logger.py

import speedtest
from bitmath import *
import json
from time import sleep
from datetime import datetime

FILENAME = 'log.json'
DATA = {}

while 1:
    try:
        with open(FILENAME) as json_file:
            DATA = json.load(json_file)
    except Exception:
        pass

    try:
        print("get new data")
        s = speedtest.Speedtest()
        s.get_servers([])
        s.get_best_server()
        s.download()
        s.upload()
        s.results.share()

        results_dict = s.results.dict()
        download = results_dict['download']
        upload = results_dict['upload']
        download_Mbs = Mb(bits=download)
        upload_Mbs = Mb(bits=upload)
        print(download_Mbs)
        print(upload_Mbs)

        results_dict['download_Mbs'] = str(download_Mbs)
        results_dict['upload_Mbs'] = str(upload_Mbs)

        DATA[results_dict['timestamp']] = results_dict
        
        with open(FILENAME, 'w') as outfile:
            json.dump(DATA, outfile, indent=4, sort_keys=True)
        
        print("saved to file")
        sleep(60 * 10)

    except Exception:
        timestamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        DATA[timestamp] = "No CONNECTION" 
        print("FAILED !!!!")
        with open(FILENAME, 'w') as outfile:
            json.dump(DATA, outfile, indent=4, sort_keys=True)
        sleep(5)
        pass