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Subscribe to multiple topics using a single request #7

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Subscribe to multiple topics using a single request #7

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11 changes: 6 additions & 5 deletions MQTT.py
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Original file line number Diff line number Diff line change
Expand Up @@ -391,10 +391,10 @@ def pubcomp(self, messageId):
self.transport.write(str(header))
self.transport.write(str(varHeader))

def subscribe(self, topic, requestedQoS=0, messageId=None):
def subscribe(self, topics, messageId=None):
"""
Only supports QoS = 0 subscribes
Only supports one subscription per message
Subscribe to the given topics. Topics is expected to be a list
of (topic, qos) tuples.
"""
header = bytearray()
varHeader = bytearray()
Expand All @@ -408,8 +408,9 @@ def subscribe(self, topic, requestedQoS=0, messageId=None):
else:
varHeader.extend(self._encodeValue(messageId))

payload.extend(self._encodeString(topic))
payload.append(requestedQoS)
for topic, qos in topics:
payload.extend(self._encodeString(topic))
payload.append(qos)

header.extend(self._encodeLength(len(varHeader) + len(payload)))

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