import serial
from datetime import datetime
from time import sleep
import socketio

sio = socketio.Client()
now = datetime.now()

ser = serial.Serial('/dev/ttyACM0', 9600, timeout=1)
ser.flush()


@sio.event
def connect():
    print('connection established')


flag = 0
while True:
    if flag != 1:
        sio.connect('http://localhost:5000/')
        flag += 1
    if ser.in_waiting > 0:
        data = ser.readline().decode('utf-8').rstrip()
        print(data)
        sio.emit('data', data)
        print(now.strftime("%Y-%m-%d %H:%M"))