river: Add version 0.26.1

.github/workflows/build-river.yml

@@ -0,0 +1,161 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the `build_linux_wheels` and `build_linux_abi3_wheels` jobs of
+# https://github.com/online-ml/river/blob/0.26.1/.github/workflows/pypi.yml
+# and the `tests` job of
+# https://github.com/online-ml/river/blob/0.26.1/.github/workflows/code-quality.yml
+name: Build river wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/river.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-river.yml'
+      - 'docs/packages/river.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-river.yml'
+      - 'docs/packages/river.yaml'
+
+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: river
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    name: Build river ${{ 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) }}
+        # Upstream ships no free-threaded wheel; cp311 is served by the abi3 wheel below.
+        python: ["cp312", "cp313", "cp314", "cp315"]
+
+    env:
+      RIVER_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout river ${{ env.RIVER_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: online-ml/river
+          ref: ${{ env.RIVER_VERSION }}
+          persist-credentials: false
+
+      - name: Build and test wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # build[uv] needs a host uv for the audit step, which the riscv64 runner lacks.
+          CIBW_BUILD_FRONTEND: build
+          CIBW_ENVIRONMENT_LINUX: >-
+            PATH="$HOME/.cargo/bin:$PATH"
+            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          CIBW_TEST_ENVIRONMENT: PIP_PREFER_BINARY=1
+          CIBW_TEST_REQUIRES: >-
+            pytest scikit-learn sqlalchemy sympy gymnasium polars pyarrow
+          CIBW_TEST_SOURCES: tests conftest.py pyproject.toml
+          # test_docs.py needs the docs/ parser tooling, not the wheel; the memory
+          # ceiling in test_memory_usage_class is calibrated to CPython 3.13 object
+          # sizes and fails on 3.12 on x86_64 as well.
+          CIBW_TEST_COMMAND: >-
+            python -c "import river.anomaly, river.datasets, river.drift, river.stream, river.tree" &&
+            python -c "import river._river_rust as m; assert m.__file__.endswith('.so'), m.__file__" &&
+            python -c "from river import datasets, bandit; datasets.Elec2().download(); datasets.SMSSpam().download(); datasets.CreditCard().download(); datasets.Music().download(); datasets.CriteoAds().download(); bandit.datasets.NewsArticles().download()" &&
+            python -m pytest tests
+            --ignore=tests/test_docs.py
+            --deselect "tests/tree/test_trees.py::test_memory_usage_class[dataset2-model2]"
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: river-${{ env.RIVER_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  build_abi3_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    name: Build river ${{ matrix.version }} cp311-abi3-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 120
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+
+    env:
+      RIVER_VERSION: ${{ matrix.version }}
+      MATURIN_PEP517_ARGS: "--features abi3"
+
+    steps:
+      - name: Checkout river ${{ env.RIVER_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: online-ml/river
+          ref: ${{ env.RIVER_VERSION }}
+          persist-credentials: false
+
+      - name: Build and test wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: cp311-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          CIBW_BUILD_FRONTEND: build
+          CIBW_ENVIRONMENT_PASS_LINUX: MATURIN_PEP517_ARGS
+          CIBW_ENVIRONMENT_LINUX: >-
+            PATH="$HOME/.cargo/bin:$PATH"
+            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          # scipy 1.16/1.17 still accept 3.11 but have no riscv64 wheel; take the registry's 1.15.
+          CIBW_TEST_ENVIRONMENT: PIP_PREFER_BINARY=1
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: river-${{ env.RIVER_VERSION }}-cp311-abi3-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish river ${{ matrix.version }}
+    needs: [setup, build_wheels, build_abi3_wheels]
+    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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: river-${{ matrix.version }}-*-manylinux_riscv64

docs/packages/river.yaml

@@ -0,0 +1,5 @@
+package-name: river
+source-code: https://github.com/online-ml/river
+license: BSD-3-Clause
+versions:
+- version: 0.26.1