Fronius5000 Offline Time Update

update_inverter_time.py

#!/usr/bin/env python3

import os
import requests
import time


USERNAME = os.getenv('INTERTER_USER')
PASSWORD = os.getenv('INVERTER_PASS')
INVERTER_IP = os.getenv('INVERTER_IP')
URL = f'http://{INVERTER_IP}/config/date/?method=save'


class FroniusDigest(requests.auth.HTTPDigestAuth):
     def handle_401(self, r, **kwargs):
         r.headers['WWW-Authenticate'] = r.headers.get('X-WWW-Authenticate')
         r.headers['algorithm'] = 'MD5'
         super().handle_401(r, **kwargs)
         

count = 0
while count < 4:
    success = False
    try:
        # It always returns an unauthorized message, but if it connects, it works...
        requests.post(URL, auth=FroniusDigest(USERNAME, PASSWORD), json={"date":{"time": int(time.time()),"timezone":"Australia/Perth","timesync":False}})
        success = True
    except requests.exceptions.ConnectionError:
        pass
    if success:
        break
    time.sleep(1)
    count += 1
else:
    print('Failed to update invertor time')