Import CPython 3.14.7+ stable branch (2026-08-06)

Summary:
Imported python/cpython `3.14.7+` from upstream rev [`085fd75`](https://www.github.com/python/cpython/commit/085fd75cb2b0b2b16d640020835545b9988e63fb) (committed 2026-08-06 15:18:32+00:00).

# Commit Info

- Base: (`3.14.6+`) - [`1f574b1`](https://www.github.com/python/cpython/commit/1f574b1ce58067f9fdaad0b5ff9a3bfb87151e4c) (commit date: 2026-08-03 21:14:27+00:00)
- Imported: (`3.14.7+`) - [`085fd75`](https://www.github.com/python/cpython/commit/085fd75cb2b0b2b16d640020835545b9988e63fb) (commit date: 2026-08-06 15:18:32+00:00)

# Noteworthy file changes

- Stdlib files (1 added, 1 removed)
- Low-signal files (4 added, 211 removed) (NEWS.d, docs, .github)

Complete list of added/removed files: https://www.internalfb.com/intern/everpaste/?color=0&handle=GA1mfCcS9fJowcUDAGWPU_d-37wzbr0LAAAz

Reviewed By: itamaro

Differential Revision: D115117124

fbshipit-source-id: 0fc3e0da6c62854aef7e30688a34ddd9ea5c2612

Author: generatedunixname1734921407115435

Doc/c-api/frame.rst

@@ -269,29 +269,8 @@ Unless using :pep:`523`, you will not need this.
       * - .. c:macro:: PyUnstable_EXECUTABLE_KIND_METHOD_DESCRIPTOR
         - The frame corresponds to a method on a class instance.
 
-   However, Python's C API lacks a function to read the executable kind from
-   a frame. Instead, use this recipe:
-
-   .. code-block:: c
-
-      int
-      get_executable_kind(PyFrameObject *frame)
-      {
-         _PyInterpreterFrame *f = frame->f_frame;
-         PyObject *exec = PyStackRef_AsPyObjectBorrow(f->f_executable);
-
-         if (PyCode_Check(exec)) {
-            return PyUnstable_EXECUTABLE_KIND_PY_FUNCTION;
-         }
-         if (PyMethod_Check(exec)) {
-            return PyUnstable_EXECUTABLE_KIND_BUILTIN_FUNCTION;
-         }
-         if (Py_IS_TYPE(exec, &PyMethodDescr_Type)) {
-            return PyUnstable_EXECUTABLE_KIND_METHOD_DESCRIPTOR;
-         }
-
-         return PyUnstable_EXECUTABLE_KIND_SKIP;
-      }
+   Note that reading the executable kind from a frame is currently only
+   possible with undocumented internal APIs.
 
    .. versionadded:: 3.13
 

Doc/c-api/init_config.rst

@@ -623,7 +623,7 @@ Some options are read from the :mod:`sys` attributes. For example, the option
 
    .. versionadded:: 3.14
 
-   .. versionchanged:: next
+   .. versionchanged:: 3.14.7
       The function now replaces :data:`sys.flags` (create a new object),
       instead of modifying :data:`sys.flags` in-place.
 

Doc/library/asyncio-stream.rst

@@ -382,6 +382,16 @@ StreamWriter
       be resumed.  When there is nothing to wait for, the :meth:`drain`
       returns immediately.
 
+      .. note::
+
+         When the write buffer is below the high watermark,
+         :meth:`drain` returns immediately without yielding to
+         the event loop.  As a result, code which repeatedly calls
+         ``write()`` followed by ``await drain()`` may prevent other
+         tasks from running.  To prevent blocking behavior, yield
+         to the event loop explicitly with ``await asyncio.sleep(0)``
+         (see :func:`asyncio.sleep`).
+
    .. method:: start_tls(sslcontext, *, server_hostname=None, \
                          ssl_handshake_timeout=None, ssl_shutdown_timeout=None)
       :async:

Doc/library/concurrent.futures.rst

@@ -421,7 +421,7 @@ in a REPL or a lambda should not be expected to work.
       require the *fork* start method for :class:`ProcessPoolExecutor` you must
       explicitly pass ``mp_context=multiprocessing.get_context("fork")``.
 
-   .. versionchanged:: next
+   .. versionchanged:: 3.14.7
       Fixed a deadlock (:gh:`115634`) where the executor could hang after
       a worker process exited upon reaching its *max_tasks_per_child*
       limit while tasks remained queued.

Doc/library/datetime.rst

@@ -1531,11 +1531,11 @@ Instance methods:
    returned by :func:`time.time`.
 
    Naive :class:`.datetime` instances are assumed to represent local
-   time and this method relies on the platform C :c:func:`mktime`
-   function to perform the conversion. Since :class:`!datetime`
-   supports wider range of values than :c:func:`mktime` on many
-   platforms, this method may raise :exc:`OverflowError` or :exc:`OSError`
-   for times far in the past or far in the future.
+   time and this method relies on platform C functions to perform
+   the conversion. Since :class:`!datetime` supports a wider range of
+   values than the platform C functions on many platforms, this
+   method may raise :exc:`OverflowError` or :exc:`OSError` for times
+   far in the past or far in the future.
 
    For aware :class:`.datetime` instances, the return value is computed
    as::
@@ -1562,6 +1562,10 @@ Instance methods:
       The :meth:`timestamp` method uses the :attr:`.fold` attribute to
       disambiguate the times during a repeated interval.
 
+   .. versionchanged:: 3.6
+      This method no longer relies on the platform C :c:func:`mktime`
+      function to perform conversions.
+
 
 .. method:: datetime.weekday()
 

Doc/library/test.rst

@@ -965,7 +965,7 @@ The :mod:`!test.support` module defines the following functions:
 
 .. currentmodule:: test.support.isolation
 
-.. decorator:: runInSubprocess()
+.. decorator:: runInSubprocess(*, options=(), env=None, timeout=None)
 
    Decorator that runs the decorated test in a fresh interpreter subprocess, in
    isolation, so that it does not share global or interpreter state with the
@@ -999,6 +999,19 @@ The :mod:`!test.support` module defines the following functions:
    :func:`~test.support.bigmemtest` and the like behave consistently in both
    processes.
 
+   *options* is a sequence of interpreter command line options
+   to run the subprocess with,
+   and *env* is a mapping of environment variables to set in it,
+   on top of the inherited environment.
+   A value of ``None`` in *env* unsets the variable.
+   Note that :option:`-E` and :option:`-I` make the subprocess ignore
+   the ``PYTHON*`` environment variables, including :envvar:`PYTHONPATH`.
+
+   *timeout* is the number of seconds to wait for the subprocess;
+   the test is reported as an error if it does not complete in time.
+   By default there is no timeout,
+   and a hung test is left to the timeout of the test runner.
+
    The test is skipped on platforms without subprocess support.
 
 

Doc/tools/templates/indexcontent.html

@@ -82,10 +82,16 @@ <h1>{{ docstitle|e }}</h1>
   <p><strong>{% trans %}Other resources:{% endtrans %}</strong></p>
   <div class="contentstable">
     <ul>
+      <li class="biglink"><a class="biglink" href="https://devguide.python.org">{% trans %}Python developer's guide{% endtrans %}</a><br>
+         <span class="linkdescr">{% trans %}Information on contributing to Python{% endtrans %}</span></li>
       <li class="biglink"><a class="biglink" href="https://packaging.python.org">{% trans %}Python Packaging User Guide{% endtrans %}</a><br>
          <span class="linkdescr">{% trans %}Resources relating to Python packaging{% endtrans %}</span></li>
+      <li class="biglink"><a class="biglink" href="https://www.python.org/doc/av/">{% trans %}Audio/visual talks{% endtrans %}</a><br>
+         <span class="linkdescr">{% trans %}Podcasts, talks, and video presentations from the community{% endtrans %}</span></li>
     </ul>
     <ul>
+      <li class="biglink"><a class="biglink" href="https://peps.python.org/">{% trans %}Python Enhancement Proposals{% endtrans %}</a><br>
+         <span class="linkdescr">{% trans %}Index of proposed improvements to Python{% endtrans %}</span></li>
       <li class="biglink"><a class="biglink" href="https://typing.python.org">{% trans %}Static Typing with Python{% endtrans %}</a><br>
          <span class="linkdescr">{% trans %}Information and guides about Python type safety{% endtrans %}</span></li>
     </ul>

Doc/tools/templates/indexsidebar.html

@@ -6,12 +6,3 @@ <h3>{% trans %}Docs by version{% endtrans %}</h3>
   {% include "_docs_by_version.html" without context %}
   <li><a href="https://www.python.org/doc/versions/">{% trans %}All versions{% endtrans %}</a></li>
 </ul>
-<h3>{% trans %}Other resources{% endtrans %}</h3>
-<ul>
-  {# XXX: many of these should probably be merged in the main docs #}
-  <li><a href="https://peps.python.org/">{% trans %}PEP index{% endtrans %}</a></li>
-  <li><a href="https://wiki.python.org/moin/BeginnersGuide">{% trans %}Beginner's guide{% endtrans %}</a></li>
-  <li><a href="https://wiki.python.org/moin/PythonBooks">{% trans %}Book list{% endtrans %}</a></li>
-  <li><a href="https://www.python.org/doc/av/">{% trans %}Audio/visual talks{% endtrans %}</a></li>
-  <li><a href="https://devguide.python.org/">{% trans %}Python developer’s guide{% endtrans %}</a></li>
-</ul>

Include/patchlevel.h

@@ -19,12 +19,12 @@
 /*--start constants--*/
 #define PY_MAJOR_VERSION        3
 #define PY_MINOR_VERSION        14
-#define PY_MICRO_VERSION        6
+#define PY_MICRO_VERSION        7
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_FINAL
 #define PY_RELEASE_SERIAL       0
 
 /* Version as a string */
-#define PY_VERSION              "3.14.6+meta"
+#define PY_VERSION              "3.14.7+meta"
 /*--end constants--*/
 
 

Lib/_pydecimal.py

@@ -1821,9 +1821,10 @@ def __round__(self, n=None):
         Decimal('123.46')
         >>> round(Decimal('123.456'), -2)
         Decimal('1E+2')
-        >>> round(Decimal('-Infinity'), 37)
+        >>> with localcontext(ExtendedContext):
+        ...     round(Decimal('-Infinity'), 37)
+        ...     round(Decimal('sNaN123'), 0)
         Decimal('NaN')
-        >>> round(Decimal('sNaN123'), 0)
         Decimal('NaN123')
 
         """