ZpenrMessangerProject/app/__init__.py

from flask import Flask, render_template
from .extensions import db, migrate
from .config import Config

from .routes.user import user
from .routes.massage import massage
from .routes.chat_me_liza import me_liza
from .routes.chat_me_makar import me_makar
from .routes.chat_liza_me import liza_me
from .routes.main import main

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

    app.register_blueprint(user)
    app.register_blueprint(massage)

    app.register_blueprint(main)
    app.register_blueprint(me_liza)
    app.register_blueprint(liza_me)
    app.register_blueprint(me_makar)

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

    with app.app_context():
        db.create_all()

    return app