always_online.py

import os
import time
from BitSrunLogin.LoginManager import LoginManager

def is_connect_internet(testip):
    status = os.system(u"ping {} -c 8".format(testip))
    return status == 0

def always_login(username, password, testip, checkinterval):
    lm = LoginManager()
    login = lambda : lm.login(username=username, password=password)
    timestamp = lambda : print(time.asctime(time.localtime(time.time())))

    timestamp()
    try:
        login()
    except Exception:
        pass
    while 1:
        time.sleep(checkinterval) 
        if not is_connect_internet(testip):
            timestamp()
            try:
                login()
            except Exception:
                pass
        
if __name__ == "__main__":
    username = "Your srun account name"
    password = "Your password"
    testip = "114.114.114.114" # IP to test whether the Internet is connected
    checkinterval = 5 * 60

    always_login(username, password, testip, checkinterval)