Classe « registry »

Méthode sqlalchemy.orm.registry.mapped

Signature de la méthode mapped

def mapped(self, cls) 

Description

mapped.__doc__

Class decorator that will apply the Declarative mapping process
        to a given class.

        E.g.::

            from sqlalchemy.orm import registry

            mapper_registry = registry()

            @mapper_registry.mapped
            class Foo:
                __tablename__ = 'some_table'

                id = Column(Integer, primary_key=True)
                name = Column(String)

        See the section :ref:`orm_declarative_mapping` for complete
        details and examples.

        :param cls: class to be mapped.

        :return: the class that was passed.

        .. seealso::

            :ref:`orm_declarative_mapping`

            :meth:`_orm.registry.generate_base` - generates a base class
            that will apply Declarative mapping to subclasses automatically
            using a Python metaclass.