"""Configuration helpers."""
import os
from typing import Optional

try:
    from dotenv import load_dotenv
    load_dotenv()
except Exception:
    pass


def get_env(key: str, default: Optional[str] = None) -> Optional[str]:
    return os.environ.get(key, default)
import os
try:
	from dotenv import load_dotenv
	load_dotenv()
except Exception:
	# If python-dotenv isn't installed, continue with environment variables or defaults
	try:
		# If there's a local shim, call it
		from dotenv import load_dotenv as _ld
		_ld()
	except Exception:
		pass

# Default to an in-memory SQLite DB for tests/local development when DB_URL is not set
DB_URL = os.getenv('DB_URL') or 'sqlite:///:memory:'
SECRET_KEY = os.getenv('SECRET_KEY') or 'dev-secret'