from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker # SQLALCHEMY_DATABASE_URL = "sqlite:///./sql_app.db" SQLALCHEMY_DATABASE_URL = "postgresql://admin:WeSign123!@localhost/wesigndev" engine = create_engine(SQLALCHEMY_DATABASE_URL) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base = declarative_base()