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| Expand Up | @@ -580,19 +580,10 @@ asyncio | |
| :class:`asyncio.ThreadedChildWatcher`. | ||
| (Contributed by Kumar Aditya in :gh:`98024`.) | ||
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| * The child watcher classes :class:`asyncio.MultiLoopChildWatcher`, | ||
| :class:`asyncio.FastChildWatcher`, :class:`asyncio.AbstractChildWatcher` | ||
| and :class:`asyncio.SafeChildWatcher` are deprecated and | ||
| will be removed in Python 3.14. It is recommended to not manually | ||
| configure a child watcher as the event loop now uses the best available | ||
| child watcher for each platform (:class:`asyncio.PidfdChildWatcher` | ||
| if supported and :class:`asyncio.ThreadedChildWatcher` otherwise). | ||
| (Contributed by Kumar Aditya in :gh:`94597`.) | ||
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| * :func:`asyncio.set_child_watcher`, :func:`asyncio.get_child_watcher`, | ||
| :meth:`asyncio.AbstractEventLoopPolicy.set_child_watcher` and | ||
| :meth:`asyncio.AbstractEventLoopPolicy.get_child_watcher` are deprecated | ||
| and will be removed in Python 3.14. | ||
| * The event loop now uses the best available child watcher for each platform | ||
| (:class:`asyncio.PidfdChildWatcher` if supported and | ||
| :class:`asyncio.ThreadedChildWatcher` otherwise), so manually | ||
| configuring a child watcher is not recommended. | ||
| (Contributed by Kumar Aditya in :gh:`94597`.) | ||
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| * Add *loop_factory* parameter to :func:`asyncio.run` to allow specifying | ||
| Expand Down Expand Up | @@ -1046,15 +1037,52 @@ Demos and Tools | |
| Deprecated | ||
| ========== | ||
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| * :mod:`asyncio`: The :meth:`~asyncio.get_event_loop` method of the | ||
| default event loop policy now emits a :exc:`DeprecationWarning` if there | ||
| is no current event loop set and it decides to create one. | ||
| (Contributed by Serhiy Storchaka and Guido van Rossum in :gh:`100160`.) | ||
| * :mod:`argparse`: The *type*, *choices*, and *metavar* parameters | ||
| of :class:`!argparse.BooleanOptionalAction` are deprecated | ||
| and will be removed in 3.14. | ||
| (Contributed by Nikita Sobolev in :gh:`92248`.) | ||
|
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| * :mod:`ast`: The following :mod:`ast` features have been deprecated in documentation since | ||
| Python 3.8, now cause a :exc:`DeprecationWarning` to be emitted at runtime | ||
| when they are accessed or used, and will be removed in Python 3.14: | ||
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| * :class:`!ast.Num` | ||
| * :class:`!ast.Str` | ||
| * :class:`!ast.Bytes` | ||
| * :class:`!ast.NameConstant` | ||
| * :class:`!ast.Ellipsis` | ||
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| Use :class:`ast.Constant` instead. | ||
| (Contributed by Serhiy Storchaka in :gh:`90953`.) | ||
|
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| * :mod:`asyncio`: | ||
|
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| * The child watcher classes :class:`asyncio.MultiLoopChildWatcher`, | ||
| :class:`asyncio.FastChildWatcher`, :class:`asyncio.AbstractChildWatcher` | ||
| and :class:`asyncio.SafeChildWatcher` are deprecated and | ||
| will be removed in Python 3.14. | ||
| (Contributed by Kumar Aditya in :gh:`94597`.) | ||
|
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| * :func:`asyncio.set_child_watcher`, :func:`asyncio.get_child_watcher`, | ||
| :meth:`asyncio.AbstractEventLoopPolicy.set_child_watcher` and | ||
| :meth:`asyncio.AbstractEventLoopPolicy.get_child_watcher` are deprecated | ||
| and will be removed in Python 3.14. | ||
| (Contributed by Kumar Aditya in :gh:`94597`.) | ||
|
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| * The :meth:`~asyncio.get_event_loop` method of the | ||
| default event loop policy now emits a :exc:`DeprecationWarning` if there | ||
| is no current event loop set and it decides to create one. | ||
| (Contributed by Serhiy Storchaka and Guido van Rossum in :gh:`100160`.) | ||
|
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality(1) and (2) copied from Improved Modules, (3) copied from Pending Removal. Note that I've deleted the entry for asyncio.Future.cancel & asyncio.Task.cancel as it was reverted in #97999
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| * :mod:`calendar`: ``calendar.January`` and ``calendar.February`` constants are deprecated and | ||
| replaced by :data:`calendar.JANUARY` and :data:`calendar.FEBRUARY`. | ||
| (Contributed by Prince Roshan in :gh:`103636`.) | ||
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| * :mod:`collections.abc`: Deprecated :class:`collections.abc.ByteString`. | ||
| Prefer :class:`Sequence` or :class:`collections.abc.Buffer`. | ||
| For use in typing, prefer a union, like ``bytes | bytearray``, or :class:`collections.abc.Buffer`. | ||
| (Contributed by Shantanu Jain in :gh:`91896`.) | ||
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| * :mod:`datetime`: :class:`datetime.datetime`'s :meth:`~datetime.datetime.utcnow` and | ||
| :meth:`~datetime.datetime.utcfromtimestamp` are deprecated and will be | ||
| removed in a future version. Instead, use timezone-aware objects to represent | ||
| Expand All | @@ -1063,12 +1091,55 @@ Deprecated | |
| :const:`datetime.UTC`. | ||
| (Contributed by Paul Ganssle in :gh:`103857`.) | ||
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| * :mod:`email`: Deprecate the *isdst* parameter in :func:`email.utils.localtime`. | ||
| (Contributed by Alan Williams in :gh:`72346`.) | ||
|
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| * :mod:`importlib.abc`: Deprecated the following classes, scheduled for removal in | ||
| Python 3.14: | ||
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| * :class:`!importlib.abc.ResourceReader` | ||
| * :class:`!importlib.abc.Traversable` | ||
| * :class:`!importlib.abc.TraversableResources` | ||
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| Use :mod:`importlib.resources.abc` classes instead: | ||
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| * :class:`importlib.resources.abc.Traversable` | ||
| * :class:`importlib.resources.abc.TraversableResources` | ||
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| (Contributed by Jason R. Coombs and Hugo van Kemenade in :gh:`93963`.) | ||
|
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| * :mod:`itertools`: Deprecate the support for copy, deepcopy, and pickle operations, | ||
| which is undocumented, inefficient, historically buggy, and inconsistent. | ||
| This will be removed in 3.14 for a significant reduction in code | ||
| volume and maintenance burden. | ||
| (Contributed by Raymond Hettinger in :gh:`101588`.) | ||
|
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| * :mod:`os`: The ``st_ctime`` fields return by :func:`os.stat` and :func:`os.lstat` on | ||
| Windows are deprecated. In a future release, they will contain the last | ||
| metadata change time, consistent with other platforms. For now, they still | ||
| contain the creation time, which is also available in the new ``st_birthtime`` | ||
| field. (Contributed by Steve Dower in :gh:`99726`.) | ||
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| * :mod:`multiprocessing`: In Python 3.14, the default :mod:`multiprocessing` | ||
| start method will change to a safer one on Linux, BSDs, | ||
| and other non-macOS POSIX platforms where ``'fork'`` is currently | ||
| the default (:gh:`84559`). Adding a runtime warning about this was deemed too | ||
| disruptive as the majority of code is not expected to care. Use the | ||
| :func:`~multiprocessing.get_context` or | ||
| :func:`~multiprocessing.set_start_method` APIs to explicitly specify when | ||
| your code *requires* ``'fork'``. See :ref:`contexts and start methods | ||
| <multiprocessing-start-methods>`. | ||
|
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| * :mod:`pkgutil`: :func:`pkgutil.find_loader` and :func:`pkgutil.get_loader` | ||
| are deprecated and will be removed in Python 3.14; | ||
| use :func:`importlib.util.find_spec` instead. | ||
| (Contributed by Nikita Sobolev in :gh:`97850`.) | ||
|
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| * :mod:`pty`: The module has two undocumented ``master_open()`` and ``slave_open()`` | ||
| functions that have been deprecated since Python 2 but only gained a | ||
| proper :exc:`DeprecationWarning` in 3.12. Remove them in 3.14. | ||
| (Contributed by Soumendra Ganguly and Gregory P. Smith in :gh:`85984`.) | ||
|
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| * :mod:`os`: On POSIX platforms, :func:`os.fork` can now raise a | ||
| :exc:`DeprecationWarning` when it can detect being called from a | ||
| multithreaded process. There has always been a fundamental incompatibility | ||
| Expand All | @@ -1083,22 +1154,23 @@ Deprecated | |
| :mod:`concurrent.futures` the fix is to use a different | ||
| :mod:`multiprocessing` start method such as ``"spawn"`` or ``"forkserver"``. | ||
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| * :mod:`shutil`: The *onerror* argument of :func:`shutil.rmtree` is deprecated as will be removed | ||
| * :mod:`shutil`: The *onerror* argument of :func:`shutil.rmtree` is deprecated and will be removed | ||
|
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityTypo: as -> and
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| in Python 3.14. Use *onexc* instead. (Contributed by Irit Katriel in :gh:`102828`.) | ||
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| * :mod:`sqlite3`: | ||
| * :ref:`default adapters and converters | ||
| <sqlite3-default-converters>` are now deprecated. | ||
| Instead, use the :ref:`sqlite3-adapter-converter-recipes` | ||
| and tailor them to your needs. | ||
| (Contributed by Erlend E. Aasland in :gh:`90016`.) | ||
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| * In :meth:`~sqlite3.Cursor.execute`, :exc:`DeprecationWarning` is now emitted | ||
| when :ref:`named placeholders <sqlite3-placeholders>` are used together with | ||
| parameters supplied as a :term:`sequence` instead of as a :class:`dict`. | ||
| Starting from Python 3.14, using named placeholders with parameters supplied | ||
| as a sequence will raise a :exc:`~sqlite3.ProgrammingError`. | ||
| (Contributed by Erlend E. Aasland in :gh:`101698`.) | ||
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| * :ref:`default adapters and converters | ||
| <sqlite3-default-converters>` are now deprecated. | ||
| Instead, use the :ref:`sqlite3-adapter-converter-recipes` | ||
| and tailor them to your needs. | ||
| (Contributed by Erlend E. Aasland in :gh:`90016`.) | ||
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| * In :meth:`~sqlite3.Cursor.execute`, :exc:`DeprecationWarning` is now emitted | ||
| when :ref:`named placeholders <sqlite3-placeholders>` are used together with | ||
| parameters supplied as a :term:`sequence` instead of as a :class:`dict`. | ||
| Starting from Python 3.14, using named placeholders with parameters supplied | ||
| as a sequence will raise a :exc:`~sqlite3.ProgrammingError`. | ||
| (Contributed by Erlend E. Aasland in :gh:`101698`.) | ||
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| * :mod:`sys`: The :data:`sys.last_type`, :data:`sys.last_value` and :data:`sys.last_traceback` | ||
| fields are deprecated. Use :data:`sys.last_exc` instead. | ||
| Expand All | @@ -1108,16 +1180,24 @@ Deprecated | |
| Python 3.14, when ``'data'`` filter will become the default. | ||
| See :ref:`tarfile-extraction-filter` for details. | ||
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| * :mod:`typing`: :class:`typing.Hashable` and :class:`typing.Sized` aliases for :class:`collections.abc.Hashable` | ||
| and :class:`collections.abc.Sized`. (:gh:`94309`.) | ||
| * :mod:`typing`: | ||
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| * :class:`typing.Hashable` and :class:`typing.Sized` aliases for :class:`collections.abc.Hashable` | ||
| and :class:`collections.abc.Sized`. (:gh:`94309`.) | ||
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| * :class:`typing.ByteString`, deprecated since Python 3.9, now causes a | ||
| :exc:`DeprecationWarning` to be emitted when it is used. | ||
| (Contributed by Alex Waygood in :gh:`91896`.) | ||
|
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| * :mod:`xml.etree.ElementTree`: The module now emits :exc:`DeprecationWarning` | ||
| when testing the truth value of an :class:`xml.etree.ElementTree.Element`. | ||
| Before, the Python implementation emitted :exc:`FutureWarning`, and the C | ||
| implementation emitted nothing. | ||
| (Contributed by Jacob Walls in :gh:`83122`.) | ||
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| * The 3-arg signatures (type, value, traceback) of :meth:`~coroutine.throw`, | ||
| :meth:`~generator.throw` and :meth:`~agen.athrow` are deprecated and | ||
| * The 3-arg signatures (type, value, traceback) of :meth:`coroutine throw() | ||
| <coroutine.throw>`, :meth:`generator throw() <generator.throw>` and | ||
| :meth:`async generator throw() <agen.athrow>` are deprecated and | ||
|
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityAdded explicit titles to avoid the text saying throw(), throw(), and athrow()
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| may be removed in a future version of Python. Use the single-arg versions | ||
| of these functions instead. (Contributed by Ofey Chan in :gh:`89874`.) | ||
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| Expand All | @@ -1126,12 +1206,21 @@ Deprecated | |
| :exc:`ImportWarning`). | ||
| (Contributed by Brett Cannon in :gh:`65961`.) | ||
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| * Setting ``__package__`` or ``__cached__`` on a module is deprecated, | ||
| and will cease to be set or taken into consideration by the import system in Python 3.14. | ||
| (Contributed by Brett Cannon in :gh:`65961`.) | ||
|
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityRephrased from Pending Removal
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| * The bitwise inversion operator (``~``) on bool is deprecated. It will throw an | ||
| error in Python 3.14. Use ``not`` for logical negation of bools instead. | ||
| In the rare case that you really need the bitwise inversion of the underlying | ||
| ``int``, convert to int explicitly with ``~int(x)``. (Contributed by Tim Hoffmann | ||
| ``int``, convert to int explicitly: ``~int(x)``. (Contributed by Tim Hoffmann | ||
|
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Qualitystyle -- this is both the conversion and inversion, so don't say "with"
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| in :gh:`103487`.) | ||
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| * Accessing ``co_lnotab`` on code objects was deprecated in Python 3.10 via :pep:`626`, | ||
| but it only got a proper :exc:`DeprecationWarning` in 3.12, | ||
| therefore it will be removed in 3.14. | ||
| (Contributed by Nikita Sobolev in :gh:`101866`.) | ||
|
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| Pending Removal in Python 3.13 | ||
| ------------------------------ | ||
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| Expand Down Expand Up | @@ -1180,90 +1269,62 @@ APIs: | |
| Pending Removal in Python 3.14 | ||
| ------------------------------ | ||
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| The following APIs have been deprecated | ||
| and will be removed in Python 3.14. | ||
|
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityAdapted from the Pending Removal in Python 3.13 summary
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| * :mod:`argparse`: The *type*, *choices*, and *metavar* parameters | ||
| of :class:`!argparse.BooleanOptionalAction` are deprecated | ||
| and will be removed in 3.14. | ||
| (Contributed by Nikita Sobolev in :gh:`92248`.) | ||
| of :class:`!argparse.BooleanOptionalAction` | ||
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| * :mod:`ast`: The following :mod:`ast` features have been deprecated in documentation since | ||
| Python 3.8, now cause a :exc:`DeprecationWarning` to be emitted at runtime | ||
| when they are accessed or used, and will be removed in Python 3.14: | ||
| * :mod:`ast`: | ||
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| * :class:`!ast.Num` | ||
| * :class:`!ast.Str` | ||
| * :class:`!ast.Bytes` | ||
| * :class:`!ast.NameConstant` | ||
| * :class:`!ast.Ellipsis` | ||
|
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| Use :class:`ast.Constant` instead. | ||
| (Contributed by Serhiy Storchaka in :gh:`90953`.) | ||
| * :mod:`asyncio`: | ||
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| * :mod:`asyncio`: the *msg* parameter of both | ||
| :meth:`asyncio.Future.cancel` and | ||
| :meth:`asyncio.Task.cancel` (:gh:`90985`) | ||
| * :class:`!asyncio.MultiLoopChildWatcher` | ||
| * :class:`!asyncio.FastChildWatcher` | ||
| * :class:`!asyncio.AbstractChildWatcher` | ||
| * :class:`!asyncio.SafeChildWatcher` | ||
| * :func:`!asyncio.set_child_watcher` | ||
| * :func:`!asyncio.get_child_watcher`, | ||
| * :meth:`!asyncio.AbstractEventLoopPolicy.set_child_watcher` | ||
| * :meth:`!asyncio.AbstractEventLoopPolicy.get_child_watcher` | ||
|
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| * :mod:`collections.abc`: Deprecated :class:`collections.abc.ByteString`. | ||
| Prefer :class:`Sequence` or :class:`collections.abc.Buffer`. | ||
| For use in typing, prefer a union, like ``bytes | bytearray``, or :class:`collections.abc.Buffer`. | ||
| (Contributed by Shantanu Jain in :gh:`91896`.) | ||
| * :mod:`collections.abc`: :class:`!collections.abc.ByteString`. | ||
|
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| * :mod:`email`: Deprecated the *isdst* parameter in :func:`email.utils.localtime`. | ||
| (Contributed by Alan Williams in :gh:`72346`.) | ||
| * :mod:`email`: the *isdst* parameter in :func:`email.utils.localtime`. | ||
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| * :mod:`importlib.abc`: Deprecated the following classes, scheduled for removal in | ||
| Python 3.14: | ||
| * :mod:`importlib.abc`: | ||
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| * :class:`!importlib.abc.ResourceReader` | ||
| * :class:`!importlib.abc.Traversable` | ||
| * :class:`!importlib.abc.TraversableResources` | ||
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| Use :mod:`importlib.resources.abc` classes instead: | ||
| * :mod:`itertools`: Support for copy, deepcopy, and pickle operations. | ||
|
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| * :class:`importlib.resources.abc.Traversable` | ||
| * :class:`importlib.resources.abc.TraversableResources` | ||
|
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| (Contributed by Jason R. Coombs and Hugo van Kemenade in :gh:`93963`.) | ||
|
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| * :mod:`itertools`: The module had undocumented, inefficient, historically buggy, | ||
| and inconsistent support for copy, deepcopy, and pickle operations. | ||
| This will be removed in 3.14 for a significant reduction in code | ||
| volume and maintenance burden. | ||
| (Contributed by Raymond Hettinger in :gh:`101588`.) | ||
| * :mod:`pkgutil`: | ||
|
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| * :mod:`multiprocessing`: The default :mod:`multiprocessing` start method will change to a safer one on | ||
| Linux, BSDs, and other non-macOS POSIX platforms where ``'fork'`` is currently | ||
| the default (:gh:`84559`). Adding a runtime warning about this was deemed too | ||
| disruptive as the majority of code is not expected to care. Use the | ||
| :func:`~multiprocessing.get_context` or | ||
| :func:`~multiprocessing.set_start_method` APIs to explicitly specify when | ||
| your code *requires* ``'fork'``. See :ref:`multiprocessing-start-methods`. | ||
| * :func:`!pkgutil.find_loader` | ||
| * :func:`!pkgutil.get_loader`. | ||
|
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| * :mod:`pkgutil`: :func:`pkgutil.find_loader` and :func:`pkgutil.get_loader` | ||
| now raise :exc:`DeprecationWarning`; | ||
| use :func:`importlib.util.find_spec` instead. | ||
| (Contributed by Nikita Sobolev in :gh:`97850`.) | ||
| * :mod:`pty`: | ||
|
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| * :mod:`pty`: The module has two undocumented ``master_open()`` and ``slave_open()`` | ||
| functions that have been deprecated since Python 2 but only gained a | ||
| proper :exc:`DeprecationWarning` in 3.12. Remove them in 3.14. | ||
| * :func:`!pty.master_open` | ||
| * :func:`!pty.slave_open` | ||
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| * :mod:`shutil`: The *onerror* argument of :func:`shutil.rmtree` is deprecated in 3.12, | ||
| and will be removed in 3.14. | ||
| * :mod:`shutil`: The *onerror* argument of :func:`shutil.rmtree` | ||
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| * :mod:`typing`: :class:`typing.ByteString`, deprecated since Python 3.9, now causes a | ||
| :exc:`DeprecationWarning` to be emitted when it is used. | ||
| * :mod:`typing`: :class:`!typing.ByteString` | ||
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| * :mod:`xml.etree.ElementTree`: Testing the truth value of an :class:`xml.etree.ElementTree.Element` | ||
| is deprecated and will raise an exception in Python 3.14. | ||
| * :mod:`xml.etree.ElementTree`: Testing the truth value of an :class:`xml.etree.ElementTree.Element`. | ||
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| * ``__package__`` and ``__cached__`` will cease to be set or taken | ||
| into consideration by the import system (:gh:`97879`). | ||
| * The ``__package__`` and ``__cached__`` attributes on module objects. | ||
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| * Accessing ``co_lnotab`` was deprecated in :pep:`626` since 3.10 | ||
| and was planned to be removed in 3.12 | ||
| but it only got a proper :exc:`DeprecationWarning` in 3.12. | ||
| May be removed in 3.14. | ||
| (Contributed by Nikita Sobolev in :gh:`101866`.) | ||
| * The ``co_lnotab`` attribute of code objects. | ||
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| Pending Removal in Future Versions | ||
| ---------------------------------- | ||
| Expand Down | ||
| Back | FazBrowse Home | New Git URL |
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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Qualityasyncio had two deprecations noted in "Improved Modules", these have been moved
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