mirror of
https://github.com/python/cpython.git
synced 2025-12-31 04:23:37 +00:00
Python 3.14.0rc1
This commit is contained in:
Hugo van Kemenade
parent
70990ed5ca
commit
48f8831004
36 changed files with 340 additions and 77 deletions
|
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@ -20,11 +20,11 @@
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#define PY_MAJOR_VERSION 3
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#define PY_MINOR_VERSION 14
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#define PY_MICRO_VERSION 0
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_BETA
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#define PY_RELEASE_SERIAL 4
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_GAMMA
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#define PY_RELEASE_SERIAL 1
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/* Version as a string */
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#define PY_VERSION "3.14.0b4+"
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#define PY_VERSION "3.14.0rc1"
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/*--end constants--*/
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@ -1,4 +1,4 @@
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# Autogenerated by Sphinx on Tue Jul 8 11:57:16 2025
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# Autogenerated by Sphinx on Tue Jul 22 19:42:37 2025
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# as part of the release process.
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topics = {
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@ -2328,7 +2328,8 @@ A literal pattern corresponds to most literals in Python. Syntax:
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The rule "strings" and the token "NUMBER" are defined in the standard
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Python grammar. Triple-quoted strings are supported. Raw strings and
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byte strings are supported. f-strings are not supported.
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byte strings are supported. f-strings and t-strings are not
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supported.
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The forms "signed_number '+' NUMBER" and "signed_number '-' NUMBER"
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are for expressing complex numbers; they require a real number on the
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@ -5232,9 +5233,9 @@ expression list.
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The "str.format()" method and the "Formatter" class share the same
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syntax for format strings (although in the case of "Formatter",
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subclasses can define their own format string syntax). The syntax is
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related to that of formatted string literals, but it is less
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sophisticated and, in particular, does not support arbitrary
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expressions.
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related to that of formatted string literals and template string
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literals, but it is less sophisticated and, in particular, does not
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support arbitrary expressions.
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Format strings contain “replacement fields” surrounded by curly braces
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"{}". Anything that is not contained in braces is considered literal
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@ -5334,9 +5335,9 @@ Format Specification Mini-Language
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“Format specifications” are used within replacement fields contained
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within a format string to define how individual values are presented
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(see Format String Syntax and f-strings). They can also be passed
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directly to the built-in "format()" function. Each formattable type
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may define how the format specification is to be interpreted.
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(see Format String Syntax, f-strings, and t-strings). They can also be
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passed directly to the built-in "format()" function. Each formattable
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type may define how the format specification is to be interpreted.
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Most built-in types implement the following options for format
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specifications, although some of the formatting options are only
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@ -10264,10 +10265,10 @@ added as a synonym of "'br'".Support for the unicode legacy literal
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("u'value'") was reintroduced to simplify the maintenance of dual
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Python 2.x and 3.x codebases. See **PEP 414** for more information.
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A string literal with "'f'" or "'F'" in its prefix is a *formatted
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string literal*; see f-strings. The "'f'" may be combined with "'r'",
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but not with "'b'" or "'u'", therefore raw formatted strings are
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possible, but formatted bytes literals are not.
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A string literal with "f" or "F" in its prefix is a *formatted string
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literal*; see f-strings. The "f" may be combined with "r", but not
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with "b" or "u", therefore raw formatted strings are possible, but
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formatted bytes literals are not.
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In triple-quoted literals, unescaped newlines and quotes are allowed
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(and are retained), except that three unescaped quotes in a row
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@ -12703,7 +12704,9 @@ accepts integers that meet the value restriction "0 <= x <= 255").
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| | replaced by the contents of the | |
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| | iterable *t* | |
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+--------------------------------+----------------------------------+-----------------------+
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| "del s[i:j]" | same as "s[i:j] = []" | |
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| "del s[i:j]" | removes the elements of "s[i:j]" | |
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| | from the list (same as "s[i:j] = | |
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| | []") | |
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+--------------------------------+----------------------------------+-----------------------+
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| "s[i:j:k] = t" | the elements of "s[i:j:k]" are | (1) |
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| | replaced by those of *t* | |
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@ -13033,7 +13036,9 @@ accepts integers that meet the value restriction "0 <= x <= 255").
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| | replaced by the contents of the | |
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| | iterable *t* | |
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+--------------------------------+----------------------------------+-----------------------+
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| "del s[i:j]" | same as "s[i:j] = []" | |
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| "del s[i:j]" | removes the elements of "s[i:j]" | |
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| | from the list (same as "s[i:j] = | |
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| | []") | |
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+--------------------------------+----------------------------------+-----------------------+
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| "s[i:j:k] = t" | the elements of "s[i:j:k]" are | (1) |
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| | replaced by those of *t* | |
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|
|
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316
Misc/NEWS.d/3.14.0rc1.rst
Normal file
316
Misc/NEWS.d/3.14.0rc1.rst
Normal file
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@ -0,0 +1,316 @@
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.. date: 2025-07-05-15-10-42
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.. gh-issue: 136251
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.. nonce: GRM6o8
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.. release date: 2025-07-22
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||||
.. section: Tools/Demos
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||||
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Fixes and usability improvements for ``Tools/wasm/emscripten/web_example``
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|
||||
..
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|
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.. date: 2025-07-21-14-15-25
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.. gh-issue: 135661
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||||
.. nonce: nAxXw5
|
||||
.. section: Security
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||||
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Fix parsing attributes with whitespaces around the ``=`` separator in
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:class:`html.parser.HTMLParser` according to the HTML5 standard.
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|
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..
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.. date: 2025-06-09-20-38-25
|
||||
.. gh-issue: 118350
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.. nonce: KgWCcP
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.. section: Security
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Fix support of escapable raw text mode (elements "textarea" and "title") in
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:class:`html.parser.HTMLParser`.
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|
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..
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.. date: 2025-07-21-22-35-50
|
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.. gh-issue: 136170
|
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.. nonce: QUlc78
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.. section: Library
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Removed the unreleased ``zipfile.ZipFile.data_offset`` property added in
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3.14.0a7 as it wasn't fully clear which behavior it should have in some
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situations so the result was not always what a user might expect.
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|
||||
..
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.. date: 2025-07-21-16-10-24
|
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.. gh-issue: 124621
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||||
.. nonce: wyoWc1
|
||||
.. section: Library
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pyrepl now works in Emscripten.
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|
||||
..
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||||
|
||||
.. date: 2025-07-20-16-02-00
|
||||
.. gh-issue: 136874
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.. nonce: cLC3o1
|
||||
.. section: Library
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||||
|
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Discard URL query and fragment in :func:`urllib.request.url2pathname`.
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|
||||
..
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||||
|
||||
.. date: 2025-07-19-16-20-54
|
||||
.. gh-issue: 130645
|
||||
.. nonce: O-dYcN
|
||||
.. section: Library
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||||
|
||||
Enable color help by default in :mod:`argparse`.
|
||||
|
||||
..
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||||
|
||||
.. date: 2025-07-11-23-04-39
|
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.. gh-issue: 136549
|
||||
.. nonce: oAi8u4
|
||||
.. section: Library
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||||
|
||||
Fix signature of :func:`threading.excepthook`.
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|
||||
..
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||||
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.. date: 2025-07-11-03-39-15
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.. gh-issue: 136523
|
||||
.. nonce: s7caKL
|
||||
.. section: Library
|
||||
|
||||
Fix :class:`wave.Wave_write` emitting an unraisable when open raises.
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|
||||
..
|
||||
|
||||
.. date: 2025-07-10-10-18-19
|
||||
.. gh-issue: 52876
|
||||
.. nonce: 9Vjrd8
|
||||
.. section: Library
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||||
|
||||
Add missing ``keepends`` (default ``True``) parameter to
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:meth:`!codecs.StreamReaderWriter.readline` and
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:meth:`!codecs.StreamReaderWriter.readlines`.
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||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-10-00-47-37
|
||||
.. gh-issue: 136470
|
||||
.. nonce: KlUEUG
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||||
.. section: Library
|
||||
|
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Correct :class:`concurrent.futures.InterpreterPoolExecutor`'s default thread
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name.
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|
||||
..
|
||||
|
||||
.. date: 2025-07-09-20-29-30
|
||||
.. gh-issue: 136476
|
||||
.. nonce: HyLLzh
|
||||
.. section: Library
|
||||
|
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Fix a bug that was causing the ``get_async_stack_trace`` function to miss
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some frames in the stack trace.
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|
||||
..
|
||||
|
||||
.. date: 2025-07-08-20-58-01
|
||||
.. gh-issue: 136434
|
||||
.. nonce: uuJsjS
|
||||
.. section: Library
|
||||
|
||||
Fix docs generation of ``UnboundItem`` in :mod:`concurrent.interpreters`
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when running with :option:`-OO`.
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|
||||
..
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||||
|
||||
.. date: 2025-07-07-22-12-32
|
||||
.. gh-issue: 136380
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||||
.. nonce: 1b_nXl
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||||
.. section: Library
|
||||
|
||||
Raises :exc:`AttributeError` when accessing
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:class:`concurrent.futures.InterpreterPoolExecutor` and subinterpreters are
|
||||
not available.
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|
||||
..
|
||||
|
||||
.. date: 2025-06-28-11-32-57
|
||||
.. gh-issue: 134759
|
||||
.. nonce: AjjKcG
|
||||
.. section: Library
|
||||
|
||||
Fix :exc:`UnboundLocalError` in :func:`email.message.Message.get_payload`
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when the payload to decode is a :class:`bytes` object. Patch by Kliment
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||||
Lamonov.
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|
||||
..
|
||||
|
||||
.. date: 2025-05-25-11-02-05
|
||||
.. gh-issue: 134657
|
||||
.. nonce: 3YFhR9
|
||||
.. section: Library
|
||||
|
||||
:mod:`asyncio`: Remove some private names from ``asyncio.__all__``.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-19-12-37-05
|
||||
.. gh-issue: 136801
|
||||
.. nonce: XU_tF2
|
||||
.. section: Core and Builtins
|
||||
|
||||
Fix PyREPL syntax highlighting on match cases after multi-line case.
|
||||
Contributed by Olga Matoula.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-12-09-59-14
|
||||
.. gh-issue: 136421
|
||||
.. nonce: ZD1rNj
|
||||
.. section: Core and Builtins
|
||||
|
||||
Fix crash when initializing :mod:`datetime` concurrently.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-11-13-45-48
|
||||
.. gh-issue: 136541
|
||||
.. nonce: uZ_-Ju
|
||||
.. section: Core and Builtins
|
||||
|
||||
Fix some issues with the perf trampolines on x86-64 and aarch64. The
|
||||
trampolines were not being generated correctly for some cases, which could
|
||||
lead to the perf integration not working correctly. Patch by Pablo Galindo.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-10-23-23-50
|
||||
.. gh-issue: 136517
|
||||
.. nonce: _NHJyv
|
||||
.. section: Core and Builtins
|
||||
|
||||
Fixed a typo that prevented printing of uncollectable objects when the
|
||||
:const:`gc.DEBUG_UNCOLLECTABLE` mode was set.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-10-15-53-16
|
||||
.. gh-issue: 136525
|
||||
.. nonce: xAko0e
|
||||
.. section: Core and Builtins
|
||||
|
||||
Fix issue where per-thread bytecode was not instrumented for newly created
|
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threads.
|
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|
||||
..
|
||||
|
||||
.. date: 2025-07-08-23-53-51
|
||||
.. gh-issue: 132661
|
||||
.. nonce: B84iYt
|
||||
.. section: Core and Builtins
|
||||
|
||||
``Interpolation.expression`` now has a default, the empty string.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-08-23-22-08
|
||||
.. gh-issue: 132661
|
||||
.. nonce: 34ftJl
|
||||
.. section: Core and Builtins
|
||||
|
||||
Reflect recent :pep:`750` change.
|
||||
|
||||
Disallow concatenation of ``string.templatelib.Template`` and :class:`str`.
|
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Also, disallow implicit concatenation of t-string literals with string or
|
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f-string literals.
|
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|
||||
..
|
||||
|
||||
.. date: 2025-06-12-00-03-34
|
||||
.. gh-issue: 116738
|
||||
.. nonce: iBBAdo
|
||||
.. section: Core and Builtins
|
||||
|
||||
Make functions in :mod:`grp` thread-safe on the :term:`free threaded <free
|
||||
threading>` build.
|
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|
||||
..
|
||||
|
||||
.. date: 2025-06-06-02-24-42
|
||||
.. gh-issue: 135148
|
||||
.. nonce: r-t2sC
|
||||
.. section: Core and Builtins
|
||||
|
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Fixed a bug where f-string debug expressions (using =) would incorrectly
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strip out parts of strings containing escaped quotes and # characters. Patch
|
||||
by Pablo Galindo.
|
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|
||||
..
|
||||
|
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.. date: 2025-06-03-21-06-22
|
||||
.. gh-issue: 133136
|
||||
.. nonce: Usnvri
|
||||
.. section: Core and Builtins
|
||||
|
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Limit excess memory usage in the :term:`free threading` build when a large
|
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dictionary or list is resized and accessed by multiple threads.
|
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|
||||
..
|
||||
|
||||
.. date: 2025-05-17-20-56-05
|
||||
.. gh-issue: 91153
|
||||
.. nonce: afgtG2
|
||||
.. section: Core and Builtins
|
||||
|
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Fix a crash when a :class:`bytearray` is concurrently mutated during item
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assignment.
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|
||||
..
|
||||
|
||||
.. date: 2025-04-16-12-01-13
|
||||
.. gh-issue: 127971
|
||||
.. nonce: pMDOQ0
|
||||
.. section: Core and Builtins
|
||||
|
||||
Fix off-by-one read beyond the end of a string in string search.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-22-15-18-08
|
||||
.. gh-issue: 112068
|
||||
.. nonce: 4WvT-8
|
||||
.. section: C API
|
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|
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Revert support of nullable arguments in :c:func:`PyArg_Parse`.
|
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|
||||
..
|
||||
|
||||
.. date: 2025-06-24-11-10-01
|
||||
.. gh-issue: 133296
|
||||
.. nonce: lIEuVJ
|
||||
.. section: C API
|
||||
|
||||
New variants for the critical section API that accept one or two
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:c:type:`PyMutex` pointers rather than :c:type:`PyObject` instances are now
|
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public in the non-limited C API.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-05-20-17-13-51
|
||||
.. gh-issue: 134009
|
||||
.. nonce: CpCmry
|
||||
.. section: C API
|
||||
|
||||
Expose :c:func:`PyMutex_IsLocked` as part of the public C API.
|
||||
|
||||
..
|
||||
|
||||
.. date: 2025-07-18-17-15-00
|
||||
.. gh-issue: 135621
|
||||
.. nonce: 9cyCNb
|
||||
.. section: Build
|
||||
|
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PyREPL no longer depends on the :mod:`curses` standard library. Contributed
|
||||
by Łukasz Langa.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
PyREPL no longer depends on the :mod:`curses` standard library. Contributed
|
||||
by Łukasz Langa.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Expose :c:func:`PyMutex_IsLocked` as part of the public C API.
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
New variants for the critical section API that accept one or two
|
||||
:c:type:`PyMutex` pointers rather than :c:type:`PyObject` instances are now
|
||||
public in the non-limited C API.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Revert support of nullable arguments in :c:func:`PyArg_Parse`.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fix off-by-one read beyond the end of a string in string search.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fix a crash when a :class:`bytearray` is concurrently mutated during item assignment.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Limit excess memory usage in the :term:`free threading` build when a
|
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large dictionary or list is resized and accessed by multiple threads.
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
Fixed a bug where f-string debug expressions (using =) would incorrectly
|
||||
strip out parts of strings containing escaped quotes and # characters. Patch
|
||||
by Pablo Galindo.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Make functions in :mod:`grp` thread-safe on the :term:`free threaded <free threading>` build.
|
||||
|
|
@ -1,5 +0,0 @@
|
|||
Reflect recent :pep:`750` change.
|
||||
|
||||
Disallow concatenation of ``string.templatelib.Template`` and :class:`str`.
|
||||
Also, disallow implicit concatenation of t-string literals with string or
|
||||
f-string literals.
|
||||
|
|
@ -1 +0,0 @@
|
|||
``Interpolation.expression`` now has a default, the empty string.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fix issue where per-thread bytecode was not instrumented for newly created
|
||||
threads.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fixed a typo that prevented printing of uncollectable objects when the
|
||||
:const:`gc.DEBUG_UNCOLLECTABLE` mode was set.
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
Fix some issues with the perf trampolines on x86-64 and aarch64. The
|
||||
trampolines were not being generated correctly for some cases, which could
|
||||
lead to the perf integration not working correctly. Patch by Pablo Galindo.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fix crash when initializing :mod:`datetime` concurrently.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fix PyREPL syntax highlighting on match cases after multi-line case. Contributed by Olga Matoula.
|
||||
|
|
@ -1 +0,0 @@
|
|||
:mod:`asyncio`: Remove some private names from ``asyncio.__all__``.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fix :exc:`UnboundLocalError` in :func:`email.message.Message.get_payload` when
|
||||
the payload to decode is a :class:`bytes` object. Patch by Kliment Lamonov.
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
Raises :exc:`AttributeError` when accessing
|
||||
:class:`concurrent.futures.InterpreterPoolExecutor` and subinterpreters are
|
||||
not available.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fix docs generation of ``UnboundItem`` in :mod:`concurrent.interpreters`
|
||||
when running with :option:`-OO`.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fix a bug that was causing the ``get_async_stack_trace`` function to miss
|
||||
some frames in the stack trace.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Correct :class:`concurrent.futures.InterpreterPoolExecutor`'s default thread
|
||||
name.
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
Add missing ``keepends`` (default ``True``) parameter to
|
||||
:meth:`!codecs.StreamReaderWriter.readline` and
|
||||
:meth:`!codecs.StreamReaderWriter.readlines`.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fix :class:`wave.Wave_write` emitting an unraisable when open raises.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fix signature of :func:`threading.excepthook`.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Enable color help by default in :mod:`argparse`.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Discard URL query and fragment in :func:`urllib.request.url2pathname`.
|
||||
|
|
@ -1 +0,0 @@
|
|||
pyrepl now works in Emscripten.
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
Removed the unreleased ``zipfile.ZipFile.data_offset`` property added in 3.14.0a7
|
||||
as it wasn't fully clear which behavior it should have in some situations so
|
||||
the result was not always what a user might expect.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fix support of escapable raw text mode (elements "textarea" and "title")
|
||||
in :class:`html.parser.HTMLParser`.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
Fix parsing attributes with whitespaces around the ``=`` separator in
|
||||
:class:`html.parser.HTMLParser` according to the HTML5 standard.
|
||||
|
|
@ -1 +0,0 @@
|
|||
Fixes and usability improvements for ``Tools/wasm/emscripten/web_example``
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
This is Python version 3.14.0 beta 4
|
||||
====================================
|
||||
This is Python version 3.14.0 release candidate 1
|
||||
=================================================
|
||||
|
||||
.. image:: https://github.com/python/cpython/actions/workflows/build.yml/badge.svg?branch=main&event=push
|
||||
:alt: CPython build status on GitHub Actions
|
||||
|
|
|
|||
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