Method get_class_lookups

django/db/models/fields/related.py:925–929

(cls)

    @classmethod
    @functools.cache
    def get_class_lookups(cls):
        bases = inspect.getmro(cls)
        bases = bases[: bases.index(ForeignObject) + 1]
        class_lookups = [parent.__dict__.get("class_lookups", {}) for parent in bases]
        return cls.merge_dicts(class_lookups)

    def contribute_to_class(self, cls, name, private_only=False, **kwargs):
        super().contribute_to_class(cls, name, private_only=private_only, **kwargs)