server.py 文件源码

def cached(key='view{path}'):
    """ Sets up a function to have cached results """
    def decorator(func):
        """ Gets a cached value or calculates one """
        @wraps(func)
        def decorated_function(*args, **kwargs):
            ckey = cache_key(key, *args, **kwargs)
            value = cache.get(ckey)
            if value is not None:
                return value
            print("DB HIT: \"{}\"".format(ckey))
            value = func(*args, **kwargs)
            cache.set(ckey, value)
            return value
        return decorated_function
    return decorator