python-calamine: add build-python-calamine.yml for riscv64 wheels

.github/workflows/build-python-calamine.yml

@@ -0,0 +1,99 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the `build` job of
+# https://github.com/dimastbk/python-calamine/blob/v0.8.2/.github/workflows/CI.yml
+name: Build python-calamine wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'python-calamine version to build (git tag, e.g. 0.8.2)'
+        required: true
+        default: '0.8.2'
+  pull_request:
+    paths:
+      - '.github/workflows/build-python-calamine.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ inputs.version || '0.8.2' }}-${{ 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 0.8.2 there.
+  PYTHON_CALAMINE_VERSION: ${{ inputs.version || '0.8.2' }}
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+
+  build_wheels:
+    needs: [setup]
+    name: Build python-calamine ${{ inputs.version || '0.8.2' }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 360
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - python: cp312
+            pandas: 'pandas[excel]>=2.2'
+          - python: cp313
+            pandas: 'pandas[excel]>=2.2'
+          - python: cp314
+            pandas: 'pandas[excel]>=2.2'
+          # no riscv64 pandas wheel on cp314t yet; the rest of the suite still runs.
+          - python: cp314t
+            pandas: ''
+
+    steps:
+      - name: Checkout python-calamine v${{ env.PYTHON_CALAMINE_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: dimastbk/python-calamine
+          ref: v${{ env.PYTHON_CALAMINE_VERSION }}
+          persist-credentials: false
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          # musllinux is dropped: rustup.rs ships no riscv64 musl toolchain.
+          only: ${{ matrix.python }}-manylinux_riscv64
+          output-dir: wheelhouse/
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # python-calamine ships no [tool.cibuildwheel], so the Rust toolchain
+          # its maturin backend needs is installed in-container here.
+          CIBW_BEFORE_ALL_LINUX: >-
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          CIBW_ENVIRONMENT_LINUX: >-
+            PATH="$PATH:$HOME/.cargo/bin"
+            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          CIBW_TEST_ENVIRONMENT: PIP_ONLY_BINARY=pandas,numpy
+          CIBW_TEST_REQUIRES: pytest~=9.0 ${{ matrix.pandas }}
+          CIBW_TEST_SOURCES: tests
+          CIBW_TEST_COMMAND: >-
+            python -c "import python_calamine._python_calamine as m;
+            assert m.__file__.endswith('.so'), m.__file__" &&
+            python -m pytest -v tests
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: python-calamine-${{ env.PYTHON_CALAMINE_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish python-calamine ${{ inputs.version || '0.8.2' }}
+    needs: [setup, build_wheels]
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    with:
+      artifact-pattern: python-calamine-${{ inputs.version || '0.8.2' }}-*-manylinux_riscv64