WebSocketConnectionClosedException error Python 3.5

0
votes

I've received the following error in my script on Websocket whilst trying to stream.

raise WebSocketConnectionClosedException("socket is already closed.") websocket._exceptions.WebSocketConnectionClosedException: socket is already closed.

I tried to code an exception to catch it and restart the websocket:

    except WebSocketConnectionClosedException as e:
        ws = opensocket()
        websocket_open = True
        data = "WebSocketConnectionClosedException trying to restart stream"
        send_email(data,recipient)
        print(e)

However, when I run it now, I get the following error:

Traceback (most recent call last): File "C:\Program Files\JetBrains\PyCharm Community Edition 2017.3.3\helpers\pydev\pydevd.py", line 1668, in main() File "C:\Program Files\JetBrains\PyCharm Community Edition 2017.3.3\helpers\pydev\pydevd.py", line 1662, in main globals = debugger.run(setup['file'], None, None, is_module) File "C:\Program Files\JetBrains\PyCharm Community Edition 2017.3.3\helpers\pydev\pydevd.py", line 1072, in run pydev_imports.execfile(file, globals, locals) # execute the script File "C:\Program Files\JetBrains\PyCharm Community Edition 2017.3.3\helpers\pydev_pydev_imps_pydev_execfile.py", line 18, in execfile exec(compile(contents+"\n", file, 'exec'), glob, loc) File "C:/Users/Bev/Documents/python_work/bot/l_stream2_3.py", line 1117, in except WebSocketConnectionClosedException as e: NameError: name 'WebSocketConnectionClosedException' is not defined

Question 1 : How do i define the error in order for the exception to catch the error

Question 2: Are there perhaps a better way to restart the socket if the host closes the connection, or if the stream dies?

2
pythonwebsocket

2 Answers

1
votes

So I figured it out.

import websocket

#<Code>

except websocket.WebSocketConnectionClosedException as e:
    print('This caught the exception')
0
votes

Think the proper way will be

from websocket import create_connection
from websocket._exceptions import WebSocketConnectionClosedException

ws=create_connection("wss://url")
while True:
    try:
        ws.recv()
    except WebSocketConnectionClosedException as e:
        #Triggered when connection is closed by server
        #Handle exception

Some common ways to handle will be to place the above in a function and recall that function when the exception is triggered. However it is better to follow the example here https://github.com/websocket-client/websocket-client if the connection is going to be long lived