'Returns a dict of all perms for this model. This dict has the keys
``add``, ``change``, and ``delete`` mapping to the True/False for each
of those actions.'

def get_model_perms(self, request):

    return {'add': self.has_add_permission(request), 'change': self.has_change_permission(request), 'delete': self.has_delete_permission(request)}
