1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#!/usr/bin/env python3
import paho.mqtt.client as mqtt
import logging
import time
import datetime
import json
import inverterd
from home.config import config
from home.mqtt import MQTTBase, poll_tick
from home.mqtt.message import Status, Generation
logger = logging.getLogger(__name__)
class MQTTClient(MQTTBase):
def __init__(self):
super().__init__()
self.inverter = inverterd.Client()
self.inverter.connect()
self.inverter.format(inverterd.Format.SIMPLE_JSON)
def on_connect(self, client: mqtt.Client, userdata, flags, rc):
super().on_connect(client, userdata, flags, rc)
def poll_inverter(self):
freq = int(config['mqtt']['inverter']['poll_freq'])
gen_freq = int(config['mqtt']['inverter']['generation_poll_freq'])
g = poll_tick(freq)
gen_prev = 0
while True:
time.sleep(next(g))
# read status
now = time.time()
try:
raw = self.inverter.exec('get-status')
except inverterd.InverterError as e:
logger.error(f'inverter error: {str(e)}')
# TODO send to server
continue
data = json.loads(raw)['data']
packer = Status()
self.client.publish(f'home/{self.home_id}/status',
payload=packer.pack(round(now), data),
qos=1)
# read today's generation stat
now = time.time()
if gen_prev == 0 or now - gen_prev >= gen_freq:
gen_prev = now
today = datetime.date.today()
try:
raw = self.inverter.exec('get-day-generated', (today.year, today.month, today.day))
except inverterd.InverterError as e:
logger.error(f'inverter error: {str(e)}')
# TODO send to server
continue
# print('raw:', raw, type(raw))
data = json.loads(raw)['data']
packer = Generation()
self.client.publish(f'home/{self.home_id}/gen',
payload=packer.pack(round(now), data['wh']),
qos=1)
if __name__ == '__main__':
config.load('inverter_mqtt_sender')
client = MQTTClient()
client.configure_tls()
client.connect_and_loop(loop_forever=False)
client.poll_inverter()
|
