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GH-109190: Copyedit 3.12 What's New: Other Language Changes (#109660)
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@ -459,12 +459,12 @@ and others in :gh:`103764`.)
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Other Language Changes
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======================
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* Add :ref:`perf_profiling` through the new
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environment variable :envvar:`PYTHONPERFSUPPORT`,
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the new command-line option :option:`-X perf <-X>`,
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* Add :ref:`support for the perf profiler <perf_profiling>` through the new
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environment variable :envvar:`PYTHONPERFSUPPORT`
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and command-line option :option:`-X perf <-X>`,
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as well as the new :func:`sys.activate_stack_trampoline`,
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:func:`sys.deactivate_stack_trampoline`,
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and :func:`sys.is_stack_trampoline_active` APIs.
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and :func:`sys.is_stack_trampoline_active` functions.
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(Design by Pablo Galindo. Contributed by Pablo Galindo and Christian Heimes
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with contributions from Gregory P. Smith [Google] and Mark Shannon
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in :gh:`96123`.)
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@ -473,7 +473,7 @@ Other Language Changes
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have a new a *filter* argument that allows limiting tar features than may be
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surprising or dangerous, such as creating files outside the destination
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directory.
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See :ref:`tarfile-extraction-filter` for details.
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See :ref:`tarfile extraction filters <tarfile-extraction-filter>` for details.
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In Python 3.14, the default will switch to ``'data'``.
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(Contributed by Petr Viktorin in :pep:`706`.)
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@ -501,8 +501,8 @@ Other Language Changes
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* A backslash-character pair that is not a valid escape sequence now generates
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a :exc:`SyntaxWarning`, instead of :exc:`DeprecationWarning`.
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For example, ``re.compile("\d+\.\d+")`` now emits a :exc:`SyntaxWarning`
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(``"\d"`` is an invalid escape sequence), use raw strings for regular
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expression: ``re.compile(r"\d+\.\d+")``.
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(``"\d"`` is an invalid escape sequence, use raw strings for regular
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expression: ``re.compile(r"\d+\.\d+")``).
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In a future Python version, :exc:`SyntaxError` will eventually be raised,
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instead of :exc:`SyntaxWarning`.
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(Contributed by Victor Stinner in :gh:`98401`.)
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@ -531,7 +531,7 @@ Other Language Changes
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when summing floats or mixed ints and floats.
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(Contributed by Raymond Hettinger in :gh:`100425`.)
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* Exceptions raised in a typeobject's ``__set_name__`` method are no longer
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* Exceptions raised in a class or type's ``__set_name__`` method are no longer
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wrapped by a :exc:`RuntimeError`. Context information is added to the
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exception as a :pep:`678` note. (Contributed by Irit Katriel in :gh:`77757`.)
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