python采集腾视频Vip电影，看电影我从来不充会员！

用python实现的抓取腾讯视频所有电影的爬虫

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# -*- 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
 #<ul class="clearfix _group" gname="mi_type" gtype="1">
 tags_all = soup.find_all('ul', {'class' : 'clearfix _group' , 'gname' : 'mi_type'})
 #print len(tags_all), tags_all
 #print str(tags_all[1]).replace('
', '')
 
 #<a _hot="tag.sub" class="_gtag _hotkey" href="http://v.qq.com/list/1_0_-1_-1_1_0_0_20_0_-1_0.html" title="动作" tvalue="0">动作</a>
 re_tags = r'<a _hot="tag.sub" class="_gtag _hotkey" href="(.+?)" title="(.+?)" tvalue="(.+?)">.+?</a>'
 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)
 #div class="paginator
 soup = BeautifulSoup(tag_html) #过滤出标记页面的html
 #print soup
 #<div class="mod_pagenav" id="pager">
 div_page = soup.find_all('div', {'class' : 'mod_pagenav', 'id' : 'pager'})
 #print div_page #len(div_page), div_page[0]
 
 #<a class="c_txt6" href="http://v.qq.com/list/1_2_-1_-1_1_0_24_20_0_-1_0.html" title="25"><span>25</span></a>
 re_pages = r'<a class=.+?><span>(.+?)</span></a>'
 p = re.compile(re_pages, re.DOTALL)
 pages = p.findall(str(div_page[0]))
 #print pages
 if len(pages) > 1:
 return pages[-2]
 else:
 return 1
 
 
def getmovielist(html):
 soup = BeautifulSoup(html)
 
 #<ul class="mod_list_pic_130">
 divs = soup.find_all('ul', {'class' : 'mod_list_pic_130'})
 #print divs
 for div_html in divs:
 div_html = str(div_html).replace('
', '')
 #print div_html
 getmovie(div_html)

def getmovie(html):
 global NUM
 global m_type
 global m_site
 
 re_movie = r'<li><a class="mod_poster_130" href="(.+?)" target="_blank" title="(.+?)"><img.+?</li>'
 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
 divs = soup.find_all('div', {'class' : 'pack pack_album album_cover'})
 #print divs[0]
 
 #<a href="http://www.tudou.com/albumplay/9NyofXc_lHI/32JqhiKJykI.html" target="new" title="《血滴子》独家纪录片" wl="1"> </a>
 re_info = r'<a href="(.+?)" target="new" title="(.+?)" wl=".+?"> </a>'
 p_info = re.compile(re_info, re.DOTALL)
 m_info = p_info.findall(str(divs[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)

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