pyiceberg-core: add build-pyiceberg-core.yml for riscv64 wheels

.github/workflows/build-pyiceberg-core.yml

@@ -0,0 +1,107 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on: https://github.com/apache/iceberg-rust/blob/v0.10.1/.github/workflows/release_python.yml
+name: Build pyiceberg-core wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'pyiceberg-core version to build (git tag without leading v, e.g. 0.10.1)'
+        required: true
+        default: '0.10.1'
+  pull_request:
+    paths:
+      - '.github/workflows/build-pyiceberg-core.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ inputs.version || '0.10.1' }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  # `inputs.version` is empty on pull_request events; default to 0.10.1 there.
+  PYICEBERG_CORE_VERSION: ${{ inputs.version || '0.10.1' }}
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+
+  build_wheels:
+    needs: [setup]
+    name: Build pyiceberg-core ${{ inputs.version || '0.10.1' }} cp310-abi3-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 360
+
+    steps:
+      # Checked out at the workspace root: bindings/python is a member of the
+      # iceberg-rust Cargo workspace and builds against its sibling crates.
+      - name: Checkout iceberg-rust v${{ env.PYICEBERG_CORE_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: apache/iceberg-rust
+          ref: v${{ env.PYICEBERG_CORE_VERSION }}
+          persist-credentials: false
+
+      - name: Build wheel
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          package-dir: bindings/python
+          output-dir: wheelhouse/
+          # pyo3 carries abi3-py310 unconditionally, so upstream ships one
+          # cp310-abi3 wheel (their own release job builds it on python3.12,
+          # not the abi3 floor); pypi.riseproject.dev also has no riscv64
+          # pyarrow/pyiceberg/fastavro wheel below cp312, so cp312 is where we
+          # build and test too (build-deltalake.yml takes the same wheel-once
+          # approach for the same reasons).
+          only: cp312-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # iceberg-rust ships no [tool.cibuildwheel]; the Rust toolchain its
+          # maturin backend needs is installed in-container here. musllinux is
+          # dropped - rustup.rs ships no riscv64 musl toolchain.
+          CIBW_BEFORE_ALL_LINUX: >-
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          # The checkout's rust-toolchain.toml pins a nightly for clippy/rustfmt
+          # only (its own comment: "will not affect downstream users") but that
+          # file ships in the git tree, not the sdist pip builds from, so it
+          # overrides the stable toolchain above unless RUSTUP_TOOLCHAIN forces it.
+          CIBW_ENVIRONMENT_LINUX: PATH="$PATH:$HOME/.cargo/bin" RUSTUP_TOOLCHAIN=stable
+          # conftest.py imports pyiceberg at module level for every test file.
+          CIBW_TEST_REQUIRES: pytest pyarrow>=17 pyiceberg>=0.11
+          # test-sources resolves against the checkout root, not package-dir.
+          CIBW_TEST_SOURCES: bindings/python/tests bindings/python/pyproject.toml
+          CIBW_TEST_ENVIRONMENT_LINUX: >-
+            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+            PIP_ONLY_BINARY=pyarrow,pyiceberg
+          # test_datafusion_table_provider.py and test_huggingface_and_cdc.py both
+          # `import datafusion` unconditionally, which has no riscv64 wheel anywhere.
+          # test_manifest.py imports pyiceberg.io.pyarrow, which unconditionally
+          # imports pyarrow._s3fs; build-pyarrow.yml ships ARROW_S3=OFF for riscv64,
+          # so that module can't be imported here either. Verified against the real
+          # riscv64 wheel: only test_transform.py collects and runs (11 passed).
+          CIBW_TEST_COMMAND: >-
+            cd bindings/python &&
+            python -c "import pyiceberg_core.pyiceberg_core_rust as m;
+            assert m.__file__.endswith('.so'), m.__file__" &&
+            python -m pytest tests/test_transform.py -v
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: pyiceberg-core-${{ env.PYICEBERG_CORE_VERSION }}-cp310-abi3-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish pyiceberg-core ${{ inputs.version || '0.10.1' }}
+    needs: [setup, build_wheels]
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    with:
+      artifact-pattern: pyiceberg-core-${{ inputs.version || '0.10.1' }}-*-manylinux_riscv64