原来何勃亮发过一个gnome下自动更新每日天图（APOD）作为桌面的脚本，挺有意思的，我这里发一个Python的，可以看作是免费软件Pic-a-POD和Picture of the Day的替代品，在2.6下测试通过，需要安装PIL库，可以自行选择天文每日一图(APOD)、地理每日一图(EPOD)、或者美国国家地理每日一图(NGPOD)，点此下载。
这是由seasons的版本修改而来，他那里漏了一个setWallpaperFromBMP函数，还好在他的 javaEye 日志中找到了，有人是用win32gui实现，不过我测试没有成功。
源码如下，方便引擎收录:)
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""" Set the wallpaper with APOD、EPOD or NGPOD by henrysting 2009-01-31 """ import ctypes import calendar import urllib import socket import os import time import Image STOREDIR = os.path.expanduser("~") + '/wallpaper/pod/' DOWNLOADED = 0 TYPE = 3 """ 1:Astronomy POD, 2:Earth Science POD, 3:National Geographic POD""" def setWallPaper(imagePath): if os.name=="nt": """Given a path to an image, convert it to bmp and set it as wallpaper""" bmpImage = Image.open(imagePath) newPath = STOREDIR + 'mywallpaper.bmp' bmpImage.save(newPath, "BMP") setWallpaperFromBMP(newPath) elif os.name=="posix": try: os.system("gconftool-2 -t string -s /desktop/gnome/background/picture_filename \""+imagePath+"\" -s /desktop/gnome/background/picture_options stretched") except: os.system("dcop kdesktop KBackgroundIface setWallpaper \""+imagePath+"\" 7") def getPicture(): if TYPE == 1: siteurl = 'http://apod.nasa.gov/apod/' sock = urllib.urlopen(siteurl) htmlSource = sock.read() sock.close() pos1 = htmlSource.find('href="image/') pos2 = htmlSource.find('jpg">') page2 = htmlSource[pos1+6:pos2+3] filename = htmlSource[pos1+17:pos2+3] fileurl = siteurl+page2 elif TYPE == 2: siteurl = 'http://epod.usra.edu/' sock = urllib.urlopen(siteurl) htmlSource = sock.read() sock.close() pos1 = htmlSource.find('<a HREF= "archive/images/') pos2 = htmlSource.find('.jpg" TARGET="_window">') page2 = htmlSource[pos1+10:pos2+4] filename = htmlSource[pos1+25:pos2+4] fileurl = siteurl+page2 elif TYPE == 3: siteurl = 'http://photography.nationalgeographic.com' sock = urllib.urlopen("http://lava.nationalgeographic.com/cgi-bin/pod/PhotoOfTheDay.cgi") htmlSource = sock.read() sock.close() pos1 = htmlSource.find('Enlarge</a>') pos2 = htmlSource.find('Wallpaper') page2 = htmlSource[pos1+50:pos2-2] pageurl = siteurl+page2 sock = urllib.urlopen(pageurl) htmlSource = sock.read() sock.close() pos1 = htmlSource.find('art-icon-wallpaper-1280.gif') pos2 = htmlSource.find('1280 x 1024 pixels') page2 = htmlSource[pos1+42:pos2-2] fileurl = siteurl+page2 filename = page2[page2.rfind("/")+1:]; else: print 'Wrong Type!' try: print filename print fileurl fname = STOREDIR + filename if not os.path.exists(fname): print 'file not retrieved' urllib.urlretrieve(fileurl, fname) print 'got the picture from ' + fileurl else: print 'The file is retrieved' return fname except Error: print "fail to getting picture of ",yy,mm,dd pass return fname def setWallpaperFromBMP(imagepath): SPI_SETDESKWALLPAPER = 20 # According to http://support.microsoft.com/default.aspx?scid=97142 ctypes.windll.user32.SystemParametersInfoA(SPI_SETDESKWALLPAPER, 0, imagepath , 0) #SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE #win32gui.SystemParametersInfo(SPI_SETDESKWALLPAPER,imagepath , 0) def setWallpaperOfToday(): filename = getPicture() print 'the filename is ' + filename setWallPaper(filename) def prepare(): #prepare the directory if not os.path.exists(STOREDIR): print 'going to make dir ' + STOREDIR os.makedirs(STOREDIR) print 'prepare done ...' prepare() setWallpaperOfToday() print 'Wallpaper set ok!' |
