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annotate sensor_bridge.py @ 1:087b57dd3587 default tip
if dimcurve request times out, abort so we get its new address
| author | drewp@bigasterisk.com |
|---|---|
| date | Sat, 14 Dec 2024 21:39:44 -0800 |
| parents | 62cca1da7955 |
| children |
| rev | line source |
|---|---|
| 0 | 1 import logging |
| 2 import os | |
| 3 from typing import cast | |
| 4 | |
| 5 import aiomqtt | |
| 6 import httpx | |
| 7 from rdferry import StarletteServer | |
| 8 | |
| 9 logging.basicConfig(level=logging.INFO) | |
| 10 log = logging.getLogger() | |
| 11 | |
| 12 DIMCURVE_SERVICE_HOST = os.environ['DIMCURVE_SERVICE_HOST'] | |
| 13 | |
| 14 httpClient = httpx.AsyncClient() | |
| 15 | |
| 16 | |
| 17 def faderValueUrl(faderName: str): | |
| 18 return f'http://{DIMCURVE_SERVICE_HOST}/dimcurve/api/faders/{faderName}/value' | |
| 19 | |
| 20 | |
| 21 async def sendValue(faderName: str, value: float): | |
|
1
087b57dd3587
if dimcurve request times out, abort so we get its new address
drewp@bigasterisk.com
parents:
0
diff
changeset
|
22 try: |
|
087b57dd3587
if dimcurve request times out, abort so we get its new address
drewp@bigasterisk.com
parents:
0
diff
changeset
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23 await httpClient.put(faderValueUrl(faderName), content=str(value).encode('ascii'), timeout=2) |
|
087b57dd3587
if dimcurve request times out, abort so we get its new address
drewp@bigasterisk.com
parents:
0
diff
changeset
|
24 except Exception: |
|
087b57dd3587
if dimcurve request times out, abort so we get its new address
drewp@bigasterisk.com
parents:
0
diff
changeset
|
25 log.warning("put failed - restarting service", exc_info=True) |
|
087b57dd3587
if dimcurve request times out, abort so we get its new address
drewp@bigasterisk.com
parents:
0
diff
changeset
|
26 os.abort() |
| 0 | 27 |
| 28 | |
| 29 async def onMessage(message): | |
| 30 log.info(f'{message.topic}: {message.payload}') | |
| 31 payloadMap = { | |
| 32 b'1_single': 1, | |
| 33 b'2_single': 0.50, | |
| 34 b'3_single': 0.25, | |
| 35 b'4_single': 0, | |
| 36 } | |
| 37 value = payloadMap.get(cast(bytes, message.payload)) | |
| 38 if value is None: | |
| 39 raise ValueError(str(message.payload)) | |
| 40 await sendValue('tr', value) | |
| 41 | |
| 42 | |
| 43 async def watchMqtt(): | |
| 44 client = aiomqtt.Client('mqtt2.bigasterisk.com') | |
| 45 async with client: | |
| 46 await client.subscribe('zigbee/tr-4button-1/action') | |
| 47 await client.subscribe('zigbee/tr-4button-2/action') | |
| 48 async for message in client.messages: | |
| 49 try: | |
| 50 await onMessage(message) | |
| 51 except Exception: | |
| 52 log.warning("onMessage failed", exc_info=True) | |
| 53 | |
| 54 | |
| 55 async def watchMqttReconnect(): | |
| 56 while True: | |
| 57 try: | |
| 58 await watchMqtt() | |
| 59 except Exception: | |
| 60 log.warning("watchMqtt restarting", exc_info=True) | |
| 61 | |
| 62 | |
| 63 def main(): | |
| 64 | |
| 65 server = StarletteServer() | |
| 66 server.serve(startup_tasks=[watchMqttReconnect()]) | |
| 67 | |
| 68 return app | |
| 69 | |
| 70 | |
| 71 app = main() |