Bump actions/checkout from 6.0.3 to 7.0.1

.editorconfig

@@ -1,11 +1,11 @@
 root = true
 
-[*.{py,c,cpp,h,js,rst,md,yml,yaml,gram}]
+[*.{py,c,cpp,h,js,rst,md,yml,yaml,toml,gram}]
 trim_trailing_whitespace = true
 insert_final_newline = true
 indent_style = space
 
-[*.{py,c,cpp,h,gram}]
+[*.{py,c,cpp,h,toml,gram}]
 indent_size = 4
 
 [*.rst]

.github/workflows/build.yml

@@ -57,7 +57,7 @@ jobs:
     needs: build-context
     if: needs.build-context.outputs.run-tests == 'true'
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
@@ -111,7 +111,7 @@ jobs:
         run: |
           apt update && apt install git -yq
           git config --global --add safe.directory "$GITHUB_WORKSPACE"
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 1
           persist-credentials: false
@@ -148,7 +148,7 @@ jobs:
     needs: build-context
     if: needs.build-context.outputs.run-tests == 'true'
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
@@ -187,9 +187,14 @@ jobs:
       - name: Check for unsupported C global variables
         if: github.event_name == 'pull_request'  # $GITHUB_EVENT_NAME
         run: make check-c-globals
-      - name: Check for undocumented C APIs
-        run: make check-c-api-docs
 
+  check-c-api-docs:
+    name: C API Docs
+    needs: build-context
+    if: >-
+      needs.build-context.outputs.run-tests == 'true'
+      || needs.build-context.outputs.run-docs == 'true'
+    uses: ./.github/workflows/reusable-check-c-api-docs.yml
 
   build-windows:
     name: >-
@@ -248,16 +253,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # macos-26 is Apple Silicon, macos-15-intel is Intel.
-        # macos-15-intel only runs tests against the GIL-enabled CPython.
+        # macos-26 is Apple Silicon, macos-26-intel is Intel.
+        # macos-26-intel only runs tests against the GIL-enabled CPython.
         os:
         - macos-26
-        - macos-15-intel
+        - macos-26-intel
         free-threading:
         - false
         - true
         exclude:
-        - os: macos-15-intel
+        - os: macos-26-intel
           free-threading: true
     uses: ./.github/workflows/reusable-macos.yml
     with:
@@ -301,7 +306,7 @@ jobs:
       OPENSSL_DIR: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}
       LD_LIBRARY_PATH: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}/lib
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: Runner image version
@@ -349,7 +354,7 @@ jobs:
 
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Build and test
@@ -373,7 +378,7 @@ jobs:
       OPENSSL_VER: 3.0.21
       PYTHONSTRICTEXTENSIONBUILD: 1
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: Register gcc problem matcher
@@ -481,7 +486,7 @@ jobs:
       PYTHONSTRICTEXTENSIONBUILD: 1
       ASAN_OPTIONS: detect_leaks=0:allocator_may_return_null=1:handle_segv=0
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: Runner image version
@@ -490,10 +495,6 @@ jobs:
       run: echo "::add-matcher::.github/problem-matchers/gcc.json"
     - name: Install dependencies
       run: sudo ./.github/workflows/posix-deps-apt.sh
-    - name: Set up GCC-10 for ASAN
-      uses: egor-tensin/setup-gcc@a2861a8b8538f49cf2850980acccf6b05a1b2ae4 # v2.0
-      with:
-        version: 10
     - name: Configure OpenSSL env vars
       run: |
         echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> "$GITHUB_ENV"
@@ -590,6 +591,7 @@ jobs:
     - check-docs
     - check-autoconf-regen
     - check-generated-files
+    - check-c-api-docs
     - build-windows
     - build-windows-msi
     - build-macos
@@ -622,6 +624,12 @@ jobs:
             '
             || ''
           }}
+          ${{
+            !fromJSON(needs.build-context.outputs.run-tests)
+            && !fromJSON(needs.build-context.outputs.run-docs)
+            && 'check-c-api-docs,'
+            || ''
+          }}
           ${{ !fromJSON(needs.build-context.outputs.run-windows-tests) && 'build-windows,' || '' }}
           ${{
             !fromJSON(needs.build-context.outputs.run-ci-fuzz)

.github/workflows/jit.yml

@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 120
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Build tier two interpreter
@@ -82,7 +82,7 @@ jobs:
             compiler: msvc
           - target: x86_64-apple-darwin/clang
             architecture: x86_64
-            runner: macos-15-intel
+            runner: macos-26-intel
             compiler: clang
           - target: aarch64-apple-darwin/clang
             architecture: aarch64
@@ -107,7 +107,7 @@ jobs:
     env:
       CC: ${{ matrix.compiler }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
@@ -174,7 +174,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 120
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0

.github/workflows/lint.yml

@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: j178/prek-action@bdca6f102f98e2b4c7029491a53dfd366469e33d # v2.0.4

.github/workflows/mypy.yml

@@ -62,7 +62,7 @@ jobs:
           "Tools/peg_generator",
         ]
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0

.github/workflows/regen.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
@@ -63,7 +63,7 @@ jobs:
     runs-on: macos-14 # Native Apple Silicon ARM64 runner
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
@@ -98,7 +98,7 @@ jobs:
     runs-on: ubuntu-24.04-arm # Native ARM64 runner
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
@@ -156,7 +156,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 

.github/workflows/reusable-check-c-api-docs.yml

@@ -0,0 +1,25 @@
+name: Reusable C API Docs Check
+
+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+env:
+  FORCE_COLOR: 1
+
+jobs:
+  check-c-api-docs:
+    name: 'Check if all C APIs are documented'
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        with:
+          python-version: '3.x'
+      - name: Check for undocumented C APIs
+        run: python Tools/check-c-api-docs/main.py

.github/workflows/reusable-context.yml

@@ -76,7 +76,7 @@ jobs:
     - run: >-
         echo '${{ github.event_name }}'
 
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
         ref: >-

.github/workflows/reusable-docs.yml

@@ -3,6 +3,17 @@ name: Reusable Docs
 on:
   workflow_call:
   workflow_dispatch:
+  # Pushes to CPython branches seed the pip caches under the exact keys every
+  # docs PR restores from. Without a branch-scoped copy, each PR saves a
+  # duplicate into its own refs/pull/N/merge scope that nothing else can read.
+  push:
+    branches:
+      - main
+      - '3.*'
+    paths:
+      - 'Doc/pylock.toml'
+      - 'Doc/requirements.txt'
+      - '.github/workflows/reusable-docs.yml'
 
 permissions:
   contents: read
@@ -27,7 +38,7 @@ jobs:
       refspec_pr: '+${{ github.event.pull_request.head.sha }}:remotes/origin/${{ github.event.pull_request.head.ref }}'
     steps:
     - name: 'Check out latest PR branch commit'
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
         ref: >-
@@ -82,7 +93,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 60
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
@@ -108,7 +119,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: 'Set up Python'

.github/workflows/reusable-macos.yml

@@ -31,7 +31,7 @@ jobs:
       PYTHONSTRICTEXTENSIONBUILD: 1
       TERM: linux
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: Runner image version

.github/workflows/reusable-san.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 60
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: Runner image version
@@ -55,7 +55,7 @@ jobs:
       run: |
         if [ "${SANITIZER}" = "TSan" ]; then
           echo "TSAN_OPTIONS=${SAN_LOG_OPTION} suppressions=${GITHUB_WORKSPACE}/Tools/tsan/suppressions${{
-              fromJSON(inputs.free-threading)
+              inputs.free-threading
               && '_free_threading'
               || ''
             }}.txt handle_segv=0" >> "$GITHUB_ENV"
@@ -77,7 +77,7 @@ jobs:
           || '--with-undefined-behavior-sanitizer'
         }}
         --with-pydebug
-        ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
+        ${{ inputs.free-threading && '--disable-gil' || '' }}
     - name: Build CPython
       run: make -j4
     - name: Display build info
@@ -86,7 +86,7 @@ jobs:
       run: >-
         ./python -m test
         ${{ inputs.sanitizer == 'TSan' && '--tsan' || '' }}
-        -j4
+        -j4 -W
     - name: Display logs
       if: always()
       run: find "${GITHUB_WORKSPACE}" -name 'san_log.*' | xargs head -n 1000
@@ -96,7 +96,7 @@ jobs:
       with:
         name: >-
           ${{ inputs.sanitizer }}-logs-${{
-            fromJSON(inputs.free-threading)
+            inputs.free-threading
             && 'free-threading'
             || 'default'
           }}

.github/workflows/reusable-ubuntu.yml

@@ -29,7 +29,7 @@ jobs:
       PYTHONSTRICTEXTENSIONBUILD: 1
       TERM: linux
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
     - name: Register gcc problem matcher
@@ -67,7 +67,7 @@ jobs:
         --config-cache
         --with-pydebug
         --with-openssl="$OPENSSL_DIR"
-        ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
+        ${{ inputs.free-threading && '--disable-gil' || '' }}
     - name: Build CPython out-of-tree
       working-directory: ${{ env.CPYTHON_BUILDDIR }}
       run: make -j