有如下三条日志数据：

2019-09-25 11:16:39,253 [myid:] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception

EndOfStreamException: Unable to read additional data from client sessionid 0x16d666b95e10002, likely client has closed socket

at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)

at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)

at java.lang.Thread.run(Thread.java:745)

2019-09-25 11:16:39,260 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /192.168.101.231:48311 which had sessionid 0x16d666b95e10002

2019-09-25 11:16:40,000 [myid:] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x36b63c29fbac528, timeout of 10000ms exceeded

需要用 Python3 将每一个以日期开头、直到下一个以日期开头行之间的内容匹配为一条记录，最终变成以下三条记录：

1:

2019-09-25 11:16:39,253 [myid:] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception

EndOfStreamException: Unable to read additional data from client sessionid 0x16d666b95e10002, likely client has closed socket

at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)

at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)

at java.lang.Thread.run(Thread.java:745)

2:

2019-09-25 11:16:39,260 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /192.168.101.231:48311 which had sessionid 0x16d666b95e10002

3:

2019-09-25 11:16:40,000 [myid:] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x36b63c29fbac528, timeout of 10000ms exceeded

请问该如何实现？

附测试脚本：

import re

content = "2019-09-25 11:16:39,253 [myid:] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception\n \

EndOfStreamException: Unable to read additional data from client sessionid 0x16d666b95e10002, likely client has closed socket\n \

at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)\n \

at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)\n \

at java.lang.Thread.run(Thread.java:745)\n \

2019-09-25 11:16:39,260 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /192.168.101.231:48311 which had sessionid 0x16d666b95e10002\n \

2019-09-25 11:16:40,000 [myid:] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x36b63c29fbac528, timeout of 10000ms exceeded\n \

"

pattern = re.compile("《PATTERN》",re.MULTILINE|re.DOTALL)

for each_record in re.findall(pattern, content):

print(each_record,"\n RECORD END")