使用python脚本简单切换hosts文件

开发或者测试时,我们很多时候都会遇到多个hosts文件来回切换,windows的hosts文件目录比较深,麻烦,因此,用python写了个小脚本来简化此功能。
win7以上需要使用管理员权限操作。

# -*- coding: utf-8 -*-
import os
import glob
import shutil

def format_file_list(files):
all_files_str = ""
for i in range(len(files)):
all_files_str += str(i)+":"+files[i]+" "
return all_files_str

hosts_path = "C:\Windows\System32\drivers\etc"
files = os.listdir(hosts_path)
os.chdir(hosts_path)

if os.getcwd() != hosts_path:
print("Switch Dir to System32 Error,check permission! pwd:"+os.getcwd())
exit()

hosts_files = glob.glob("host*")
choosed_file_idx = int(input("Choose Hosts File Index: "+format_file_list(hosts_files)))
files_num = len(hosts_files)

if (choosed_file_idx < 0 or choosed_file_idx >= files_num) :
print("Please choose a file in the lists!")
exit()

print("Choosed idx:{0},file:{1}.".format(choosed_file_idx,hosts_files[choosed_file_idx]))
shutil.copy("hosts","hosts.bak")
shutil.copy(hosts_files[choosed_file_idx],"hosts")
print("Copy ok,then flush dns...")
os.system("ipconfig /flushdns")











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