自动下载并保存博客 Python脚本

谢了一个自动下载指定人的博客的脚本

这个脚本是用来下载csdn博客的

同样的方法可以下载一般其他网站的博客，如sina

 

有时页面访问会被拒绝，重新运行即可

这种程序是在分析了指定网站，我在这儿是csdn，之后编写出的

会牵涉到网页的编码问题，有时程序运行会因此终止

我自己的博客已经下载忘了

只是下载网页

使用网页分析后可以整理出文章，那样更实用

# #blogdownloader_csdn.py # @Author:onezeros@yahoo.cn ||Zhijie Lee # I didnot realize the image_download function # but it's not very difficult,so that you can do it by yourself #cmd usage:blogdownloader_csdn.py blogname "full directory path" #further extension :classify the articles to # "原创""转载" etc.according to csdn import os import sys import unicodedata import urllib.request #globle var username=sys.argv[1] #username='onezeros' #total number of pages total_num=0 dst_urls=[] #use data as the file name dst_title=[] ########################################### #function to find urls of articals #it's neccessory to verify whether the url exits def url_finder(url_directory,firstpage=False): global username,total_num,dst_urls,dst_title url_f=urllib.request.urlopen(url_directory) print("open url "+url_directory+" successfully/n") url_front='/'+username+'/archive/' for line in url_f.readlines(): lin=line.decode('utf-8') pos_front=lin.find(url_front) if(pos_front!=-1 ): pos_post=len('2009/12/13/4998191.aspx')+len(url_front)+pos_front if(lin[pos_post]=='#'): dst_urls.append('http://blog.youkuaiyun.com'+lin[pos_front:pos_post]) s=lin[pos_front+len(url_front):pos_post-len('.aspx')] s=s.replace('/','-') print(s) dst_title.append(s) if(firstpage==True): pos=lin.find('第1页') if(pos!=-1): pt=lin.find('页',pos+5) total_num=int(lin[pos+5:pt]) if(firstpage==True and total_num==0): print("something wrong when retriving imformation from first page") sys.exit(1) url_f.close() return ################################################ def main(): #creat directory global username,total_num,dst_urls,dst_title if (False==os.path.isdir(sys.argv[2])): print("the dirctory does not exit, do you want to creat it?/n") while(1): a=input('type y for yes or n for no/n') if(a=='y' or a=='Y'): os.makedirs(sys.argv[2]) print("successed to make dir "+sys.argv[2]) break elif(a=='n' or a=='N'): sys.exit(0) os.chdir(sys.argv[2]) #os.chdir('d:/test') #deal with first page url_finder('http://blog.youkuaiyun.com/'+username,True) #generate urls of every directory page print(total_num) for pagenum in range(2,total_num+1): #connot be excuted url='http://blog.youkuaiyun.com/'+username+'/default.aspx?PageNumber='+str(pagenum) print("openning "+url) url_finder(url,False) #abstract content of the article page #!!!in csdn's sourcefile ,only users' articals has lebel'<p>' #download the page only if(len(dst_urls)!=len(dst_title)): print('error happened') sys.exit(0) #create and store the files for i in range(len(dst_urls)): url_f=urllib.request.urlopen(dst_urls[i]) f=open(dst_title[i]+'.aspx','w') for lin in url_f.readlines(): lin=lin.decode() f.write(lin) f.close() print("Save "+dst_title[i]+'.aspx successfully') print("/nDone/n"); if __name__ == '__main__': main()