Python实现设置windows桌面壁纸代码

发布于 2015-04-07 16:59:42 | 122 次阅读 | 评论: 0 |

Python编程语言Python 是一种面向对象、解释型计算机程序设计语言,由Guido van Rossum于1989年底发明,第一个公开发行版发行于1991年。Python语法简洁而清晰,具有丰富和强大的类库。它常被昵称为胶水语言,它能够把用其他语言制作的各种模块(尤其是C/C++)很轻松地联结在一起。

每天换一个壁纸,每天好心情。

# -*- coding: UTF-8 -*-
from __future__ import unicode_literals
import Image
import datetime
import win32gui,win32con,win32api
import re
from HttpWrapper import SendRequest
StoreFolder = "c:\dayImage"
def setWallpaperFromBMP(imagepath):
k = win32api.RegOpenKeyEx(win32con.HKEY_CURRENT_USER,"Control Panel\Desktop",0,win32con.KEY_SET_VALUE)
win32api.RegSetValueEx(k, "WallpaperStyle", 0, win32con.REG_SZ, "2") #2拉伸适应桌面,0桌面居中
win32api.RegSetValueEx(k, "TileWallpaper", 0, win32con.REG_SZ, "0")
win32gui.SystemParametersInfo(win32con.SPI_SETDESKWALLPAPER,imagepath, 1+2)
def setWallPaper(imagePath):
"""
Given a path to an image, convert it to bmp and set it as wallpaper
"""
bmpImage = Image.open(imagePath)
newPath = StoreFolder + '\mywallpaper.bmp'
bmpImage.save(newPath, "BMP")
setWallpaperFromBMP(newPath)
def getPicture():
url = "http://photography.nationalgeographic.com/photography/photo-of-the-day/"
h = SendRequest(url)
if h.GetSource():
r = re.findall('
 
 
 
  Download',h.GetSource()) 
  
if r:
 
   
  
return SendRequest(r[0]).GetSource()



else:




print "解析图片地址出错,请检查正则表达式是否正确"



return None
 
   
  
def setWallpaperOfToday():
 
   
  
img = getPicture()
 
   
  
if img:
 
   
  
path = StoreFolder + "\%s.jpg" % datetime.date.today()
 
   
  
f = open(path,"wb")
 
   
  
f.write(img)
 
   
  
f.close()
 
   
  
setWallPaper(path)
 
   
  
setWallpaperOfToday()
 
   
  
print 'Wallpaper set ok!'
 
   
  
其中的httpwrapper是我写的一个http访问的封装:
 
   
  
#!/usr/bin/env python
 
   
  
# -*- coding: UTF-8 -*-
 
   
  
#-------------------------------------------------------------------------------
 
   
  
# Name: 对http访问的封装
 
   
  
#
 
   
  
# Author: qianlifeng
 
   
  
#
 
   
  
# Created: 10-02-2012
 
   
  
#-------------------------------------------------------------------------------
 
   
  
import base64
 
   
  
import urllib
 
   
  
import urllib2
 
   
  
import time
 
   
  
import re
 
   
  
import sys
 
   
  
class SendRequest:
 
   
  
"""




网页请求增强类


SendRequest('http://xxx.com',data=dict, type='POST', auth='base',user='xxx', password='xxx')
 
   
  
"""
 
   
  
def __init__(self, url, data=None, method='GET', auth=None, user=None, password=None, cookie = None, **header):
 
   
  
"""




url: 请求的url,不能为空




date: 需要post的内容,必须是字典




method: Get 或者 Post,默认为Get




auth: 'base' 或者 'cookie'




user: 用于base认证的用户名




password: 用于base认证的密码




cookie: 请求附带的cookie,一般用于登录后的认证




其他头信息:



e.g. referer='www.sina.com.cn'
 
   
  
"""
 
   
  
self.url = url
 
   
  
self.data = data
 
   
  
self.method = method
 
   
  
self.auth = auth
 
   
  
self.user = user
 
   
  
self.password = password
 
   
  
self.cookie = cookie
 
   
  
if 'referer' in header:
 
   
  
self.referer = header[referer]
 
   
  
else:
 
   
  
self.referer = None
 
   
  
if 'user-agent' in header:
 
   
  
self.user_agent = header[user-agent]
 
   
  
else:
 
   
  
## self.user_agent = 'Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0'
 
   
  
self.user_agent = 'Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16'
 
   
  
self.__SetupRequest()
 
   
  
self.__SendRequest()
 
   
  
def __SetupRequest(self):
 
   
  
if self.url is None or self.url == '':
 
   
  
raise 'url 不能为空!'
 
   
  
#访问方式设置
 
   
  
if self.method.lower() == 'post':
 
   
  
self.Req = urllib2.Request(self.url, urllib.urlencode(self.data))
 
   
  
elif self.method.lower() == 'get':
 
   
  
if self.data == None:
 
   
  
self.Req = urllib2.Request(self.url)
 
   
  
else:
 
   
  
self.Req = urllib2.Request(self.url + '?' + urllib.urlencode(self.data))
 
   
  
#设置认证信息
 
   
  
if self.auth == 'base':
 
   
  
if self.user == None or self.password == None:
 
   
  
raise 'The user or password was not given!'
 
   
  
else:
 
   
  
auth_info = base64.encodestring(self.user + ':' + self.password).replace('n','')
 
   
  
auth_info = 'Basic ' + auth_info
 
   
  
self.Req.add_header("Authorization", auth_info)
 
   
  
elif self.auth == 'cookie':
 
   
  
if self.cookie == None:
 
   
  
raise 'The cookie was not given!'
 
   
  
else:
 
   
  
self.Req.add_header("Cookie", self.cookie)
 
   
  
if self.referer:
 
   
  
self.Req.add_header('referer', self.referer)
 
   
  
if self.user_agent:
 
   
  
self.Req.add_header('user-agent', self.user_agent)
 
   
  
def __SendRequest(self):
 
   
  
try:
 
   
  
self.Res = urllib2.urlopen(self.Req)
 
   
  
self.source = self.Res.read()
 
   
  
self.code = self.Res.getcode()
 
   
  
self.head_dict = self.Res.info().dict
 
   
  
self.Res.close()
 
   
  
except:
 
   
  
print "Error: HttpWrapper=>_SendRequest ", sys.exc_info()[1]
 
   
  
def GetResponseCode(self):
 
   
  
"""



得到服务器返回的状态码(200表示成功,404网页不存在)


"""
 
   
  
return self.code
 
   
  
def GetSource(self):
 
   
  
"""



得到网页源代码,需要解码后在使用


"""
 
   
  
if "source" in dir(self):
 
   
  
return self.source
 
   
  
return u''
 
   
  
def GetHeaderInfo(self):
 
   
  
"""


u'得到响应头信息'




"""
 
   
  
return self.head_dict
 
   
  
def GetCookie(self):
 
   
  
"""




得到服务器返回的Cookie,一般用于登录后续操作

"""
 
   
  
if 'set-cookie' in self.head_dict:
 
   
  
return self.head_dict['set-cookie']
 
   
  
else:
 
   
  
return None
 
   
  
def GetContentType(self):
 
   
  
"""




得到返回类型



"""
 
   
  
if 'content-type' in self.head_dict:
 
   
  
return self.head_dict['content-type']
 
   
  
else:
 
   
  
return None
 
   
  
def GetCharset(self):
 
   
  
"""
 
   
  
尝试得到网页的编码
 
   
  
如果得不到返回None
 
   
  
"""
 
   
  
contentType = self.GetContentType()
 
   
  
if contentType is not None:
 
   
  
index = contentType.find("charset")
 
   
  
if index > 0:
 
   
  
return contentType[index+8:]
 
   
  
return None
 
   
  
def GetExpiresTime(self):
 
   
  
"""
 
   
  
得到网页过期时间
 
   
  
"""
 
   
  
if 'expires' in self.head_dict:
 
   
  
return self.head_dict['expires']
 
   
  
else:
 
   
  
return None
 
   
  
def GetServerName(self):
 
   
  
"""




得到服务器名字


"""
 
   
  
if 'server' in self.head_dict:
 
   
  
return self.head_dict['server']
 
   
  
else:
 
   
  
return None
 
   
  
__all__ = [SendRequest,]
 
   
  
if __name__ == '__main__':
 
   
  
b = SendRequest("http://www.baidu.com")
 
   
  
print b.GetSource()




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