Merge branch 'main' into issue-113878-2

.devcontainer/Dockerfile

@@ -2,11 +2,11 @@ FROM docker.io/library/fedora:37
 
 ENV CC=clang
 
-ENV WASI_SDK_VERSION=20
+ENV WASI_SDK_VERSION=21
 ENV WASI_SDK_PATH=/opt/wasi-sdk
 
 ENV WASMTIME_HOME=/opt/wasmtime
-ENV WASMTIME_VERSION=14.0.4
+ENV WASMTIME_VERSION=18.0.3
 ENV WASMTIME_CPU_ARCH=x86_64
 
 RUN dnf -y --nodocs --setopt=install_weak_deps=False install /usr/bin/{blurb,clang,curl,git,ln,tar,xz} 'dnf-command(builddep)' && \

.gitattributes

@@ -83,6 +83,8 @@ Include/opcode_ids.h                                generated
 Include/token.h                                     generated
 Lib/_opcode_metadata.py                             generated
 Lib/keyword.py                                      generated
+Lib/test/certdata/*.pem                             generated
+Lib/test/certdata/*.0                               generated
 Lib/test/levenshtein_examples.json                  generated
 Lib/test/test_stable_abi_ctypes.py                  generated
 Lib/token.py                                        generated
@@ -95,7 +97,7 @@ Programs/test_frozenmain.h                          generated
 Python/Python-ast.c                                 generated
 Python/executor_cases.c.h                           generated
 Python/generated_cases.c.h                          generated
-Python/tier2_redundancy_eliminator_cases.c.h        generated
+Python/optimizer_cases.c.h                          generated
 Python/opcode_targets.h                             generated
 Python/stdlib_module_names.h                        generated
 Tools/peg_generator/pegen/grammar_parser.py         generated

.github/CODEOWNERS

@@ -38,7 +38,7 @@ Python/ast_opt.c              @isidentical
 Python/bytecodes.c            @markshannon @gvanrossum
 Python/optimizer*.c           @markshannon @gvanrossum
 Python/optimizer_analysis.c   @Fidget-Spinner
-Python/tier2_redundancy_eliminator_bytecodes.c  @Fidget-Spinner
+Python/optimizer_bytecodes.c  @Fidget-Spinner
 Lib/test/test_patma.py        @brandtbucher
 Lib/test/test_type_*.py       @JelleZijlstra
 Lib/test/test_capi/test_misc.py  @markshannon @gvanrossum
@@ -247,5 +247,10 @@ Lib/test/test_interpreters/   @ericsnowcurrently
 /Tools/wasm/                  @brettcannon
 
 # SBOM
+/Misc/externals.spdx.json     @sethmlarson
 /Misc/sbom.spdx.json          @sethmlarson
 /Tools/build/generate_sbom.py @sethmlarson
+
+# Config Parser
+Lib/configparser.py           @jaraco
+Lib/test/test_configparser.py @jaraco

.github/workflows/build.yml

@@ -97,7 +97,7 @@ jobs:
       - name: Get a list of the changed documentation-related files
         if: github.event_name == 'pull_request'
         id: changed-docs-files
-        uses: Ana06/get-changed-files@v2.2.0
+        uses: Ana06/get-changed-files@v2.3.0
         with:
           filter: |
             Doc/**
@@ -206,6 +206,8 @@ jobs:
     uses: ./.github/workflows/reusable-macos.yml
     with:
       config_hash: ${{ needs.check_source.outputs.config_hash }}
+      # macos-14 is M1, macos-13 is Intel
+      os-matrix: '["macos-14", "macos-13"]'
 
   build_macos_free_threading:
     name: 'macOS (free-threading)'
@@ -215,6 +217,8 @@ jobs:
     with:
       config_hash: ${{ needs.check_source.outputs.config_hash }}
       free-threading: true
+      # macos-14 is M1
+      os-matrix: '["macos-14"]'
 
   build_ubuntu:
     name: 'Ubuntu'
@@ -301,6 +305,14 @@ jobs:
     - name: SSL tests
       run: ./python Lib/test/ssltests.py
 
+  build_wasi:
+    name: 'WASI'
+    needs: check_source
+    if: needs.check_source.outputs.run_tests == 'true'
+    uses: ./.github/workflows/reusable-wasi.yml
+    with:
+      config_hash: ${{ needs.check_source.outputs.config_hash }}
+
   test_hypothesis:
     name: "Hypothesis tests on Ubuntu"
     runs-on: ubuntu-20.04
@@ -472,6 +484,24 @@ jobs:
     - name: Tests
       run: xvfb-run make test
 
+  build_tsan:
+    name: 'Thread sanitizer'
+    needs: check_source
+    if: needs.check_source.outputs.run_tests == 'true'
+    uses: ./.github/workflows/reusable-tsan.yml
+    with:
+      config_hash: ${{ needs.check_source.outputs.config_hash }}
+      options: ./configure --config-cache --with-thread-sanitizer --with-pydebug
+
+  build_tsan_free_threading:
+    name: 'Thread sanitizer (free-threading)'
+    needs: check_source
+    if: needs.check_source.outputs.run_tests == 'true'
+    uses: ./.github/workflows/reusable-tsan.yml
+    with:
+      config_hash: ${{ needs.check_source.outputs.config_hash }}
+      options: ./configure --config-cache --disable-gil --with-thread-sanitizer --with-pydebug
+
   # CIFuzz job based on https://google.github.io/oss-fuzz/getting-started/continuous-integration/
   cifuzz:
     name: CIFuzz
@@ -525,10 +555,13 @@ jobs:
     - build_ubuntu
     - build_ubuntu_free_threading
     - build_ubuntu_ssltests
+    - build_wasi
     - build_windows
     - build_windows_free_threading
     - test_hypothesis
     - build_asan
+    - build_tsan
+    - build_tsan_free_threading
     - cifuzz
 
     runs-on: ubuntu-latest
@@ -558,9 +591,12 @@ jobs:
             build_ubuntu,
             build_ubuntu_free_threading,
             build_ubuntu_ssltests,
+            build_wasi,
             build_windows,
             build_windows_free_threading,
             build_asan,
+            build_tsan,
+            build_tsan_free_threading,
             '
             || ''
           }}

.github/workflows/jit.yml

@@ -5,13 +5,13 @@ on:
       - '**jit**'
       - 'Python/bytecodes.c'
       - 'Python/optimizer*.c'
-      - 'Python/tier2_redundancy_eliminator_bytecodes.c'
+      - 'Python/optimizer_bytecodes.c'
   push:
     paths:
       - '**jit**'
       - 'Python/bytecodes.c'
       - 'Python/optimizer*.c'
-      - 'Python/tier2_redundancy_eliminator_bytecodes.c'
+      - 'Python/optimizer_bytecodes.c'
   workflow_dispatch:
 
 concurrency:
@@ -29,6 +29,7 @@ jobs:
         target:
           - i686-pc-windows-msvc/msvc
           - x86_64-pc-windows-msvc/msvc
+          - aarch64-pc-windows-msvc/msvc
           - x86_64-apple-darwin/clang
           - aarch64-apple-darwin/clang
           - x86_64-unknown-linux-gnu/gcc
@@ -49,6 +50,10 @@ jobs:
             architecture: x64
             runner: windows-latest
             compiler: msvc
+          - target: aarch64-pc-windows-msvc/msvc
+            architecture: ARM64
+            runner: windows-latest
+            compiler: msvc
           - target: x86_64-apple-darwin/clang
             architecture: x86_64
             runner: macos-13
@@ -70,13 +75,13 @@ jobs:
             runner: ubuntu-latest
             compiler: gcc
             # These fail because of emulation, not because of the JIT:
-            exclude: test_unix_events test_init test_process_pool test_shutdown test_multiprocessing_fork test_cmd_line test_faulthandler test_os test_perf_profiler test_posix test_signal test_socket test_subprocess test_threading test_venv
+            exclude: test_unix_events test_init test_process_pool test_shutdown test_multiprocessing_fork test_cmd_line test_faulthandler test_os test_perf_profiler test_posix test_signal test_socket test_subprocess test_threading test_venv test_external_inspection
           - target: aarch64-unknown-linux-gnu/clang
             architecture: aarch64
             runner: ubuntu-latest
             compiler: clang
             # These fail because of emulation, not because of the JIT:
-            exclude: test_unix_events test_init test_process_pool test_shutdown test_multiprocessing_fork test_cmd_line test_faulthandler test_os test_perf_profiler test_posix test_signal test_socket test_subprocess test_threading test_venv
+            exclude: test_unix_events test_init test_process_pool test_shutdown test_multiprocessing_fork test_cmd_line test_faulthandler test_os test_perf_profiler test_posix test_signal test_socket test_subprocess test_threading test_venv test_external_inspection
     env:
       CC: ${{ matrix.compiler }}
     steps:
@@ -85,19 +90,26 @@ jobs:
         with:
           python-version: '3.11'
 
-      - name: Windows
-        if: runner.os == 'Windows'
+      - name: Native Windows
+        if: runner.os == 'Windows' && matrix.architecture != 'ARM64'
         run: |
           choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}
           ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '--pgo' }} -p ${{ matrix.architecture }}
           ./PCbuild/rt.bat ${{ matrix.debug && '-d' }} -p ${{ matrix.architecture }} -q --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 3600 --verbose2 --verbose3
 
-      - name: macOS
+      # No PGO or tests (yet):
+      - name: Emulated Windows
+        if: runner.os == 'Windows' && matrix.architecture == 'ARM64'
+        run: |
+          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}
+          ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }}
+
+      - name: Native macOS
         if: runner.os == 'macOS'
         run: |
           brew install llvm@${{ matrix.llvm }}
-          export SDKROOT="$(xcrun --show-sdk-path)"
-          ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }}
+          SDKROOT="$(xcrun --show-sdk-path)" \
+            ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }}
           make all --jobs 4
           ./python.exe -m test --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 3600 --verbose2 --verbose3
 
@@ -122,10 +134,10 @@ jobs:
           sudo apt install --yes "gcc-$HOST" qemu-user
           ${{ !matrix.debug && matrix.compiler == 'clang' && './configure --enable-optimizations' || '' }}
           ${{ !matrix.debug && matrix.compiler == 'clang' && 'make profile-run-stamp --jobs 4' || '' }}
-          export CC="${{ matrix.compiler == 'clang' && 'clang --target=$HOST' || '$HOST-gcc' }}"
-          export CPP="$CC --preprocess"
-          export HOSTRUNNER=qemu-${{ matrix.architecture }}
           export QEMU_LD_PREFIX="/usr/$HOST"
-          ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }} --build=x86_64-linux-gnu --host="$HOST" --with-build-python=../build/bin/python3 --with-pkg-config=no ac_cv_buggy_getaddrinfo=no ac_cv_file__dev_ptc=no ac_cv_file__dev_ptmx=yes
+          CC="${{ matrix.compiler == 'clang' && 'clang --target=$HOST' || '$HOST-gcc' }}" \
+            CPP="$CC --preprocess" \
+            HOSTRUNNER=qemu-${{ matrix.architecture }} \
+            ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }} --build=x86_64-linux-gnu --host="$HOST" --with-build-python=../build/bin/python3 --with-pkg-config=no ac_cv_buggy_getaddrinfo=no ac_cv_file__dev_ptc=no ac_cv_file__dev_ptmx=yes
           make all --jobs 4
           ./python -m test --exclude ${{ matrix.exclude }} --multiprocess 0 --timeout 3600 --verbose2 --verbose3

.github/workflows/lint.yml

@@ -23,4 +23,4 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
-      - uses: pre-commit/[email protected].0
+      - uses: pre-commit/[email protected].1

.github/workflows/project-updater.yml

@@ -23,7 +23,7 @@ jobs:
           - { project: 32, label: sprint }
 
     steps:
-      - uses: actions/add-to-project@v0.1.0
+      - uses: actions/add-to-project@v0.6.0
         with:
           project-url: https://github.com/orgs/python/projects/${{ matrix.project }}
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}

.github/workflows/reusable-macos.yml

@@ -8,6 +8,9 @@ on:
         required: false
         type: boolean
         default: false
+      os-matrix:
+        required: false
+        type: string
 
 jobs:
   build_macos:
@@ -17,14 +20,12 @@ jobs:
       HOMEBREW_NO_ANALYTICS: 1
       HOMEBREW_NO_AUTO_UPDATE: 1
       HOMEBREW_NO_INSTALL_CLEANUP: 1
+      HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
       PYTHONSTRICTEXTENSIONBUILD: 1
     strategy:
       fail-fast: false
       matrix:
-        os: [
-          "macos-14",  # M1
-          "macos-13",  # Intel
-        ]
+        os: ${{fromJson(inputs.os-matrix)}}
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4

.github/workflows/reusable-tsan.yml

@@ -0,0 +1,51 @@
+on:
+  workflow_call:
+    inputs:
+      config_hash:
+        required: true
+        type: string
+      options:
+        required: true
+        type: string
+
+jobs:
+  build_tsan_reusable:
+    name: 'Thread sanitizer'
+    runs-on: ubuntu-22.04
+    timeout-minutes: 60
+    steps:
+    - uses: actions/checkout@v4
+    - name: Runner image version
+      run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
+    - name: Restore config.cache
+      uses: actions/cache@v4
+      with:
+        path: config.cache
+        key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ inputs.config_hash }}
+    - name: Install Dependencies
+      run: |
+        sudo ./.github/workflows/posix-deps-apt.sh
+        sudo apt install -y clang
+        # Reduce ASLR to avoid TSAN crashing
+        sudo sysctl -w vm.mmap_rnd_bits=28
+    - name: TSAN Option Setup
+      run: |
+        echo "TSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/Tools/tsan/supressions.txt" >> $GITHUB_ENV
+        echo "CC=clang" >> $GITHUB_ENV
+        echo "CXX=clang++" >> $GITHUB_ENV
+    - name: Add ccache to PATH
+      run: |
+        echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
+    - name: Configure ccache action
+      uses: hendrikmuhs/[email protected]
+      with:
+        save: ${{ github.event_name == 'push' }}
+        max-size: "200M"
+    - name: Configure CPython
+      run: ${{ inputs.options }}
+    - name: Build CPython
+      run: make -j4
+    - name: Display build info
+      run: make pythoninfo
+    - name: Tests
+      run: ./python -m test --tsan -j4