build: switch to abi3 build to make build faster and reduce size

Author: georgeh0

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
           name: Cargo.toml
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.x
+          python-version: 3.13
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -58,6 +58,24 @@ jobs:
           name: wheels-${{ matrix.platform.os }}-${{ matrix.platform.target }}
           path: dist
 
+  test-abi3:
+    runs-on: ubuntu-24.04
+    needs: build
+    strategy:
+      matrix:
+        py: ["3.11", "3.12", "3.13"]
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: wheels-linux-x86_64
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.py }}
+      - run: python -V
+      - run: pip install --no-index --find-links=./ cocoindex
+      - run: python -c "import cocoindex, sys; print('import ok on', sys.version)"
+
+
   sdist:
     runs-on: ubuntu-latest
     needs: [create-versioned-toml]

Cargo.toml

@@ -15,7 +15,12 @@ name = "cocoindex_engine"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.25.1", features = ["chrono", "auto-initialize", "uuid"] }
+pyo3 = { version = "0.25.1", features = [
+    "abi3-py311",
+    "auto-initialize",
+    "chrono",
+    "uuid",
+] }
 pythonize = "0.25.0"
 pyo3-async-runtimes = { version = "0.25.0", features = ["tokio-runtime"] }