Add Android support (#265)

Co-authored-by: Hugo van Kemenade <[email protected]>

Author: mhsmith

.github/workflows/source-and-docs-release.yml renamed to .github/workflows/build-release.yml

@@ -35,7 +35,7 @@ on:
         type: string
         description: "CPython release number (ie '3.11.5', note without the 'v' prefix)"
 
-name: "Build Python source and docs artifacts"
+name: "Build release artifacts"
 
 permissions: {}
 
@@ -50,15 +50,20 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 5
     outputs:
-      # Needed because env vars are not available in the build-docs check below
-      cpython_release: ${{ env.CPYTHON_RELEASE }}
+      build-docs: ${{ steps.select-jobs.outputs.docs }}
+      build-android: ${{ steps.select-jobs.outputs.android }}
     steps:
       - name: "Workflow run information"
         run: |
           echo "git_remote: $GIT_REMOTE"
           echo "git_commit: $GIT_COMMIT"
           echo "cpython_release: $CPYTHON_RELEASE"
 
+      - name: "Checkout python/release-tools"
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+
       - name: "Checkout ${{ env.GIT_REMOTE }}/cpython"
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
@@ -74,6 +79,16 @@ jobs:
             exit 1
           fi
 
+      - name: "Setup Python"
+        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
+        with:
+          python-version: 3.12
+
+      - name: "Select jobs"
+        id: select-jobs
+        run: |
+          ./select_jobs.py "$CPYTHON_RELEASE" | tee -a "$GITHUB_OUTPUT"
+
   build-source:
     runs-on: ubuntu-24.04
     timeout-minutes: 15
@@ -120,9 +135,7 @@ jobs:
     timeout-minutes: 45
     needs:
       - verify-input
-
-    # Docs aren't built for alpha or beta releases.
-    if: (!(contains(needs.verify-input.outputs.cpython_release, 'a') || contains(needs.verify-input.outputs.cpython_release, 'b')))
+    if: fromJSON(needs.verify-input.outputs.build-docs)
     steps:
       - name: "Checkout ${{ env.GIT_REMOTE }}/cpython"
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -189,3 +202,38 @@ jobs:
 
           cd ../installation
           ./bin/python3 -m test -uall
+
+  build-android:
+    name: build-android (${{ matrix.arch }})
+    needs:
+      - verify-input
+    if: fromJSON(needs.verify-input.outputs.build-android)
+
+    strategy:
+      matrix:
+        include:
+          - arch: aarch64
+            runs-on: macos-15
+          - arch: x86_64
+            runs-on: ubuntu-24.04
+
+    runs-on: ${{ matrix.runs-on }}
+    timeout-minutes: 60
+    env:
+      triplet: ${{ matrix.arch }}-linux-android
+    steps:
+      - name: "Checkout ${{ env.GIT_REMOTE }}/cpython"
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+          repository: "${{ env.GIT_REMOTE }}/cpython"
+          ref: "v${{ env.CPYTHON_RELEASE }}"
+
+      - name: Build and test
+        run: ./Android/android.py ci "$triplet"
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.triplet }}
+          path: cross-build/${{ env.triplet }}/dist/*
+          if-no-files-found: error