Python运维自动化--nginx配置文件对比

#!/usr/bin/env python
#
import difflib
import sys

try:
textfile1=sys.argv[1]
textfile2=sys.argv[2]
except exception,e:
print "Error:"+str(2)
print "Usge: difflib.py file1 file2"
sys.exit()

def readfile(filename):
try:
fileHandle=open(filename,'rb')
text=fileHandle.read().splitlines()
fileHandle.close()
return text
except IOError as error:
print ('read file Error:'+str(error))
sys.exit()

if textfile1=="" or textfile2=="":
print "usege :difflib.py file1 file2"
sys.exit()

text1_lines=readfile(textfile1)
text2_lines=readfile(textfile2)

d = difflib.HtmlDiff()
print d.make_file(text1_lines, text2_lines)

#python diff.py nginx1.conf nginx2.conf > diff.html