python: salicru ups telegram alert

crontab

*/5 * * * * /usr/bin/python3 /home/zital/scripts/python/ups.py >> /dev/null 2>> /home/zital/scripts/python/ups.log

nut.conf

# /etc/nut/nut.conf
MODE=standalone

ups.conf

# /etc/nut/ups.conf
maxretry = 3
[salicru]
    driver = blazer_usb
    port = auto
    desc = "Salicru UPS"

ups.py

import sys
import subprocess
import re
import requests

UPS_NAME = "salicru"

def readFile(path):
    with open(path, 'r') as file:
        content = file.read()
    return content

def tele(msg):
    token   = readFile(sys.path[0]+"/ups/telegram.credentials").strip()
    channel = readFile(sys.path[0]+"/ups/telegram.channel").strip()
    requests.get("https://api.telegram.org/bot"+token+"/sendMessage", params={
      "chat_id":    channel,
      "text":       msg
    })

def get_ups_status(ups_name):
    try:
        output = subprocess.check_output(
        ["upsc", ups_name],
        stderr=subprocess.DEVNULL,
        universal_newlines=True)

        return dict(line.split(": ", 1) for line in output.strip().split("\n") if ": " in line)

    except subprocess.CalledProcessError as e:
        print("Error getting UPS status:", e)
        return {}

def log_status(status):
    ups_status = status.get("ups.status", "UNKNOWN")
    ups_info   = (
        f"SALICRU UPS:\n\n"
        f"OL = On Line (normal, power is good)\n"
        f"OB = On Battery (power outage — likely beeping)\n"
        f"LB = Low Battery\n"
        f"RB = Replace Battery\n\n"
        f"Status: {ups_status}\n"
        f"Charge: {status.get('battery.charge', '?')}%\n"
        f"Load: {status.get('ups.load', '?')}%\n"
    )

    print(ups_info.strip())
    if "OL" not in ups_status:
        tele(ups_info)
"""
OL = On Line (normal, power is good)
OB = On Battery (power outage — likely beeping)
LB = Low Battery
RB = Replace Battery
"""
if __name__ == "__main__":
    status = get_ups_status(UPS_NAME)
    if status:
        log_status(status)

upsd.users

# /etc/nut/upsd.users
[monuser]
    password = secret
    upsmon master

su
upsdrvctl start
systemctl restart nut-server
systemctl restart nut-client
exit
upsc salicru