lint.yml

name: Lint

on: [push, pull_request]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.8"
          
      - name: Cache pip
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt', 'setup.py', 'pyproject.toml') }}
          restore-keys: |
            ${{ runner.os }}-pip-
            
      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y g++ python3-dev libomp-dev build-essential
          
      - name: Install Python dependencies
        run: |
          python -m pip install --upgrade pip setuptools wheel
          python -m pip install numpy pandas
          python -m pip install black isort flake8 mypy typing-extensions
          python -m pip install build
          
      - name: Set up compiler environment
        run: |
          python_include=$(python3 -c 'import sysconfig; print(sysconfig.get_path("include"))')
          numpy_include=$(python3 -c 'import numpy; print(numpy.get_include())')
          echo "CFLAGS=-I${python_include} -I${numpy_include}" >> $GITHUB_ENV
          echo "CXXFLAGS=-I${python_include} -I${numpy_include} -fopenmp -std=c++11 -O3 -Wall -fPIC" >> $GITHUB_ENV
          echo "LDFLAGS=-fopenmp" >> $GITHUB_ENV
          echo "NPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION" >> $GITHUB_ENV
          echo "CC=gcc" >> $GITHUB_ENV
          echo "CXX=g++" >> $GITHUB_ENV
          
      - name: Create directories
        run: |
          mkdir -p pattern_causality/utils
          mkdir -p pattern_causality/cpp
          mkdir -p utils
          touch pattern_causality/__init__.py
          touch pattern_causality/utils/__init__.py
          touch pattern_causality/cpp/__init__.py
          touch utils/__init__.py
          
      - name: Build package
        run: |
          python -m pip install -v -e .
          
      - name: Format with Black
        run: |
          black . --check --diff
        continue-on-error: true
        
      - name: Check imports with isort
        run: |
          isort . --check-only --diff
        continue-on-error: true
        
      - name: Lint with flake8
        run: |
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          flake8 . --count --exit-zero --max-complexity=10 --statistics
        continue-on-error: true
        
      - name: Type check with mypy
        run: |
          mypy pattern_causality --ignore-missing-imports
        continue-on-error: true