simple KVS cache using dictionary. Adaptable for redis

kvs_cache.py

from uuid import uuid4


class MyRedisAPI(object):
    def __init__(self):
        self.kvstore = {}

    def set_identifier(self, class_):
        self.identifier = class_.__name__ + str(uuid4())

    def cache_value(self, value):
        def cache_value_wrapper(f):
            def wrapper(*args, **kwargs):
                key = str(self.identifier) + str(value) + '_'.join([str(s) for s in args])
                if key not in self.kvstore:
                    v = f(*args, **kwargs)
                    self.kvstore[key] = v
                    print('funccall', key, self.kvstore[key])
                    return v
                else:
                    print('kvstore', key, self.kvstore[key])
                    return self.kvstore[key]

            return wrapper
        return cache_value_wrapper


class C(object):
    redis_api = MyRedisAPI()

    def __init__(self):
        self.redis_api.set_identifier(self.__class__)

    @redis_api.cache_value('v')
    def f(self, s):
        return 'alskdalkjr' + s


if __name__ == '__main__':
    c = C()
    print(c.f('toto'))
    print(c.f('toto'))
    print(c.f('tasdlk'))
    print(c.f('totsadlki'))