downloader.py

import subprocess
import time
import os
import sys
import signal


data = ""

def run_command(command):

    command = command.rstrip()
    try:
        output = subprocess.check_output(command, stderr=subprocess.STDOUT, shell=True)
    except Exception as e:
        output = "Failed to execute command " + str(e)
    return output


def check_status():
    global data
    COMMAND = "curl http://192.168.43.38:9000/status.txt -o status.txt"
    run_command(COMMAND)
    try:
        file_object = open("status.txt", "r")
        data = file_object.read()
        file_object.close()
        COMMAND = "rm status.txt"
        run_command(COMMAND)
        data = data.split("\n")
        if(data[0] == "1"):
            fetch_directory_list()  
            download_fetched_files()
    except:
        pass

      
      
while True:
    check_status()
    time.sleep(20)