#!/usr/bin/env python

import difflib

import sys

try:

    textfile1=sys.argv[]               #第一个配置文件路径参数

    textfile2=sys.argv[]                #第二个配置文件路径参数

except Exception as e:

    print('Error:' +str(e))

    print("Usage: simple3.py filename1  filename2")

    sys.exit()

def readfile(filename):         #文件读取分割函数

    try:

        fileHandle = open(filename,'rt')

        text = fileHandle.read().splitlines()           #读取后以行进行分隔

        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)     #调用readfile函数，获取分隔后的字符串

text2_lines = readfile(textfile2)

d = difflib.HtmlDiff()          #创建HtmlDiff()类对象

print(d.make_file(text1_lines,text2_lines))     #通过make_file方法输出HTML格式的对比结果