Merge branch 'main' into streamline-make-warm

Author: alonme

.gitattributes

@@ -103,3 +103,4 @@ Python/stdlib_module_names.h                        generated
 Tools/peg_generator/pegen/grammar_parser.py         generated
 aclocal.m4                                          generated
 configure                                           generated
+*.min.js                                            generated

.github/CODEOWNERS

@@ -80,11 +80,16 @@ Tools/patchcheck/             @AA-Turner
 # ----------------------------------------------------------------------------
 
 # Autotools
-configure*                       @erlend-aasland @corona10 @AA-Turner
-Makefile.pre.in                  @erlend-aasland @AA-Turner
-Modules/Setup*                   @erlend-aasland @AA-Turner
+configure*                       @erlend-aasland @corona10 @AA-Turner @emmatyping
+Makefile.pre.in                  @erlend-aasland @AA-Turner @emmatyping
+Modules/makesetup                @erlend-aasland @AA-Turner @emmatyping
+Modules/Setup*                   @erlend-aasland @AA-Turner @emmatyping
 Tools/build/regen-configure.sh   @AA-Turner
 
+# generate-build-details
+Tools/build/generate-build-details.py   @FFY00
+Lib/test/test_build_details.py          @FFY00
+
 
 # ----------------------------------------------------------------------------
 # Documentation
@@ -149,6 +154,7 @@ Lib/test/test_android.py      @mhsmith @freakboy3742
 # iOS
 Doc/using/ios.rst             @freakboy3742
 Lib/_ios_support.py           @freakboy3742
+Apple/                        @freakboy3742
 iOS/                          @freakboy3742
 
 # macOS
@@ -157,16 +163,16 @@ Lib/_osx_support.py           @python/macos-team
 Lib/test/test__osx_support.py @python/macos-team
 
 # WebAssembly
-Tools/wasm/README.md          @brettcannon @freakboy3742
+Tools/wasm/README.md          @brettcannon @freakboy3742 @emmatyping
 
 # WebAssembly (Emscripten)
-Tools/wasm/config.site-wasm32-emscripten  @freakboy3742
-Tools/wasm/emscripten                     @freakboy3742
+Tools/wasm/config.site-wasm32-emscripten  @freakboy3742 @emmatyping
+Tools/wasm/emscripten                     @freakboy3742 @emmatyping
 
 # WebAssembly (WASI)
-Tools/wasm/wasi-env           @brettcannon
-Tools/wasm/wasi.py            @brettcannon
-Tools/wasm/wasi               @brettcannon
+Tools/wasm/wasi-env           @brettcannon @emmatyping
+Tools/wasm/wasi.py            @brettcannon @emmatyping
+Tools/wasm/wasi               @brettcannon @emmatyping
 
 # Windows
 PC/                           @python/windows-team
@@ -239,10 +245,10 @@ Lib/test/test_getpath.py      @FFY00
 Modules/getpath*              @FFY00
 
 # Hashing / ``hash()`` and related
-Include/cpython/pyhash.h         @gpshead @picnixz @tiran
-Include/internal/pycore_pyhash.h @gpshead @picnixz @tiran
-Include/pyhash.h                 @gpshead @picnixz @tiran
-Python/pyhash.c                  @gpshead @picnixz @tiran
+Include/cpython/pyhash.h         @gpshead @picnixz
+Include/internal/pycore_pyhash.h @gpshead @picnixz
+Include/pyhash.h                 @gpshead @picnixz
+Python/pyhash.c                  @gpshead @picnixz
 
 # The import system (including importlib)
 **/*import*                   @brettcannon @ericsnowcurrently @ncoghlan @warsaw
@@ -369,14 +375,14 @@ Lib/calendar.py               @AA-Turner
 Lib/test/test_calendar.py     @AA-Turner
 
 # Cryptographic Primitives and Applications
-**/*hashlib*                  @gpshead @picnixz @tiran
-**/*hashopenssl*              @gpshead @picnixz @tiran
+**/*hashlib*                  @gpshead @picnixz
+**/*hashopenssl*              @gpshead @picnixz
 **/*hmac*                     @gpshead @picnixz
 **/*ssl*                      @gpshead @picnixz
 Modules/_hacl/                @gpshead @picnixz
-Modules/*blake*               @gpshead @picnixz @tiran
-Modules/*md5*                 @gpshead @picnixz @tiran
-Modules/*sha*                 @gpshead @picnixz @tiran
+Modules/*blake*               @gpshead @picnixz
+Modules/*md5*                 @gpshead @picnixz
+Modules/*sha*                 @gpshead @picnixz
 
 # Codecs
 Modules/cjkcodecs/            @corona10
@@ -405,11 +411,15 @@ Lib/test/test_dataclasses/    @ericvsmith
 
 # Dates and times
 Doc/**/*time.rst                 @pganssle @abalkin
+Doc/library/zoneinfo.rst         @pganssle
 Include/datetime.h               @pganssle @abalkin
 Include/internal/pycore_time.h   @pganssle @abalkin
+Lib/test/test_zoneinfo/          @pganssle
+Lib/zoneinfo/                    @pganssle
 Lib/*time.py                     @pganssle @abalkin
 Lib/test/datetimetester.py       @pganssle @abalkin
 Lib/test/test_*time.py           @pganssle @abalkin
+Modules/*zoneinfo*               @pganssle
 Modules/*time*                   @pganssle @abalkin
 Python/pytime.c                  @pganssle @abalkin
 
@@ -603,9 +613,9 @@ Lib/test/test_zipfile/_path/  @jaraco
 Lib/zipfile/_path/            @jaraco
 
 # Zstandard
-Lib/compression/zstd/         @AA-Turner
-Lib/test/test_zstd.py         @AA-Turner
-Modules/_zstd/                @AA-Turner
+Lib/compression/zstd/         @AA-Turner @emmatyping
+Lib/test/test_zstd.py         @AA-Turner @emmatyping
+Modules/_zstd/                @AA-Turner @emmatyping
 
 # ----------------------------------------------------------------------------
 

.github/CONTRIBUTING.rst

@@ -34,17 +34,18 @@ our workflow that are not covered by a bot or status check are:
 - All discussions that are not directly related to the code in the pull request
   should happen on `GitHub Issues <https://github.com/python/cpython/issues>`_.
 - Upon your first non-trivial pull request (which includes documentation changes),
-  feel free to add yourself to ``Misc/ACKS``
+  feel free to add yourself to ``Misc/ACKS``.
 
 
 Setting Expectations
 --------------------
-Due to the fact that this project is entirely volunteer-run (i.e. no one is paid
-to work on Python full-time), we unfortunately can make no guarantees as to if
+Due to the fact that this project is run by volunteers,
+unfortunately we cannot make any guarantees as to if
 or when a core developer will get around to reviewing your pull request.
 If no core developer has done a review or responded to changes made because of a
-"changes requested" review, please feel free to email python-dev to ask if
-someone could take a look at your pull request.
+"changes requested" review within a month, you can ask for someone to
+review your pull request via a post in the `Core Development Discourse
+category <https://discuss.python.org/c/core-dev/23>`__.
 
 
 Code of Conduct

.github/actionlint.yaml

@@ -1,6 +1,7 @@
 self-hosted-runner:
   # Pending https://github.com/rhysd/actionlint/issues/533
-  labels: ["windows-11-arm"]
+  # and https://github.com/rhysd/actionlint/issues/571
+  labels: ["windows-11-arm", "macos-15-intel"]
 
 config-variables: null
 

.github/workflows/build.yml

@@ -202,24 +202,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Cirrus and macos-14 are M1, macos-13 is default GHA Intel.
-        # macOS 13 only runs tests against the GIL-enabled CPython.
-        # Cirrus used for upstream, macos-14 for forks.
+        # macos-14 is M1, macos-15-intel is Intel.
+        # macos-15-intel only runs tests against the GIL-enabled CPython.
         os:
-        - ghcr.io/cirruslabs/macos-runner:sonoma
         - macos-14
-        - macos-13
-        is-fork:  # only used for the exclusion trick
-        - ${{ github.repository_owner != 'python' }}
+        - macos-15-intel
         free-threading:
         - false
         - true
         exclude:
-        - os: ghcr.io/cirruslabs/macos-runner:sonoma
-          is-fork: true
-        - os: macos-14
-          is-fork: false
-        - os: macos-13
+        - os: macos-15-intel
           free-threading: true
     uses: ./.github/workflows/reusable-macos.yml
     with:
@@ -273,7 +265,7 @@ jobs:
         # Keep 1.1.1w in our list despite it being upstream EOL and otherwise
         # unsupported as it most resembles other 1.1.1-work-a-like ssl APIs
         # supported by important vendors such as AWS-LC.
-        openssl_ver: [1.1.1w, 3.0.17, 3.2.5, 3.3.4, 3.4.2, 3.5.2]
+        openssl_ver: [1.1.1w, 3.0.18, 3.2.6, 3.3.5, 3.4.3, 3.5.4]
         # See Tools/ssl/make_ssl_data.py for notes on adding a new version
     env:
       OPENSSL_VER: ${{ matrix.openssl_ver }}
@@ -409,9 +401,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # Use the same runs-on configuration as build-macos and build-ubuntu.
           - arch: aarch64
-            runs-on: ${{ github.repository_owner == 'python' && 'ghcr.io/cirruslabs/macos-runner:sonoma' || 'macos-14' }}
+            runs-on: macos-14
           - arch: x86_64
             runs-on: ubuntu-24.04
 
@@ -421,7 +412,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Build and test
-        run: ./Android/android.py ci ${{ matrix.arch }}-linux-android
+        run: ./Android/android.py ci --fast-ci ${{ matrix.arch }}-linux-android
 
   build-wasi:
     name: 'WASI'
@@ -438,7 +429,7 @@ jobs:
     needs: build-context
     if: needs.build-context.outputs.run-tests == 'true'
     env:
-      OPENSSL_VER: 3.0.16
+      OPENSSL_VER: 3.0.18
       PYTHONSTRICTEXTENSIONBUILD: 1
     steps:
     - uses: actions/checkout@v4
@@ -558,7 +549,7 @@ jobs:
       matrix:
         os: [ubuntu-24.04]
     env:
-      OPENSSL_VER: 3.0.16
+      OPENSSL_VER: 3.0.18
       PYTHONSTRICTEXTENSIONBUILD: 1
       ASAN_OPTIONS: detect_leaks=0:allocator_may_return_null=1:handle_segv=0
     steps:

.github/workflows/jit.yml

@@ -72,16 +72,16 @@ jobs:
         include:
           - target: i686-pc-windows-msvc/msvc
             architecture: Win32
-            runner: windows-latest
+            runner: windows-2022
           - target: x86_64-pc-windows-msvc/msvc
             architecture: x64
-            runner: windows-latest
+            runner: windows-2022
           - target: aarch64-pc-windows-msvc/msvc
             architecture: ARM64
             runner: windows-11-arm
           - target: x86_64-apple-darwin/clang
             architecture: x86_64
-            runner: macos-13
+            runner: macos-15-intel
           - target: aarch64-apple-darwin/clang
             architecture: aarch64
             runner: macos-14
@@ -106,15 +106,10 @@ jobs:
           ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }}
           ./PCbuild/rt.bat ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }} -q --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 
-        # 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.
       - name: macOS
         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)"
           # Set MACOSX_DEPLOYMENT_TARGET and -Werror=unguarded-availability to
@@ -134,30 +129,57 @@ jobs:
           make all --jobs 4
           ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 
-  # XXX: GH-133171
-  # jit-with-disabled-gil:
-  #   name: Free-Threaded (Debug)
-  #   needs: interpreter
-  #   runs-on: ubuntu-24.04
-  #   timeout-minutes: 90
-  #   strategy:
-  #     fail-fast: false
-  #     matrix:
-  #       llvm:
-  #         - 19
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #       with:
-  #         persist-credentials: false
-  #     - uses: actions/setup-python@v5
-  #       with:
-  #         python-version: '3.11'
-  #     - name: Build with JIT enabled and GIL disabled
-  #       run: |
-  #         sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
-  #         export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
-  #         ./configure --enable-experimental-jit --with-pydebug --disable-gil
-  #         make all --jobs 4
-  #     - name: Run tests
-  #       run: |
-  #         ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
+  jit-with-disabled-gil:
+    name: Free-Threaded (Debug)
+    needs: interpreter
+    runs-on: ubuntu-24.04
+    timeout-minutes: 90
+    strategy:
+      fail-fast: false
+      matrix:
+        llvm:
+          - 19
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Build with JIT enabled and GIL disabled
+        run: |
+          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
+          export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
+          ./configure --enable-experimental-jit --with-pydebug --disable-gil
+          make all --jobs 4
+      - name: Run tests
+        run: |
+          ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
+        continue-on-error: true
+
+  no-opt-jit:
+    name: JIT without optimizations (Debug)
+    needs: interpreter
+    runs-on: ubuntu-24.04
+    timeout-minutes: 90
+    strategy:
+      fail-fast: false
+      matrix:
+        llvm:
+          - 19
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Build with JIT
+        run: |
+          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ matrix.llvm }}
+          export PATH="$(llvm-config-${{ matrix.llvm }} --bindir):$PATH"
+          ./configure --enable-experimental-jit --with-pydebug
+          make all --jobs 4
+      - name: Run tests without optimizations
+        run: |
+          PYTHON_UOPS_OPTIMIZE=0 ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3