ZpenrMessangerProject/app/models/user.py

from ..extensions import db, login_manager
from flask_login import UserMixin

@login_manager.user_loader
def load_user(user_id):
    return User.query.get(int(user_id))

class User(db.Model, UserMixin):
    id = db.Column(db.Integer, primary_key = True)
    name = db.Column(db.String(50))
    password = db.Column(db.String(200))