lightning/.github/workflows/code-checks.yml

name: Code check

on:
  push:
    branches: [master, "release/*"]
  pull_request:
    branches: [master, "release/*"]
    paths:
      - ".actions/**"
      - ".github/workflows/code-checks.yml"
      - "requirements/**"
      - "src/**"
      - "pyproject.toml"   # includes mypy config
      - "!requirements/docs.txt"
      - "!requirements/*/docs.txt"
      - "!*.md"
      - "!**/*.md"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
  cancel-in-progress: ${{ ! (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/heads/release/')) }}

defaults:
  run:
    shell: bash

jobs:

  mypy:
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-python@v4
      with:
        python-version: '3.10.6'

    # Note: This uses an internal pip API and may not always work
    # https://github.com/actions/cache/blob/master/examples.md#multiple-oss-in-a-workflow
    - name: Cache pip
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: pip-${{ hashFiles('requirements/pytorch/base.txt') }}
        restore-keys: pip-
        enableCrossOsArchive: true

    - name: Install dependencies
      run: |
        pip install mypy==0.982  # TODO: pull this verion deom requirements/test.txt
        pip install torch==1.12 --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
        python ./requirements/pytorch/adjust-versions.py requirements/pytorch/extra.txt
        # todo: adjust requirements for both code-bases
        pip install \
          -r requirements/fabric/base.txt \
          -r requirements/pytorch/base.txt \
          -r requirements/pytorch/extra.txt \
          -r requirements/app/base.txt \
          -r requirements/app/cloud.txt \
          -r requirements/app/ui.txt \
          --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
        pip list

    - name: Build package
      run: python setup.py build

    - name: Check typing
      run: |
        mkdir .mypy_cache
        mypy