aligning with book example

Chapter14/kafka/basic_consumer.py

@@ -1,25 +1,14 @@
 from kafka import KafkaConsumer
 import json, sys
-host_id = '10.52.90.101:9092'
-topic_id = 'NSP-EQUIPMENT'
-consumer = KafkaConsumer(bootstrap_servers=['10.52.90.101:9092'],
-                                     auto_offset_reset='earliest',
-                                     consumer_timeout_ms=1000,
-                                    api_version=(0, 10, 1))
-consumer.subscribe([topic_id])
-print(consumer)
-try:
-    for message in consumer:
-        print(message)
-        if message is None:
-            continue
-        else:
-            msg = json.loads(message.value)
-            print(json.dumps(msg, indent=4, sort_keys=True))
+host_id = '10.52.90.10:9092'
+topicid = 'ns-eg-ff15a252-f927-48c7-a98f-2965ab6c187d'
+consumer = KafkaConsumer(topicid,
+                         group_id='120',
+                         bootstrap_servers=['10.52.90.10:9092'], value_deserializer=lambda m: json.loads(m.decode('ascii')),
+                         api_version=(0, 10, 1))
 
-
-except KeyboardInterrupt:
-    sys.stderr.write('++++++ Aborted by user ++++++++\n')
-
-finally:
-    consumer.close()
+for message in consumer:
+    print("%s:%d:%d: key=%s value=%s" % (message.topic, message.partition,
+                                         message.offset, message.key,
+                                         message.value))
+