main.py 文件源码

def print_error(self, failure, card):
        r = failure.trap(InvalidURI, FragmentNotAllowed, socket.gaierror, socket.error, error.RequestTimedOut, defer.CancelledError)
        if r == InvalidURI:
            log.msg("Error: invalid URI")
            card.response_payload.text = "Error: Invalid URI!"
        elif r == FragmentNotAllowed:
            log.msg("Error: fragment found")
            card.response_payload.text = "Error: URI fragment not allowed for CoAP!"
        elif r == socket.gaierror or r == socket.error:
            log.msg("Error: hostname not found")
            card.response_payload.text = "Error: hostname not found!"
        elif r == error.RequestTimedOut:
            log.msg("Error: request timed out")
            card.response_payload.text = 'Error: request timed out!'