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[英]Serializing a sqlalchemy hybrid_property using marshmallow
[英]Flask can't find 'password' field when using SQLAlchemy's hybrid_property
我正在學習 Flask,我正在嘗試exploreflask 教程。 我的注冊表不起作用。 錯誤在server.py 中並說:
password = form.password.data
TypeError: __init__() got an unexpected keyword argument 'password'
我正在使用 Flask-SQLAlchemy 的declarative_base
,所以我相信hybrid_property
上的hybrid_property
應該可以正常工作,但事實並非如此!
模型.py:
from flask.ext.login import UserMixin
from flask.ext.bcrypt import Bcrypt
from sqlalchemy.ext.hybrid import hybrid_property
from sqlalchemy import Column, Integer, String
from database import Base
# Base is using Flask-SqlAlchemy's declarative_base()
class User(Base, UserMixin):
__tablename__ = 'users'
id = Column(Integer, primary_key=True)
email = Column(String(120), unique=True)
_password = Column(String(120))
def __init__(self, name=None, email=None):
self.email = email
def __repr__(self):
return '<User %r>' % (self.name)
@hybrid_property
def password(self):
return self._password
@password.setter
def _set_password(self, plaintext):
self._password = bcrypt.generate_password_hash(plaintext)
def verify_password(self, plaintext):
return bcrypt.check_password_hash(self._password, plaintext)
表格.py:
from flask_wtf import Form
from wtforms import StringField, PasswordField
from wtforms.fields.html5 import EmailField
from wtforms.validators import InputRequired
class RegisterForm(Form):
email = EmailField('email', validators=[InputRequired()])
password = PasswordField('password', validators=[InputRequired()])
服務器.py:
@app.route('/register', methods=["GET", "POST"])
def register():
form = RegisterForm()
if form.validate_on_submit():
user = User(
email = form.email.data,
password = form.password.data
)
db_session.add(user)
db_session.commit()
return redirect(url_for('login.html'))
return render_template('register.html', form=form)
我不確定出了什么問題?
在 server.py 中,您正在使用電子郵件和密碼初始化 User 實例。 但是,您的 User 類構造函數只接受參數 name 和 email。
所以你應該改變你的構造函數,它也接受密碼。
def __init__(self, name=None, email=None, password=None)
#your constructor logic
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