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Python SimpleClient.send_offset_request方法代码示例

本文整理汇总了Python中kafka.SimpleClient.send_offset_request方法的典型用法代码示例。如果您正苦于以下问题:Python SimpleClient.send_offset_request方法的具体用法?Python SimpleClient.send_offset_request怎么用?Python SimpleClient.send_offset_request使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在kafka.SimpleClient的用法示例。


在下文中一共展示了SimpleClient.send_offset_request方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: KafkaIntegrationTestCase

# 需要导入模块: from kafka import SimpleClient [as 别名]
# 或者: from kafka.SimpleClient import send_offset_request [as 别名]
class KafkaIntegrationTestCase(unittest.TestCase):
    create_client = True
    topic = None
    zk = None
    server = None

    def setUp(self):
        super(KafkaIntegrationTestCase, self).setUp()
        if not os.environ.get('KAFKA_VERSION'):
            self.skipTest('Integration test requires KAFKA_VERSION')

        if not self.topic:
            topic = "%s-%s" % (self.id()[self.id().rindex(".") + 1:], random_string(10))
            self.topic = topic

        if self.create_client:
            self.client = SimpleClient('%s:%d' % (self.server.host, self.server.port))

        self.client.ensure_topic_exists(self.topic)

        self._messages = {}

    def tearDown(self):
        super(KafkaIntegrationTestCase, self).tearDown()
        if not os.environ.get('KAFKA_VERSION'):
            return

        if self.create_client:
            self.client.close()

    def current_offset(self, topic, partition):
        try:
            offsets, = self.client.send_offset_request([OffsetRequestPayload(topic, partition, -1, 1)])
        except:
            # XXX: We've seen some UnknownErrors here and cant debug w/o server logs
            self.zk.child.dump_logs()
            self.server.child.dump_logs()
            raise
        else:
            return offsets.offsets[0]

    def msgs(self, iterable):
        return [ self.msg(x) for x in iterable ]

    def msg(self, s):
        if s not in self._messages:
            self._messages[s] = '%s-%s-%s' % (s, self.id(), str(uuid.uuid4()))

        return self._messages[s].encode('utf-8')

    def key(self, k):
        return k.encode('utf-8')
开发者ID:0ste00,项目名称:kafka-python,代码行数:54,代码来源:testutil.py

示例2: KafkaIntegrationTestCase

# 需要导入模块: from kafka import SimpleClient [as 别名]
# 或者: from kafka.SimpleClient import send_offset_request [as 别名]
class KafkaIntegrationTestCase(unittest.TestCase):
    create_client = True
    topic = None
    zk = None
    server = None

    def setUp(self):
        super(KafkaIntegrationTestCase, self).setUp()
        if not os.environ.get('KAFKA_VERSION'):
            self.skipTest('Integration test requires KAFKA_VERSION')

        if not self.topic:
            topic = "%s-%s" % (self.id()[self.id().rindex(".") + 1:], random_string(10))
            self.topic = topic

        if self.create_client:
            self.client = SimpleClient('%s:%d' % (self.server.host, self.server.port))

        timeout = time.time() + 30
        while time.time() < timeout:
            try:
                self.client.load_metadata_for_topics(self.topic, ignore_leadernotavailable=False)
                if self.client.has_metadata_for_topic(topic):
                    break
            except (LeaderNotAvailableError, InvalidTopicError):
                time.sleep(1)
        else:
            raise KafkaTimeoutError('Timeout loading topic metadata!')


        # Ensure topic partitions have been created on all brokers to avoid UnknownPartitionErrors
        # TODO: It might be a good idea to move this to self.client.ensure_topic_exists
        for partition in self.client.get_partition_ids_for_topic(self.topic):
            while True:
                try:
                    req = OffsetRequestPayload(self.topic, partition, -1, 100)
                    self.client.send_offset_request([req])
                    break
                except (NotLeaderForPartitionError, UnknownTopicOrPartitionError, FailedPayloadsError) as e:
                    if time.time() > timeout:
                        raise KafkaTimeoutError('Timeout loading topic metadata!')
                    time.sleep(.1)

        self._messages = {}

    def tearDown(self):
        super(KafkaIntegrationTestCase, self).tearDown()
        if not os.environ.get('KAFKA_VERSION'):
            return

        if self.create_client:
            self.client.close()

    def current_offset(self, topic, partition):
        try:
            offsets, = self.client.send_offset_request([OffsetRequestPayload(topic,
                                                                             partition, -1, 1)])
        except Exception:
            # XXX: We've seen some UnknownErrors here and can't debug w/o server logs
            self.zk.child.dump_logs()
            self.server.child.dump_logs()
            raise
        else:
            return offsets.offsets[0]

    def msgs(self, iterable):
        return [self.msg(x) for x in iterable]

    def msg(self, s):
        if s not in self._messages:
            self._messages[s] = '%s-%s-%s' % (s, self.id(), str(uuid.uuid4()))

        return self._messages[s].encode('utf-8')

    def key(self, k):
        return k.encode('utf-8')
开发者ID:dpkp,项目名称:kafka-python,代码行数:78,代码来源:testutil.py


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