Function _expand_other_attrs

lib/sqlalchemy/orm/bulk_persistence.py:375–400

(
    mapper: Mapper[Any], mappings: Iterable[Dict[str, Any]]
)

def _expand_other_attrs(
    mapper: Mapper[Any], mappings: Iterable[Dict[str, Any]]
) -> None:
    all_attrs = mapper.all_orm_descriptors

    attr_keys = set(all_attrs.keys())

    bulk_dml_setters = {
        key: setter
        for key, setter in (
            (key, attr._bulk_dml_setter(key))
            for key, attr in (
                (key, _entity_namespace_key(mapper, key, default=NO_VALUE))
                for key in attr_keys
            )
            if attr is not NO_VALUE and isinstance(attr, PropComparator)
        )
        if setter is not None
    }
    setters_todo = set(bulk_dml_setters)
    if not setters_todo:
        return

    for mapping in mappings:
        for key in setters_todo.intersection(mapping):
            bulk_dml_setters[key](mapping)


class _ORMDMLState(_AbstractORMCompileState):