"""Extension singletons. Initialized in the app factory."""
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_login import LoginManager
from flask_wtf import CSRFProtect
from flask_babel import Babel
from flask_limiter import Limiter
from flask_limiter.util import get_remote_address

db = SQLAlchemy()
migrate = Migrate()
login_manager = LoginManager()
csrf = CSRFProtect()
babel = Babel()
limiter = Limiter(key_func=get_remote_address)

login_manager.login_view = "auth.login"
login_manager.login_message_category = "warning"