Python一起来找茬—difflib模块-创新互联

模块difflib

比较并找出两个文本内容的不同

import difflib

text1="""1. Beautiful is better than ugly.
2. Explicit is better than implicit.
3. Simple is better than complex.
4. Complex is better than complicated.
""".splitlines(keepends=True)

text2="""1. Beautiful is better than ugly.
3.   Simple is better than complex.
4. Complicated is better than complex.
5. Flat is better than nested.
""".splitlines(keepends=True)

#第一种方式：
d = difflib.Differ()
result = list(d.compare(text1,text2))
result = ''.join(result)
print(result)
"""
运行结果以文本行方式显示，不容易理解
"""

#第二种方式：
d = difflib.HtmlDiff()
with open('diffirent.html','w') as f:
    f.write(d.make_file(text1,text2))
"""
生成一个html文件，用浏览器打开，会显示两个文本内容的不同之处
"""

第一种方式：

第二种方式：

直接比较两个文件：

import difflib

file1 = '/etc/passwd'
file2 = '/tmp/passwd'

with open(file1) as f1,open(file2) as f2:
    text1 = f1.readlines()
    text2 = f2.readlines()

d = difflib.HtmlDiff()
with open('passwd.html','w') as f:
    f.write(d.make_file(text1,text2))

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