Google App Engine useful decorators

def cached(name, timeout=60):
    def wrapper(method):
        @functools.wraps(method)
        def wrapper(self, *args, **kwargs):
            data = memcache.get(name)
            if not data:
                logging.info("CACHE MISS for "+name)
                data = method(self, *args, **kwargs)
                memcache.set(name, data, timeout)
            return data
        return wrapper
    return wrapper

def set_content_type(content_type):
    def wrapper(method):
        @functools.wraps(method)
        def wrapper(self, *args, **kwargs):
            self.response.headers["Content-Type"] = content_type
            return method(self, *args, **kwargs)
        return wrapper
    return wrapper

def write_response(method):
    @functools.wraps(method)
    def wrapper(self, *args, **kwargs):
        self.response.out.write(method(self, *args, **kwargs))
    return wrapper