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
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# -*- 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' ,
description = str (datetime.date.today()),
pubDate = datetime.datetime.now(),
lastBuildDate = datetime.datetime.now(),
items = []
)
self .xmlpath = r '/var/www/myrss/oschina.xml'
#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 ",
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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以上所述就是本文的全部内容了,希望大家能够喜欢。