Adds add_callback/add_errback example to docs (#1441)

dpkp · Mar 29, 2018 · 4267ed5 · 4267ed5
1 parent 4c87d11
commit 4267ed5
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/docs/usage.rst b/docs/usage.rst
@@ -91,6 +91,18 @@ KafkaProducer
     for _ in range(100):
         producer.send('my-topic', b'msg')
 
+    def on_send_success(record_metadata):
+        print(record_metadata.topic)
+        print(record_metadata.partition)
+        print(record_metadata.offset)
+
+    def on_send_error(excp):
+        log.error('I am an errback', exc_info=excp)
+        # handle exception
+
+    # produce asynchronously with callbacks 
+    producer.send('my-topic', b'raw_bytes').add_callback(on_send_success).add_errback(on_send_error)
+
     # block until all async messages are sent
     producer.flush()