基于python实现的抓取腾讯视频所有电影的爬虫

# -*- 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)
#div class=”paginator
soup = BeautifulSoup(tag_html) #过滤出标记页面的html
#print soup
#


div_page = soup.find_all(‘div’, {‘class’ : ‘mod_pagenav’, ‘id’ : ‘pager’})
#print div_page #len(div_page), div_page[0]
#25
re_pages = r’(.+?)‘
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)
#

divs = soup.find_all(‘ul’, {‘class’ : ‘mod_list_pic_130’})
#print divs
for div_html in divs:
div_html = str(div_html).replace(‘n’, ”)
#print div_html
getmovie(div_html)

def getmovie(html):
global NUM
global m_type
global m_site

#

徒步旅行队

• 法国卖座喜剧片

徒步旅行队

地区: 法国 导演: 年代: 2009 类型: 喜剧

理查德·达奇拥有一家小的旅游公司，主要经营法国游客到非洲大草原的旅游服务。六个法国游客决定参加理查德·达奇组织的到非洲的一…

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
divs = soup.find_all(‘div’, {‘class’ : ‘pack pack_album album_cover’})
#print divs[0]

#
re_info = r’ ‘
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)