Crawlings

# *-* coding: UTF-8 *-*
import urllib2
import re

class BDTB:
    baseUrl = ‘http://tieba.baidu.com/p/4896490947?see_lz=&pn=‘
    def getPage(self, pageNum):
        try:
            url = self.baseUrl+str(pageNum)
            request = urllib2.Request(url)
            response = urllib2.urlopen(request).read()
            return response
        except Exception, e:
            print e    
    def Title(self, pageNum):
        html = self.getPage(pageNum)
        reg = re.compile(r‘title="【原创】(.*?)"‘)
        items = re.findall(reg, html)
        for item in items:
            f = open(‘text.txt‘, ‘w‘)
            f.write(‘标题‘+‘\t‘+item)
            f.close()
        return items
    def Text(self, pageNum):
        html = self.getPage(pageNum)
        reg = re.compile(r‘d_post_content j_d_post_content ">            (.*?)</div><br>‘, re.S)
        req = re.findall(reg, html)
        if pageNum == 1:
            req = req[2:]
        for i in req:
            removeAddr = re.compile(‘<a.*?>|</a>‘)
            i = re.sub(removeAddr, "", i)
            removeAddr = re.compile(‘<img.*?>‘)
            i = re.sub(removeAddr, "", i)
            removeAddr = re.compile(‘http.*?.html‘)
            i = re.sub(removeAddr, "", i)
            i = i.replace(‘<br>‘, ‘‘)
            f = open(‘text.txt‘, ‘a‘)
            f.write(‘\n\n‘+i)
            f.close()

            
bdtb = BDTB()
print ‘Crawl is starting....‘
try:
    for i in range(1, 10):
        print ‘Crawling Page %s...‘ % (i)
        bdtb.Title(i)
        bdtb.Text(i)
except Exception, e:
    print e