meta.py

gistfile1.py

class MetaProvinsi(type):
    def __new__(cls, name, bases, attrs):
        return type.__new__(cls, name, bases, attrs)

class Provinsi(object):
    __metaclass__ = MetaProvinsi

class MetaKabupaten(type):
    def __new__(cls, name, bases, attrs):
        attrs['nama_kelas'] = name
        return type.__new__(cls, name, bases, attrs)

class Kabupaten(object):
    __metaclass__ = MetaKabupaten


# p = Provinsi()
# print p.nama_kelas

k = Kabupaten()
print k.nama_kelas