WebSocket example subscribe executions

executions.py

from collections import deque
executions = deque(maxlen=100)

@sio.event
def message(data):
    sma = 5 # default number of executions for mean
    
    transactions = data['message']['data']['transactions']
    # print('transaction type: {}'.format(type(transactions)))
    # print(json.dumps(transactions, indent=2))

    for num, transaction in enumerate(transactions):
        print('transaction {0}: {1}'.format(num, transaction))
        executions.appendleft(int(transaction['price']))

    execution_num = len(executions)
    if sma < execution_num:
        l = list(executions)[0:sma]
        print('executions average in queue: {}'.format(int(round(sum(l)/len(l)))))
    elif sma > execution_num:
        sma = execution_num
        l = list(executions)[0:sma]
        print('executions average in queue: {}'.format(int(round(sum(l)/len(l)))))
    else:
        print('executions are none')