Create at least one blog every month to maintain vitality.

This month is really nothing to write, post pointCodeNumber.
Pyhon downloads the background image of Bing. cn homepage and sets it to desktop. (I put it in "start" and change the background every day when I start it)

 

Python3.0
# ! /Usr/bin/ENV Python
# Coding = UTF-8
# Author: haozes
# Download the background image on the Bing. cn homepage and set it to a desktop background image.
Import Urllib. Request
Import Re
Import OS. Path

FromWin32com. ShellImportShell
ImportPythoncom
ImportSys
ImportTime

Def Getfilename (URL ):
If URL = None: Return None
If URL = "" : Return   ""
Arr = URL. Split ( " / " )
Return Arr [Len (ARR) - 1 ]

Def Setdskimgfrombing ():
URL = " Http://cn.bing.com "
Savepath = R " C: \ Bing \ img "
Response = Urllib. Request. urlopen (URL)
Html = Response. Read (). Decode ( ' UTF-8 ' )
Reobj = Re. Compile (R " G_img =\{ URL: '(. + ?) ', ID: 'bgdiv' " , Re. dotall | Re. ignorecase)
Match = Reobj. Search (HTML)
If Match:
Result = Match. Group ( 1 )
Else :
Result =   ""
Bgpicurl = URL + Result. Replace ( ' \\ ' , '' );
Print (Bgpicurl)
Filename = Getfilename (bgpicurl );
Print ( " Down PIC: " + Filename)
Dstpath = Savepath + " \\ " + Filename
If OS. Path. exists (dstpath ):
Print ( " IMG file exist! " )
Return
If OS. Path. exists (savepath) = False:
OS. mkdir (savepath)
Urllib. Request. urlretrieve (bgpicurl, dstpath)
Time. Sleep ( 1 )
If Setwallpaper (dstpath ):
Print ( " Set desktop OK! " )
Else :
Print ( " Set desktop failed! " )
Pass

Def Setwallpaper (wallpaper, Style = 2 ):
Try :
IAD = Pythoncom. cocreateinstance (shell. clsid_activedesktop, none, pythoncom. clsctx_inproc_server, Shell. iid_iactivedesktop)
Opts = IAD. getasktopitemoptions ()
Reserved = 0
IAD. setwallpaper (wallpaper, reserved)
IAD. setwallpaperoptions (style, reserved)
IAD. applychanges ( 0 xFFFF )
Except :
Print ( " Unexpected error: " , SYS. exc_info () [0])
Return False
Else :
Return True


If   _ Name __   =   " _ Main __ " :
Setdskimgfrombing ()