sqlalchemy.orm.Mapper

Here are the examples of the python api sqlalchemy.orm.Mapper taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

1 Examples 7

3 Source : test_mapper.py
with MIT License
from sqlalchemy

    def test_cant_call_legacy_constructor_directly(self):
        users, User = (
            self.tables.users,
            self.classes.User,
        )

        from sqlalchemy.orm import Mapper

        with expect_raises_message(
            sa.exc.InvalidRequestError,
            r"The _mapper\(\) function and Mapper\(\) constructor may not be "
            "invoked directly",
        ):
            Mapper(User, users)

    def test_prop_shadow(self):