class_NAME_TITLE_test.py

class P1():
    @property
    def name(self):
        return getattr(self, 'NAME', self.__class__.__name__)

    @property
    def title(self):
        return getattr(self, 'TITLE', self.name)


class P2Meta(type):
    @property
    def name(cls):
        return getattr(cls, 'NAME', cls.__name__)

    @property
    def title(cls):
        return getattr(cls, 'TITLE', cls.name)


class P2(metaclass=P2Meta):
    pass


class PP1(P1):
    NAME = 'PP1name'
    TITLE = 'PP1title'


class PP2(P2):
    NAME = 'PP2name'
    TITLE = 'PP2title'


class PP1_notitle(P1):
    NAME = 'PP1name_notitle'


class PP2_notitle(P2):
    NAME = 'PP2name_notitle'


class PPP1_notitle_noname(P1):
    pass

class PPP2_notitle_noname(P2):
    pass


for p in (PP1, PP2, PP1_notitle, PP2_notitle, PPP1_notitle_noname,
          PPP2_notitle_noname):
    print("%r p.title=%r" % (p, p.title))