Class name using metaclass in python

gistfile1.txt

class Manager(object):

    def __init__(self, cls_):
        self.cls_ = cls_

    def all(self):
        print(self.cls_.__name__)

class ModelMeta(type):

    def __init__(cls, name, bases, attrs):
        super().__init__(name, bases, attrs)
        setattr(cls, 'objects', Manager(cls))

class Model(metaclass=ModelMeta):
    pass

class Node(Model):
    pass

Node.objects.all()