linters.yaml

name: "linters"
on:
  push:
    branches:
      - develop
  pull_request_target:
    branches:
      - develop

concurrency:
  # Probably overly cautious group naming.
  # Commits to develop/master will cancel each other, but PRs will only cancel
  # commits within the same PR
  group: "${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}"
  cancel-in-progress: true

permissions:
  # try to lock things down as much as possible
  actions: read
  checks: read
  contents: read
  deployments: read
  discussions: read
  id-token: none
  issues: read
  packages: read
  pages: read
  pull-requests: read
  repository-projects: read
  security-events: read
  statuses: read

defaults:
  run:
    shell: bash -l {0}

jobs:
  darker_lint:
    if: |
      github.repository == 'MDAnalysis/mdanalysis' &&
      github.event_name == 'pull_request_target'
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    defaults:
      run:
        shell: bash

    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - uses: actions/setup-python@v4
      with:
        python-version: 3.8

    - name: setup_dependencies
      run: |
        pip install PyGithub

    - name: darker-main-code
      id: darker-main-code
      uses: akaihola/darker@1.6.1
      continue-on-error: true
      with:
        version: "~=1.6.1"
        options: "--check --diff --color"
        src: "./package/MDAnalysis"
        revision: "HEAD^"
        lint: "flake8"

    - name: darker-test-code
      id: darker-test-code
      uses: akaihola/darker@1.6.1
      continue-on-error: true
      with:
        version: "~=1.6.1"
        options: "--check --diff --color"
        src: "./testsuite/MDAnalysisTests"
        revision: "HEAD^"
        lint: "flake8"

    - name: get-pr-info
      uses: actions/github-script@v6
      with:
        script:
            const prNumber = context.payload.number;
            core.exportVariable('PULL_NUMBER', prNumber);

    - name: write-errors
      env:
        PR_NUM: ${{ env.PULL_NUMBER }}
        GITHUB_TOKEN: ${{ github.token }}
      run: |
        echo ${{ steps.darker-main-code.outcome }}
        echo ${{ steps.darker-test-code.outcome }}
        python maintainer/ci/darker-outcomes.py  --main_stat ${{ steps.darker-main-code.outcome }} \
                                                 --test_stat ${{ steps.darker-test-code.outcome }}


  pylint_check:
    if: "github.repository == 'MDAnalysis/mdanalysis'"
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3

    - uses: actions/setup-python@v4
      with:
        python-version: 3.8

    - name: install
      run: |
        python -m pip install pylint

    - name: pylint
      env:
        PYLINTRC: package/.pylintrc
      run: |
        pylint package/MDAnalysis && pylint testsuite/MDAnalysisTests


  mypy :
    if: "github.repository == 'MDAnalysis/mdanalysis'"
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: setup_miniconda
        uses: conda-incubator/setup-miniconda@v2
        with:
          python-version: 3.8
          auto-update-conda: true
          channel-priority: flexible
          channels: conda-forge, bioconda
          add-pip-as-python-dependency: true
          use-mamba: true
          miniforge-variant: Mambaforge
          architecture: x64

      - name: install_deps
        uses: ./.github/actions/setup-deps
        with:
          mamba: true
          full-deps: true
          numpy: numpy=1.21.0

      - name: install
        run: |
          python -m pip install mypy

      - name: "Run mypy"
        run: |
          mypy package/MDAnalysis/