ubuntu自动切换壁纸

autoWallpaper.py

#!/usr/bin/python
# -*- coding:utf8 -*-

＃　修改/usr/share/gnome-background-properties/ubuntu-wallpapers.xml加入如下node:　
＃  <wallpaper deleted="false">
＃    <name>bing Community Wallpapers</name>
＃    <filename>/usr/share/backgrounds/BingWallpapers/bing.xml</filename>
＃    <options>zoom</options>
＃  </wallpaper>

import os
import sys
from xml.dom.minidom import Document

# 批量格式化文件名
def reName(path,pattern):
        files = os.listdir(path)
        dot_index = pattern.find('.')
        file_prefix = pattern[:dot_index]
        file_suffix = pattern[dot_index:]
        index =0
        for f, pathdirs in files:
                index+=1
                new_file_name = file_prefix+str(index)+file_suffix
                if f.find(file_suffix)>0:
                        os.rename(f,new_file_name)
                        print new_file_name

# 生成配置文件　输入所在文件夹路径，生成配置文件的文件名，图片后缀
def create_config_file(path,filename,file_suffix):
        doc = Document()
        root = creat_root(doc)
        mfiles = os.listdir(path)
        files=mfiles[:]
        for f in files:
                if f.find(file_suffix) == -1:
                        files.remove(f)
                        continue
        for f in files:
                root.appendChild(createStaticNode(doc,path+f))
                index = files.index(f)
                if index<(len(files)-1):
                        root.appendChild(create_transition_node(doc,path+f,path+files[index+1]))
        ########### 将DOM对象doc写入文件
        print root.toprettyxml()
        f = open(filename,'w')
        f.write(root.toprettyxml())
#    root.writexml(f,' ','\n','utf-8')
        f.close()
                        
        

def creat_root(doc):
        background = doc.createElement("background")
        starttime = doc.createElement("starttime")
        year = doc.createElement("year")
        month = doc.createElement("month")
        day =  doc.createElement("day")
        hour = doc.createElement("hour")
        minute = doc.createElement("minute")
        second = doc.createElement("second")
        
        year_text=doc.createTextNode("2014")
        month_text=doc.createTextNode("6")
        day_text=doc.createTextNode("1")
        hour_text=doc.createTextNode("0")
        minute_text=doc.createTextNode("0")
        second_text=doc.createTextNode("0")
        
        year.appendChild(year_text)
        month.appendChild(month_text)
        day.appendChild(day_text)
        hour.appendChild(hour_text)
        minute.appendChild(minute_text)
        second.appendChild(second_text)
        
        background.appendChild(starttime)
        starttime.appendChild(year)
        starttime.appendChild(month)
        starttime.appendChild(day)
        starttime.appendChild(hour)
        starttime.appendChild(minute)
        starttime.appendChild(second)
        return background

def createStaticNode(doc,picFilePath):
        static = doc.createElement("static")
        duration = doc.createElement("duration")
        picFile = doc.createElement("file")
        duration_text = doc.createTextNode("1795")
        picFile_text = doc.createTextNode(picFilePath)
        duration.appendChild(duration_text)
        picFile.appendChild(picFile_text)
        static.appendChild(duration)
        static.appendChild(picFile)
        return static

def create_transition_node(doc,from_file,to_file):
        transition = doc.createElement("transition")
        duration = doc.createElement("duration")
        pic_from = doc.createElement("from")
        pic_to = doc.createElement("to")
        duration_text = doc.createTextNode("10")
        pic_from_text = doc.createTextNode(from_file)
        pic_to_text = doc.createTextNode(to_file)
        duration.appendChild(duration_text)
        pic_from.appendChild(pic_from_text)
        pic_to.appendChild(pic_to_text)
        transition.appendChild(duration)
        transition.appendChild(pic_from)
        transition.appendChild(pic_to)
        return transition
        
        

#reName( ".","bing.jpg")
if __name__=='__main__':
        ABSPATH=os.path.abspath(sys.argv[0])
        ABSPATH=os.path.dirname(ABSPATH)+"/" 
        #默认所有图片在当前脚本路径
        print ABSPATH
        create_config_file(ABSPATH,'bing.xml','jpg')

　修改/usr/share/gnome-background-properties/ubuntu-wallpapers.xml加入如下node:　

bing Community Wallpapers
/usr/share/backgrounds/BingWallpapers/bing.xml
zoom