sjwiesman commented on a change in pull request #74: [FLINK-16783] Add Python 
docker-compose based example
URL: https://github.com/apache/flink-statefun/pull/74#discussion_r398229803
 
 

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 File path: 
statefun-examples/statefun-python-greeter/generator/event-generator.py
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 @@ -0,0 +1,100 @@
+################################################################################
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+# limitations under the License.
+################################################################################
+
+import signal
+import sys
+import time
+import threading
+
+import random
+
+from kafka.errors import NoBrokersAvailable
+
+from messages_pb2 import GreetRequest, GreetResponse
+
+from kafka import KafkaProducer
+from kafka import KafkaConsumer
+
+KAFKA_BROKER = "kafka-broker:9092"
+NAMES = ["Jerry", "George", "Elaine", "Kramer", "Newman", "Frank"]
+
+
+def random_requests():
+    """Generate infinite sequence of random GreetRequests."""
+    while True:
+        request = GreetRequest()
+        request.name = random.choice(NAMES)
+        yield request
+
+
+def produce():
+    producer = KafkaProducer(bootstrap_servers=[KAFKA_BROKER])
+    for request in random_requests():
+        key = request.name.encode('utf-8')
+        val = request.SerializeToString()
+        producer.send(topic='names', key=key, value=val)
+        producer.flush()
+        time.sleep(1)
 
 Review comment:
   Could we make this configurable?

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