gh-113174: Sync with importlib_metadata 7.0 (#113175)

* Sync with importlib_metadata 7.0.0

* Add blurb

* Update docs to reflect changes.

* Link datamodel docs for object.__getitem__

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

* Add what's new for removed __getattr__

* Link datamodel docs for object.__getitem__

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

* Add exclamation point, as that seems to be used for other classes.

---------

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

Author: jaraco

Doc/library/importlib.metadata.rst

@@ -171,16 +171,18 @@ group.  Read `the setuptools docs
 <https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_
 for more information on entry points, their definition, and usage.
 
-*Compatibility Note*
-
-The "selectable" entry points were introduced in ``importlib_metadata``
-3.6 and Python 3.10. Prior to those changes, ``entry_points`` accepted
-no parameters and always returned a dictionary of entry points, keyed
-by group. With ``importlib_metadata`` 5.0 and Python 3.12,
-``entry_points`` always returns an ``EntryPoints`` object. See
-`backports.entry_points_selectable <https://pypi.org/project/backports.entry-points-selectable>`_
-for compatibility options.
-
+.. versionchanged:: 3.12
+   The "selectable" entry points were introduced in ``importlib_metadata``
+   3.6 and Python 3.10. Prior to those changes, ``entry_points`` accepted
+   no parameters and always returned a dictionary of entry points, keyed
+   by group. With ``importlib_metadata`` 5.0 and Python 3.12,
+   ``entry_points`` always returns an ``EntryPoints`` object. See
+   `backports.entry_points_selectable <https://pypi.org/project/backports.entry-points-selectable>`_
+   for compatibility options.
+
+.. versionchanged:: 3.13
+   ``EntryPoint`` objects no longer present a tuple-like interface
+   (:meth:`~object.__getitem__`).
 
 .. _metadata:
 
@@ -342,9 +344,17 @@ instance::
     >>> dist.metadata['License']  # doctest: +SKIP
     'MIT'
 
+For editable packages, an origin property may present :pep:`610`
+metadata::
+
+    >>> dist.origin.url
+    'file:///path/to/wheel-0.32.3.editable-py3-none-any.whl'
+
 The full set of available metadata is not described here.
 See the `Core metadata specifications <https://packaging.python.org/en/latest/specifications/core-metadata/#core-metadata>`_ for additional details.
 
+.. versionadded:: 3.13
+   The ``.origin`` property was added.
 
 Distribution Discovery
 ======================

Doc/whatsnew/3.13.rst

@@ -1001,6 +1001,10 @@ importlib
   for migration advice.
   (Contributed by Jason R. Coombs in :gh:`106532`.)
 
+* Remove deprecated :meth:`~object.__getitem__` access for
+  :class:`!importlib.metadata.EntryPoint` objects.
+  (Contributed by Jason R. Coombs in :gh:`113175`.)
+
 locale
 ------