Plogon Python for Alpaca

 # Be sure to pip install websocket-client

# Details: https://pypi.org/project/websocket-client/

import websocket

import json

def on_message(ws, message):

    with open('data.txt', 'a') as outfile:

        json.dump(message, outfile)

    print(message)

    

def on_error(ws, error):

    print(error)

def on_close(ws):

    #print("### closed ###")

    f.close

def on_open(ws):

    ws.send('{"action":"auth","params":"XXXXX"}')

    ws.send('{"action":"subscribe","params":"A.AAPL"}')

f = open("demofile.txt", "a")

if __name__ == "__main__":

    # websocket.enableTrace(True)

    ws = websocket.WebSocketApp("wss://socket.polygon.io/stocks",

                              on_message = on_message,

                              on_error = on_error,

                              on_close = on_close)

    ws.on_open = on_open

    

    ws.run_forever()