Ubuntu使用Python脚本实现每日自动同步Bing壁纸

 1 #!/usr/bin/python3
 2 #-*-coding=utf-8-*-
 3 
 4 import os # 利用os.system(command)实现设置壁纸
 5 import re # 用来匹配必应首页图片地址
 6 import time 
 7 import sys # for stopping this script in csae of any mistake
 8 from urllib.request import urlopen # for fetching web pages
 9 
10 patten = r‘g_img={url:\‘(?P<h>.*)\‘,id‘                  # find where the picture is by its html patten
11 path = ‘/home/legendlc/Desktop/Python/WallPapers/‘       # folder for storing pics
12 url = "https://cn.bing.com"                              # target url
13 refreshInterval = 10 * 60                                # 单位为秒 
14 
15 _filename = ‘none‘
16 filename = ‘none‘
17 while True:
18     now = time.localtime()
19     _filename = filename
20     filename = str(now.tm_year) + ‘_‘ + str(now.tm_mon) + ‘_‘ + str(now.tm_mday) + ‘.jpg‘
21 
22     if _filename != filename:
23         try:
24             response = urlopen(url)
25         except Exception as e:
26             print(e)
27         html = response.read().decode(‘utf-8‘)                   # get html in form of string
28 
29         pos = re.search(patten, html)
30         if pos == None:
31             print(‘Html Patten out-of-date‘)
32             sys.exit(0)
33         img_url = ‘http://s.cn.bing.net‘ + pos.group(‘h‘)        # get image url
34 
35         x = urlopen(img_url)
36         f = open(path + filename, ‘wb‘)
37         f.write(x.read())
38         f.close()                                                # download the image into a local file named by date
39 
40         c_path = ‘"file://‘ + path + filename + ‘"‘ # absolute path
41         os.system(‘gsettings set org.gnome.desktop.background picture-uri ‘ + c_path) # call system command to change the gnome background
42         time.sleep(refreshInterval)
43     else:
44         time.sleep(refreshInterval)