"""Объект для взаимодействия flask-приложения с базой данных."""
from flask_sqlalchemy import SQLAlchemy
from flask_marshmallow import Marshmallow  # noqa: I100
from sqlalchemy import MetaData

metadata = MetaData(
    naming_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",
    },
)

db = SQLAlchemy(metadata=metadata)
ma = Marshmallow()
