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pydantic-monty-runtime: add build-pydantic-monty-runtime.yml for riscv64 wheels
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‎.github/workflows/build-pydantic-monty-runtime.yml‎

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# SPDX-FileCopyrightText: 2026 The RISE Project
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# SPDX-License-Identifier: MIT
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---
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# This workflow is based on the `build` job of
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# https://github.com/pydantic/monty/blob/v0.0.21/.github/workflows/ci.yml
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name: Build pydantic-monty-runtime wheels (riscv64)
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on:
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workflow_dispatch:
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inputs:
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version:
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description: 'pydantic-monty-runtime version to build (git tag, e.g. v0.0.21)'
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required: true
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default: 'v0.0.21'
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pull_request:
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paths:
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- '.github/workflows/build-pydantic-monty-runtime.yml'
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concurrency:
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group: ${{ github.workflow }}-${{ inputs.version || 'v0.0.21' }}-${{ github.head_ref || github.run_id }}
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cancel-in-progress: true
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permissions:
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contents: read # to fetch code (actions/checkout)
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env:
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# `inputs.version` is empty on pull_request events; default to v0.0.21 there.
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MONTY_VERSION: ${{ inputs.version || 'v0.0.21' }}
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jobs:
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setup:
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uses: $/.github/workflows/_setup.yml
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build_wheel:
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needs: [setup]
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name: Build pydantic-monty-runtime ${{ inputs.version || 'v0.0.21' }} manylinux_riscv64
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runs-on: ubuntu-24.04-riscv
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timeout-minutes: 360
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steps:
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- name: Checkout monty ${{ env.MONTY_VERSION }}
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uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
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with:
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repository: pydantic/monty
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ref: ${{ env.MONTY_VERSION }}
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persist-credentials: false
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# `crates/monty-runtime`'s pyproject.toml has no `license-files`, so
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# maturin's default LICEN[CS]E* glob only looks next to it -- the repo's
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# actual LICENSE lives at the workspace root (gotcha 146). Upstream's own
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# published wheel has the same gap (no LICENSE in its dist-info); copy it
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# in so ours doesn't.
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- name: Copy LICENSE next to the crate's pyproject.toml
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run: cp LICENSE crates/monty-runtime/LICENSE
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# `[tool.maturin] bindings = "bin"`: the wheel is one compiled executable
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# with no ABI tag (monty-runtime never links pyo3 -- monty-proto's pyo3
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# dependency is gated behind a "python" feature this crate doesn't
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# enable), so a single native build covers every interpreter.
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- name: Build wheel
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uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b # v1.51.0
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with:
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command: build
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target: riscv64gc-unknown-linux-gnu
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args: --release --locked --out dist
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manylinux: '2_39'
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working-directory: crates/monty-runtime
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before-script-linux: git config --global --add safe.directory "*"
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- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
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with:
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name: pydantic-monty-runtime-${{ env.MONTY_VERSION }}-manylinux_riscv64
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path: crates/monty-runtime/dist/*.whl
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if-no-files-found: error
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test_wheel:
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name: Test pydantic-monty-runtime ${{ inputs.version || 'v0.0.21' }} on Python ${{ matrix.python-version }}
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needs: [setup, build_wheel]
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runs-on: ubuntu-24.04-riscv
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timeout-minutes: 30
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env:
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# Without this uv would reuse the runner image's system CPython for 3.12
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# and download a standalone build for the others.
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UV_PYTHON_PREFERENCE: only-managed
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strategy:
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fail-fast: false
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matrix:
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# This repo's default interpreter matrix (gotcha in workflow-anatomy.md);
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# the wheel is interpreter-agnostic (bindings = "bin"), so every
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# interpreter -- including free-threaded -- exercises the same binary.
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python-version: ['3.12', '3.13', '3.14', '3.14t']
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steps:
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- name: Download wheel
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uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
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with:
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name: pydantic-monty-runtime-${{ env.MONTY_VERSION }}-manylinux_riscv64
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- name: Install Python
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uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
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with:
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python-version: ${{ matrix.python-version }}
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activate-environment: true
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enable-cache: false
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- name: Install wheel
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run: uv pip install --reinstall --no-index --find-links . pydantic-monty-runtime
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# No wheel-level test suite ships in the sdist (gotcha 187): the CLI's
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# own tests (crates/monty-runtime/tests/*.rs) are Rust integration tests
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# run by upstream's own `cargo test`, never packaged. Drive the real
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# sandboxed interpreter instead of settling for a bare --version check,
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# mirroring upstream's own tests/mounts.rs cases (a mounted-path read, an
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# unmounted-path PermissionError, and a write-limit OSError) rather than
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# inventing an unmounted-write round trip upstream itself never asserts.
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- name: Test wheel
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run: |
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set -euo pipefail
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monty --version
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monty --help >/dev/null
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[ "$(monty -c "print('hello world')")" = "hello world" ]
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work=$(mktemp -d)
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cat > "$work/script.py" <<'PY'
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print(1 + 2)
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PY
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[ "$(monty "$work/script.py")" = "3" ]
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host=$(mktemp -d)
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echo 'hello from the host' > "$host/in.txt"
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cat > "$work/mount.py" <<'PY'
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from pathlib import Path
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print(Path('/mnt/in.txt').read_text().strip())
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PY
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[ "$(monty -m "$host::/mnt" "$work/mount.py")" = "hello from the host" ]
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cat > "$work/unmounted.py" <<'PY'
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from pathlib import Path
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Path('/outside.txt').read_text()
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PY
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set +e
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err=$(monty -m "$host::/mnt" "$work/unmounted.py" 2>&1)
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rc=$?
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set -e
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[ "$rc" -ne 0 ]
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echo "$err" | grep -q "PermissionError: Permission denied: '/outside.txt'"
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cat > "$work/write_limit.py" <<'PY'
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from pathlib import Path
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Path('/mnt/out.txt').write_text('hello from the sandbox')
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PY
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set +e
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err=$(monty -m "$host::/mnt::rw::4" "$work/write_limit.py" 2>&1)
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rc=$?
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set -e
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[ "$rc" -ne 0 ]
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echo "$err" | grep -q "OSError: disk write limit of 4 bytes exceeded"
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publish:
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name: Publish pydantic-monty-runtime ${{ inputs.version || 'v0.0.21' }}
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needs: [setup, build_wheel, test_wheel]
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permissions:
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contents: write
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pull-requests: write
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uses: $/.github/workflows/_publish-wheel.yml
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with:
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artifact-pattern: pydantic-monty-runtime-${{ inputs.version || 'v0.0.21' }}-manylinux_riscv64

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