debug_login.py

from app import app
from models import db, User
from werkzeug.security import check_password_hash

with app.app_context():
    print("DB URI:", app.config["SQLALCHEMY_DATABASE_URI"])
    users = User.query.all()
    print("Users in DB:", len(users))
    for u in users:
        print(f"  email={u.email} password_hash={u.password[:30]}...")
        result = check_password_hash(u.password, "1234")
        print(f"  password check for '1234': {result}")