Function deferred_copy_internals

lib/sqlalchemy/sql/visitors.py:1022–1025

(
        obj: ExternallyTraversible,
    )

    stop_on = set(opts.get("stop_on", []))

    def deferred_copy_internals(
        obj: ExternallyTraversible,
    ) -> ExternallyTraversible:
        return cloned_traverse(obj, opts, visitors)

    def clone(elem: ExternallyTraversible, **kw: Any) -> ExternallyTraversible:
        if elem in stop_on: