[pull] main from python:main

Doc/library/typing.rst

@@ -2849,6 +2849,9 @@ Functions and decorators
    This wraps the decorator with something that wraps the decorated
    function in :func:`no_type_check`.
 
+   .. deprecated-removed:: 3.13 3.15
+      No type checker ever added support for ``@no_type_check_decorator``. It
+      is therefore deprecated, and will be removed in Python 3.15.
 
 .. decorator:: override
 
@@ -3648,18 +3651,20 @@ Certain features in ``typing`` are deprecated and may be removed in a future
 version of Python. The following table summarizes major deprecations for your
 convenience. This is subject to change, and not all deprecations are listed.
 
-+----------------------------------+---------------+-------------------+----------------+
-|  Feature                         | Deprecated in | Projected removal | PEP/issue      |
-+==================================+===============+===================+================+
-|  ``typing`` versions of standard | 3.9           | Undecided         | :pep:`585`     |
-|  collections                     |               |                   |                |
-+----------------------------------+---------------+-------------------+----------------+
-|  ``typing.ByteString``           | 3.9           | 3.14              | :gh:`91896`    |
-+----------------------------------+---------------+-------------------+----------------+
-|  ``typing.Text``                 | 3.11          | Undecided         | :gh:`92332`    |
-+----------------------------------+---------------+-------------------+----------------+
-|  ``typing.Hashable`` and         | 3.12          | Undecided         | :gh:`94309`    |
-|  ``typing.Sized``                |               |                   |                |
-+----------------------------------+---------------+-------------------+----------------+
-|  ``typing.TypeAlias``            | 3.12          | Undecided         | :pep:`695`     |
-+----------------------------------+---------------+-------------------+----------------+
++-------------------------------------+---------------+-------------------+----------------+
+|  Feature                            | Deprecated in | Projected removal | PEP/issue      |
++=====================================+===============+===================+================+
+|  ``typing`` versions of standard    | 3.9           | Undecided         | :pep:`585`     |
+|  collections                        |               |                   |                |
++-------------------------------------+---------------+-------------------+----------------+
+|  ``typing.ByteString``              | 3.9           | 3.14              | :gh:`91896`    |
++-------------------------------------+---------------+-------------------+----------------+
+|  ``typing.Text``                    | 3.11          | Undecided         | :gh:`92332`    |
++-------------------------------------+---------------+-------------------+----------------+
+|  ``typing.Hashable`` and            | 3.12          | Undecided         | :gh:`94309`    |
+|  ``typing.Sized``                   |               |                   |                |
++-------------------------------------+---------------+-------------------+----------------+
+|  ``typing.TypeAlias``               | 3.12          | Undecided         | :pep:`695`     |
++-------------------------------------+---------------+-------------------+----------------+
+|  ``typing.no_type_check_decorator`` | 3.13          | 3.15              | :gh:`106309`   |
++-------------------------------------+---------------+-------------------+----------------+

Doc/whatsnew/3.13.rst

@@ -161,6 +161,10 @@ Deprecated
   ``NT = NamedTuple("NT", [])``. To create a TypedDict class with 0 fields, use
   ``class TD(TypedDict): pass`` or ``TD = TypedDict("TD", {})``.
   (Contributed by Alex Waygood in :gh:`105566` and :gh:`105570`.)
+* :func:`typing.no_type_check_decorator` is deprecated, and scheduled for
+  removal in Python 3.15. After eight years in the :mod:`typing` module, it
+  has yet to be supported by any major type checkers.
+  (Contributed by Alex Waygood in :gh:`106309`.)
 
 * :mod:`array`'s ``'u'`` format code, deprecated in docs since Python 3.3,
   emits :exc:`DeprecationWarning` since 3.13

Lib/asyncio/base_events.py

@@ -727,7 +727,7 @@ def call_later(self, delay, callback, *args, context=None):
         always relative to the current time.
 
         Each callback will be called exactly once.  If two callbacks
-        are scheduled for exactly the same time, it undefined which
+        are scheduled for exactly the same time, it is undefined which
         will be called first.
 
         Any positional arguments after the callback will be passed to

Lib/asyncio/events.py

@@ -617,7 +617,7 @@ class AbstractEventLoopPolicy:
     def get_event_loop(self):
         """Get the event loop for the current context.
 
-        Returns an event loop object implementing the BaseEventLoop interface,
+        Returns an event loop object implementing the AbstractEventLoop interface,
         or raises an exception in case no event loop has been set for the
         current context and the current policy does not specify to create one.
 

Lib/test/test_typing.py

@@ -5794,10 +5794,14 @@ class F:
                 get_type_hints(clazz)
 
     def test_meta_no_type_check(self):
-
-        @no_type_check_decorator
-        def magic_decorator(func):
-            return func
+        depr_msg = (
+            "'typing.no_type_check_decorator' is deprecated "
+            "and slated for removal in Python 3.15"
+        )
+        with self.assertWarnsRegex(DeprecationWarning, depr_msg):
+            @no_type_check_decorator
+            def magic_decorator(func):
+                return func
 
         self.assertEqual(magic_decorator.__name__, 'magic_decorator')
 

Lib/typing.py

@@ -2395,6 +2395,8 @@ def no_type_check_decorator(decorator):
     This wraps the decorator with something that wraps the decorated
     function in @no_type_check.
     """
+    import warnings
+    warnings._deprecated("typing.no_type_check_decorator", remove=(3, 15))
     @functools.wraps(decorator)
     def wrapped_decorator(*args, **kwds):
         func = decorator(*args, **kwds)

Misc/ACKS

@@ -226,6 +226,7 @@ Erik Bray
 Brian Brazil
 Demian Brecht
 Dave Brennan
+Christopher Richard James Brett
 Tom Bridgman
 Anthony Briggs
 Keith Briggs

Misc/NEWS.d/next/Library/2023-07-01-16-51-55.gh-issue-106309.hSlB17.rst

@@ -0,0 +1,2 @@
+Deprecate :func:`typing.no_type_check_decorator`. No major type checker ever
+added support for this decorator. Patch by Alex Waygood.