Merge branch 'main' into jit-isinstance

Author: tomasr8

Doc/library/multiprocessing.rst

@@ -1369,6 +1369,12 @@ object -- see :ref:`multiprocessing-managers`.
    A solitary difference from its close analog exists: its ``acquire`` method's
    first argument is named *block*, as is consistent with :meth:`Lock.acquire`.
 
+   .. method:: locked()
+
+      Return a boolean indicating whether this object is locked right now.
+
+      .. versionadded:: 3.14
+
    .. note::
       On macOS, this is indistinguishable from :class:`Semaphore` because
       ``sem_getvalue()`` is not implemented on that platform.
@@ -1521,6 +1527,12 @@ object -- see :ref:`multiprocessing-managers`.
    A solitary difference from its close analog exists: its ``acquire`` method's
    first argument is named *block*, as is consistent with :meth:`Lock.acquire`.
 
+   .. method:: locked()
+
+      Return a boolean indicating whether this object is locked right now.
+
+      .. versionadded:: 3.14
+
 .. note::
 
    On macOS, ``sem_timedwait`` is unsupported, so calling ``acquire()`` with

Include/internal/pycore_opcode_metadata.h

@@ -1055,11 +1055,15 @@ def test_parse(self):
                 self.assertEqual(actual, parsed)
             # The parser should not get tripped up by any
             # other preceding statements
-            code = f'import xyz\n{code}'
-            with self.subTest(code=code):
+            _code = f'import xyz\n{code}'
+            parser = ImportParser(_code)
+            actual = parser.parse()
+            with self.subTest(code=_code):
                 self.assertEqual(actual, parsed)
-            code = f'import xyz;{code}'
-            with self.subTest(code=code):
+            _code = f'import xyz;{code}'
+            parser = ImportParser(_code)
+            actual = parser.parse()
+            with self.subTest(code=_code):
                 self.assertEqual(actual, parsed)
 
     def test_parse_error(self):

Lib/test/test_pyrepl/test_pyrepl.py

@@ -607,9 +607,9 @@ _io_BytesIO_readinto_impl(bytesio *self, Py_buffer *buffer)
             len = 0;
     }
 
-    memcpy(buffer->buf, PyBytes_AS_STRING(self->buf) + self->pos, len);
     assert(self->pos + len < PY_SSIZE_T_MAX);
     assert(len >= 0);
+    memcpy(buffer->buf, PyBytes_AS_STRING(self->buf) + self->pos, len);
     self->pos += len;
 
     return PyLong_FromSsize_t(len);

Modules/_io/bytesio.c

@@ -157,6 +157,13 @@ def generate_deopt_table(analysis: Analysis, out: CWriter) -> None:
         if inst.family is not None:
             deopt = inst.family.name
         deopts.append((inst.name, deopt))
+    defined = set(analysis.opmap.values())
+    for i in range(256):
+        if i not in defined:
+            deopts.append((f'{i}', f'{i}'))
+
+    assert len(deopts) == 256
+    assert len(set(x[0] for x in deopts)) == 256
     for name, deopt in sorted(deopts):
         out.emit(f"[{name}] = {deopt},\n")
     out.emit("};\n\n")