linux.yml

name: Linux tests

# This file is meant for testing across supported Python versions, build types
# and interpreters (PyPy, python-dbg, a pre-release Python in summer time),
# build-via-sdist, run benchmarks, measure code coverage, and other build
# options.

on:
  push:
    branches:
      # coverage comparison in the "full" step needs to run on main after merges
      - main
  pull_request:
    branches:
      - main
      - maintenance/**

defaults:
  run:
    shell: bash

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read # to fetch code (actions/checkout)

jobs:
  lint:
    # To enable this job and subsequent jobs on a fork, comment out:
    if: github.repository == 'numpy/numpy' && github.event_name != 'push'
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-depth: 0
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: '3.10'
    - name: Install linter requirements
      run:
        python -m pip install -r requirements/linter_requirements.txt
    - name: Run linter on PR diff
      run:
        python tools/linter.py --branch origin/${{ github.base_ref }}

  smoke_test:
    # To enable this job on a fork, comment out:
    if: github.repository == 'numpy/numpy'
    runs-on: ubuntu-latest
    env:
      MESON_ARGS: "-Dallow-noblas=true -Dcpu-baseline=none -Dcpu-dispatch=none"
    strategy:
      matrix:
        version: ["3.10", "3.11", "3.12", "3.13-dev"]
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: ${{ matrix.version }}
    - uses: ./.github/meson_actions

  pypy:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: 'pypy3.10-v7.3.15'
    - name: Setup using scipy-openblas
      run: |
        python -m pip install -r requirements/ci_requirements.txt
        spin config-openblas --with-scipy-openblas=32
    - uses: ./.github/meson_actions

  debug:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - name: Install debug Python
      run: |
        sudo apt-get update
        sudo apt-get install python3-dbg ninja-build
    - name: Build NumPy and install into venv
      run: |
        python3-dbg -m venv venv
        source venv/bin/activate
        pip install -U pip
        pip install . -v -Csetup-args=-Dbuildtype=debug -Csetup-args=-Dallow-noblas=true
    - name: Install test dependencies
      run: |
        source venv/bin/activate
        pip install -r requirements/test_requirements.txt
    - name: Run test suite
      run: |
        source venv/bin/activate
        cd tools
        pytest --pyargs numpy -m "not slow"

  full:
    # Build a wheel, install it, then run the full test suite with code coverage
    needs: [smoke_test]
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: '3.10'
    - name: Install build and test dependencies from PyPI
      run: |
        pip install -r requirements/build_requirements.txt
        pip install -r requirements/test_requirements.txt
    - name: Install gfortran and setup OpenBLAS (MacPython build)
      run: |
        set -xe
        sudo apt update
        sudo apt install gfortran libgfortran5
        python -m pip install -r requirements/ci32_requirements.txt
        mkdir -p ./.openblas
        python -c"import scipy_openblas32 as ob32; print(ob32.get_pkg_config())" > ./.openblas/scipy-openblas.pc

    - name: Build a wheel
      env:
        PKG_CONFIG_PATH: ${{ github.workspace }}/.openblas
      run: |
        python -m build --wheel --no-isolation --skip-dependency-check
        pip install dist/numpy*.whl
    - name: Run full test suite
      run: |
        cd tools
        pytest --pyargs numpy --cov-report=html:build/coverage
        # TODO: gcov

  benchmark:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: '3.10'
    - name: Install build and benchmarking dependencies
      run: |
        sudo apt-get update
        sudo apt-get install libopenblas-dev ninja-build
        pip install asv virtualenv packaging -r requirements/build_requirements.txt
    - name: Install NumPy
      run: |
        spin build -- -Dcpu-dispatch=none
    # Ensure to keep the below steps as single-line bash commands (it's a
    # workaround for asv#1333, and it may have side-effects on multi-line commands)
    - name: Appease asv's need for machine info
      shell: 'script -q -e -c "bash --noprofile --norc -eo pipefail {0}"'
      run: |
        asv machine --yes --config benchmarks/asv.conf.json
    - name: Run benchmarks
      shell: 'script -q -e -c "bash --noprofile --norc -eo pipefail {0}"'
      run: |
        spin bench --quick

  sdist:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: '3.11'
    - name: Install gfortran and setup OpenBLAS (sdist build)
      run: |
        set -xe
        python -m pip install -r requirements/ci_requirements.txt
        mkdir -p ./.openblas
        python -c"import scipy_openblas64 as ob64; print(ob64.get_pkg_config())" > ./.openblas/scipy-openblas.pc
    - name: Build a wheel via an sdist
      env:
        PKG_CONFIG_PATH: ${{ github.workspace }}/.openblas
      run: |
        pip install build
        python -m build
        pip install dist/numpy*.whl
    - name: Install test dependencies
      run: |
        pip install -r requirements/test_requirements.txt
    - name: Run test suite
      run: |
        cd tools
        pytest --pyargs numpy -m "not slow"

  array_api_tests:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - name: Checkout NumPy
      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - name: Checkout array-api-tests
      uses: actions/checkout@v4
      with:
        repository: data-apis/array-api-tests
        ref: '3cf8ef654c456d9fd1633d64e67b4470465940e9'  # Latest commit as of 2024-04-09
        submodules: 'true'
        path: 'array-api-tests'
    - name: Set up Python
      uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: '3.11'
    - name: Install build and test dependencies from PyPI
      run: |
        python -m pip install -r requirements/build_requirements.txt
        python -m pip install -r requirements/test_requirements.txt
        python -m pip install -r array-api-tests/requirements.txt
    - name: Build and install NumPy
      run: |
        python -m pip install . -v -Csetup-args=-Dallow-noblas=true -Csetup-args=-Dcpu-baseline=none -Csetup-args=-Dcpu-dispatch=none
    - name: Run the test suite
      env:
        ARRAY_API_TESTS_MODULE: numpy
        PYTHONWARNINGS: 'ignore::UserWarning::,ignore::DeprecationWarning::,ignore::RuntimeWarning::'
      run: |
        cd ${GITHUB_WORKSPACE}/array-api-tests
        pytest array_api_tests -v -c pytest.ini --ci --max-examples=2 --derandomize --disable-deadline --skips-file ${GITHUB_WORKSPACE}/tools/ci/array-api-skips.txt

  custom_checks:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
      with:
        python-version: '3.11'
    - name: Install build and test dependencies from PyPI
      run: |
        pip install -r requirements/build_requirements.txt
        pip install -r requirements/test_requirements.txt
        pip install vulture
    - name: Build and install NumPy
      run: |
        # Install using the fastests way to build (no BLAS, no SIMD)
        spin build -j2 -- -Dallow-noblas=true -Dcpu-baseline=none -Dcpu-dispatch=none
    - name: Check build-internal dependencies
      run: |
        ninja -C build -t missingdeps
    - name: Check installed test and stub files
      run: |
        python tools/check_installed_files.py $(find ./build-install -path '*/site-packages/numpy')
    - name: Check for unreachable code paths in Python modules
      run: |
        # Need the explicit `bash -c` here because `grep` returns exit code 1 for no matches
        bash -c "! vulture . --min-confidence 100 --exclude doc/,numpy/distutils/,vendored-meson/ | grep 'unreachable'"
    - name: Check usage of install_tag
      run: |
        rm -rf build-install
        ./vendored-meson/meson/meson.py install -C build --destdir ../build-install --tags=runtime,python-runtime,devel
        python tools/check_installed_files.py $(find ./build-install -path '*/site-packages/numpy') --no-tests

  free-threaded:
    needs: [smoke_test]
    runs-on: ubuntu-latest
    if: github.event_name != 'push'
    steps:
    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      with:
        submodules: recursive
        fetch-tags: true
    # TODO: replace with setup-python when there is support
    - uses: deadsnakes/action@6c8b9b82fe0b4344f4b98f2775fcc395df45e494 # v3.1.0
      with:
          python-version: '3.13-dev'
          nogil: true
    # TODO: remove cython nightly install when cython does a release
    - name: Install nightly Cython
      run: |
        pip install git+https://github.com/cython/cython
    - uses: ./.github/meson_actions
      env:
        PYTHON_GIL: 0