setup_dev.py

#!/usr/bin/env python3
"""
Development setup script for ANTLR Next Generation Python implementation.
"""

import subprocess
import sys
from pathlib import Path


def run_command(cmd, description):
    """Run a command and print status."""
    print(f"\n{description}...")
    try:
        result = subprocess.run(cmd, shell=True, check=True, capture_output=True, text=True)
        print(f"✓ {description} completed successfully")
        if result.stdout:
            print(result.stdout)
        return True
    except subprocess.CalledProcessError as e:
        print(f"✗ {description} failed")
        if e.stdout:
            print("STDOUT:", e.stdout)
        if e.stderr:
            print("STDERR:", e.stderr)
        return False


def main():
    """Set up development environment."""
    print("Setting up ANTLR Next Generation Python development environment")
    
    # Check Python version
    if sys.version_info < (3, 8):
        print("Error: Python 3.8 or higher is required")
        sys.exit(1)
    
    print(f"✓ Python {sys.version_info.major}.{sys.version_info.minor} detected")
    
    # Install package in development mode
    success = run_command(
        "pip install -e .[dev]",
        "Installing package in development mode"
    )
    
    if not success:
        print("Failed to install package. Trying alternative approach...")
        run_command(
            "pip install -e .",
            "Installing package without dev dependencies"
        )
        run_command(
            "pip install pytest pytest-cov black flake8 mypy click",
            "Installing dev dependencies separately"
        )
    
    # Run tests
    run_command("python -m pytest tests/ -v", "Running tests")
    
    # Check code formatting
    run_command("python -m black --check src/ tests/", "Checking code formatting")
    
    # Run linting
    run_command("python -m flake8 src/ tests/", "Running linter")
    
    # Test CLI commands
    print("\n=== Testing CLI Commands ===")
    run_command("antlr-ng --help", "Testing antlr-ng command")
    run_command("testrig --help", "Testing testrig command")
    run_command("interpreter --help", "Testing interpreter command")
    
    print("\n=== Development Environment Ready ===")
    print("You can now:")
    print("- Run tests: pytest")
    print("- Format code: black src/ tests/")
    print("- Check types: mypy src/")
    print("- Use CLI: antlr-ng --help")
    print("- Run example: python examples/usage_example.py")


if __name__ == "__main__":
    main()