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authorDana Powers <dana.powers@rd.io>2014-09-14 23:38:24 -0700
committerDana Powers <dana.powers@rd.io>2014-12-15 12:42:55 -0800
commit8dc362320851e7e5b751a0196d91dfd25bb4e07f (patch)
tree8b29710924c84d5180e193c7bab25757247a9fea
parent67aa1a1c041d03a8139aac7081500ddd55665c46 (diff)
downloadkafka-python-8dc362320851e7e5b751a0196d91dfd25bb4e07f.tar.gz
raise KafkaConfigurationError in commit() if there is no configured 'group_id'; add docstring
-rw-r--r--kafka/consumer/new.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/kafka/consumer/new.py b/kafka/consumer/new.py
index e1273ea..72c471f 100644
--- a/kafka/consumer/new.py
+++ b/kafka/consumer/new.py
@@ -233,9 +233,16 @@ class KafkaConsumer(object):
self._next_commit = time.time() + (self._config['auto_commit_interval_ms'] / 1000.0)
def commit(self):
+ """
+ Store consumed message offsets (marked via task_done())
+ to kafka cluster for this consumer_group.
+
+ Note -- this functionality requires server version >=0.8.1.1
+ see https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-OffsetCommit/FetchAPI
+ """
if not self._config['group_id']:
logger.warning('Cannot commit without a group_id!')
- raise RuntimeError('Attempted to commit offsets without a configured consumer group (group_id)')
+ raise KafkaConfigurationError('Attempted to commit offsets without a configured consumer group (group_id)')
# API supports storing metadata with each commit
# but for now it is unused