Mailman 3 January 2025 - Python-checkins

gh-124130: Fix a bug in matching regular expression \B in empty string (GH-127007)
by serhiy-storchaka Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/a3711d1541c1b7987941b41d2247f87dae… commit: a3711d1541c1b7987941b41d2247f87dae347117 branch: main author: Serhiy Storchaka <storchaka(a)gmail.com> committer: serhiy-storchaka <storchaka(a)gmail.com> date: 2025-01-02T12:11:21Z summary: gh-124130: Fix a bug in matching regular expression \B in empty string (GH-127007) files: A Misc/NEWS.d/next/Library/2024-11-19-10-46-57.gh-issue-124130.OZ_vR5.rst M Doc/library/re.rst M Doc/whatsnew/3.14.rst M Lib/test/test_re.py M Modules/_sre/sre_lib.h diff --git a/Doc/library/re.rst b/Doc/library/re.rst index 9db6f1da3be4db..29387a429b844c 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -572,11 +572,8 @@ character ``'$'``. Word boundaries are determined by the current locale if the :py:const:`~re.LOCALE` flag is used. - .. note:: - - Note that ``\B`` does not match an empty string, which differs from - RE implementations in other programming languages such as Perl. - This behavior is kept for compatibility reasons. + .. versionchanged:: next + ``\B`` now matches empty input string. .. index:: single: \d; in regular expressions diff --git a/Doc/whatsnew/3.14.rst b/Doc/whatsnew/3.14.rst index 4b3f1b2e8eed42..61f5ffdb6c89d1 100644 --- a/Doc/whatsnew/3.14.rst +++ b/Doc/whatsnew/3.14.rst @@ -245,6 +245,10 @@ Other language changes making it a :term:`generic type`. (Contributed by Brian Schubert in :gh:`126012`.) +* ``\B`` in :mod:`regular expression <re>` now matches empty input string. + Now it is always the opposite of ``\b``. + (Contributed by Serhiy Storchaka in :gh:`124130`.) + * iOS and macOS apps can now be configured to redirect ``stdout`` and ``stderr`` content to the system log. (Contributed by Russell Keith-Magee in :gh:`127592`.) diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 0d3599be87f228..5538de60b2a03a 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -978,18 +978,15 @@ def test_word_boundaries(self): self.assertIsNone(re.fullmatch(br".+\B", b"abc", re.LOCALE)) self.assertIsNone(re.fullmatch(r".+\B", "ьюя")) self.assertTrue(re.fullmatch(r".+\B", "ьюя", re.ASCII)) - # However, an empty string contains no word boundaries, and also no - # non-boundaries. + # However, an empty string contains no word boundaries. self.assertIsNone(re.search(r"\b", "")) self.assertIsNone(re.search(r"\b", "", re.ASCII)) self.assertIsNone(re.search(br"\b", b"")) self.assertIsNone(re.search(br"\b", b"", re.LOCALE)) - # This one is questionable and different from the perlre behaviour, - # but describes current behavior. - self.assertIsNone(re.search(r"\B", "")) - self.assertIsNone(re.search(r"\B", "", re.ASCII)) - self.assertIsNone(re.search(br"\B", b"")) - self.assertIsNone(re.search(br"\B", b"", re.LOCALE)) + self.assertTrue(re.search(r"\B", "")) + self.assertTrue(re.search(r"\B", "", re.ASCII)) + self.assertTrue(re.search(br"\B", b"")) + self.assertTrue(re.search(br"\B", b"", re.LOCALE)) # A single word-character string has two boundaries, but no # non-boundary gaps. self.assertEqual(len(re.findall(r"\b", "a")), 2) diff --git a/Misc/NEWS.d/next/Library/2024-11-19-10-46-57.gh-issue-124130.OZ_vR5.rst b/Misc/NEWS.d/next/Library/2024-11-19-10-46-57.gh-issue-124130.OZ_vR5.rst new file mode 100644 index 00000000000000..a1d4fc8ff4c22f --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-11-19-10-46-57.gh-issue-124130.OZ_vR5.rst @@ -0,0 +1,4 @@ +Fix a bug in matching regular expression ``\B`` in empty input string. +Now it is always the opposite of ``\b``. +To get an old behavior, use ``(?!\A\Z)\B``. +To get a new behavior in old Python versions, use ``(?!\b)``. diff --git a/Modules/_sre/sre_lib.h b/Modules/_sre/sre_lib.h index af4bfc56083bcb..df377905bfae0d 100644 --- a/Modules/_sre/sre_lib.h +++ b/Modules/_sre/sre_lib.h @@ -42,8 +42,6 @@ SRE(at)(SRE_STATE* state, const SRE_CHAR* ptr, SRE_CODE at) return ((void*) ptr == state->end); case SRE_AT_BOUNDARY: - if (state->beginning == state->end) - return 0; thatp = ((void*) ptr > state->beginning) ? SRE_IS_WORD((int) ptr[-1]) : 0; thisp = ((void*) ptr < state->end) ? @@ -51,8 +49,6 @@ SRE(at)(SRE_STATE* state, const SRE_CHAR* ptr, SRE_CODE at) return thisp != thatp; case SRE_AT_NON_BOUNDARY: - if (state->beginning == state->end) - return 0; thatp = ((void*) ptr > state->beginning) ? SRE_IS_WORD((int) ptr[-1]) : 0; thisp = ((void*) ptr < state->end) ? @@ -60,8 +56,6 @@ SRE(at)(SRE_STATE* state, const SRE_CHAR* ptr, SRE_CODE at) return thisp == thatp; case SRE_AT_LOC_BOUNDARY: - if (state->beginning == state->end) - return 0; thatp = ((void*) ptr > state->beginning) ? SRE_LOC_IS_WORD((int) ptr[-1]) : 0; thisp = ((void*) ptr < state->end) ? @@ -69,8 +63,6 @@ SRE(at)(SRE_STATE* state, const SRE_CHAR* ptr, SRE_CODE at) return thisp != thatp; case SRE_AT_LOC_NON_BOUNDARY: - if (state->beginning == state->end) - return 0; thatp = ((void*) ptr > state->beginning) ? SRE_LOC_IS_WORD((int) ptr[-1]) : 0; thisp = ((void*) ptr < state->end) ? @@ -78,8 +70,6 @@ SRE(at)(SRE_STATE* state, const SRE_CHAR* ptr, SRE_CODE at) return thisp == thatp; case SRE_AT_UNI_BOUNDARY: - if (state->beginning == state->end) - return 0; thatp = ((void*) ptr > state->beginning) ? SRE_UNI_IS_WORD((int) ptr[-1]) : 0; thisp = ((void*) ptr < state->end) ? @@ -87,8 +77,6 @@ SRE(at)(SRE_STATE* state, const SRE_CHAR* ptr, SRE_CODE at) return thisp != thatp; case SRE_AT_UNI_NON_BOUNDARY: - if (state->beginning == state->end) - return 0; thatp = ((void*) ptr > state->beginning) ? SRE_UNI_IS_WORD((int) ptr[-1]) : 0; thisp = ((void*) ptr < state->end) ?

1 0

[3.13] gh-123925: Fix building curses on platforms without libncursesw (GH-128405) (GH-128407)
by serhiy-storchaka Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/261a604a887d6b62724f9dd6f52f042940… commit: 261a604a887d6b62724f9dd6f52f04294055db6f branch: 3.13 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: serhiy-storchaka <storchaka(a)gmail.com> date: 2025-01-02T12:01:40Z summary: [3.13] gh-123925: Fix building curses on platforms without libncursesw (GH-128405) (GH-128407) (cherry picked from commit 8d16919a06a55a50756bf083221a6f6cab43de50) Co-authored-by: Serhiy Storchaka <storchaka(a)gmail.com> files: A Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst M Modules/_cursesmodule.c diff --git a/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst b/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst new file mode 100644 index 00000000000000..a2a9c6fc7680b5 --- /dev/null +++ b/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst @@ -0,0 +1,2 @@ +Fix building the :mod:`curses` module on platforms with libncurses but +without libncursesw. diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c index 55038cf09c2876..a7cbe81226eb19 100644 --- a/Modules/_cursesmodule.c +++ b/Modules/_cursesmodule.c @@ -137,7 +137,7 @@ typedef chtype attr_t; /* No attr_t type is available */ #define STRICT_SYSV_CURSES #endif -#if NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401 +#if defined(HAVE_NCURSESW) && NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401 #define _NCURSES_EXTENDED_COLOR_FUNCS 1 #else #define _NCURSES_EXTENDED_COLOR_FUNCS 0

1 0

[3.12] gh-123925: Fix building curses on platforms without libncursesw (GH-128405) (GH-128408)
by serhiy-storchaka Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/84c884349002702f56999d1457055347a7… commit: 84c884349002702f56999d1457055347a7cb8a9a branch: 3.12 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: serhiy-storchaka <storchaka(a)gmail.com> date: 2025-01-02T11:54:43Z summary: [3.12] gh-123925: Fix building curses on platforms without libncursesw (GH-128405) (GH-128408) (cherry picked from commit 8d16919a06a55a50756bf083221a6f6cab43de50) Co-authored-by: Serhiy Storchaka <storchaka(a)gmail.com> files: A Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst M Modules/_cursesmodule.c diff --git a/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst b/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst new file mode 100644 index 00000000000000..a2a9c6fc7680b5 --- /dev/null +++ b/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst @@ -0,0 +1,2 @@ +Fix building the :mod:`curses` module on platforms with libncurses but +without libncursesw. diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c index b099959ea409b6..3fc7f88c61ede4 100644 --- a/Modules/_cursesmodule.c +++ b/Modules/_cursesmodule.c @@ -139,7 +139,7 @@ typedef chtype attr_t; /* No attr_t type is available */ #define STRICT_SYSV_CURSES #endif -#if NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401 +#if defined(HAVE_NCURSESW) && NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401 #define _NCURSES_EXTENDED_COLOR_FUNCS 1 #else #define _NCURSES_EXTENDED_COLOR_FUNCS 0

1 0

gh-123925: Fix building curses on platforms without libncursesw (GH-128405)
by serhiy-storchaka Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/8d16919a06a55a50756bf083221a6f6cab… commit: 8d16919a06a55a50756bf083221a6f6cab43de50 branch: main author: Serhiy Storchaka <storchaka(a)gmail.com> committer: serhiy-storchaka <storchaka(a)gmail.com> date: 2025-01-02T13:38:21+02:00 summary: gh-123925: Fix building curses on platforms without libncursesw (GH-128405) files: A Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst M Modules/_cursesmodule.c diff --git a/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst b/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst new file mode 100644 index 00000000000000..a2a9c6fc7680b5 --- /dev/null +++ b/Misc/NEWS.d/next/Build/2025-01-02-11-02-45.gh-issue-123925.TLlyUi.rst @@ -0,0 +1,2 @@ +Fix building the :mod:`curses` module on platforms with libncurses but +without libncursesw. diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c index 040ffa81153ebe..92961af381b9cb 100644 --- a/Modules/_cursesmodule.c +++ b/Modules/_cursesmodule.c @@ -138,7 +138,7 @@ typedef chtype attr_t; /* No attr_t type is available */ #define STRICT_SYSV_CURSES #endif -#if NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401 +#if defined(HAVE_NCURSESW) && NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401 #define _NCURSES_EXTENDED_COLOR_FUNCS 1 #else #define _NCURSES_EXTENDED_COLOR_FUNCS 0

1 0

gh-95371: Add support for other image formats(e.g. PNG) to the turtle… (#95378)
by hugovk Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/e1baa778f602ede66831eb34b9ef17f21e… commit: e1baa778f602ede66831eb34b9ef17f21e4d4347 branch: main author: Shin-myoung-serp <relent95(a)naver.com> committer: hugovk <1324225+hugovk(a)users.noreply.github.com> date: 2025-01-02T11:45:07+02:00 summary: gh-95371: Add support for other image formats(e.g. PNG) to the turtle… (#95378) Co-authored-by: Hugo van Kemenade <1324225+hugovk(a)users.noreply.github.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot](a)users.noreply.github.com> Co-authored-by: Oleg Iarygin <oleg(a)arhadthedev.net> files: A Misc/NEWS.d/next/Library/2022-07-28-12-32-59.gh-issue-95371.F24IFC.rst M Doc/library/turtle.rst M Lib/turtle.py diff --git a/Doc/library/turtle.rst b/Doc/library/turtle.rst index 8eb4f8271fcfae..512647f5f6e01f 100644 --- a/Doc/library/turtle.rst +++ b/Doc/library/turtle.rst @@ -1823,7 +1823,8 @@ Window control .. function:: bgpic(picname=None) - :param picname: a string, name of a gif-file or ``"nopic"``, or ``None`` + :param picname: a string, name of an image file (PNG, GIF, PGM, and PPM) + or ``"nopic"``, or ``None`` Set background image or return name of current backgroundimage. If *picname* is a filename, set the corresponding image as background. If *picname* is @@ -2200,9 +2201,9 @@ Settings and special methods .. function:: register_shape(name, shape=None) addshape(name, shape=None) - There are three different ways to call this function: + There are four different ways to call this function: - (1) *name* is the name of a gif-file and *shape* is ``None``: Install the + (1) *name* is the name of an image file (PNG, GIF, PGM, and PPM) and *shape* is ``None``: Install the corresponding image shape. :: >>> screen.register_shape("turtle.gif") @@ -2211,7 +2212,16 @@ Settings and special methods Image shapes *do not* rotate when turning the turtle, so they do not display the heading of the turtle! - (2) *name* is an arbitrary string and *shape* is a tuple of pairs of + (2) *name* is an arbitrary string and *shape* is the name of an image file (PNG, GIF, PGM, and PPM): Install the + corresponding image shape. :: + + >>> screen.register_shape("turtle", "turtle.gif") + + .. note:: + Image shapes *do not* rotate when turning the turtle, so they do not + display the heading of the turtle! + + (3) *name* is an arbitrary string and *shape* is a tuple of pairs of coordinates: Install the corresponding polygon shape. .. doctest:: @@ -2219,12 +2229,16 @@ Settings and special methods >>> screen.register_shape("triangle", ((5,-3), (0,5), (-5,-3))) - (3) *name* is an arbitrary string and *shape* is a (compound) :class:`Shape` + (4) *name* is an arbitrary string and *shape* is a (compound) :class:`Shape` object: Install the corresponding compound shape. Add a turtle shape to TurtleScreen's shapelist. Only thusly registered shapes can be used by issuing the command ``shape(shapename)``. + .. versionchanged:: next + Added support for PNG, PGM, and PPM image formats. + Both a shape name and an image file name can be specified. + .. function:: turtles() diff --git a/Lib/turtle.py b/Lib/turtle.py index 8a5801f2efe625..1320cfd93fd6db 100644 --- a/Lib/turtle.py +++ b/Lib/turtle.py @@ -51,7 +51,7 @@ turtle. So the turtles can more easily be used as a visual feedback instrument by the (beginning) programmer. -- Different turtle shapes, gif-images as turtle shapes, user defined +- Different turtle shapes, image files as turtle shapes, user defined and user controllable turtle shapes, among them compound (multicolored) shapes. Turtle shapes can be stretched and tilted, which makes turtles very versatile geometrical objects. @@ -468,7 +468,7 @@ def _blankimage(self): def _image(self, filename): """return an image object containing the - imagedata from a gif-file named filename. + imagedata from an image file named filename. """ return TK.PhotoImage(file=filename, master=self.cv) @@ -872,10 +872,7 @@ def __init__(self, type_, data=None): if isinstance(data, list): data = tuple(data) elif type_ == "image": - if isinstance(data, str): - if data.lower().endswith(".gif") and isfile(data): - data = TurtleScreen._image(data) - # else data assumed to be PhotoImage + assert(isinstance(data, TK.PhotoImage)) elif type_ == "compound": data = [] else: @@ -1100,14 +1097,18 @@ def register_shape(self, name, shape=None): """Adds a turtle shape to TurtleScreen's shapelist. Arguments: - (1) name is the name of a gif-file and shape is None. + (1) name is the name of an image file (PNG, GIF, PGM, and PPM) and shape is None. Installs the corresponding image shape. !! Image-shapes DO NOT rotate when turning the turtle, !! so they do not display the heading of the turtle! - (2) name is an arbitrary string and shape is a tuple + (2) name is an arbitrary string and shape is the name of an image file (PNG, GIF, PGM, and PPM). + Installs the corresponding image shape. + !! Image-shapes DO NOT rotate when turning the turtle, + !! so they do not display the heading of the turtle! + (3) name is an arbitrary string and shape is a tuple of pairs of coordinates. Installs the corresponding polygon shape - (3) name is an arbitrary string and shape is a + (4) name is an arbitrary string and shape is a (compound) Shape object. Installs the corresponding compound shape. To use a shape, you have to issue the command shape(shapename). @@ -1120,12 +1121,9 @@ def register_shape(self, name, shape=None): """ if shape is None: - # image - if name.lower().endswith(".gif"): - shape = Shape("image", self._image(name)) - else: - raise TurtleGraphicsError("Bad arguments for register_shape.\n" - + "Use help(register_shape)" ) + shape = Shape("image", self._image(name)) + elif isinstance(shape, str): + shape = Shape("image", self._image(shape)) elif isinstance(shape, tuple): shape = Shape("polygon", shape) ## else shape assumed to be Shape-instance @@ -1454,7 +1452,7 @@ def bgpic(self, picname=None): """Set background image or return name of current backgroundimage. Optional argument: - picname -- a string, name of a gif-file or "nopic". + picname -- a string, name of an image file (PNG, GIF, PGM, and PPM) or "nopic". If picname is a filename, set the corresponding image as background. If picname is "nopic", delete backgroundimage, if present. diff --git a/Misc/NEWS.d/next/Library/2022-07-28-12-32-59.gh-issue-95371.F24IFC.rst b/Misc/NEWS.d/next/Library/2022-07-28-12-32-59.gh-issue-95371.F24IFC.rst new file mode 100644 index 00000000000000..4a62aaed78b425 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2022-07-28-12-32-59.gh-issue-95371.F24IFC.rst @@ -0,0 +1 @@ +Added support for other image formats (PNG, PGM, and PPM) to the turtle module. Patch by Shin-myoung-serp.

1 0

[3.12] gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (GH-128379) (#128402)
by Eclips4 Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/487caa95796651bc99bccc77fc42e4e5e7… commit: 487caa95796651bc99bccc77fc42e4e5e7a8ae2b branch: 3.12 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: Eclips4 <kirill.bast9(a)mail.ru> date: 2025-01-02T07:30:39Z summary: [3.12] gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (GH-128379) (#128402) gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (GH-128379) (cherry picked from commit 60c65184695a3eab766b3bc26fc99f695deb998f) Co-authored-by: abkmystery <36216019+abkmystery(a)users.noreply.github.com> files: M Doc/library/decimal.rst M Doc/whatsnew/3.3.rst diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst index c5544f6216fd7b..2ce4c913ff4364 100644 --- a/Doc/library/decimal.rst +++ b/Doc/library/decimal.rst @@ -1016,7 +1016,7 @@ New contexts can also be created using the :class:`Context` constructor described below. In addition, the module provides three pre-made contexts: -.. class:: BasicContext +.. data:: BasicContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is set to nine. Rounding is set to @@ -1027,7 +1027,7 @@ described below. In addition, the module provides three pre-made contexts: Because many of the traps are enabled, this context is useful for debugging. -.. class:: ExtendedContext +.. data:: ExtendedContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is set to nine. Rounding is set to @@ -1040,7 +1040,7 @@ described below. In addition, the module provides three pre-made contexts: presence of conditions that would otherwise halt the program. -.. class:: DefaultContext +.. data:: DefaultContext This context is used by the :class:`Context` constructor as a prototype for new contexts. Changing a field (such a precision) has the effect of changing the diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index 92656090885737..f386e05db3696a 100644 --- a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ -1147,8 +1147,8 @@ API changes | :const:`MIN_EMIN` | ``-425000000`` | ``-999999999999999999`` | +-------------------+----------------+-------------------------+ -* In the context templates (:class:`~decimal.DefaultContext`, - :class:`~decimal.BasicContext` and :class:`~decimal.ExtendedContext`) +* In the context templates (:const:`~decimal.DefaultContext`, + :const:`~decimal.BasicContext` and :const:`~decimal.ExtendedContext`) the magnitude of :attr:`~decimal.Context.Emax` and :attr:`~decimal.Context.Emin` has changed to ``999999``.

1 0

[3.13] gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (GH-128379) (#128401)
by Eclips4 Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/48d50fd4918d9236cf0bc88fb318e560f5… commit: 48d50fd4918d9236cf0bc88fb318e560f5a4e3d8 branch: 3.13 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: Eclips4 <kirill.bast9(a)mail.ru> date: 2025-01-02T07:28:12Z summary: [3.13] gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (GH-128379) (#128401) gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (GH-128379) (cherry picked from commit 60c65184695a3eab766b3bc26fc99f695deb998f) Co-authored-by: abkmystery <36216019+abkmystery(a)users.noreply.github.com> files: M Doc/library/decimal.rst M Doc/whatsnew/3.3.rst diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst index 916f17cadfaa7e..f1bd3e8f371ee2 100644 --- a/Doc/library/decimal.rst +++ b/Doc/library/decimal.rst @@ -1016,7 +1016,7 @@ New contexts can also be created using the :class:`Context` constructor described below. In addition, the module provides three pre-made contexts: -.. class:: BasicContext +.. data:: BasicContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is set to nine. Rounding is set to @@ -1027,7 +1027,7 @@ described below. In addition, the module provides three pre-made contexts: Because many of the traps are enabled, this context is useful for debugging. -.. class:: ExtendedContext +.. data:: ExtendedContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is set to nine. Rounding is set to @@ -1040,7 +1040,7 @@ described below. In addition, the module provides three pre-made contexts: presence of conditions that would otherwise halt the program. -.. class:: DefaultContext +.. data:: DefaultContext This context is used by the :class:`Context` constructor as a prototype for new contexts. Changing a field (such a precision) has the effect of changing the diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index f814c4e90d5719..7a8eb47cbdb354 100644 --- a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ -1147,8 +1147,8 @@ API changes | :const:`MIN_EMIN` | ``-425000000`` | ``-999999999999999999`` | +-------------------+----------------+-------------------------+ -* In the context templates (:class:`~decimal.DefaultContext`, - :class:`~decimal.BasicContext` and :class:`~decimal.ExtendedContext`) +* In the context templates (:const:`~decimal.DefaultContext`, + :const:`~decimal.BasicContext` and :const:`~decimal.ExtendedContext`) the magnitude of :attr:`~decimal.Context.Emax` and :attr:`~decimal.Context.Emin` has changed to ``999999``.

1 0

gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (#128379)
by Eclips4 Jan. 2, 2025

Jan. 2, 2025

https://github.com/python/cpython/commit/60c65184695a3eab766b3bc26fc99f695d… commit: 60c65184695a3eab766b3bc26fc99f695deb998f branch: main author: abkmystery <36216019+abkmystery(a)users.noreply.github.com> committer: Eclips4 <kirill.bast9(a)mail.ru> date: 2025-01-02T09:20:31+02:00 summary: gh-128349: Use `.. data::` instead of `.. class::` for pre-defined decimal `Context` objects (#128379) files: M Doc/library/decimal.rst M Doc/whatsnew/3.3.rst diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst index c9a3e448cad063..185eaf3f721c72 100644 --- a/Doc/library/decimal.rst +++ b/Doc/library/decimal.rst @@ -1033,7 +1033,7 @@ New contexts can also be created using the :class:`Context` constructor described below. In addition, the module provides three pre-made contexts: -.. class:: BasicContext +.. data:: BasicContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is set to nine. Rounding is set to @@ -1044,7 +1044,7 @@ described below. In addition, the module provides three pre-made contexts: Because many of the traps are enabled, this context is useful for debugging. -.. class:: ExtendedContext +.. data:: ExtendedContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is set to nine. Rounding is set to @@ -1057,7 +1057,7 @@ described below. In addition, the module provides three pre-made contexts: presence of conditions that would otherwise halt the program. -.. class:: DefaultContext +.. data:: DefaultContext This context is used by the :class:`Context` constructor as a prototype for new contexts. Changing a field (such a precision) has the effect of changing the diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index f814c4e90d5719..7a8eb47cbdb354 100644 --- a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ -1147,8 +1147,8 @@ API changes | :const:`MIN_EMIN` | ``-425000000`` | ``-999999999999999999`` | +-------------------+----------------+-------------------------+ -* In the context templates (:class:`~decimal.DefaultContext`, - :class:`~decimal.BasicContext` and :class:`~decimal.ExtendedContext`) +* In the context templates (:const:`~decimal.DefaultContext`, + :const:`~decimal.BasicContext` and :const:`~decimal.ExtendedContext`) the magnitude of :attr:`~decimal.Context.Emax` and :attr:`~decimal.Context.Emin` has changed to ``999999``.

1 0

gh-126469: remove unnecessary error-checking branch in `lexer.c` (#126473)
by pablogsal Jan. 1, 2025

Jan. 1, 2025

https://github.com/python/cpython/commit/c810ed7c8e0a7464d19700ba1c8668a406… commit: c810ed7c8e0a7464d19700ba1c8668a406f1c042 branch: main author: qqwqqw689 <114795525+qqwqqw689(a)users.noreply.github.com> committer: pablogsal <Pablogsal(a)gmail.com> date: 2025-01-01T22:11:29Z summary: gh-126469: remove unnecessary error-checking branch in `lexer.c` (#126473) files: M Parser/lexer/lexer.c diff --git a/Parser/lexer/lexer.c b/Parser/lexer/lexer.c index 8c868593f944c8..dbbb94a407c81d 100644 --- a/Parser/lexer/lexer.c +++ b/Parser/lexer/lexer.c @@ -329,11 +329,7 @@ verify_identifier(struct tok_state *tok) return 0; } Py_ssize_t invalid = _PyUnicode_ScanIdentifier(s); - if (invalid < 0) { - Py_DECREF(s); - tok->done = E_ERROR; - return 0; - } + assert(invalid >= 0); assert(PyUnicode_GET_LENGTH(s) > 0); if (invalid < PyUnicode_GET_LENGTH(s)) { Py_UCS4 ch = PyUnicode_READ_CHAR(s, invalid);

1 0

Fix while statements with non-bool conditions in `_pyrepl` (#127509)
by pablogsal Jan. 1, 2025

Jan. 1, 2025

https://github.com/python/cpython/commit/a327810169982e3782bdefc2247789a71a… commit: a327810169982e3782bdefc2247789a71aa79b43 branch: main author: RUANG (James Roy) <rruuaanng(a)outlook.com> committer: pablogsal <Pablogsal(a)gmail.com> date: 2025-01-01T20:39:28Z summary: Fix while statements with non-bool conditions in `_pyrepl` (#127509) Fix non-bool value conditions files: M Lib/_pyrepl/simple_interact.py M Lib/_pyrepl/unix_console.py diff --git a/Lib/_pyrepl/simple_interact.py b/Lib/_pyrepl/simple_interact.py index 342a4b58bfd0f3..a5033496712a73 100644 --- a/Lib/_pyrepl/simple_interact.py +++ b/Lib/_pyrepl/simple_interact.py @@ -138,7 +138,7 @@ def maybe_run_command(statement: str) -> bool: return False - while 1: + while True: try: try: sys.stdout.flush() diff --git a/Lib/_pyrepl/unix_console.py b/Lib/_pyrepl/unix_console.py index 2576b938a34c64..63e8fc24dd7625 100644 --- a/Lib/_pyrepl/unix_console.py +++ b/Lib/_pyrepl/unix_console.py @@ -786,7 +786,7 @@ def __tputs(self, fmt, prog=delayprog): # only if the bps is actually needed (which I'm # betting is pretty unlkely) bps = ratedict.get(self.__svtermstate.ospeed) - while 1: + while True: m = prog.search(fmt) if not m: os.write(self.output_fd, fmt)

1 0