Django post_save signal on parent class with multi-table inheritance18 Feb · by Tim Kamanin · 1 min read
Entity is a parent class of polymorphic multi-table inheritance. We want to attach post_save signal to every child of this class.
# Propagate signal across all children of a polymorphic parent. for subclass in Entity.__subclasses__(): post_save.connect(delete_comments, sender=subclass)