logwatcher.py

import os
import subprocess as sub
from pygments.console import colorize
logs={'nginx_access_log':'/var/log/nginx/access.log','nginx_error_log':'/var/log/nginx/error.log','uwsgi_log':'/var/log/uwsgi/app/uwsgi.log'}
log=[]
index=[]
def test_log():
    for item in logs:
       log.append(logs[item]) 
       index.append(item)
    try:
       while True:
           acc_ng,err=sub.Popen(['tail','-1',log[0]],stdout=sub.PIPE,stderr=sub.PIPE).communicate()
           err_ng,err=sub.Popen(['tail','-1',log[1]],stdout=sub.PIPE,stderr=sub.PIPE).communicate()
           acc_uw,err=sub.Popen(['tail','-1',log[2]],stdout=sub.PIPE,stderr=sub.PIPE).communicate()
           print index[0],"______________________________________________________________"
           print colorize('red',acc_ng)
           print index[1],"______________________________________________________________"
           print colorize('blue',err_ng)
           print index[2],"______________________________________________________________"
           print colorize('green',acc_uw)
    except KeyboardInterrupt:
           pass

if __name__=='__main__':
     test_log()