Add networkit 11.2.1 riscv64 wheels

.github/workflows/build-networkit.yml

@@ -0,0 +1,151 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the Linux job of
+# https://github.com/networkit/networkit/blob/11.2.1/.github/workflows/build_wheels.yml
+name: Build networkit wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/networkit.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-networkit.yml'
+      - 'docs/packages/networkit.yaml'
+      - 'patches/networkit/**'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-networkit.yml'
+      - 'docs/packages/networkit.yaml'
+      - 'patches/networkit/**'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+    with:
+      package: networkit
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    name: Build networkit ${{ matrix.version }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 240
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+        # Matches the ABIs upstream actually released for 11.2.1 on PyPI (no cp314 yet).
+        python: ["cp310", "cp311", "cp312", "cp313"]
+
+    env:
+      NETWORKIT_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout networkit v${{ env.NETWORKIT_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: networkit/networkit
+          ref: ${{ env.NETWORKIT_VERSION }}
+          submodules: true
+          persist-credentials: false
+
+      - name: Checkout python-wheels
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          path: python-wheels
+          persist-credentials: false
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # build-system.requires leaves Cython unbounded, and Cython 3.3.0 (released
+          # after 11.2.1) emits the vector->list converters for structures.node,
+          # double and vector[node] twice into distance.cpp ("redefinition of
+          # __pyx_convert_vector_to_py_..."). 3.2.x emits each once. The image's
+          # pip >= 26 only honours PIP_BUILD_CONSTRAINT in the isolated build env.
+          CIBW_BEFORE_ALL: echo 'Cython<3.3.0' > /cython-constraint.txt
+          CIBW_ENVIRONMENT: >-
+            PIP_CONSTRAINT=/cython-constraint.txt
+            PIP_BUILD_CONSTRAINT=/cython-constraint.txt
+            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+            PIP_ONLY_BINARY=numpy,scipy
+          CIBW_TEST_COMMAND: python3 -c 'import networkit'
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: networkit-${{ env.NETWORKIT_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  gpl_sources:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    name: Collect GPL sources (gcc) for networkit ${{ matrix.version }}
+    runs-on: ubuntu-24.04-riscv
+
+    env:
+      NETWORKIT_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout python-wheels
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          persist-credentials: false
+
+      # networkit links OpenMP, so auditwheel vendors the image's libgomp.
+      - uses: ./actions/collect-gpl-sources
+        with:
+          image: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          packages: gcc
+          output: gpl-sources.tar
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: networkit-${{ env.NETWORKIT_VERSION }}-gpl-sources
+          path: gpl-sources.tar
+          if-no-files-found: error
+
+  publish:
+    name: Publish networkit ${{ matrix.version }}
+    needs: [setup, build_wheels, gpl_sources]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    secrets:
+      app-private-key: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: networkit-${{ matrix.version }}-*-manylinux_riscv64
+      gpl-sources-artifact: networkit-${{ matrix.version }}-gpl-sources
+      gpl-sources-description: gcc

docs/packages/networkit.yaml

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+package-name: networkit
+source-code: https://github.com/networkit/networkit
+license: MIT License
+versions:
+- version: 11.2.1