Merge branch 'main' into inlinecomp2

* main:
  pythongh-98831: rewrite PUSH_EXC_INFO and conditional jumps in the instruction definition DSL (python#101481)
  pythongh-98831: Modernize the LOAD_ATTR family (python#101488)
  pythongh-101498 : Fix asyncio.Timeout example in docs (python#101499)
  pythongh-101454: fix documentation for END_ASYNC_FOR (python#101455)
  pythongh-101277: Isolate itertools, add group and _grouper types to module state (python#101302)
  pythongh-101317: Add `ssl_shutdown_timeout` parameter for `asyncio.StreamWriter.start_tls` (python#101335)
  datetime.rst: fix combine() signature (python#101490)

Doc/library/asyncio-stream.rst

@@ -335,7 +335,7 @@ StreamWriter
       returns immediately.
 
    .. coroutinemethod:: start_tls(sslcontext, \*, server_hostname=None, \
-                          ssl_handshake_timeout=None)
+                          ssl_handshake_timeout=None, ssl_shutdown_timeout=None)
 
       Upgrade an existing stream-based connection to TLS.
 
@@ -350,8 +350,16 @@ StreamWriter
         handshake to complete before aborting the connection.  ``60.0`` seconds
         if ``None`` (default).
 
+      * *ssl_shutdown_timeout* is the time in seconds to wait for the SSL shutdown
+        to complete before aborting the connection. ``30.0`` seconds if ``None``
+        (default).
+
       .. versionadded:: 3.11
 
+      .. versionchanged:: 3.12
+         Added the *ssl_shutdown_timeout* parameter.
+
+
    .. method:: is_closing()
 
       Return ``True`` if the stream is closed or in the process of

Doc/library/asyncio-task.rst

@@ -666,7 +666,7 @@ Timeouts
             except TimeoutError:
                 pass
 
-            if cm.expired:
+            if cm.expired():
                 print("Looks like we haven't finished on time.")
 
     Timeout context managers can be safely nested.

Doc/library/datetime.rst

@@ -975,7 +975,7 @@ Other constructors, all class methods:
    microsecond of the result are all 0, and :attr:`.tzinfo` is ``None``.
 
 
-.. classmethod:: datetime.combine(date, time, tzinfo=self.tzinfo)
+.. classmethod:: datetime.combine(date, time, tzinfo=time.tzinfo)
 
    Return a new :class:`.datetime` object whose date components are equal to the
    given :class:`date` object's, and whose time components

Doc/library/dis.rst

@@ -616,10 +616,9 @@ not have to be) the original ``STACK[-2]``.
 .. opcode:: END_ASYNC_FOR
 
    Terminates an :keyword:`async for` loop.  Handles an exception raised
-   when awaiting a next item.  If ``STACK[-1]`` is :exc:`StopAsyncIteration` pop 3
-   values from the stack and restore the exception state using the second
-   of them.  Otherwise re-raise the exception using the value
-   from the stack.  An exception handler block is removed from the block stack.
+   when awaiting a next item. The stack contains the async iterable in
+   ``STACK[-2]`` and the raised exception in ``STACK[-1]``. Both are popped.
+   If the exception is not :exc:`StopAsyncIteration`, it is re-raised.
 
    .. versionadded:: 3.8
 

Lib/asyncio/streams.py

@@ -378,15 +378,17 @@ async def drain(self):
 
     async def start_tls(self, sslcontext, *,
                         server_hostname=None,
-                        ssl_handshake_timeout=None):
+                        ssl_handshake_timeout=None,
+                        ssl_shutdown_timeout=None):
         """Upgrade an existing stream-based connection to TLS."""
         server_side = self._protocol._client_connected_cb is not None
         protocol = self._protocol
         await self.drain()
         new_transport = await self._loop.start_tls(  # type: ignore
             self._transport, protocol, sslcontext,
             server_side=server_side, server_hostname=server_hostname,
-            ssl_handshake_timeout=ssl_handshake_timeout)
+            ssl_handshake_timeout=ssl_handshake_timeout,
+            ssl_shutdown_timeout=ssl_shutdown_timeout)
         self._transport = new_transport
         protocol._replace_writer(self)
 

Lib/test/test_itertools.py

@@ -1694,6 +1694,38 @@ def test_zip_longest_result_gc(self):
         gc.collect()
         self.assertTrue(gc.is_tracked(next(it)))
 
+    @support.cpython_only
+    def test_immutable_types(self):
+        from itertools import _grouper, _tee, _tee_dataobject
+        dataset = (
+            accumulate,
+            batched,
+            chain,
+            combinations,
+            combinations_with_replacement,
+            compress,
+            count,
+            cycle,
+            dropwhile,
+            filterfalse,
+            groupby,
+            _grouper,
+            islice,
+            pairwise,
+            permutations,
+            product,
+            repeat,
+            starmap,
+            takewhile,
+            _tee,
+            _tee_dataobject,
+            zip_longest,
+        )
+        for tp in dataset:
+            with self.subTest(tp=tp):
+                with self.assertRaisesRegex(TypeError, "immutable"):
+                    tp.foobar = 1
+
 
 class TestExamples(unittest.TestCase):
 

Misc/NEWS.d/next/Library/2023-01-26-01-25-56.gh-issue-101317.vWaS1x.rst

@@ -0,0 +1,2 @@
+Add *ssl_shutdown_timeout* parameter for :meth:`asyncio.StreamWriter.start_tls`.
+