本文整理汇总了Python中afkak.kafkacodec.KafkaCodec._encode_message_set方法的典型用法代码示例。如果您正苦于以下问题：Python KafkaCodec._encode_message_set方法的具体用法？Python KafkaCodec._encode_message_set怎么用？Python KafkaCodec._encode_message_set使用的例子？那么, 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类afkak.kafkacodec.KafkaCodec的用法示例。
在下文中一共展示了KafkaCodec._encode_message_set方法的3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: test_decode_fetch_response
# 需要导入模块: from afkak.kafkacodec import KafkaCodec [as 别名]
# 或者: from afkak.kafkacodec.KafkaCodec import _encode_message_set [as 别名]
def test_decode_fetch_response(self):
t1 = "topic1"
t2 = u"topic2"
msgs = [create_message(m) for m in [b"message1", b"hi", b"boo", b"foo", b"so fun!"]]
ms1 = KafkaCodec._encode_message_set([msgs[0], msgs[1]])
ms2 = KafkaCodec._encode_message_set([msgs[2]])
ms3 = KafkaCodec._encode_message_set([msgs[3], msgs[4]])
encoded = struct.pack('>iih%dsiihqi%dsihqi%dsh%dsiihqi%ds' %
(len(t1), len(ms1), len(ms2), len(t2), len(ms3)),
4, 2, len(t1), t1.encode(), 2, 0, 0, 10, len(ms1), ms1, 1,
1, 20, len(ms2), ms2, len(t2), t2.encode(), 1, 0, 0, 30,
len(ms3), ms3)
responses = list(KafkaCodec.decode_fetch_response(encoded))
def expand_messages(response):
return FetchResponse(response.topic, response.partition,
response.error, response.highwaterMark,
list(response.messages))
expanded_responses = [expand_messages(r) for r in responses]
expect = [FetchResponse(t1, 0, 0, 10, [OffsetAndMessage(0, msgs[0]),
OffsetAndMessage(0, msgs[1])]),
FetchResponse(t1, 1, 1, 20, [OffsetAndMessage(0, msgs[2])]),
FetchResponse(t2, 0, 0, 30, [OffsetAndMessage(0, msgs[3]),
OffsetAndMessage(0, msgs[4])])]
self.assertEqual(expanded_responses, expect)示例2: make_fetch_response
# 需要导入模块: from afkak.kafkacodec import KafkaCodec [as 别名]
# 或者: from afkak.kafkacodec.KafkaCodec import _encode_message_set [as 别名]
def make_fetch_response(id):
t1 = "topic1"
t2 = "topic2"
msgs = map(
create_message, ["message1", "hi", "boo", "foo", "so fun!"])
ms1 = KafkaCodec._encode_message_set([msgs[0], msgs[1]])
ms2 = KafkaCodec._encode_message_set([msgs[2]])
ms3 = KafkaCodec._encode_message_set([msgs[3], msgs[4]])
packFmt = '>iih{}siihqi{}sihqi{}sh{}siihqi{}s'.format(
len(t1), len(ms1), len(ms2), len(t2), len(ms3))
return struct.pack(
packFmt, id, 2, len(t1), t1, 2, 0, 0, 10, len(ms1), ms1, 1,
1, 20, len(ms2), ms2, len(t2), t2, 1, 0, 0, 30, len(ms3), ms3)示例3: test_encode_message_set
# 需要导入模块: from afkak.kafkacodec import KafkaCodec [as 别名]
# 或者: from afkak.kafkacodec.KafkaCodec import _encode_message_set [as 别名]
def test_encode_message_set(self):
message_set = [
create_message(b"v1", b"k1"),
create_message(b"v2", b"k2"),
]
encoded = KafkaCodec._encode_message_set(message_set)
expect = b"".join([
struct.pack(">q", 0), # MsgSet Offset
struct.pack(">i", 18), # Msg Size
struct.pack(">i", 1474775406), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", 2), # Length of key
b"k1", # Key
struct.pack(">i", 2), # Length of value
b"v1", # Value
struct.pack(">q", 0), # MsgSet Offset
struct.pack(">i", 18), # Msg Size
struct.pack(">i", -16383415), # CRC
struct.pack(">bb", 0, 0), # Magic, flags
struct.pack(">i", 2), # Length of key
b"k2", # Key
struct.pack(">i", 2), # Length of value
b"v2", # Value
])
self.assertEqual(encoded, expect)