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lancedb: add build-lancedb.yml for riscv64 wheels #3

lancedb: add build-lancedb.yml for riscv64 wheels

lancedb: add build-lancedb.yml for riscv64 wheels #3

Workflow file for this run

# SPDX-FileCopyrightText: 2026 The RISE Project
# SPDX-License-Identifier: MIT
---
# This workflow is based on the `linux` job of
# https://github.com/lancedb/lancedb/blob/v0.37.1/.github/workflows/pypi-publish.yml
name: Build lancedb wheels (riscv64)
on:
workflow_dispatch:
inputs:
version:
description: 'lancedb version to build (git tag without the leading v, e.g. 0.37.1)'
required: true
default: '0.37.1'
pull_request:
paths:
- '.github/workflows/build-lancedb.yml'
concurrency:
group: ${{ github.workflow }}-${{ inputs.version || '0.37.1' }}-${{ 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 0.37.1 there.
LANCEDB_VERSION: ${{ inputs.version || '0.37.1' }}
MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
CARGO_INCREMENTAL: 0
CARGO_NET_RETRY: 10
RUSTUP_MAX_RETRIES: 10
jobs:
setup:
uses: $/.github/workflows/_setup.yml
build_wheels:
needs: [setup]
name: Build lancedb ${{ inputs.version || '0.37.1' }} cp310-abi3-manylinux_riscv64
runs-on: ubuntu-24.04-riscv
timeout-minutes: 1440
steps:
# lancedb-python is a member of the lancedb Cargo workspace and builds
# against its sibling crates, so the checkout lands at the workspace root.
- name: Checkout lancedb v${{ env.LANCEDB_VERSION }}
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
repository: lancedb/lancedb
ref: v${{ env.LANCEDB_VERSION }}
persist-credentials: false
- name: Checkout python-wheels
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
path: python-wheels
sparse-checkout: patches/lancedb
persist-credentials: false
- name: Apply lancedb patches
run: git apply -v python-wheels/patches/lancedb/${{ env.LANCEDB_VERSION }}/0001*.patch
# lance-core's SIMD_SUPPORT static and lance-linalg's f32x8/f32x16/
# i32x8/f64x4/f64x8 SIMD types compile only for x86_64/aarch64/
# loongarch64 upstream; the 0002 patch adds a portable riscv64 fallback
# to this checkout, and Cargo.toml's `[patch.crates-io]` (0001) redirects
# both crates here.
- name: Checkout lance v10.0.0 and add a riscv64 SIMD fallback
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
repository: lancedb/lance
ref: v10.0.0
path: lance
persist-credentials: false
- name: Apply lance patches
run: cd lance && git apply -v ../python-wheels/patches/lancedb/${{ env.LANCEDB_VERSION }}/0002*.patch
- name: Free disk space
uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be # v1.3.1
# Same OOM guard build-deltalake.yml/build-polars-runtime.yml need on
# these runners for a comparably sized Rust workspace.
- name: Set swap space
uses: pierotofy/set-swap-space@fc79b3f67fa8a838184ce84a674ca12238d2c761 # master
with:
swap-size-gb: 16
- name: Build wheel
uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074 # v4.2.0
with:
package-dir: python
output-dir: wheelhouse/
# pyo3 carries `abi3-py310` unconditionally in python/Cargo.toml, so
# upstream ships one cp310-abi3 wheel and no free-threaded variant:
# one build, on our minimum interpreter (build-deltalake.yml is the
# same shape). musllinux is dropped: rustup.rs ships no riscv64 musl
# toolchain. The x86_64-only `lancedb-compat` package variant
# (pre-Haswell CPU baseline) and the `fp16kernels` feature
# (lance-linalg's build.rs hard-errors compiling its C kernels for
# any target_arch other than x86_64/aarch64/loongarch64) have no
# riscv64 equivalent, so neither is built here.
only: cp312-manylinux_riscv64
env:
CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
# lancedb ships no [tool.cibuildwheel], so the Rust toolchain its
# maturin backend needs is installed in-container here. Rocky 10's
# CRB repo (enabled in the manylinux image) has protoc; PROTOC_INCLUDE
# is needed because it resolves google/protobuf/*.proto from disk
# rather than from the binary (same as build-statsig-python-core.yml).
CIBW_BEFORE_ALL_LINUX: >-
yum install -y protobuf-compiler protobuf-devel &&
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal
# .cargo/config.toml's [profile.release] is fat LTO + codegen-units=1,
# which this runner cannot afford for a workspace this size (arrow,
# datafusion, the aws/gcp/azure/tencent/huggingface object-store
# backends, lance-index). Upstream's own `release-with-debug` profile
# exists for exactly this tradeoff (thin LTO, codegen-units=16), so
# the override matches a shape upstream already ships rather than
# inventing one (same reasoning as build-deltalake.yml).
CIBW_ENVIRONMENT_LINUX: >-
PATH="$PATH:$HOME/.cargo/bin"
PROTOC=/usr/bin/protoc
PROTOC_INCLUDE=/usr/include
CARGO_PROFILE_RELEASE_LTO=thin
CARGO_PROFILE_RELEASE_CODEGEN_UNITS=16
CARGO_BUILD_JOBS=2
PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
# Without this pip prefers PyPI's releases, which have no riscv64
# wheel for these, and source-builds them in the container.
CIBW_TEST_ENVIRONMENT: PIP_ONLY_BINARY=numpy,pandas,pyarrow,duckdb,pydantic-core
CIBW_TEST_REQUIRES: pytest pytest-asyncio numpy pandas pyarrow duckdb
CIBW_TEST_SOURCES: python/pyproject.toml python/python/tests
# test_table.py, test_util.py, test_embeddings.py and
# test_namespace_integration.py import `polars` and/or `lance`
# (pylance) unconditionally at module scope, as do
# docs/test_guide_tables.py and docs/test_python.py; neither package
# has a riscv64 wheel and both are large enough Rust projects in
# their own right that building them from source here is out of
# scope, so those six files fail collection and are excluded rather
# than left to error. Otherwise mirrors run_tests/action.yml's
# non-integration path (`-m "not slow and not s3_test"`, no docker
# compose/localstack).
CIBW_TEST_COMMAND: >-
python -m pytest python/python/tests -vv --durations=30
-m "not slow and not s3_test"
--ignore=python/python/tests/test_table.py
--ignore=python/python/tests/test_util.py
--ignore=python/python/tests/test_embeddings.py
--ignore=python/python/tests/test_namespace_integration.py
--ignore=python/python/tests/docs/test_guide_tables.py
--ignore=python/python/tests/docs/test_python.py
- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: lancedb-${{ env.LANCEDB_VERSION }}-cp310-abi3-manylinux_riscv64
path: wheelhouse/*.whl
if-no-files-found: error
publish:
name: Publish lancedb ${{ inputs.version || '0.37.1' }}
needs: [setup, build_wheels]
permissions:
contents: write
pull-requests: write
uses: $/.github/workflows/_publish-wheel.yml
with:
artifact-pattern: lancedb-${{ inputs.version || '0.37.1' }}-*-manylinux_riscv64