def _verify_source_topic_partitions(self, source_topic: str) -> None:
# This was formerly wrapped in an lru_cache. The linter sees issues with this
# as an instance stays cached.
# This is why we implement a non lru_cached lookup which checks if the
# function has already been executed once on the instance level.
if source_topic in self._verified_source_topics_for_partitions:
return
change_topic = self.changelog_topic_name
source_n = self.app.consumer.topic_partitions(source_topic)
if source_n is not None:
change_n = self.app.consumer.topic_partitions(change_topic)
if change_n is not None:
if source_n != change_n:
raise PartitionsMismatch(
E_SOURCE_PARTITIONS_MISMATCH.format(
source_topic=source_topic,
table_name=self.name,
source_n=source_n,
change_topic=change_topic,
change_n=change_n,
),
)
self._verified_source_topics_for_partitions.add(source_topic)
def _verify_source_topic_partitions(self, source_topic: str) -> None:
change_topic = self.changelog_topic_name
source_n = self.app.consumer.topic_partitions(source_topic)
if source_n is not None:
change_n = self.app.consumer.topic_partitions(change_topic)
if change_n is not None:
if source_n != change_n:
raise PartitionsMismatch(
E_SOURCE_PARTITIONS_MISMATCH.format(
source_topic=source_topic,
table_name=self.name,
source_n=source_n,
change_topic=change_topic,
change_n=change_n,
), )