Merge branch 'main' of https://github.com/python/cpython into fix-circular-finalization

Author: ZeroIntensity

.github/workflows/jit.yml

@@ -5,6 +5,8 @@ on:
       - '**jit**'
       - 'Python/bytecodes.c'
       - 'Python/optimizer*.c'
+      - 'Python/executor_cases.c.h'
+      - 'Python/optimizer_cases.c.h'
       - '!Python/perf_jit_trampoline.c'
       - '!**/*.md'
       - '!**/*.ini'
@@ -13,6 +15,8 @@ on:
       - '**jit**'
       - 'Python/bytecodes.c'
       - 'Python/optimizer*.c'
+      - 'Python/executor_cases.c.h'
+      - 'Python/optimizer_cases.c.h'
       - '!Python/perf_jit_trampoline.c'
       - '!**/*.md'
       - '!**/*.ini'

.github/workflows/posix-deps-apt.sh

@@ -25,3 +25,10 @@ apt-get -yq install \
     uuid-dev \
     xvfb \
     zlib1g-dev
+
+# Workaround missing libmpdec-dev on ubuntu 24.04:
+# https://launchpad.net/~ondrej/+archive/ubuntu/php
+# https://deb.sury.org/
+sudo add-apt-repository ppa:ondrej/php
+apt-get update
+apt-get -yq install libmpdec-dev

.pre-commit-config.yaml

@@ -34,6 +34,13 @@ repos:
         name: Run Black on Tools/jit/
         files: ^Tools/jit/
 
+  - repo: https://github.com/Lucas-C/pre-commit-hooks
+    rev: v1.5.5
+    hooks:
+      - id: remove-tabs
+        types: [python]
+        exclude: ^Tools/c-analyzer/cpython/_parser.py
+
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
     hooks:

Doc/c-api/capsule.rst

@@ -105,9 +105,19 @@ Refer to :ref:`using-capsules` for more information on using these objects.
    ``module.attribute``.  The *name* stored in the capsule must match this
    string exactly.
 
+   This function splits *name* on the ``.`` character, and imports the first
+   element. It then processes further elements using attribute lookups.
+
    Return the capsule's internal *pointer* on success.  On failure, set an
    exception and return ``NULL``.
 
+   .. note::
+
+      If *name* points to an attribute of some submodule or subpackage, this
+      submodule or subpackage must be previously imported using other means
+      (for example, by using :c:func:`PyImport_ImportModule`) for the
+      attribute lookups to succeed.
+
    .. versionchanged:: 3.3
       *no_block* has no effect anymore.
 

Doc/c-api/init.rst

@@ -1250,7 +1250,7 @@ All of the following functions must be called after :c:func:`Py_Initialize`.
 .. c:function:: void PyInterpreterState_Clear(PyInterpreterState *interp)
 
    Reset all information in an interpreter state object.  There must be
-   an :term:`attached thread state` for the the interpreter.
+   an :term:`attached thread state` for the interpreter.
 
    .. audit-event:: cpython.PyInterpreterState_Clear "" c.PyInterpreterState_Clear
 
@@ -2277,6 +2277,18 @@ The C-API provides a basic mutual exclusion lock.
 
    .. versionadded:: 3.13
 
+.. c:function:: int PyMutex_IsLocked(PyMutex *m)
+
+   Returns non-zero if the mutex *m* is currently locked, zero otherwise.
+
+   .. note::
+
+      This function is intended for use in assertions and debugging only and
+      should not be used to make concurrency control decisions, as the lock
+      state may change immediately after the check.
+
+   .. versionadded:: next
+
 .. _python-critical-section-api:
 
 Python Critical Section API

Doc/c-api/long.rst

@@ -439,7 +439,7 @@ distinguished from a number.  Use :c:func:`PyErr_Occurred` to disambiguate.
    All *n_bytes* of the buffer are written: large buffers are padded with
    zeroes.
 
-   If the returned value is greater than than *n_bytes*, the value was
+   If the returned value is greater than *n_bytes*, the value was
    truncated: as many of the lowest bits of the value as could fit are written,
    and the higher bits are ignored. This matches the typical behavior
    of a C-style downcast.

Doc/c-api/object.rst

@@ -197,6 +197,13 @@ Object Protocol
    in favour of using :c:func:`PyObject_DelAttr`, but there are currently no
    plans to remove it.
 
+   The function must not be called with ``NULL`` *v* and an an exception set.
+   This case can arise from forgetting ``NULL`` checks and would delete the
+   attribute.
+
+   .. versionchanged:: next
+      Must not be called with NULL value if an exception is set.
+
 
 .. c:function:: int PyObject_SetAttrString(PyObject *o, const char *attr_name, PyObject *v)
 
@@ -207,6 +214,10 @@ Object Protocol
    If *v* is ``NULL``, the attribute is deleted, but this feature is
    deprecated in favour of using :c:func:`PyObject_DelAttrString`.
 
+   The function must not be called with ``NULL`` *v* and an an exception set.
+   This case can arise from forgetting ``NULL`` checks and would delete the
+   attribute.
+
    The number of different attribute names passed to this function
    should be kept small, usually by using a statically allocated string
    as *attr_name*.
@@ -215,6 +226,10 @@ Object Protocol
    For more details, see :c:func:`PyUnicode_InternFromString`, which may be
    used internally to create a key object.
 
+   .. versionchanged:: next
+      Must not be called with NULL value if an exception is set.
+
+
 .. c:function:: int PyObject_GenericSetAttr(PyObject *o, PyObject *name, PyObject *value)
 
    Generic attribute setter and deleter function that is meant

Doc/deprecations/c-api-pending-removal-in-3.15.rst

@@ -1,7 +1,6 @@
 Pending removal in Python 3.15
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-* The bundled copy of ``libmpdecimal``.
 * The :c:func:`!PyImport_ImportModuleNoBlock`:
   Use :c:func:`PyImport_ImportModule` instead.
 * :c:func:`PyWeakref_GetObject` and :c:func:`PyWeakref_GET_OBJECT`:

Doc/deprecations/c-api-pending-removal-in-3.16.rst

@@ -0,0 +1,4 @@
+Pending removal in Python 3.16
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+* The bundled copy of ``libmpdec``.

Doc/deprecations/pending-removal-in-3.15.rst

@@ -97,6 +97,8 @@ Pending removal in Python 3.15
     After eight years in the :mod:`typing` module,
     it has yet to be supported by any major type checker.
 
+* :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse` modules.
+
 * :mod:`wave`:
 
   * The ``getmark()``, ``setmark()`` and ``getmarkers()`` methods of