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#!/usr/bin/env python3
import time
import datetime
import json
import inverterd
from home.config import config
from home.mqtt import MqttBase, poll_tick
from home.mqtt.payload.inverter import Status, Generation
class MqttClient(MqttBase):
def __init__(self):
super().__init__()
self._home_id = config['mqtt']['home_id']
self._inverter = inverterd.Client()
self._inverter.connect()
self._inverter.format(inverterd.Format.SIMPLE_JSON)
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:
self._logger.error(f'inverter error: {str(e)}')
# TODO send to server
continue
data = json.loads(raw)['data']
status = Status(time=round(now), **data) # FIXME this will crash with 99% probability
self._client.publish(f'hk/{self._home_id}/status',
payload=status.pack(),
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:
self._logger.error(f'inverter error: {str(e)}')
# TODO send to server
continue
data = json.loads(raw)['data']
gen = Generation(time=round(now), wh=data['wh'])
self._client.publish(f'hk/{self._home_id}/gen',
payload=gen.pack(),
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()
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