Update Python from 3.11.8 to 3.12.2

1 files changed, 11 insertions, 17 deletions

diff --git a/contrib/tools/python3/src/Lib/functools.py b/contrib/tools/python3/src/Lib/functools.py
index 43ead512e1..2ae4290f98 100644
--- a/contrib/tools/python3/src/Lib/functools.py
+++ b/contrib/tools/python3/src/Lib/functools.py
@@ -30,7 +30,7 @@ from types import GenericAlias
 # wrapper functions that can handle naive introspection
 
 WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__qualname__', '__doc__',
-                       '__annotations__')
+                       '__annotations__', '__type_params__')
 WRAPPER_UPDATES = ('__dict__',)
 def update_wrapper(wrapper,
                    wrapped,
@@ -956,18 +956,16 @@ class singledispatchmethod:
 
 
 ################################################################################
-### cached_property() - computed once per instance, cached as attribute
+### cached_property() - property result cached as instance attribute
 ################################################################################
 
 _NOT_FOUND = object()
 
-
 class cached_property:
     def __init__(self, func):
         self.func = func
         self.attrname = None
         self.__doc__ = func.__doc__
-        self.lock = RLock()
 
     def __set_name__(self, owner, name):
         if self.attrname is None:
@@ -994,19 +992,15 @@ class cached_property:
             raise TypeError(msg) from None
         val = cache.get(self.attrname, _NOT_FOUND)
         if val is _NOT_FOUND:
-            with self.lock:
-                # check if another thread filled cache while we awaited lock
-                val = cache.get(self.attrname, _NOT_FOUND)
-                if val is _NOT_FOUND:
-                    val = self.func(instance)
-                    try:
-                        cache[self.attrname] = val
-                    except TypeError:
-                        msg = (
-                            f"The '__dict__' attribute on {type(instance).__name__!r} instance "
-                            f"does not support item assignment for caching {self.attrname!r} property."
-                        )
-                        raise TypeError(msg) from None
+            val = self.func(instance)
+            try:
+                cache[self.attrname] = val
+            except TypeError:
+                msg = (
+                    f"The '__dict__' attribute on {type(instance).__name__!r} instance "
+                    f"does not support item assignment for caching {self.attrname!r} property."
+                )
+                raise TypeError(msg) from None
         return val
 
     __class_getitem__ = classmethod(GenericAlias)