SQL-Alchemy-CRUD/insert.py at main · Akashkanagaraj03/SQL-Alchemy-CRUD · GitHub

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from models import create_user, create_movie, create_review
from connection import engine
from sqlalchemy.orm import Session

session = Session(bind = engine)

user_1, user_2 = [
    create_user('Akash', '[email protected]'),
    create_user('Violet', '[email protected]'),
]

movie_1, movie_2, movie_3 = [
    create_movie('Space Movie','Sci-fi',1996),
    create_movie('Indiana Jones','Adventure',2002),
    create_movie('Lord of the Rings','Fantasy',2000),
]

review_1, review_2, review_3, review_4 = [
    create_review( user_1, movie_1, 1, 'Movie was bad.'),
    create_review( user_1, movie_2, 4, 'Movie was very good.'),
    create_review( user_1, movie_3, 5, 'Tolkein is the greatest writer ever.'),
    create_review( user_2, movie_3, 2, 'Movie was mediocre.'),
]


with session.begin():
    try:
        session.add_all([
            user_1, user_2,
            movie_1, movie_2, movie_3,
            review_1, review_2, review_3, review_4,
        ])

    except Exception as e:
        print(f'Error:{e}')
        session.rollback()

    else:
        session.commit()
        print("Data Added.")

    finally:
        session.close()