Python setup Windows desktop wallpaper implementation code

  • 2020-04-02 09:46:31
  • OfStack


# -*- 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 Stretch fit desktop ,0 Desktop center 
    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 " There was an error parsing the image address. Check the regular expression for correctness "
            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!'

The httpwrapper is an HTTP access wrapper that I wrote:

#!/usr/bin/env python 
# -*- coding: UTF-8 -*-
#-------------------------------------------------------------------------------
# Name:  right http Encapsulation of access 
#
# Author: qianlifeng
#
# Created: 10-02-2012
#-------------------------------------------------------------------------------
import base64
import urllib
import urllib2
import time
import re
import sys
class SendRequest:
  """
   Page request enhancement class 
  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:  The request of url Cannot be null 
    date:  Need to be post Must be a dictionary 
    method: Get  or  Post By default, Get
    auth: 'base'  or  'cookie'
    user:  Used for base The authenticated user name 
    password:  Used for base Authenticated password 
    cookie:  Attached to the request cookie , generally used for authentication after login 
     Other header information :
    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  Can't be empty !'
    # Access mode Settings 
    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))
    # Set authentication information 
    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):
    """
     Gets the status code returned by the server (200 Indicates success ,404 Web page does not exist )
    """
    return self.code
  def GetSource(self):
    """
     Get the web source code, need to decode after use 
    """
    if "source" in dir(self):
        return self.source
    return u''
  def GetHeaderInfo(self):
    """
    u' Get the response header information '
    """
    return self.head_dict
  def GetCookie(self):
    """
     Gets what the server returns Cookie , generally used for subsequent operations of login 
    """
    if 'set-cookie' in self.head_dict:
      return self.head_dict['set-cookie']
    else:
      return None
  def GetContentType(self):
    """
     Get the return type 
    """
    if 'content-type' in self.head_dict:
      return self.head_dict['content-type']
    else:
      return None
  def GetCharset(self):
    """
     Try to get the code for the page 
     If you don't get it back 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):
    """
     Get page expiration time 
    """
    if 'expires' in self.head_dict:
      return self.head_dict['expires']
    else:
      return None
  def GetServerName(self):
    """
     Get the server name 
    """
    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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