Support Message.producer_name() (#275)

Author: BewareMyPower

pulsar/__init__.py

@@ -244,6 +244,12 @@ def schema_version(self):
         """
         return self._message.schema_version()
 
+    def producer_name(self) -> str:
+        """
+        Get the producer name which produced this message
+        """
+        return self._message.producer_name()
+
     @staticmethod
     def _wrap(_message):
         self = Message()

src/message.cc

@@ -105,7 +105,8 @@ void export_message(py::module_& m) {
         .def("topic_name", &Message::getTopicName, return_value_policy::copy)
         .def("redelivery_count", &Message::getRedeliveryCount)
         .def("int_schema_version", &Message::getLongSchemaVersion)
-        .def("schema_version", &Message::getSchemaVersion, return_value_policy::copy);
+        .def("schema_version", &Message::getSchemaVersion, return_value_policy::copy)
+        .def("producer_name", &Message::getProducerName, return_value_policy::copy);
 
     MessageBatch& (MessageBatch::*MessageBatchParseFromString)(const std::string& payload,
                                                                uint32_t batchSize) = &MessageBatch::parseFrom;

tests/pulsar_test.py

@@ -238,12 +238,14 @@ def test_producer_is_connected(self):
     def test_producer_consumer(self):
         client = Client(self.serviceUrl)
         consumer = client.subscribe("my-python-topic-producer-consumer", "my-sub", consumer_type=ConsumerType.Shared)
-        producer = client.create_producer("my-python-topic-producer-consumer")
+        producer = client.create_producer("my-python-topic-producer-consumer",
+                                          producer_name="my-producer")
         producer.send(b"hello")
 
         msg = consumer.receive(TM)
         self.assertTrue(msg)
         self.assertEqual(msg.data(), b"hello")
+        self.assertEqual(msg.producer_name(), "my-producer")
 
         with self.assertRaises(pulsar.Timeout):
             consumer.receive(100)