Classe « sessionmaker »

Méthode sqlalchemy.orm.sessionmaker.begin

Signature de la méthode begin

def begin(self) 

Description

begin.__doc__

Produce a context manager that both provides a new
        :class:`_orm.Session` as well as a transaction that commits.


        e.g.::

            Session = sessionmaker(some_engine)

            with Session.begin() as session:
                session.add(some_object)

            # commits transaction, closes session

        .. versionadded:: 1.4