2

I have parsed a file and I need some help in splitting a data in it. Below is my data:

Block of data:

blank space
20/06/25 12:19:33 ERROR datasources
20/06/25 21:12:23 ERROR  sadasdfsd
blank space
blank space    
20/06/25 12:19:33 WARN  asda
20/06/25 21:12:23 ERROR asdasdfsd
20/06/25 12:20:33 WARN  asda
blank space

I have mentioned 'blank space' for better understanding.In my data there will be empty space there

The code I tried:

def parse_log_contents(text,full_text_lines,filter_content_types=None):
    #print(text) #Above block of data
    messages = re.compile('^(?=\d+/)',flags=re.MULTILINE).split(text)
    print(messages)

The output I got:

['']
['20/06/25 12:19:33 ERROR datasources\n20/06/25 21:12:23 ERROR  sadasdfsd']
['']
['']
['20/06/25 12:19:33 WARN  asda\n20/06/25 21:12:23 ERROR asdasdfsd\n20/06/25 12:20:33 WARN  asda']
['']

Expected Output:

['']
['', '20/06/25 12:19:33 ERROR datasources\n', '20/06/25 21:12:23 ERROR  sadasdfsd']
['']
['']
['', '20/06/25 12:19:33 WARN  asda\n','20/06/25 21:12:23 ERROR asdasdfsd\n','20/06/25 12:20:33 WARN  asda']
['']

I use python 2.7 in Linux Environment

In my output you can see I wasn't able to split the errors by delimiter comma(,).

Also I need a empty '' in front of those messages which I will need later for other processing .

Please help me to sort this issue.Thanks a lot!

Improve this question
12
  • How are you calling your function? Commented Jul 14, 2020 at 18:15
  • I call that from another function .I can add my complete code if you want for better understanding Commented Jul 14, 2020 at 18:18
  • When I test your code it is already splitting the lines closer to what you want: repl.it/repls/DrabWetPreprocessor#main.py Commented Jul 14, 2020 at 18:20
  • Yeah I also got the right answer when I execute it in my PC but when I work in another environment I was not able to get the right answer. I think this type of format is not getting executed correctly there. Is there any alternate method to do this ? Commented Jul 14, 2020 at 18:24
  • Make sure you are using raw string starting with r. Then you could try splitting with r'(^|\n)(?=\d+/)' instead. Commented Jul 14, 2020 at 18:31
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