python3 实现对比conf 文件差异

Posted 2020-08-25

用法： ./conf.py  nginx1.conf  nginx2.conf > diff.html

conf.py

#!/usr/bin/python
import difflib
import sys
####   Usage: compare_nginx.conf.py filename1 filename2 >diff.html
try:
    textfile1 = sys.argv[1]
    textfile2 = sys.argv[2]
except Exception as e:
    print("Error: %s" % e)
    print("Usage: compare_nginx.conf.py filename1 filename2 >diff.html")
    sys.exit()

def readfile(filename):
    try:
        fileHandle = open(filename, ‘r‘,encoding=‘gbk‘)
        text = fileHandle.read().splitlines()
        fileHandle.close()
        return text
    except IOError as error:
        print("Read file Error: %s" % error)
        sys.exit()

if ‘textfile1‘ =="" or ‘textfile2‘=="":
    print("Usage: compare_nginx.conf.py filename1 filename2 diff.html")
    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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