Merge branch 'main' into fix-issue-129069

Author: tom-pytel

.github/workflows/tail-call.yml

@@ -45,7 +45,7 @@ jobs:
           - aarch64-unknown-linux-gnu/gcc
           - free-threading
         llvm:
-          - 19
+          - 20
         include:
 #          - target: i686-pc-windows-msvc/msvc
 #            architecture: Win32
@@ -83,9 +83,9 @@ jobs:
         if: runner.os == 'Windows' && matrix.architecture != 'ARM64'
         shell: cmd
         run: |
-          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.5
+          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.0
           set PlatformToolset=clangcl
-          set LLVMToolsVersion=${{ matrix.llvm }}.1.5
+          set LLVMToolsVersion=${{ matrix.llvm }}.1.0
           set LLVMInstallDir=C:\Program Files\LLVM
           call ./PCbuild/build.bat --tail-call-interp -d -p ${{ matrix.architecture }}
           call ./PCbuild/rt.bat -d -p ${{ matrix.architecture }} -q --multiprocess 0 --timeout 4500 --verbose2 --verbose3
@@ -95,26 +95,28 @@ jobs:
         if: runner.os == 'Windows' && matrix.architecture == 'ARM64'
         shell: cmd
         run: |
-          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.5
+          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.0
           set PlatformToolset=clangcl
-          set LLVMToolsVersion=${{ matrix.llvm }}.1.5
+          set LLVMToolsVersion=${{ matrix.llvm }}.1.0
           set LLVMInstallDir=C:\Program Files\LLVM
           ./PCbuild/build.bat --tail-call-interp -p ${{ matrix.architecture }}
 
         # The `find` line is required as a result of https://github.com/actions/runner-images/issues/9966.
         # This is a bug in the macOS runner image where the pre-installed Python is installed in the same
         # directory as the Homebrew Python, which causes the build to fail for macos-13. This line removes
         # the symlink to the pre-installed Python so that the Homebrew Python is used instead.
+        # Note: when a new LLVM is released, the homebrew installation directory changes, so the builds will fail.
+        # We either need to upgrade LLVM or change the directory being pointed to.
       - name: Native macOS (release)
         if: runner.os == 'macOS'
         run: |
           brew update
           find /usr/local/bin -lname '*/Library/Frameworks/Python.framework/*' -delete
           brew install llvm@${{ matrix.llvm }}
           export SDKROOT="$(xcrun --show-sdk-path)"
-          export PATH="/opt/homebrew/opt/llvm@${{ matrix.llvm }}/bin:$PATH"
-          export PATH="/usr/local/opt/llvm@${{ matrix.llvm }}/bin:$PATH"
-          CC=clang-19 ./configure --with-tail-call-interp
+          export PATH="/usr/local/opt/llvm/bin:$PATH"
+          export PATH="/opt/homebrew/opt/llvm/bin:$PATH"
+          CC=clang-20 ./configure --with-tail-call-interp
           make all --jobs 4
           ./python.exe -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 
@@ -123,7 +125,7 @@ jobs:
         run: |
           sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
           export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
-          CC=clang-19 ./configure --with-tail-call-interp --with-pydebug
+          CC=clang-20 ./configure --with-tail-call-interp --with-pydebug
           make all --jobs 4
           ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 
@@ -132,7 +134,7 @@ jobs:
         run: |
           sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
           export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
-          CC=clang-19 ./configure --with-tail-call-interp --disable-gil
+          CC=clang-20 ./configure --with-tail-call-interp --disable-gil
           make all --jobs 4
           ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 

.gitignore

@@ -38,6 +38,7 @@ tags
 TAGS
 .vs/
 .vscode/
+.cache/
 gmon.out
 .coverage
 .mypy_cache/

Doc/Makefile

@@ -204,6 +204,7 @@ dist-html:
 	find dist -name 'python-$(DISTVERSION)-docs-html*' -exec rm -rf {} \;
 	$(MAKE) html
 	cp -pPR build/html dist/python-$(DISTVERSION)-docs-html
+	rm -rf dist/python-$(DISTVERSION)-docs-html/_images/social_previews/
 	tar -C dist -cf dist/python-$(DISTVERSION)-docs-html.tar python-$(DISTVERSION)-docs-html
 	bzip2 -9 -k dist/python-$(DISTVERSION)-docs-html.tar
 	(cd dist; zip -q -r -9 python-$(DISTVERSION)-docs-html.zip python-$(DISTVERSION)-docs-html)

Doc/c-api/arg.rst

@@ -357,11 +357,26 @@ Other objects
 
    .. versionadded:: 3.3
 
-``(items)`` (:class:`tuple`) [*matching-items*]
-   The object must be a Python sequence whose length is the number of format units
+``(items)`` (sequence) [*matching-items*]
+   The object must be a Python sequence (except :class:`str`, :class:`bytes`
+   or :class:`bytearray`) whose length is the number of format units
    in *items*.  The C arguments must correspond to the individual format units in
    *items*.  Format units for sequences may be nested.
 
+   If *items* contains format units which store a :ref:`borrowed buffer
+   <c-arg-borrowed-buffer>` (``s``, ``s#``, ``z``, ``z#``, ``y``, or ``y#``)
+   or a :term:`borrowed reference` (``S``, ``Y``, ``U``, ``O``, or ``O!``),
+   the object must be a Python tuple.
+   The *converter* for the ``O&`` format unit in *items* must not store
+   a borrowed buffer or a borrowed reference.
+
+   .. versionchanged:: next
+      :class:`str` and :class:`bytearray` objects no longer accepted as a sequence.
+
+   .. deprecated:: next
+      Non-tuple sequences are deprecated if *items* contains format units
+      which store a borrowed buffer or a borrowed reference.
+
 A few other characters have a meaning in a format string.  These may not occur
 inside nested parentheses.  They are:
 

Doc/c-api/monitoring.rst

@@ -205,6 +205,6 @@ would typically correspond to a python function.
 
    .. versionadded:: 3.13
 
-   .. deprecated:: next
+   .. deprecated:: 3.14
 
       This function is :term:`soft deprecated`.

Doc/conf.py

@@ -624,11 +624,19 @@
 # Options for sphinxext-opengraph
 # -------------------------------
 
-ogp_site_url = 'https://docs.python.org/3/'
+ogp_canonical_url = 'https://docs.python.org/3/'
 ogp_site_name = 'Python documentation'
-ogp_image = '_static/og-image.png'
+ogp_social_cards = {  # Used when matplotlib is installed
+    'image': '_static/og-image.png',
+    'line_color': '#3776ab',
+}
 ogp_custom_meta_tags = [
-    '<meta property="og:image:width" content="200" />',
-    '<meta property="og:image:height" content="200" />',
-    '<meta name="theme-color" content="#3776ab" />',
+    '<meta name="theme-color" content="#3776ab">',
 ]
+if 'create-social-cards' not in tags:  # noqa: F821
+    # Define a static preview image when not creating social cards
+    ogp_image = '_static/og-image.png'
+    ogp_custom_meta_tags += [
+        '<meta property="og:image:width" content="200">',
+        '<meta property="og:image:height" content="200">',
+    ]

Doc/faq/programming.rst

@@ -1868,15 +1868,15 @@ object identity is assured.  Generally, there are three circumstances where
 identity is guaranteed:
 
 1) Assignments create new names but do not change object identity.  After the
-assignment ``new = old``, it is guaranteed that ``new is old``.
+   assignment ``new = old``, it is guaranteed that ``new is old``.
 
 2) Putting an object in a container that stores object references does not
-change object identity.  After the list assignment ``s[0] = x``, it is
-guaranteed that ``s[0] is x``.
+   change object identity.  After the list assignment ``s[0] = x``, it is
+   guaranteed that ``s[0] is x``.
 
 3) If an object is a singleton, it means that only one instance of that object
-can exist.  After the assignments ``a = None`` and ``b = None``, it is
-guaranteed that ``a is b`` because ``None`` is a singleton.
+   can exist.  After the assignments ``a = None`` and ``b = None``, it is
+   guaranteed that ``a is b`` because ``None`` is a singleton.
 
 In most other circumstances, identity tests are inadvisable and equality tests
 are preferred.  In particular, identity tests should not be used to check

Doc/includes/email-alternative.py

@@ -36,7 +36,7 @@
             recette
         </a> sera sûrement un très bon repas.
     </p>
-    <img src="cid:{asparagus_cid}" />
+    <img src="cid:{asparagus_cid}">
   </body>
 </html>
 """.format(asparagus_cid=asparagus_cid[1:-1]), subtype='html')

Doc/library/annotationlib.rst

@@ -204,12 +204,6 @@ Classes
       means may not have any information about their scope, so passing
       arguments to this method may be necessary to evaluate them successfully.
 
-      .. important::
-
-         Once a :class:`~ForwardRef` instance has been evaluated, it caches
-         the evaluated value, and future calls to :meth:`evaluate` will return
-         the cached value, regardless of the parameters passed in.
-
    .. versionadded:: 3.14
 
 

Doc/library/cmath.rst

@@ -38,6 +38,57 @@ the function is then applied to the result of the conversion.
       1.4142135623730951j
 
 
+====================================================  ============================================
+**Conversions to and from polar coordinates**
+--------------------------------------------------------------------------------------------------
+:func:`phase(z) <phase>`                              Return the phase of *z*
+:func:`polar(z) <polar>`                              Return the representation of *z* in polar coordinates
+:func:`rect(r, phi) <rect>`                           Return the complex number *z* with polar coordinates *r* and *phi*
+
+**Power and logarithmic functions**
+--------------------------------------------------------------------------------------------------
+:func:`exp(z) <exp>`                                  Return *e* raised to the power *z*
+:func:`log(z[, base]) <log>`                          Return the logarithm of *z* to the given *base* (*e* by default)
+:func:`log10(z) <log10>`                              Return the base-10 logarithm of *z*
+:func:`sqrt(z) <sqrt>`                                Return the square root of *z*
+
+**Trigonometric functions**
+--------------------------------------------------------------------------------------------------
+:func:`acos(z) <acos>`                                Return the arc cosine of *z*
+:func:`asin(z) <asin>`                                Return the arc sine of *z*
+:func:`atan(z) <atan>`                                Return the arc tangent of *z*
+:func:`cos(z) <cos>`                                  Return the cosine of *z*
+:func:`sin(z) <sin>`                                  Return the sine of *z*
+:func:`tan(z) <tan>`                                  Return the tangent of *z*
+
+**Hyperbolic functions**
+--------------------------------------------------------------------------------------------------
+:func:`acosh(z) <acosh>`                              Return the inverse hyperbolic cosine of *z*
+:func:`asinh(z) <asinh>`                              Return the inverse hyperbolic sine of *z*
+:func:`atanh(z) <atanh>`                              Return the inverse hyperbolic tangent of *z*
+:func:`cosh(z) <cosh>`                                Return the hyperbolic cosine of *z*
+:func:`sinh(z) <sinh>`                                Return the hyperbolic sine of *z*
+:func:`tanh(z) <tanh>`                                Return the hyperbolic tangent of *z*
+
+**Classification functions**
+--------------------------------------------------------------------------------------------------
+:func:`isfinite(z) <isfinite>`                        Check if all components of *z* are finite
+:func:`isinf(z) <isinf>`                              Check if any component of *z* is infinite
+:func:`isnan(z) <isnan>`                              Check if any component of *z* is a NaN
+:func:`isclose(a, b, *, rel_tol, abs_tol) <isclose>`  Check if the values *a* and *b* are close to each other
+
+**Constants**
+--------------------------------------------------------------------------------------------------
+:data:`pi`                                            *π* = 3.141592...
+:data:`e`                                             *e* = 2.718281...
+:data:`tau`                                           *τ* = 2\ *π* = 6.283185...
+:data:`inf`                                           Positive infinity
+:data:`infj`                                          Pure imaginary infinity
+:data:`nan`                                           "Not a number" (NaN)
+:data:`nanj`                                          Pure imaginary NaN
+====================================================  ============================================
+
+
 Conversions to and from polar coordinates
 -----------------------------------------