lint-flake8.yml

name: Static Analysis

on:
  pull_request:
    branches: [ main ]
  push:
    branches: [ main ]

permissions:
  contents: read

jobs:
  flake8:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'

    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install flake8==7.3.0

    - name: Run flake8 static analysis
      # E9 (syntax errors), all of pyflakes (F: undefined names, unused imports,
      # unused locals, %-format errors, f-strings without placeholders, ...), plus
      # high-value correctness rules: W605 invalid escape sequence, E711-E714
      # None/True/membership comparisons, E722 bare except, E401 multiple imports
      # on one line. Bulk formatting rules (E501 line length, W291/W293 trailing
      # whitespace, E3xx blank lines) are intentionally left out.
      run: |
        flake8 . --count --select=E9,F,W605,E711,E712,E713,E714,E722,E401 --show-source --statistics