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Updating miniconf utility after testing

This commit is contained in:
Ryan Summers 2021-05-05 14:30:32 +02:00
parent a3ff8aae75
commit 919f68c934
1 changed files with 10 additions and 11 deletions
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21
miniconf.py
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@ -14,8 +14,6 @@ import uuid
from gmqtt import Client as MqttClient
logger = logging.getLogger(__name__)
class Miniconf:
"""An asynchronous API for controlling Miniconf devices using MQTT."""
@ -34,13 +32,14 @@ class Miniconf:
client: A connected MQTT5 client.
prefix: The MQTT toptic prefix of the device to control.
"""
self.uuid = uuid.uuid1(prefix)
self.uuid = uuid.uuid1()
self.request_id = 0
self.client = client
self.prefix = prefix
self.inflight = {}
self.client.on_message = self._handle_response
self.client.subscribe(f'{prefix}/response/#')
self.logger = logging.getLogger(__name__)
def _handle_response(self, _client, _topic, payload, _qos, properties):
"""Callback function for when messages are received over MQTT.
@ -54,23 +53,23 @@ class Miniconf:
"""
# Extract corrleation data from the properties
try:
correlation_data = json.loads(properties['correlation_data'])
correlation_data = json.loads(properties['correlation_data'][0].decode('ascii'))
except (json.decoder.JSONDecodeError, KeyError):
logger.warning('Ignoring message with invalid correlation data')
self.logger.warning('Ignoring message with invalid correlation data')
return
# Validate the correlation data.
try:
if correlation_data['id'] != self.uuid.hex:
logger.info('Ignoring correlation data for different ID')
self.logger.info('Ignoring correlation data for different ID')
return
pid = correlation_data['pid']
except KeyError:
logger.warning('Ignoring unknown correlation data: %s', correlation_data)
self.logger.warning('Ignoring unknown correlation data: %s', correlation_data)
return
if pid not in self.inflight:
logger.warning('Unexpected pid: %s', pid)
self.logger.warning('Unexpected pid: %s', pid)
return
try:
@ -78,7 +77,7 @@ class Miniconf:
self.inflight[pid].set_result((response['code'], response['msg']))
del self.inflight[pid]
except json.decoder.JSONDecodeError:
logger.warning('Invalid response format: %s', payload)
self.logger.warning('Invalid response format: %s', payload)
async def command(self, path, value):
@ -103,10 +102,10 @@ class Miniconf:
correlation_data = json.dumps({
'id': self.uuid.hex,
'pid': pid,
})
}).encode('ascii')
value = json.dumps(value)
logger.info('Sending %s to "%s"', value, setting_topic)
self.logger.info('Sending %s to "%s"', value, setting_topic)
fut = asyncio.get_running_loop().create_future()
self.inflight[pid] = fut