difflib 模块包含一些用来计算和处理序列之间差异的工具。它对于比较文本尤其有用,其中包含的函数可以使用多种常用差异格式生成报告。
实现了三个类:
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SequenceMatcher 任意类型序列的比较 (可以比较字符串)
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Differ 对字符串进行比较
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HtmlDiff 将比较结果输出为html格式
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#!/usr/bin/env python # #-*- coding: utf-8 -*- import difflib
import sys
try: textfile1=sys.argv[1]
textfile2=sys.argv[2]
except Exception as e: print( "Error:" +str(e))
print( "Usage:diff_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:diff_Simple3" )
sys. exit ()
text1_lines=readfile(textfile1) text2_lines=readfile(textfile2) d = difflib.HtmlDiff() print(d.make_file(text1_lines,text2_lines))
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本文转自 SoulMio 51CTO博客,原文链接:http://blog.51cto.com/bovin/1940971,如需转载请自行联系原作者