我遇到了登录烧瓶的问题。 填写登录表单并点击“提交”后。我收到此错误:
Flask-login AttributeError:' User'对象没有属性' is_active'
创建了一些测试用户。登录模板没有问题
回溯:
Traceback (most recent call last):
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "C:\flask_prj\project\venv\lib\site-packages\flask\app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "C:\flask_prj\project\hello.py", line 170, in login
login_user(user, form.remember_me.data)
File "C:\flask_prj\project\venv\lib\site-packages\flask_login.py", line 576, in login_user
if not force and not user.is_active():
AttributeError: 'User' object has no attribute 'is_active'
我在视图中的代码:
@app.route('/login', methods=['GET', 'POST'])
def login():
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data).first()
if user is not None and user.verify_password(form.password.data):
login_user(user, form.remember_me.data)
return redirect(request.args.get('next') or url_for('index'))
flash('Invalid username or password.')
return render_template('login.html', form=form)
@login_required
def logout():
logout_user()
flash ('You have been logged out')
return redirect(url_for('index'))
我的模特:
class User(db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.Integer, unique=True, index=True)
email = db.Column(db.String(64), unique=True, index=True)
password_hash = db.Column(db.String(128))
@property
def password(self):
raise AttributeError('password is not a readable attribute')
@password.setter
def password(self, password):
self.password_hash = generate_password_hash(password)
def verify_password(self, password):
return check_password_hash(self.password_hash, password)
role_id = db.Column(db.Integer, db.ForeignKey('roles.id'))
def __repr__(self):
return '<User %r>' % self.username
答案 0 :(得分:16)
您应该在模型上继承UserMixin
。您还应该添加user_loader
from flask.ext.login import UserMixin
from yourapp import login_manager
@login_manager.user_loader
def get_user(ident):
return User.query.get(int(ident))
class User(db.Model, UserMixin)
id = db.Column(db.Integer, primary_key=True)
### yada yada, you know what goes here
答案 1 :(得分:6)
来自Flask-login documentation,具体说:
“为了更容易实现用户类,您可以从UserMixin继承,它提供了所有这些方法的默认实现。(但这不是必需的。”
所提到的方法将是: is_authenticated(), is_active(), is_anonymous()和 get_id()强>,从你的模型看,它们都缺失了。一旦为模型实现了这些功能,Flask-login应该没有问题。
答案 2 :(得分:0)
我的模型文件有UserMixin。
from flask_login import UserMixin
def get_user(user_id):
user = User.query.filter_by(id=user_id).first()
return user
class User(db.Model, UserMixin):
id = db.Column(db.String(500), primary_key=True)
# Flask-Login helper to retrieve a user from our db
@login_manager.user_loader
def load_user(user_id):
return get_user(user_id)