import socket
from rest_framework.exceptions import ParseError

def get_tyy_data(*args):
    sc = socket.socket()
    try:
        sc.connect((args[0], int(args[1])))
    except Exception:
        raise ParseError("无法连接到采集器")
    sc.send(b"R")
    resp = sc.recv(1024)
    if len(resp) < 8:
        raise ParseError("设备未启动")
    json_data = resp[5:-4]
    json_str = json_data.decode('utf-8')
    return "str", json_str

if __name__ == '__main__':
    print(get_tyy_data())