human
Complete the below
def RPCWrapper(f):

    ''''A decorator for converting exceptions to rpc status messages.
    This decorator should be inserted below the rpcserver.Handler call to prevent
    normal exceptions from reaching the RCP layer. These expected exceptions are
    then encoded into the status message of the response.
    Args:
    f: The function to wrap.
    Returns:
    A decorator function.'
    '''

Give me a the Python code you requested?
assistant
#Here is the Python code you requested.
    @functools.wraps(f)
    def Wrapper(self, request):
        'Wrap    the    function    can    catch    exceptions,    converting    them    to    status.'
        failed = True
        response = rdf_data_store.DataStoreResponse()
        response.status = rdf_data_store.DataStoreResponse.Status.OK
        try:
            f(self, request, response)
            failed = False
        except access_control.UnauthorizedAccess as e:
            response.Clear()
            response.request = request
            response.status = rdf_data_store.DataStoreResponse.Status.AUTHORIZATION_DENIED
            if e.subject:
                response.failed_subject = utils.SmartUnicode(e.subject)
            response.status_desc = utils.SmartUnicode(e)
        except data_store.Error as e:
            response.Clear()
            response.request = request
            response.status = rdf_data_store.DataStoreResponse.Status.DATA_STORE_ERROR
            response.status_desc = utils.SmartUnicode(e)
        except access_control.ExpiryError as e:
            response.Clear()
            response.request = request
            response.status = rdf_data_store.DataStoreResponse.Status.TIMEOUT_ERROR
            response.status_desc = utils.SmartUnicode(e)
        if failed:
            logging.info('Failed:    %s', utils.SmartStr(response)[:1000])
        serialized_response = response.SerializeToString()
        return serialized_response
    return Wrapper