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.github/workflows/build-polyscope.yml at 5423eca

	# SPDX-FileCopyrightText: 2026 The RISE Project
	# SPDX-License-Identifier: MIT
	---
	# This workflow mirrors the `build_wheels` job of upstream's own
	# .github/workflows/publish.yml, narrowed to Linux, and runs the tests of its
	# .github/workflows/test_linux.yml against the built wheel.
	name: Build polyscope wheels (riscv64)

	on:
	workflow_dispatch:
	inputs:
	version:
	description: 'Version glob to (re)build; empty builds every version of docs/packages/polyscope.yaml not released yet'
	required: false
	default: ''
	pull_request:
	branches: [main]
	paths:
	- '.github/workflows/build-polyscope.yml'
	- 'docs/packages/polyscope.yaml'
	push:
	branches: [main]
	paths:
	- '.github/workflows/build-polyscope.yml'
	- 'docs/packages/polyscope.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
	MUSLLINUX_RISCV64_IMAGE: quay.io/pypa/musllinux_1_2_riscv64

	jobs:
	setup:
	uses: $/.github/workflows/_setup.yml
	with:
	package: polyscope
	version: ${{ inputs.version }}

	build_wheels:
	needs: [setup]
	if: needs.setup.outputs.versions != '[]'
	name: Build polyscope ${{ matrix.version }} ${{ matrix.python }}-${{ matrix.libc }}_riscv64
	runs-on: ubuntu-24.04-riscv
	timeout-minutes: 360
	strategy:
	fail-fast: false
	matrix:
	version: ${{ fromJSON(needs.setup.outputs.versions) }}
	python: ["cp312", "cp313", "cp314", "cp314t"]
	libc: [manylinux, musllinux]

	env:
	POLYSCOPE_VERSION: ${{ matrix.version }}

	steps:
	- name: Checkout polyscope-py v${{ env.POLYSCOPE_VERSION }}
	uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
	with:
	repository: nmwsharp/polyscope-py
	ref: v${{ env.POLYSCOPE_VERSION }}
	persist-credentials: false

	# deps/eigen comes from gitlab.com, which intermittently refuses fetches "due to load".
	- name: Fetch submodules
	run: \|
	set -euo pipefail
	for attempt in 1 2 3 4 5; do
	git -c protocol.version=2 submodule update --init --force --depth=1 --recursive && break
	[ "$attempt" -lt 5 ] \|\| exit 1
	sleep $((attempt * 30))
	done

	# The extension statically links every library below; upstream's wheel ships
	# only its own LICENSE.
	- name: Stage the vendored dependencies' licences
	run: \|
	set -euo pipefail
	cp deps/polyscope/LICENSE LICENSE.polyscope
	cp deps/nanobind/LICENSE LICENSE.nanobind
	cp deps/nanobind/ext/robin_map/LICENSE LICENSE.robin-map
	cp deps/eigen/COPYING.MPL2 LICENSE.eigen
	cp deps/polyscope/deps/glfw/LICENSE.md LICENSE.glfw
	cp deps/polyscope/deps/glad/LICENSE LICENSE.glad
	cp deps/polyscope/deps/glm/copying.txt LICENSE.glm
	cp deps/polyscope/deps/happly/LICENSE LICENSE.happly
	cp deps/polyscope/deps/imgui/imgui/LICENSE.txt LICENSE.imgui
	cp deps/polyscope/deps/imgui/implot/LICENSE LICENSE.implot
	cp deps/polyscope/deps/imgui/ImGuizmo/LICENSE LICENSE.imguizmo
	cp deps/polyscope/deps/json/LICENSE.MIT LICENSE.nlohmann-json
	cp deps/polyscope/deps/IconFontCppHeaders/licence.txt LICENSE.iconfontcppheaders

	- uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074 # v4.2.0
	with:
	config-file: .github/workflows/cibuildwheel_config.toml
	output-dir: wheelhouse/
	only: ${{ matrix.python }}-${{ matrix.libc }}_riscv64
	env:
	CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
	CIBW_MUSLLINUX_RISCV64_IMAGE: ${{ env.MUSLLINUX_RISCV64_IMAGE }}
	# Replaces the config file's environment table, whose CMAKE_ARGS lacks the leading '-'.
	CIBW_ENVIRONMENT: >-
	CMAKE_ARGS=-DPOLYSCOPE_BACKEND_OPENGL3_EGL=ON
	SKBUILD_WHEEL_LICENSE_FILES="LICENSE*"
	PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
	PIP_ONLY_BINARY=numpy
	CIBW_TEST_SOURCES: test
	CIBW_TEST_COMMAND: >-
	python test/polyscope_test.py -v --backend=openGL_mock &&
	python test/polyscope_test.py -v --backend=openGL3_egl
	# numpy has no riscv64 musllinux wheel in our registry.
	CIBW_TEST_SKIP: "-musllinux"

	- name: Check wheel contents
	run: \|
	python3 - wheelhouse/*.whl <<'EOF'
	import sys, zipfile
	names = zipfile.ZipFile(sys.argv[1]).namelist()
	exts = [n for n in names if n.startswith("polyscope_bindings.") and n.endswith(".so")]
	assert len(exts) == 1 and "-riscv64-linux-" in exts[0], exts
	licences = {n.split(".dist-info/licenses/", 1)[1] for n in names
	if ".dist-info/licenses/" in n and not n.endswith("/")}
	expected = {"LICENSE"} \| {f"LICENSE.{d}" for d in (
	"polyscope", "nanobind", "robin-map", "eigen", "glfw", "glad", "glm", "happly",
	"imgui", "implot", "imguizmo", "nlohmann-json", "iconfontcppheaders")}
	assert licences == expected, licences
	EOF

	- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
	with:
	name: polyscope-${{ env.POLYSCOPE_VERSION }}-${{ matrix.python }}-${{ matrix.libc }}_riscv64
	path: wheelhouse/*.whl
	if-no-files-found: error

	publish:
	name: Publish polyscope ${{ matrix.version }}
	needs: [setup, build_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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
	with:
	artifact-pattern: polyscope-${{ matrix.version }}-*riscv64

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