#!/usr/bin/env python

import dbus
import time

class Victron(object):
    def __init__(self, obj):
        self.obj = obj
        self.bus = dbus.SystemBus()

    def get_data(self):
        ACIn_L1_volts = self.bus.get_object(self.obj, '/Ac/ActiveIn/L1/V').GetValue().real
        ACIn_L1_freq = self.bus.get_object(self.obj, '/Ac/ActiveIn/L1/F').GetValue().real
        ACIn_L1_current = self.bus.get_object(self.obj, '/Ac/ActiveIn/L1/I').GetValue().real
        ACIn_active = bool(self.bus.get_object(self.obj, '/Ac/ActiveIn/Connected').GetValue())
        ACOut_L1_volts = self.bus.get_object(self.obj, '/Ac/Out/L1/V').GetValue().real
        ACOut_L1_freq = self.bus.get_object(self.obj, '/Ac/Out/L1/F').GetValue().real
        ACOut_L1_current = self.bus.get_object(self.obj, '/Ac/Out/L1/I').GetValue().real
        Battery_Voltage = self.bus.get_object(self.obj, '/Dc/0/Voltage').GetValue().real
        Battery_Current = self.bus.get_object(self.obj, '/Dc/0/Current').GetValue().real
        return ACIn_L1_volts, ACIn_L1_freq, ACIn_L1_current, ACIn_active, ACOut_L1_volts, ACOut_L1_freq, ACOut_L1_current, Battery_Voltage, Battery_Current

def main():
    v = Victron('com.victronenergy.vebus.ttyUSB0')
    while True:
        try:
            v.get_data()
        except (AttributeError, dbus.exceptions.DBusException) as e:
            print('Error getting data, sleeping 30 seconds:', str(e))
            time.sleep(25)
        time.sleep(5)

if __name__ == '__main__':
    main()