Python实现对比Nginx配置文件差异

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一 代码

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

try:
    textfile1=sys.argv[1]
    textfile2=sys.argv[2]
except Exception,e:
    print ("Error:"+str(e))
    print ("Usage: simple3.py filename1 filename2")
    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 ("Usage: simple3.py filename1 filename2")
    sys.exit()


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

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

二 运行

(venv) E:\Python\python_auto_maintain>python 2_1_3.py nginx.conf.v1 nginx.conf.v2>diff.html

三 结果