osc的rss不是全文输出的,不开心，所以就有了python抓取osc最新博客生成Rss

# -*- coding: utf-8 -*- from bs4 import BeautifulSoup import urllib2 import datetime import time import PyRSS2Gen from email.Utils import formatdate import re import sys import os reload(sys) sys.setdefaultencoding('utf-8') class RssSpider(): def __init__(self): self.myrss = PyRSS2Gen.RSS2(title='OSChina', link='http://my.oschina.net', description=str(datetime.date.today()), pubDate=datetime.datetime.now(), lastBuildDate = datetime.datetime.now(), items=[] ) self.xmlpath=r'/var/www/myrss/oschina.xml' self.baseurl="http://www.oschina.net/blog" #if os.path.isfile(self.xmlpath): #os.remove(self.xmlpath) def useragent(self,url): i_headers = {"User-Agent":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36", "Referer": 'http://baidu.com/'} req = urllib2.Request(url, headers=i_headers) html = urllib2.urlopen(req).read() return html def enterpage(self,url): pattern = re.compile(r'd{4}Sd{2}Sd{2}sd{2}Sd{2}') rsp=self.useragent(url) soup=BeautifulSoup(rsp) timespan=soup.find('div',{'class':'BlogStat'}) timespan=str(timespan).strip().replace('n','').decode('utf-8') match=re.search(r'd{4}Sd{2}Sd{2}sd{2}Sd{2}',timespan) timestr=str(datetime.date.today()) if match: timestr=match.group() #print timestr ititle=soup.title.string div=soup.find('div',{'class':'BlogContent'}) rss=PyRSS2Gen.RSSItem( title=ititle, link=url, description = str(div), pubDate = timestr ) return rss def getcontent(self): rsp=self.useragent(self.baseurl) soup=BeautifulSoup(rsp) ul=soup.find('div',{'id':'RecentBlogs'}) for li in ul.findAll('li'): div=li.find('div') if div is not None: alink=div.find('a') if alink is not None: link=alink.get('href') print link html=self.enterpage(link) self.myrss.items.append(html) def SaveRssFile(self,filename): finallxml=self.myrss.to_xml(encoding='utf-8') file=open(self.xmlpath,'w') file.writelines(finallxml) file.close() if __name__=='__main__': rssSpider=RssSpider() rssSpider.getcontent() rssSpider.SaveRssFile('oschina.xml')

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