from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from const import URL_DATABASE

engine = create_engine(URL_DATABASE)

SessionLocal = sessionmaker(autocommit=False ,autoflush=False, bind=engine)

Base = declarative_base()

def get_db():
  db = SessionLocal()
  try:
    yield db
  finally:
    db.close()