How to use the plugwise.protocol.DateTime function in plugwise

def __init__(self, seqnr = None):
        PlugwiseResponse.__init__(self, seqnr)
        self.datetime = DateTime()
        self.last_logaddr = LogAddr(0, length=8)
        self.relay_state = Int(0, length=2)
        self.hz = Int(0, length=2)
        self.hw_ver = String(None, length=12)
        self.fw_ver = UnixTimestamp(0)
        self.type = Int(0, length=2)
        self.params += [
            self.datetime,
            self.last_logaddr, self.relay_state, 
            self.hz, self.hw_ver, self.fw_ver, self.type
        ]

def __init__(self, seqnr = None):
        PlugwiseResponse.__init__(self, seqnr)
        self.logdate1 = DateTime()
        self.pulses1 = SInt(0, 8)
        self.logdate2 = DateTime()
        self.pulses2 = SInt(0, 8)
        self.logdate3 = DateTime()
        self.pulses3 = SInt(0, 8)
        self.logdate4 = DateTime()
        self.pulses4 = SInt(0, 8)
        self.logaddr = LogAddr(0, length=8)
        self.params += [self.logdate1, self.pulses1, self.logdate2, self.pulses2,
            self.logdate3, self.pulses3, self.logdate4, self.pulses4, self.logaddr
        ]

def __init__(self, seqnr = None):
        PlugwiseResponse.__init__(self, seqnr)
        self.logdate1 = DateTime()
        self.pulses1 = SInt(0, 8)
        self.logdate2 = DateTime()
        self.pulses2 = SInt(0, 8)
        self.logdate3 = DateTime()
        self.pulses3 = SInt(0, 8)
        self.logdate4 = DateTime()
        self.pulses4 = SInt(0, 8)
        self.logaddr = LogAddr(0, length=8)
        self.params += [self.logdate1, self.pulses1, self.logdate2, self.pulses2,
            self.logdate3, self.pulses3, self.logdate4, self.pulses4, self.logaddr
        ]

def __init__(self, seqnr = None):
        PlugwiseResponse.__init__(self, seqnr)
        self.logdate1 = DateTime()
        self.pulses1 = SInt(0, 8)
        self.logdate2 = DateTime()
        self.pulses2 = SInt(0, 8)
        self.logdate3 = DateTime()
        self.pulses3 = SInt(0, 8)
        self.logdate4 = DateTime()
        self.pulses4 = SInt(0, 8)
        self.logaddr = LogAddr(0, length=8)
        self.params += [self.logdate1, self.pulses1, self.logdate2, self.pulses2,
            self.logdate3, self.pulses3, self.logdate4, self.pulses4, self.logaddr
        ]

def __init__(self, seqnr = None):
        PlugwiseResponse.__init__(self, seqnr)
        self.logdate1 = DateTime()
        self.pulses1 = SInt(0, 8)
        self.logdate2 = DateTime()
        self.pulses2 = SInt(0, 8)
        self.logdate3 = DateTime()
        self.pulses3 = SInt(0, 8)
        self.logdate4 = DateTime()
        self.pulses4 = SInt(0, 8)
        self.logaddr = LogAddr(0, length=8)
        self.params += [self.logdate1, self.pulses1, self.logdate2, self.pulses2,
            self.logdate3, self.pulses3, self.logdate4, self.pulses4, self.logaddr
        ]

def __init__(self, mac, dt):
        PlugwiseRequest.__init__(self, mac)
        passed_days = dt.day - 1
        month_minutes = (passed_days*24*60)+(dt.hour*60)+dt.minute
        d = DateTime(dt.year, dt.month, month_minutes)
        t = Time(dt.hour, dt.minute, dt.second)
        day_of_week = Int(dt.weekday() + 1, 2)
        # FIXME: use LogAddr instead
        log_buf_addr = String('FFFFFFFF', 8)
        self.args += [d, log_buf_addr, t, day_of_week]