from flask_login import LoginManager app = Flask(__name__) login_manager = LoginManager() login_manager.init_app(app)
from flask_login import UserMixin from app import db class User(UserMixin, db.Model): id = db.Column(db.Integer, primary_key=True) username = db.Column(db.String(50), unique=True) password = db.Column(db.String(100)) email = db.Column(db.String(50), unique=True)
from flask_login import login_manager @login_manager.user_loader def load_user(user_id): return User.query.get(int(user_id))The above code snippet tells the LoginManager how to load and identify users based on their ID. Flask-Login is part of the Flask-Auth package library.