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Pending Removal in Python 3.15

  • :mod:`ctypes`:
    • The undocumented :func:`!ctypes.SetPointerType` function has been deprecated since Python 3.13.
  • :mod:`http.server`:
    • The obsolete and rarely used :class:`~http.server.CGIHTTPRequestHandler` has been deprecated since Python 3.13. No direct replacement exists. Anything is better than CGI to interface a web server with a request handler.
    • The :option:`!--cgi` flag to the :program:`python -m http.server` command-line interface has been deprecated since Python 3.13.
  • :class:`locale`:
    • The :func:`~locale.getdefaultlocale` function has been deprecated since Python 3.11. Its removal was originally planned for Python 3.13 (:gh:`90817`), but has been postponed to Python 3.15. Use :func:`~locale.getlocale`, :func:`~locale.setlocale`, and :func:`~locale.getencoding` instead. (Contributed by Hugo van Kemenade in :gh:`111187`.)
  • :mod:`pathlib`:
    • :meth:`.PurePath.is_reserved` has been deprecated since Python 3.13. Use :func:`os.path.isreserved` to detect reserved paths on Windows.
  • :mod:`platform`:
    • :func:`~platform.java_ver` has been deprecated since Python 3.13. This function is only useful for Jython support, has a confusing API, and is largely untested.
  • :mod:`threading`:
    • :func:`~threading.RLock` will take no arguments in Python 3.15. Passing any arguments has been deprecated since Python 3.14, as the Python version does not permit any arguments, but the C version allows any number of positional or keyword arguments, ignoring every argument.
  • :mod:`typing`:
    • The undocumented keyword argument syntax for creating :class:`~typing.NamedTuple` classes (e.g. Point = NamedTuple("Point", x=int, y=int)) has been deprecated since Python 3.13. Use the class-based syntax or the functional syntax instead.
    • The :func:`typing.no_type_check_decorator` decorator function has been deprecated since Python 3.13. After eight years in the :mod:`typing` module, it has yet to be supported by any major type checker.
  • :mod:`wave`:
    • The :meth:`~wave.Wave_read.getmark`, :meth:`!setmark`, and :meth:`~wave.Wave_read.getmarkers` methods of the :class:`~wave.Wave_read` and :class:`~wave.Wave_write` classes have been deprecated since Python 3.13.