enummeta.py

from collections import OrderedDict


class enummeta(type):
    def __init__(cls, name, bases, classdict):
        super(enummeta, cls).__init__(name, bases, classdict)
        cls.__values__ = [v for v in classdict.values() if v not in (__name__, enummeta)]

    def __iter__(cls):
        return iter(cls.__values__)


class TestEnum(object):
    __metaclass__ = enummeta

    foo = 'foo'
    bar = 'bar'
    baz = 'baz'
    qux = 'qux'


print list(TestEnum)