availabili.tf/backend-flask/app_db.py

27 lines
799 B
Python

from flask import Flask
from flask_migrate import Migrate
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy import MetaData
from sqlalchemy.orm import DeclarativeBase
class BaseModel(DeclarativeBase):
pass
convention = {
"ix": "ix_%(column_0_label)s",
"uq": "uq_%(table_name)s_%(column_0_name)s",
"ck": "ck_%(table_name)s_%(constraint_name)s",
"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
"pk": "pk_%(table_name)s"
}
def connect_db_with_app():
app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///db.sqlite3"
db.init_app(app)
migrate.init_app(app, db)
metadata = MetaData(naming_convention=convention)
app = Flask(__name__)
db = SQLAlchemy(model_class=BaseModel, metadata=metadata)
migrate = Migrate(app, db, render_as_batch=True)