Python crawler crawls all movies of Tencent Video (code)

# -*- coding: utf-8 -*- import re import urllib2 from bs4 import BeautifulSoup import string, time import pymongo NUM = 0 #全局变量,电影数量 m_type = u'' #全局变量,电影类型 m_site = u'qq' #全局变量,电影网站 #根据指定的URL获取网页内容 def gethtml(url): req = urllib2.Request(url) response = urllib2.urlopen(req) html = response.read() return html #从电影分类列表页面获取电影分类 def gettags(html): global m_type soup = BeautifulSoup(html) #过滤出分类内容 #print soup #
 tags_all = soup.find_all('ul', {'class' : 'clearfix _group' , 'gname' : 'mi_type'}) #print len(tags_all), tags_all #print str(tags_all[1]).replace('\n', '') #动作 re_tags = r'.+?' p = re.compile(re_tags, re.DOTALL) tags = p.findall(str(tags_all[0])) if tags: tags_url = {} #print tags for tag in tags: tag_url = tag[0].decode('utf-8') #print tag_url m_type = tag[1].decode('utf-8') tags_url[m_type] = tag_url else: print "Not Find" return tags_url #获取每个分类的页数 def get_pages(tag_url): tag_html = gethtml(tag_url) #p class="paginator soup = BeautifulSoup(tag_html) #过滤出标记页面的html #print soup #
 p_page = soup.find_all('p', {'class' : 'mod_pagenav', 'id' : 'pager'}) #print p_page #len(p_page), p_page[0] #25 re_pages = r'(.+?)' p = re.compile(re_pages, re.DOTALL) pages = p.findall(str(p_page[0])) #print pages if len(pages) > 1: return pages[-2] else: return 1 def getmovielist(html): soup = BeautifulSoup(html) #
 ps = soup.find_all('ul', {'class' : 'mod_list_pic_130'}) #print ps for p_html in ps: p_html = str(p_html).replace('\n', '') #print p_html getmovie(p_html) def getmovie(html): global NUM global m_type global m_site re_movie = r'
' p = re.compile(re_movie, re.DOTALL) movies = p.findall(html) if movies: conn = pymongo.Connection('localhost', 27017) movie_db = conn.dianying playlinks = movie_db.playlinks #print movies for movie in movies: #print movie NUM += 1 print "%s : %d" % ("=" * 70, NUM) values = dict( movie_title = movie[1], movie_url = movie[0], movie_site = m_site, movie_type = m_type ) print values playlinks.insert(values) print "_" * 70 NUM += 1 print "%s : %d" % ("=" * 70, NUM) #else: # print "Not Find" def getmovieinfo(url): html = gethtml(url) soup = BeautifulSoup(html) #pack pack_album album_cover ps = soup.find_all('p', {'class' : 'pack pack_album album_cover'}) #print ps[0] #  re_info = r' ' p_info = re.compile(re_info, re.DOTALL) m_info = p_info.findall(str(ps[0])) if m_info: return m_info else: print "Not find movie info" return m_info def insertdb(movieinfo): global conn movie_db = conn.dianying_at movies = movie_db.movies movies.insert(movieinfo) if __name__ == "__main__": global conn tags_url = "http://v.qq.com/list/1_-1_-1_-1_1_0_0_20_0_-1_0.html" #print tags_url tags_html = gethtml(tags_url) #print tags_html tag_urls = gettags(tags_html) #print tag_urls for url in tag_urls.items(): print str(url[1]).encode('utf-8') #,url[0] maxpage = int(get_pages(str(url[1]).encode('utf-8'))) print maxpage for x in range(0, maxpage): #http://v.qq.com/list/1_0_-1_-1_1_0_0_20_0_-1_0.html m_url = str(url[1]).replace('0_20_0_-1_0.html', '') movie_url = "%s%d_20_0_-1_0.html" % (m_url, x) print movie_url movie_html = gethtml(movie_url.encode('utf-8')) #print movie_html getmovielist(movie_html) time.sleep(0.1)