Update Python from 3.11.8 to 3.12.2

1 files changed, 33 insertions, 11 deletions

diff --git a/contrib/tools/python3/src/Lib/asyncio/events.py b/contrib/tools/python3/src/Lib/asyncio/events.py
index cfc62156e4..016852880c 100644
--- a/contrib/tools/python3/src/Lib/asyncio/events.py
+++ b/contrib/tools/python3/src/Lib/asyncio/events.py
@@ -17,6 +17,7 @@ __all__ = (
 
 import contextvars
 import os
+import signal
 import socket
 import subprocess
 import sys
@@ -65,6 +66,9 @@ class Handle:
         info = self._repr_info()
         return '<{}>'.format(' '.join(info))
 
+    def get_context(self):
+        return self._context
+
     def cancel(self):
         if not self._cancelled:
             self._cancelled = True
@@ -675,6 +679,23 @@ class BaseDefaultEventLoopPolicy(AbstractEventLoopPolicy):
         if (self._local._loop is None and
                 not self._local._set_called and
                 threading.current_thread() is threading.main_thread()):
+            stacklevel = 2
+            try:
+                f = sys._getframe(1)
+            except AttributeError:
+                pass
+            else:
+                # Move up the call stack so that the warning is attached
+                # to the line outside asyncio itself.
+                while f:
+                    module = f.f_globals.get('__name__')
+                    if not (module == 'asyncio' or module.startswith('asyncio.')):
+                        break
+                    f = f.f_back
+                    stacklevel += 1
+            import warnings
+            warnings.warn('There is no current event loop',
+                          DeprecationWarning, stacklevel=stacklevel)
             self.set_event_loop(self.new_event_loop())
 
         if self._local._loop is None:
@@ -786,14 +807,6 @@ def get_event_loop():
     the result of `get_event_loop_policy().get_event_loop()` call.
     """
     # NOTE: this function is implemented in C (see _asynciomodule.c)
-    return _py__get_event_loop()
-
-
-def _get_event_loop(stacklevel=3):
-    # This internal method is going away in Python 3.12, left here only for
-    # backwards compatibility with 3.10.0 - 3.10.8 and 3.11.0.
-    # Similarly, this method's C equivalent in _asyncio is going away as well.
-    # See GH-99949 for more details.
     current_loop = _get_running_loop()
     if current_loop is not None:
         return current_loop
@@ -826,7 +839,6 @@ _py__get_running_loop = _get_running_loop
 _py__set_running_loop = _set_running_loop
 _py_get_running_loop = get_running_loop
 _py_get_event_loop = get_event_loop
-_py__get_event_loop = _get_event_loop
 
 
 try:
@@ -834,7 +846,7 @@ try:
     # functions in asyncio.  Pure Python implementation is
     # about 4 times slower than C-accelerated.
     from _asyncio import (_get_running_loop, _set_running_loop,
-                          get_running_loop, get_event_loop, _get_event_loop)
+                          get_running_loop, get_event_loop)
 except ImportError:
     pass
 else:
@@ -843,4 +855,14 @@ else:
     _c__set_running_loop = _set_running_loop
     _c_get_running_loop = get_running_loop
     _c_get_event_loop = get_event_loop
-    _c__get_event_loop = _get_event_loop
+
+
+if hasattr(os, 'fork'):
+    def on_fork():
+        # Reset the loop and wakeupfd in the forked child process.
+        if _event_loop_policy is not None:
+            _event_loop_policy._local = BaseDefaultEventLoopPolicy._Local()
+        _set_running_loop(None)
+        signal.set_wakeup_fd(-1)
+
+    os.register_at_fork(after_in_child=on_fork)