hadoop log viewer in Python

loganalyze.py

import re
mode = r'([A-Z_]*)="([^"]+)"'
vmode = r'\(([^)]+)\)\(([^)]+)\)\(([^)]+)\)'
filename = 's3.txt'
f = open(filename,'r')
lines = f.readlines()
jobinfo = lines[-1]
info = []
for k,v in re.findall(mode, jobinfo):
    for kk1, kk2, vv in re.findall(vmode, v): 
        info.append('%s,%s,%s' % (k, kk1,vv))
for k in sorted(info):
    print k
f.close()