パスワードの要素に何も入ってないのかわかりません。
解決したいこと
FlaskでWebアプリについてを勉強しています。
そこでエラーが発生してしまいました。
多分、VScodeの問題に
Expected class type but received "SQLAlchemy" Pylance(reportGeneralTypeIssues)
が出ていてこれが原因だと思うんですけど解決法がわかりません。
解決法を教えてください。
発生している問題・エラー
<line 63, in login>
if check_password_hash(user.password, password):
AttributeError: 'NoneType' object has no attribute 'password'
ソースコード
from flask import Flask
from flask import render_template, request, redirect
from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin, LoginManager, login_user, logout_user, login_required
from sqlalchemy.orm import query
from werkzeug.security import generate_password_hash, check_password_hash
import os
from datetime import datetime
import pytz
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///blog.db'
app.config['SECRET_KEY'] = os.urandom(24)
db = SQLAlchemy(app)
login_manager = LoginManager()
login_manager.init_app(app)
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(50), nullable=False)
body = db.Column(db.String(300), nullable=False)
created_at = db.Column(db.DateTime, nullable=False, default=datetime.now(pytz.timezone('Asia/Tokyo')))
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(30), unique=True)
password = db.Column(db.String(12))
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
@app.route('/', methods=['GET', 'POST'])
@login_required
def index():
if request.method == 'GET':
posts = Post.query.all()
return render_template('index.html', posts=posts)
@app.route('/signup', methods=['GET', 'POST'])
def singup():
if request.method == 'POST':
username = request.form.get('username')
password = request.form.get('password')
user = User(username=username, password=generate_password_hash(password, method='sha256'))
db.session.add(user)
db.session.commit()
return redirect('/login')
else:
return render_template('singup.html')
@app.route('/login', methods=['GET', 'POST'])
def login():
if request.method == 'POST':
username = request.form.get('username')
password = request.form.get('password')
user = User.query.filter_by(username=username).first()
if check_password_hash(user.password, password):
login_user(user)
return redirect('/')
else:
return render_template('login.html')
@app.route('/logout')
@login_required
def logout():
logout_user()
return redirect('/login')
@app.route('/create', methods=['GET', 'POST'])
@login_required
def create():
if request.method == 'POST':
title = request.form.get('title')
body = request.form.get('body')
post = Post(title=title, body=body)
db.session.add(post)
db.session.commit()
return redirect('/')
else:
return render_template('create.html')
@app.route('/<int:id>/updata', methods=['GET', 'POST'])
@login_required
def update(id):
post =Post.query.get(id)
if request.method == 'GET':
return render_template('update.html', post=post)
else:
post.title = request.form.get('title')
post.body = request.form.get('body')
db.session.commit()
return redirect('/')
@app.route('/<int:id>/delete', methods=['GET'])
@login_required
def delete(id):
post =Post.query.get(id)
db.session.delete(post)
db.session.commit()
return redirect('/')
VScodeで出ている問題
0
