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Parsing log files after 30 seconds in real time

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0

I m writing a simple python script to analyze the logs in real time. I don't know how to move the cursor to the end of the freshly written data in log files in 30 seconds.

I have read all the related links Python parsing log file to extract events in real time
and this http://www.dabeaz.com/generators/follow.py
I have also read about seek() function but I'm not getting how do I use it.

But none of them answer to my questions.
I don't even know to do I start.

import time
import csv
import parser as p
def follow(thefile):
 logfile = open("access.log","r")
 thefile.seek(0,2)
 loglines = thefile.read()
 p.process1(loglines) # user defined function 1
 p.process2(loglines) # user defined function 2
 print "Lines Converted: "
 for line in loglines:
 print line,

if __name__ == '__main__':
 while(True):
 follow()
 time.sleep(30)

After reading the updated data in log files written in 30 seconds, the function should call the user defined function to perform the other operation on the new log data.

python apache real-time logfile

share|improve this question

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Look here code.activestate.com/recipes/577968-log-watcher-tail-f-log
  
  – balderman
  Mar 28 at 11:08
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  don't re-open the file every time you call follow.
  
  – AShelly
  Mar 28 at 23:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sorry for late reply, @balderman can you just show this with an example?
  
  – Harsh Bhagwani
  Apr 3 at 9:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AShelly, how do you propose to do this?
  
  – Harsh Bhagwani
  Apr 3 at 9:57
  

  
  
  
  

add a comment
 | 

0

I m writing a simple python script to analyze the logs in real time. I don't know how to move the cursor to the end of the freshly written data in log files in 30 seconds.

I have read all the related links Python parsing log file to extract events in real time
and this http://www.dabeaz.com/generators/follow.py
I have also read about seek() function but I'm not getting how do I use it.

But none of them answer to my questions.
I don't even know to do I start.

import time
import csv
import parser as p
def follow(thefile):
 logfile = open("access.log","r")
 thefile.seek(0,2)
 loglines = thefile.read()
 p.process1(loglines) # user defined function 1
 p.process2(loglines) # user defined function 2
 print "Lines Converted: "
 for line in loglines:
 print line,

if __name__ == '__main__':
 while(True):
 follow()
 time.sleep(30)

After reading the updated data in log files written in 30 seconds, the function should call the user defined function to perform the other operation on the new log data.

python apache real-time logfile

share|improve this question

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Look here code.activestate.com/recipes/577968-log-watcher-tail-f-log
  
  – balderman
  Mar 28 at 11:08
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  don't re-open the file every time you call follow.
  
  – AShelly
  Mar 28 at 23:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sorry for late reply, @balderman can you just show this with an example?
  
  – Harsh Bhagwani
  Apr 3 at 9:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AShelly, how do you propose to do this?
  
  – Harsh Bhagwani
  Apr 3 at 9:57
  

  
  
  
  

add a comment
 | 

I m writing a simple python script to analyze the logs in real time. I don't know how to move the cursor to the end of the freshly written data in log files in 30 seconds.

I have read all the related links Python parsing log file to extract events in real time
and this http://www.dabeaz.com/generators/follow.py
I have also read about seek() function but I'm not getting how do I use it.

But none of them answer to my questions.
I don't even know to do I start.

import time
import csv
import parser as p
def follow(thefile):
 logfile = open("access.log","r")
 thefile.seek(0,2)
 loglines = thefile.read()
 p.process1(loglines) # user defined function 1
 p.process2(loglines) # user defined function 2
 print "Lines Converted: "
 for line in loglines:
 print line,

if __name__ == '__main__':
 while(True):
 follow()
 time.sleep(30)

After reading the updated data in log files written in 30 seconds, the function should call the user defined function to perform the other operation on the new log data.

python apache real-time logfile

share|improve this question

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges

import time
import csv
import parser as p
def follow(thefile):
 logfile = open("access.log","r")
 thefile.seek(0,2)
 loglines = thefile.read()
 p.process1(loglines) # user defined function 1
 p.process2(loglines) # user defined function 2
 print "Lines Converted: "
 for line in loglines:
 print line,

if __name__ == '__main__':
 while(True):
 follow()
 time.sleep(30)

share|improve this question

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges

share|improve this question

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges

asked Mar 28 at 10:56

Harsh BhagwaniHarsh Bhagwani

344 bronze badges