|
|
)")
- CharToNextTabRex = re.compile(" ")
-
- # 将一些html的符号实体转变为原始符号
- replaceTab = [("<","<"),(">",">"),("&","&"),("&","\""),(" "," ")]
-
- def Replace_Char(self,x):
- x = self.BgnCharToNoneRex.sub("",x)
- x = self.BgnPartRex.sub("\n ",x)
- x = self.CharToNewLineRex.sub("\n",x)
- x = self.CharToNextTabRex.sub("\t",x)
- x = self.EndCharToNoneRex.sub("",x)
-
- for t in self.replaceTab:
- x = x.replace(t[0],t[1])
- return x
-
-class Baidu_Spider:
- # 申明相关的属性
- def __init__(self,url):
- self.myUrl = url + '?see_lz=1'
- self.datas = []
- self.myTool = HTML_Tool()
- print u'已经启动百度贴吧爬虫,咔嚓咔嚓'
-
- # 初始化加载页面并将其转码储存
- def baidu_tieba(self):
- # 读取页面的原始信息并将其从gbk转码
- myPage = urllib2.urlopen(self.myUrl).read().decode("gbk")
- # 计算楼主发布内容一共有多少页
- endPage = self.page_counter(myPage)
- # 获取该帖的标题
- title = self.find_title(myPage)
- print u'文章名称:' + title
- # 获取最终的数据
- self.save_data(self.myUrl,title,endPage)
-
- #用来计算一共有多少页
- def page_counter(self,myPage):
- # 匹配 "共有
12页" 来获取一共有多少页
- myMatch = re.search(r'class="red">(\d+?)', myPage, re.S)
- if myMatch:
- endPage = int(myMatch.group(1))
- print u'爬虫报告:发现楼主共有%d页的原创内容' % endPage
- else:
- endPage = 0
- print u'爬虫报告:无法计算楼主发布内容有多少页!'
- return endPage
-
- # 用来寻找该帖的标题
- def find_title(self,myPage):
- # 匹配
xxxxxxxxxx
找出标题
- myMatch = re.search(r'
(.*?)', myPage, re.S)
- title = u'暂无标题'
- if myMatch:
- title = myMatch.group(1)
- else:
- print u'爬虫报告:无法加载文章标题!'
- # 文件名不能包含以下字符: \ / : * ? " |
- title = title.replace('\\','').replace('/','').replace(':','').replace('*','').replace('?','').replace('"','').replace('>','').replace('<','').replace('|','') - return title - - - # 用来存储楼主发布的内容 - def save_data(self,url,title,endPage): - # 加载页面数据到数组中 - self.get_data(url,endPage) - # 打开本地文件 - f = open(title+'.txt','w+') - f.writelines(self.datas) - f.close() - print u'爬虫报告:文件已下载到本地并打包成txt文件' - print u'请按任意键退出...' - raw_input(); - - # 获取页面源码并将其存储到数组中 - def get_data(self,url,endPage): - url = url + '&pn=' - for i in range(1,endPage+1): - print u'爬虫报告:爬虫%d号正在加载中...' % i - myPage = urllib2.urlopen(url + str(i)).read() - # 将myPage中的html代码处理并存储到datas里面 - self.deal_data(myPage.decode('gbk')) - - - # 将内容从页面代码中抠出来 - def deal_data(self,myPage): - myItems = re.findall('id="post_content.*?>(.*?)