In order to work with objects, we'll need a session cache. This is bound to an engine. We'll add new objects to the session cache. We'll also use the session cache to query objects in the database. This assures us that all objects that need to be persistent are in the cache. Here is a way to create a working session:
from sqlalchemy.orm import sessionmaker Session = sessionmaker(bind=engine) session = Session()
We used the SQLAlchemy sessionmaker() function to create a Session class. This is bound to the database engine that we created previously. We then used the Session class to build a session object that we can use to perform data manipulation. A session is required to work with the objects in ...
