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[英]I am trying to push my app using cf push command but I keep on getting this error below
[英]I am trying to insert new user to my sqlAlchemy by using Python and Flask but keep getting an error
這是我的數據庫模型設置
class User(db.Model, UserMixin):
__tablename__ = 'users'
username = db.Column(db.String(100), nullable=False)
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
email = db.Column(db.String(100), unique=True, nullable=False)
password_hash = db.Column(db.String(128), nullable=False)
roles = db.relationship('Role', secondary='users_roles')
backref = db.backref('users', lazy='dynamic')
# Here func that hashing password set it by user
def set_password(self, password):
self.password_hash = generate_password_hash(password)
class Role(db.Model, RoleMixin):
__tablename__ = 'roles'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
name = db.Column(db.String(60), unique=True)
這是我嘗試插入新用戶的方式,
new_user = User(username="user1", email="user1@gmail.com",
password_hash="hashed_password", roles="Admin")
db.session.add(new_user)
db.session.commit()
但我不斷收到此錯誤
", line 1385, in <listcomp>
((c is not None) and instance_state(c) or None, c)
AttributeError: 'str' object has no attribute '_sa_instance_state'
有人能幫助我嗎??
我認為問題在於您初始化用戶的角色屬性的方式:
new_user = User(username="user1", email="user1@gmail.com", password_hash="hashed_password", roles="Admin")
因為角色是指一個對象 ry 將 'roles="Admin"' 更改為角色對象
另外 c 通常表示一列,因此它嘗試獲取列(角色對象)的和屬性,並將角色作為 str
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