check-python-prints.yml

name: Check for print() in Python files
permissions:
  contents: read

on:
  pull_request:
    branches:
      - master

jobs:
  check-prints:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Look for print() in Python files
        run: |
          echo "🔍 Scanning for 'print(' in Python files..."
          # Find all added/modified Python files in the PR
          git fetch --unshallow
          git fetch origin master
          changed_files=$(git diff --name-only origin/master...HEAD -- '*.py')

          if [ -z "$changed_files" ]; then
            echo "✅ No Python files changed."
            exit 0
          fi

          echo "Changed Python files:"
          echo "$changed_files"

          # Search for 'print(' in changed files
          found=$(grep -nH -E '(^|[^a-zA-Z0-9_])print\s*\(' $changed_files || true)

          if [ -n "$found" ]; then
            echo "❌ Found print statements:"
            echo "$found"
            exit 1
          else
            echo "✅ No print statements found."
          fi