from .app import SessionLocal, engine from .models import Base, Author, Book def run(): Base.metadata.create_all(engine) s = SessionLocal() a1 = Author(name="Ursula K. Le Guin") a2 = Author(name="Octavia E. Butler") s.add_all([ a1, a2, Book(title="The Left Hand of Darkness", author=a1), Book(title="A Wizard of Earthsea", author=a1), Book(title="Parable of the Sower", author=a2), ]) s.commit() s.close() if __name__ == "__main__": run()