: Tests
|
|
|
|
Add a new "_xxsubinterpreters" extension module that exposes the existing
|
|
subinterpreter C-API and a new cross-interpreter data sharing mechanism. The
|
|
module is primarily intended for more thorough testing of the existing
|
|
subinterpreter support.
|
|
Note that the _xxsubinterpreters module has been removed in 3.7.0rc1.
|
|
|
|
..
|
|
|
|
.. bpo: 32602
|
|
.. date: 2018-01-19-20-47-11
|
|
.. nonce: dz41pq
|
|
.. section: Tests
|
|
|
|
Add test certs and test for ECDSA cert and EC/RSA dual mode.
|
|
|
|
..
|
|
|
|
.. bpo: 32549
|
|
.. date: 2018-01-14-11-40-22
|
|
.. nonce: fLwbVA
|
|
.. section: Tests
|
|
|
|
On Travis CI, Python now Compiles and uses a local copy of OpenSSL 1.1.0g
|
|
for testing.
|
|
|
|
..
|
|
|
|
.. bpo: 32635
|
|
.. date: 2018-01-23-15-33-40
|
|
.. nonce: qHwIZy
|
|
.. section: Build
|
|
|
|
Fix segfault of the crypt module when libxcrypt is provided instead of
|
|
libcrypt at the system.
|
|
|
|
..
|
|
|
|
.. bpo: 32598
|
|
.. date: 2018-01-19-14-50-19
|
|
.. nonce: hP7bMV
|
|
.. section: Build
|
|
|
|
Use autoconf to detect OpenSSL libs, headers and supported features. The
|
|
ax_check_openssl M4 macro uses pkg-config to locate OpenSSL and falls back
|
|
to manual search.
|
|
|
|
..
|
|
|
|
.. bpo: 32593
|
|
.. date: 2018-01-18-11-10-52
|
|
.. nonce: XIrf3v
|
|
.. section: Build
|
|
|
|
Drop support of FreeBSD 9 and older.
|
|
|
|
..
|
|
|
|
.. bpo: 29708
|
|
.. date: 2018-01-16-08-32-49
|
|
.. nonce: YCaHEx
|
|
.. section: Build
|
|
|
|
If the :envvar:`SOURCE_DATE_EPOCH` environment variable is set,
|
|
:mod:`py_compile` will always create hash-based ``.pyc`` files.
|
|
|
|
..
|
|
|
|
.. bpo: 32588
|
|
.. date: 2018-01-18-14-56-45
|
|
.. nonce: vHww6F
|
|
.. section: Windows
|
|
|
|
Create standalone _distutils_findvs module and add missing _queue module to
|
|
installer.
|
|
|
|
..
|
|
|
|
.. bpo: 29911
|
|
.. date: 2018-01-07-12-33-21
|
|
.. nonce: ewSJKb
|
|
.. section: Windows
|
|
|
|
Ensure separate Modify and Uninstall buttons are displayed.
|
|
|
|
..
|
|
|
|
.. bpo: 32507
|
|
.. date: 2018-01-07-12-32-49
|
|
.. nonce: vB4gxk
|
|
.. section: Windows
|
|
|
|
Use app-local UCRT install rather than the proper update for old versions of
|
|
Windows.
|
|
|
|
..
|
|
|
|
.. bpo: 32726
|
|
.. date: 2018-01-30-07-13-10
|
|
.. nonce: tcARLK
|
|
.. section: macOS
|
|
|
|
Provide an additional, more modern macOS installer variant that supports
|
|
macOS 10.9+ systems in 64-bit mode only. Upgrade the supplied third-party
|
|
libraries to OpenSSL 1.1.0g and to SQLite 3.22.0. The 10.9+ installer now
|
|
links with and supplies its own copy of Tcl/Tk 8.6.
|
|
|
|
..
|
|
|
|
.. bpo: 28440
|
|
.. date: 2018-01-30-04-40-12
|
|
.. nonce: W_BUWU
|
|
.. section: macOS
|
|
|
|
No longer add /Library/Python/3.x/site-packages to sys.path for macOS
|
|
framework builds to avoid future conflicts.
|
|
|
|
..
|
|
|
|
.. bpo: 32681
|
|
.. date: 2018-01-26-17-29-29
|
|
.. nonce: N1ruWa
|
|
.. section: C API
|
|
|
|
Fix uninitialized variable 'res' in the C implementation of os.dup2. Patch
|
|
by Stéphane Wirtel
|
|
|
|
..
|
|
|
|
.. bpo: 10381
|
|
.. date: 2017-12-28-15-22-05
|
|
.. nonce: a1E6aF
|
|
.. section: C API
|
|
|
|
Add C API access to the ``datetime.timezone`` constructor and
|
|
``datetime.timezone.UTC`` singleton.
|