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websocket:error from callback <function on_message at 0x7f25311b3170>: name 'json_data' is not defined

Allie Ubisse answered on October 29, 2022 Popularity 1/10 Helpfulness 1/10

answer websocket:error from callback <function on_message at 0x7f25311b3170>: name 'json_data' is not defined

websocket:error from callback <function on_message at 0x7f25311b3170>: name 'json_data' is not defined

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import websocket, ssl, json
import _thread as thread
websocket._logging._logger.level = -99

bestbid = {}
bestask = {}

top_of_book = 0
def on_message(self, message):
    global bestbid, bestask
    bestbid = json.loads(message)
    bestask = json.loads(message)
    print("Message received!")
    print("{}    {}".format(bestbid["price"], bestask ["quantity"]))

                   

def on_error(self, error):
    print(error)

def on_close(self):
    print("Connection closed!")

def on_open(self):
    print("Connection opened!")
    def run(*args):
        ws.send(logon_msg)
    thread.start_new_thread(run, ())
    
if __name__ == "__main__":
    logon_msg = '{"type": "subscribe","subscriptions":[{"name":"l2","symbols":["BTCUSD"]}]}'
    websocket.enableTrace(True)
    ws = websocket.WebSocketApp("wss://api.gemini.com/v2/marketdata/",
                                on_message = on_message,
                                on_error = on_error,
                                on_close = on_close,
                                on_open = on_open)
    ws.on_open = on_open
    ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})

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Source: stackoverflow.com

Tags: callback defined whatever

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