def delivery_success_callback(msg: Message):
pprint({
'topic': msg.topic(),
'partition': msg.partition(),
'timestamp': msg.timestamp(),
'key': msg.key(),
'value': msg.value(),
})
def update_callback(self, err: Optional[cimpl.KafkaError],
msg: cimpl.Message):
assert err is None, f"Received KafkaError {err}."
self.binary_value = msg.value()
self.binary_key = msg.key()
self.partition = msg.partition()
self.offset = msg.offset()
self.timestamp = msg.timestamp()[1]
def decode_message(message: Message) -> DecodedMessage:
if message.key() is None:
decoded_key = None
else:
decoded_key = message.key().decode("utf-8")
decoded_value = message.value().decode("utf-8")
headers = []
if message.headers():
for header_key, header_value in message.headers():
headers.append(MessageHeader(key=header_key, value=header_value.decode("utf-8") if header_value else None))
return DecodedMessage(
key=decoded_key,
value=decoded_value,
partition=message.partition(),
offset=message.offset(),
timestamp=str(message.timestamp()),
headers=headers,
)