python difflib模块详解

>>> diff = ndiff('one\ntwo\nthree\n'.splitlines(1),

...       'ore\ntree\nemu\n'.splitlines(1))

>>> diff = list(diff) # materialize the generated delta into a list

>>> print ''.join(restore(diff, 1)),

one

two

three

>>> print ''.join(restore(diff, 2)),

ore

tree

emu

>>> s1 = ['bacon\n', 'eggs\n', 'ham\n', 'guido\n']

>>> s2 = ['python\n', 'eggy\n', 'hamster\n', 'guido\n']

>>> for line in unified_diff(s1, s2, fromfile='before.py', tofile='after.py'):

...  sys.stdout.write(line)

--- before.py

+++ after.py

@@ -1,4 +1,4 @@

-bacon

-eggs

-ham

+python

+eggy

+hamster

 guido

#coding:utf-8

'''

file:difflibeg.py

date:2017/9/9 10:33

author:lockey

email:lockey@123.com

desc:diffle module learning and practising

'''

import difflib

hd = difflib.HtmlDiff()

loads = ''

with open('G:/python/note/day09/0907code/hostinfo/cpu.py','r') as load:

 loads = load.readlines()

 load.close()

mems = ''

with open('G:/python/note/day09/0907code/hostinfo/mem.py', 'r') as mem:

 mems = mem.readlines()

 mem.close()

with open('htmlout.html','a+') as fo:

 fo.write(hd.make_file(loads,mems))

 fo.close()