websocketd --port=8080 ./websocket_test.py //管道
websocketd --port=8080 --dir=/tmp --devconsole // https://gist.github.com/wwj718/028e1aba3ce2c003f2900f8ab979503c
ws_test.html
https://github.com/Lawouach/WebSocket-for-Python https://ws4py.readthedocs.io/en/latest/sources/clienttutorial/
websocketd/python :https://github.com/joewalnes/websocketd/blob/master/examples/python
py_ws_client.py