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：
复制代码 代码如下:
#!/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()