python设置windows桌面壁纸的实现代码
# -*- 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('<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 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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