Python实现设置windows桌面壁纸代码分享

每天换一个壁纸，每天好心情。

# -*- coding: UTF-8 -*- from __future__ import unicode_literalsimport Imageimport datetimeimport win32gui,win32con,win32apiimport refrom HttpWrapper import SendRequestStoreFolder = "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('<div class="download_link"><a href="(.*?)">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 Nonedef 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/' target='_blank'>python # -*- coding: UTF-8 -*-#-------------------------------------------------------------------------------# Name: 对http访问的封装## Author: qianlifeng## Created: 10-02-2012#-------------------------------------------------------------------------------import base64import urllibimport urllib2import timeimport reimport sysclass 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()