python-package-conda.yml

name: Python Package using Conda

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

env:
  latest_python: "3.12"
  supported_pythons: '["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]'
  miniforge_version: "22.9.0-2"
  miniforge_variant: "Mambaforge"

jobs:
  conf:
    # This job is needed to route the global environment variables into
    # a context that's available for matrix (and name, but that's unimportant)
    name: Prepare Test Plan
    runs-on: "ubuntu-latest"
    outputs:
      latest_python: ${{ steps.set-vars.outputs.latest_python }}
      supported_pythons: ${{ steps.set-vars.outputs.supported_pythons }}
    steps:
      - name: Report Plan
        id: set-vars
        run: |
          echo "latest_python=$latest_python" >> $GITHUB_OUTPUT
          echo "supported_pythons=$supported_pythons" >> $GITHUB_OUTPUT
  build-lint-test:
    needs: conf
    strategy:
      max-parallel: 5
      fail-fast: true
      matrix:
        python_version: ${{ fromJSON(needs.conf.outputs.supported_pythons) }}
        os: [ubuntu-latest, macos-13, macos-14]
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: true
    - uses: conda-incubator/setup-miniconda@v2
      with:
        auto-update-conda: true
        python-version: ${{ matrix.python_version }}
        miniforge-version: ${{ env.miniforge_version }}
        miniforge-variant: ${{ env.miniforge_variant }}
        environment-file: ci/conda_host_env.yml
    - name: Install dependencies
      shell: bash -l {0}
      run: |
        conda install --yes -c conda-forge --file ci/conda_requirements.txt
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 bp --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 bp --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
    - name: Test with pytest
      run: |
        pytest