[pull] main from python:main

.github/CODEOWNERS

@@ -260,33 +260,33 @@ Include/pyhash.h                 @gpshead @picnixz
 Python/pyhash.c                  @gpshead @picnixz
 
 # The import system (including importlib)
-**/*import*                   @brettcannon @ericsnowcurrently @ncoghlan @warsaw
-Python/import.c               @brettcannon @ericsnowcurrently @ncoghlan @warsaw @kumaraditya303
+**/*import*                   @brettcannon @ericsnowcurrently @ncoghlan @warsaw @FFY00
+Python/import.c               @brettcannon @ericsnowcurrently @ncoghlan @warsaw @FFY00 @kumaraditya303
 **/*freeze*                   @ericsnowcurrently
 **/*frozen*                   @ericsnowcurrently
 **/*modsupport*               @ericsnowcurrently
-**/*modulefinder*             @ericsnowcurrently
+**/*modulefinder*             @ericsnowcurrently @FFY00
 **/*moduleobject*             @ericsnowcurrently
 **/*multiphase*               @ericsnowcurrently
-**/*pkgutil*                  @ericsnowcurrently
+**/*pkgutil*                  @ericsnowcurrently @FFY00
 **/*pythonrun*                @ericsnowcurrently
-**/*runpy*                    @ericsnowcurrently
+**/*runpy*                    @ericsnowcurrently @FFY00
 **/*singlephase*              @ericsnowcurrently
 Doc/c-api/module.rst          @ericsnowcurrently
 Lib/test/test_module/         @ericsnowcurrently
-Python/dynload_*.c            @ericsnowcurrently
+Python/dynload_*.c            @ericsnowcurrently @FFY00
 
 # Initialisation
-**/*initconfig*               @ericsnowcurrently
-**/*pathconfig*               @ericsnowcurrently
-**/*preconfig*                @ericsnowcurrently
+**/*initconfig*               @ericsnowcurrently @FFY00
+**/*pathconfig*               @ericsnowcurrently @FFY00
+**/*preconfig*                @ericsnowcurrently @FFY00
 Doc/library/sys_path_init.rst @FFY00
 Doc/c-api/init_config.rst     @FFY00
 
 # Interpreter main program
-Modules/main.c                @ericsnowcurrently
-Programs/_bootstrap_python.c  @ericsnowcurrently
-Programs/python.c             @ericsnowcurrently
+Modules/main.c                @ericsnowcurrently @FFY00
+Programs/_bootstrap_python.c  @ericsnowcurrently @FFY00
+Programs/python.c             @ericsnowcurrently @FFY00
 
 # JIT
 .github/workflows/jit.yml     @savannahostrowski
@@ -316,8 +316,8 @@ Tools/peg_generator/          @pablogsal @lysnikolaou
 
 # Runtime state/lifecycle
 **/*gil*                      @ericsnowcurrently
-**/*pylifecycle*              @ericsnowcurrently @ZeroIntensity
-**/*pystate*                  @ericsnowcurrently @ZeroIntensity
+**/*pylifecycle*              @ericsnowcurrently @ZeroIntensity @FFY00
+**/*pystate*                  @ericsnowcurrently @ZeroIntensity @FFY00
 Include/internal/pycore_*_init.h          @ericsnowcurrently
 Include/internal/pycore_*_state.h         @ericsnowcurrently
 Include/internal/pycore_atexit.h          @ericsnowcurrently
@@ -505,13 +505,13 @@ Lib/idlelib/                  @terryjreedy
 Lib/turtledemo/               @terryjreedy
 
 # importlib.metadata
-Doc/library/importlib.metadata.rst  @jaraco @warsaw
-Lib/importlib/metadata/             @jaraco @warsaw
-Lib/test/test_importlib/metadata/   @jaraco @warsaw
+Doc/library/importlib.metadata.rst  @jaraco @warsaw @FFY00
+Lib/importlib/metadata/             @jaraco @warsaw @FFY00
+Lib/test/test_importlib/metadata/   @jaraco @warsaw @FFY00
 
 # importlib.resources
-Doc/library/importlib.resources.abc.rst   @jaraco @warsaw
-Doc/library/importlib.resources.rst       @jaraco @warsaw
+Doc/library/importlib.resources.abc.rst   @jaraco @warsaw @FFY00
+Doc/library/importlib.resources.rst       @jaraco @warsaw @FFY00
 Lib/importlib/resources/                  @jaraco @warsaw @FFY00
 Lib/test/test_importlib/resources/        @jaraco @warsaw @FFY00
 

Doc/library/os.rst

@@ -2409,6 +2409,10 @@ features:
    .. versionchanged:: 3.6
       Accepts a :term:`path-like object`.
 
+   .. versionchanged:: next
+      ``os.listdir(-1)`` now fails with ``OSError(errno.EBADF)`` rather than
+      listing the current directory.
+
 
 .. function:: listdrives()
 
@@ -2939,6 +2943,10 @@ features:
    .. versionchanged:: 3.7
       Added support for :ref:`file descriptors <path_fd>` on Unix.
 
+   .. versionchanged:: next
+      ``os.scandir(-1)`` now fails with ``OSError(errno.EBADF)`` rather than
+      listing the current directory.
+
 
 .. class:: DirEntry
 
@@ -4574,6 +4582,10 @@ These functions are all available on Linux only.
    .. versionchanged:: 3.6
       Accepts a :term:`path-like object`.
 
+   .. versionchanged:: next
+      ``os.listxattr(-1)`` now fails with ``OSError(errno.EBADF)`` rather than
+      listing extended attributes of the current directory.
+
 
 .. function:: removexattr(path, attribute, *, follow_symlinks=True)
 

Doc/library/stdtypes.rst

@@ -4536,7 +4536,7 @@ copying.
    types such as :class:`bytes` and :class:`bytearray`, an element is a single
    byte, but other types such as :class:`array.array` may have bigger elements.
 
-   ``len(view)`` is equal to the length of :class:`~memoryview.tolist`, which
+   ``len(view)`` is equal to the length of :meth:`~memoryview.tolist`, which
    is the nested list representation of the view. If ``view.ndim = 1``,
    this is equal to the number of elements in the view.
 

Doc/library/wave.rst

@@ -181,11 +181,21 @@ Wave_write Objects
       Set the number of channels.
 
 
+   .. method:: getnchannels()
+
+      Return the number of channels.
+
+
    .. method:: setsampwidth(n)
 
       Set the sample width to *n* bytes.
 
 
+   .. method:: getsampwidth()
+
+      Return the sample width in bytes.
+
+
    .. method:: setframerate(n)
 
       Set the frame rate to *n*.
@@ -195,26 +205,53 @@ Wave_write Objects
          integer.
 
 
+   .. method:: getframerate()
+
+      Return the frame rate.
+
+
    .. method:: setnframes(n)
 
       Set the number of frames to *n*.  This will be changed later if the number
       of frames actually written is different (this update attempt will
       raise an error if the output stream is not seekable).
 
 
+   .. method:: getnframes()
+
+      Return the number of audio frames written so far.
+
+
    .. method:: setcomptype(type, name)
 
       Set the compression type and description. At the moment, only compression type
       ``NONE`` is supported, meaning no compression.
 
 
+   .. method:: getcomptype()
+
+      Return the compression type (``'NONE'``).
+
+
+   .. method:: getcompname()
+
+      Return the human-readable compression type name.
+
+
    .. method:: setparams(tuple)
 
       The *tuple* should be ``(nchannels, sampwidth, framerate, nframes, comptype,
       compname)``, with values valid for the ``set*()`` methods.  Sets all
       parameters.
 
 
+   .. method:: getparams()
+
+      Return a :func:`~collections.namedtuple`
+      ``(nchannels, sampwidth, framerate, nframes, comptype, compname)``
+      containing the current output parameters.
+
+
    .. method:: tell()
 
       Return current position in the file, with the same disclaimer for the

Lib/test/test_functools.py

@@ -514,6 +514,58 @@ def test_partial_genericalias(self):
         self.assertEqual(alias.__args__, (int,))
         self.assertEqual(alias.__parameters__, ())
 
+    # GH-144475: Tests that the partial object does not change until repr finishes
+    def test_repr_safety_against_reentrant_mutation(self):
+        g_partial = None
+
+        class Function:
+            def __init__(self, name):
+                self.name = name
+
+            def __call__(self):
+                return None
+
+            def __repr__(self):
+                return f"Function({self.name})"
+
+        class EvilObject:
+            def __init__(self):
+                self.triggered = False
+
+            def __repr__(self):
+                if not self.triggered and g_partial is not None:
+                    self.triggered = True
+                    new_args_tuple = (None,)
+                    new_keywords_dict = {"keyword": None}
+                    new_tuple_state = (Function("new_function"), new_args_tuple, new_keywords_dict, None)
+                    g_partial.__setstate__(new_tuple_state)
+                    gc.collect()
+                return f"EvilObject"
+
+        trigger = EvilObject()
+        func = Function("old_function")
+
+        g_partial = functools.partial(func, None, trigger=trigger)
+        self.assertEqual(repr(g_partial),"functools.partial(Function(old_function), None, trigger=EvilObject)")
+
+        trigger.triggered = False
+        g_partial = functools.partial(func, trigger, arg=None)
+        self.assertEqual(repr(g_partial),"functools.partial(Function(old_function), EvilObject, arg=None)")
+
+
+        trigger.triggered = False
+        g_partial = functools.partial(func, trigger, None)
+        self.assertEqual(repr(g_partial),"functools.partial(Function(old_function), EvilObject, None)")
+
+        trigger.triggered = False
+        g_partial = functools.partial(func, trigger=trigger, arg=None)
+        self.assertEqual(repr(g_partial),"functools.partial(Function(old_function), trigger=EvilObject, arg=None)")
+
+        trigger.triggered = False
+        g_partial = functools.partial(func, trigger, None, None, None, None, arg=None)
+        self.assertEqual(repr(g_partial),"functools.partial(Function(old_function), EvilObject, None, None, None, None, arg=None)")
+
+
 
 @unittest.skipUnless(c_functools, 'requires the C _functools module')
 class TestPartialC(TestPartial, unittest.TestCase):

Lib/test/test_lazy_import/__init__.py

@@ -12,6 +12,7 @@
 import os
 
 from test import support
+from test.support.script_helper import assert_python_ok
 
 try:
     import _testcapi
@@ -219,6 +220,16 @@ def test_lazy_import_type_cant_construct(self):
         """LazyImportType should not be directly constructible."""
         self.assertRaises(TypeError, types.LazyImportType, {}, "module")
 
+    @support.requires_subprocess()
+    def test_lazy_import_type_attributes_accessible(self):
+        """Check that static PyLazyImport_Type is initialized at startup."""
+        code = textwrap.dedent("""
+            lazy import json
+            print(globals()["json"].resolve)
+        """)
+        proc = assert_python_ok("-c", code)
+        self.assertIn(b"<built-in method resolve of lazy_import object at", proc.out)
+
 
 class SyntaxRestrictionTests(unittest.TestCase):
     """Tests for syntax restrictions on lazy imports."""

Lib/test/test_os/test_os.py

@@ -2784,10 +2784,61 @@ def test_fpathconf_bad_fd(self):
         'musl fpathconf ignores the file descriptor and returns a constant',
         )
     def test_pathconf_negative_fd_uses_fd_semantics(self):
+        if os.pathconf not in os.supports_fd:
+            self.skipTest('needs fpathconf()')
+
         with self.assertRaises(OSError) as ctx:
             os.pathconf(-1, 1)
         self.assertEqual(ctx.exception.errno, errno.EBADF)
 
+    @support.subTests("fd", [-1, -5])
+    def test_negative_fd_ebadf(self, fd):
+        tests = [(os.stat, fd)]
+        if hasattr(os, "statx"):
+            tests.append((os.statx, fd, 0))
+        if os.chdir in os.supports_fd:
+            tests.append((os.chdir, fd))
+        if os.chmod in os.supports_fd:
+            tests.append((os.chmod, fd, 0o777))
+        if hasattr(os, "chown") and os.chown in os.supports_fd:
+            tests.append((os.chown, fd, 0, 0))
+        if os.listdir in os.supports_fd:
+            tests.append((os.listdir, fd))
+        if os.utime in os.supports_fd:
+            tests.append((os.utime, fd, (0, 0)))
+        if hasattr(os, "truncate") and os.truncate in os.supports_fd:
+            tests.append((os.truncate, fd, 0))
+        if hasattr(os, 'statvfs') and os.statvfs in os.supports_fd:
+            tests.append((os.statvfs, fd))
+        if hasattr(os, "setxattr"):
+            tests.append((os.getxattr, fd, b"user.test"))
+            tests.append((os.setxattr, fd, b"user.test", b"1"))
+            tests.append((os.removexattr, fd, b"user.test"))
+            tests.append((os.listxattr, fd))
+        if os.scandir in os.supports_fd:
+            tests.append((os.scandir, fd))
+
+        for func, *args in tests:
+            with self.subTest(func=func, args=args):
+                with self.assertRaises(OSError) as ctx:
+                    func(*args)
+                self.assertEqual(ctx.exception.errno, errno.EBADF)
+
+        if hasattr(os, "execve") and os.execve in os.supports_fd:
+            # glibc fails with EINVAL, musl fails with EBADF
+            with self.assertRaises(OSError) as ctx:
+                os.execve(fd, [sys.executable, "-c", "pass"], os.environ)
+            self.assertIn(ctx.exception.errno, (errno.EBADF, errno.EINVAL))
+
+        if support.MS_WINDOWS:
+            import nt
+            self.assertFalse(nt._path_exists(fd))
+            self.assertFalse(nt._path_lexists(fd))
+            self.assertFalse(nt._path_isdir(fd))
+            self.assertFalse(nt._path_isfile(fd))
+            self.assertFalse(nt._path_islink(fd))
+            self.assertFalse(nt._path_isjunction(fd))
+
     @unittest.skipUnless(hasattr(os, 'ftruncate'), 'test needs os.ftruncate()')
     def test_ftruncate(self):
         self.check(os.truncate, 0)

Misc/NEWS.d/next/Core_and_Builtins/2026-02-28-16-46-17.gh-issue-145376.lG5u1a.rst

@@ -0,0 +1 @@
+Fix reference leaks in various unusual error scenarios.

Misc/NEWS.d/next/Documentation/2026-03-03-08-18-00.gh-issue-145450.VI7GXj.rst

@@ -0,0 +1 @@
+Document missing public :class:`wave.Wave_write` getter methods.

Misc/NEWS.d/next/Library/2026-02-07-16-37-42.gh-issue-144475.8tFEXw.rst

@@ -0,0 +1,3 @@
+Calling :func:`repr` on :func:`functools.partial` is now safer
+when the partial object's internal attributes are replaced while
+the string representation is being generated.

Misc/NEWS.d/next/Library/2026-03-02-20-08-09.gh-issue-145335.lVTBvd.rst

@@ -0,0 +1,5 @@
+``os.listdir(-1)`` and ``os.scandir(-1)`` now fail with
+``OSError(errno.EBADF)`` rather than listing the current directory.
+``os.listxattr(-1)`` now fails with ``OSError(errno.EBADF)`` rather than
+listing extended attributes of the current directory. Patch by Victor
+Stinner.