mount_different_version_api.py

# -*- coding: utf-8 -*-

class Resource(object):
    pass

class API(object):
    pass

class V1(API):
    version = 1

class V2(API):
    version = 2


versions = {}

def mount(clz):
    versions[clz.version] = clz

class ArkAPI(API):
    mount(V1)
    mount(V2)

ArkAPI()
print versions