App_v1
 app.py
 config.py
 App_Py
       main
           __init__.py
           forms.py
           views.py
       static
       templates
       __init__.py
      app_v1.db
      models.py

from App_Py import create_app
app=create_app()

if __name__=='__main__':
app.run(debug=True,port=4044)

import os
basedir = os.path.abspath(os.path.dirname(__file__))

class Config(object):
SECRET_KEY = ‘wdsfqsqdsqsdfqsqsdsq’
SQLALCHEMY_DATABASE_URI = 'sqlite:///'+os.path.join(basedir,'app_v1.db')
SQLALCHEMY_TRACK_MODIFICATIONS = False

import os
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_login import LoginManager
from config import Config

db = SQLAlchemy()
migrate=Migrate()
login_manager = LoginManager()
login_manager.login_view = 'users.login'

def create_app(config_class=Config):
  app = Flask(__name__)
  app.config.from_object(config_class)

  db.init_app(app)
  migrate.init_app(app, db)
  login_manager.init_app(app)

  from App_Py.main.views import main
  app.register_blueprint(main)
  return app

from App_Py import db,login_manager
from werkzeug.security import generate_password_hash,check_password_hash
from flask_login import UserMixin

__tablename__ = 'users'

id = db.Column(db.Integer,primary_key=True)
email = db.Column(db.String(64),unique=True,index=True)
username = db.Column(db.String(64),unique=True,index=True)
password_hash = db.Column(db.String(128))

def __init__(self, email, username, password):
    self.email = email
    self.username = username
    self.password_hash = generate_password_hash(password)

def __repr__(self):
    return f"Username {self.username}"

class Task_Add(db.Model):

  id = db.Column(db.Integer,primary_key=True)
  task_add = db.Column(db.String(64))
  def __init__(self,task_add):
    self.task_add = task_add

  def __repr__(self):
    return f"{self.task_add}"

from flask import render_template,url_for,flash,redirect,request,Blueprint
from flask_login import current_user,login_required
from App_Py import db
from App_Py.main.forms import TaskForm
from App_Py.models import User,Task_Add

main = Blueprint('main',__name__)

@main.route('/view_task’)
def view_task():

from App_Py import db
from App_Py.models import User

u= User(username=‘dqfq’,email=‘one@one.com’,password=‘test’)
db.session.add(u)
db.session.commit()