Method handler

tests/m2m_signals/tests.py:84–86

(signal, sender, **kwargs)

        pk_sets_sent = []

        def handler(signal, sender, **kwargs):
            if kwargs["action"] in ["pre_add", "pre_remove"]:
                pk_sets_sent.append(kwargs["pk_set"])

        models.signals.m2m_changed.connect(handler, Car.default_parts.through)